merge of bug2737.

8 files changed, 220 insertions, 49 deletions

diff --git a/cpp/src/IceStorm/.depend b/cpp/src/IceStorm/.depend
index 7669f4cd85b..767b69868f0 100644
--- a/cpp/src/IceStorm/.depend
+++ b/cpp/src/IceStorm/.depend
@@ -22,21 +22,28 @@ Parser$(OBJEXT): Parser.cpp $(includedir)/IceUtil/DisableWarnings.h $(includedir
 Election$(OBJEXT): Election.cpp ../IceStorm/Election.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/Ice/BuiltinSequences.h ../IceStorm/SubscriberRecord.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/SliceChecksums.h $(includedir)/IceUtil/Iterator.h $(includedir)/IceUtil/ScopedArray.h $(includedir)/IceUtil/DisableWarnings.h
 SubscriberRecord$(OBJEXT): SubscriberRecord.cpp ../IceStorm/SubscriberRecord.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/BuiltinSequences.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/SliceChecksums.h $(includedir)/IceUtil/Iterator.h $(includedir)/IceUtil/ScopedArray.h $(includedir)/IceUtil/DisableWarnings.h
 IceStormInternal$(OBJEXT): IceStormInternal.cpp ../IceStorm/IceStormInternal.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h ../IceStorm/Election.h $(includedir)/Ice/BuiltinSequences.h ../IceStorm/SubscriberRecord.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/SliceChecksums.h $(includedir)/IceUtil/Iterator.h $(includedir)/IceUtil/ScopedArray.h $(includedir)/IceUtil/DisableWarnings.h
-Migrate$(OBJEXT): Migrate.cpp $(includedir)/IceUtil/DisableWarnings.h ../IceStorm/PersistentTopicMap.h $(includedir)/Freeze/Map.h $(includedir)/Ice/Ice.h $(includedir)/Ice/Initialize.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/PropertiesF.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/LoggerF.h $(includedir)/Ice/StatsF.h $(includedir)/Ice/StringConverter.h $(includedir)/Ice/BuiltinSequences.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/Properties.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/Logger.h $(includedir)/Ice/LoggerUtil.h $(includedir)/Ice/Stats.h $(includedir)/Ice/Communicator.h $(includedir)/Ice/RouterF.h $(includedir)/Ice/LocatorF.h $(includedir)/Ice/PluginF.h $(includedir)/Ice/ImplicitContextF.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/ObjectAdapter.h $(includedir)/Ice/FacetMap.h $(includedir)/Ice/ServantLocator.h $(includedir)/Ice/IncomingAsync.h $(includedir)/Ice/Process.h $(includedir)/Ice/Application.h $(includedir)/Ice/Connection.h $(includedir)/Ice/Functional.h $(includedir)/IceUtil/Functional.h $(includedir)/Ice/Stream.h $(includedir)/Ice/ImplicitContext.h $(includedir)/Ice/Locator.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/Ice/ProcessF.h $(includedir)/Ice/Router.h $(includedir)/Ice/DispatchInterceptor.h $(includedir)/Ice/Plugin.h $(includedir)/Ice/IconvStringConverter.h $(includedir)/Freeze/DB.h $(includedir)/Freeze/Exception.h $(includedir)/Freeze/Connection.h $(includedir)/Freeze/Transaction.h ../IceStorm/LinkRecord.h ../IceStorm/IceStormInternal.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h ../IceStorm/Election.h ../IceStorm/SubscriberRecord.h ../IceStorm/SubscriberMap.h ../IceStorm/LLUMap.h $(includedir)/Freeze/Freeze.h $(includedir)/Freeze/Initialize.h $(includedir)/Freeze/EvictorF.h $(includedir)/Freeze/ConnectionF.h $(includedir)/Freeze/Index.h $(includedir)/Freeze/BackgroundSaveEvictor.h $(includedir)/Freeze/Evictor.h $(includedir)/Freeze/TransactionalEvictor.h $(includedir)/Freeze/TransactionHolder.h
+Migrate$(OBJEXT): Migrate.cpp $(includedir)/IceUtil/DisableWarnings.h $(includedir)/Freeze/Freeze.h $(includedir)/Freeze/Initialize.h $(includedir)/Ice/Ice.h $(includedir)/Ice/Initialize.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/PropertiesF.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/LoggerF.h $(includedir)/Ice/StatsF.h $(includedir)/Ice/StringConverter.h $(includedir)/Ice/BuiltinSequences.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/Properties.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/Logger.h $(includedir)/Ice/LoggerUtil.h $(includedir)/Ice/Stats.h $(includedir)/Ice/Communicator.h $(includedir)/Ice/RouterF.h $(includedir)/Ice/LocatorF.h $(includedir)/Ice/PluginF.h $(includedir)/Ice/ImplicitContextF.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/ObjectAdapter.h $(includedir)/Ice/FacetMap.h $(includedir)/Ice/ServantLocator.h $(includedir)/Ice/IncomingAsync.h $(includedir)/Ice/Process.h $(includedir)/Ice/Application.h $(includedir)/Ice/Connection.h $(includedir)/Ice/Functional.h $(includedir)/IceUtil/Functional.h $(includedir)/Ice/Stream.h $(includedir)/Ice/ImplicitContext.h $(includedir)/Ice/Locator.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/Ice/ProcessF.h $(includedir)/Ice/Router.h $(includedir)/Ice/DispatchInterceptor.h $(includedir)/Ice/Plugin.h $(includedir)/Ice/IconvStringConverter.h $(includedir)/Freeze/EvictorF.h $(includedir)/Freeze/ConnectionF.h $(includedir)/Freeze/Index.h $(includedir)/Freeze/DB.h $(includedir)/Freeze/Transaction.h $(includedir)/Freeze/BackgroundSaveEvictor.h $(includedir)/Freeze/Evictor.h $(includedir)/Freeze/Exception.h $(includedir)/Freeze/TransactionalEvictor.h $(includedir)/Freeze/Map.h $(includedir)/Freeze/Connection.h $(includedir)/Freeze/TransactionHolder.h $(includedir)/Freeze/Catalog.h $(includedir)/Freeze/CatalogData.h ../IceStorm/SubscriberMap.h ../IceStorm/SubscriberRecord.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h ../IceStorm/IceStormInternal.h ../IceStorm/Election.h ../IceStorm/LLUMap.h ../IceStorm/V32FormatDB.h ../IceStorm/V32Format.h ../IceStorm/LinkRecord.h ../IceStorm/V31FormatDB.h ../IceStorm/V31Format.h
 SubscriberRecord$(OBJEXT): SubscriberRecord.cpp ../IceStorm/SubscriberRecord.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/BuiltinSequences.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/SliceChecksums.h $(includedir)/IceUtil/Iterator.h $(includedir)/IceUtil/ScopedArray.h $(includedir)/IceUtil/DisableWarnings.h
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+V32FormatDB$(OBJEXT): V32FormatDB.cpp $(includedir)/Ice/BasicStream.h $(includedir)/Ice/InstanceF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/LocalObjectF.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h ../IceStorm/V32FormatDB.h $(includedir)/Freeze/Map.h $(includedir)/Ice/Ice.h $(includedir)/Ice/Initialize.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/PropertiesF.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/LoggerF.h $(includedir)/Ice/StatsF.h $(includedir)/Ice/BuiltinSequences.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/Properties.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/Logger.h $(includedir)/Ice/LoggerUtil.h $(includedir)/Ice/Stats.h $(includedir)/Ice/Communicator.h $(includedir)/Ice/RouterF.h $(includedir)/Ice/LocatorF.h $(includedir)/Ice/PluginF.h $(includedir)/Ice/ImplicitContextF.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/ObjectAdapter.h $(includedir)/Ice/FacetMap.h $(includedir)/Ice/ServantLocator.h $(includedir)/Ice/IncomingAsync.h $(includedir)/Ice/Process.h $(includedir)/Ice/Application.h $(includedir)/Ice/Connection.h $(includedir)/Ice/Functional.h $(includedir)/IceUtil/Functional.h $(includedir)/Ice/Stream.h $(includedir)/Ice/ImplicitContext.h $(includedir)/Ice/Locator.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/Ice/ProcessF.h $(includedir)/Ice/Router.h $(includedir)/Ice/DispatchInterceptor.h $(includedir)/Ice/Plugin.h $(includedir)/Ice/IconvStringConverter.h $(includedir)/Freeze/DB.h $(includedir)/Freeze/Exception.h $(includedir)/Freeze/Connection.h $(includedir)/Freeze/Transaction.h ../IceStorm/V32Format.h ../IceStorm/LinkRecord.h ../IceStorm/IceStormInternal.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h ../IceStorm/Election.h ../IceStorm/SubscriberRecord.h
+V31FormatDB$(OBJEXT): V31FormatDB.cpp $(includedir)/Ice/BasicStream.h $(includedir)/Ice/InstanceF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/LocalObjectF.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h ../IceStorm/V31FormatDB.h $(includedir)/Freeze/Map.h $(includedir)/Ice/Ice.h $(includedir)/Ice/Initialize.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/PropertiesF.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/LoggerF.h $(includedir)/Ice/StatsF.h $(includedir)/Ice/BuiltinSequences.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/Properties.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/Logger.h $(includedir)/Ice/LoggerUtil.h $(includedir)/Ice/Stats.h $(includedir)/Ice/Communicator.h $(includedir)/Ice/RouterF.h $(includedir)/Ice/LocatorF.h $(includedir)/Ice/PluginF.h $(includedir)/Ice/ImplicitContextF.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/ObjectAdapter.h $(includedir)/Ice/FacetMap.h $(includedir)/Ice/ServantLocator.h $(includedir)/Ice/IncomingAsync.h $(includedir)/Ice/Process.h $(includedir)/Ice/Application.h $(includedir)/Ice/Connection.h $(includedir)/Ice/Functional.h $(includedir)/IceUtil/Functional.h $(includedir)/Ice/Stream.h $(includedir)/Ice/ImplicitContext.h $(includedir)/Ice/Locator.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h $(includedir)/Ice/ProcessF.h $(includedir)/Ice/Router.h $(includedir)/Ice/DispatchInterceptor.h $(includedir)/Ice/Plugin.h $(includedir)/Ice/IconvStringConverter.h $(includedir)/Freeze/DB.h $(includedir)/Freeze/Exception.h $(includedir)/Freeze/Connection.h $(includedir)/Freeze/Transaction.h ../IceStorm/V31Format.h ../IceStorm/LinkRecord.h ../IceStorm/IceStormInternal.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h ../IceStorm/Election.h ../IceStorm/SubscriberRecord.h
+V32Format$(OBJEXT): V32Format.cpp ../IceStorm/V32Format.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h ../IceStorm/LinkRecord.h ../IceStorm/IceStormInternal.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h ../IceStorm/Election.h $(includedir)/Ice/BuiltinSequences.h ../IceStorm/SubscriberRecord.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/SliceChecksums.h $(includedir)/IceUtil/Iterator.h $(includedir)/IceUtil/ScopedArray.h $(includedir)/IceUtil/DisableWarnings.h
+V31Format$(OBJEXT): V31Format.cpp ../IceStorm/V31Format.h $(includedir)/Ice/LocalObjectF.h $(includedir)/IceUtil/Shared.h $(includedir)/IceUtil/Config.h $(includedir)/IceUtil/Mutex.h $(includedir)/IceUtil/Lock.h $(includedir)/IceUtil/ThreadException.h $(includedir)/IceUtil/Exception.h $(includedir)/IceUtil/Time.h $(includedir)/Ice/Handle.h $(includedir)/IceUtil/Handle.h $(includedir)/Ice/Config.h $(includedir)/Ice/ProxyHandle.h $(includedir)/Ice/ProxyF.h $(includedir)/Ice/ObjectF.h $(includedir)/Ice/GCCountMap.h $(includedir)/Ice/GCShared.h $(includedir)/Ice/Exception.h $(includedir)/Ice/LocalObject.h $(includedir)/Ice/Proxy.h $(includedir)/Ice/ProxyFactoryF.h $(includedir)/Ice/ConnectionIF.h $(includedir)/Ice/RequestHandlerF.h $(includedir)/Ice/EndpointIF.h $(includedir)/Ice/Endpoint.h $(includedir)/Ice/UndefSysMacros.h $(includedir)/Ice/ObjectAdapterF.h $(includedir)/Ice/ReferenceF.h $(includedir)/Ice/OutgoingAsyncF.h $(includedir)/Ice/Current.h $(includedir)/Ice/ConnectionF.h $(includedir)/Ice/Identity.h $(includedir)/Ice/StreamF.h $(includedir)/Ice/CommunicatorF.h $(includedir)/Ice/Object.h $(includedir)/Ice/IncomingAsyncF.h $(includedir)/Ice/Outgoing.h $(includedir)/IceUtil/Monitor.h $(includedir)/IceUtil/Cond.h $(includedir)/Ice/InstanceF.h $(includedir)/Ice/BasicStream.h $(includedir)/Ice/ObjectFactoryF.h $(includedir)/Ice/Buffer.h $(includedir)/Ice/Protocol.h $(includedir)/Ice/StringConverter.h $(includedir)/IceUtil/Unicode.h $(includedir)/Ice/OutgoingAsync.h $(includedir)/IceUtil/Timer.h $(includedir)/IceUtil/Thread.h $(includedir)/Ice/Incoming.h $(includedir)/Ice/ServantLocatorF.h $(includedir)/Ice/ServantManagerF.h $(includedir)/Ice/Direct.h $(includedir)/Ice/UserExceptionFactory.h $(includedir)/Ice/FactoryTable.h $(includedir)/Ice/FactoryTableDef.h $(includedir)/IceUtil/StaticMutex.h $(includedir)/Ice/UserExceptionFactoryF.h ../IceStorm/LinkRecord.h ../IceStorm/IceStormInternal.h $(includedir)/IceStorm/IceStorm.h $(includedir)/Ice/SliceChecksumDict.h ../IceStorm/Election.h $(includedir)/Ice/BuiltinSequences.h ../IceStorm/SubscriberRecord.h $(includedir)/Ice/LocalException.h $(includedir)/Ice/ObjectFactory.h $(includedir)/Ice/SliceChecksums.h $(includedir)/IceUtil/Iterator.h $(includedir)/IceUtil/ScopedArray.h $(includedir)/IceUtil/DisableWarnings.h
 IceStorm.cpp: $(slicedir)/IceStorm/IceStorm.ice $(slicedir)/Ice/SliceChecksumDict.ice $(slicedir)/Ice/Identity.ice
 Election.cpp: ../IceStorm/Election.ice $(slicedir)/Ice/Identity.ice $(slicedir)/Ice/BuiltinSequences.ice ../IceStorm/SubscriberRecord.ice $(slicedir)/IceStorm/IceStorm.ice $(slicedir)/Ice/SliceChecksumDict.ice
 IceStormInternal.cpp: ../IceStorm/IceStormInternal.ice $(slicedir)/IceStorm/IceStorm.ice $(slicedir)/Ice/SliceChecksumDict.ice $(slicedir)/Ice/Identity.ice ../IceStorm/Election.ice $(slicedir)/Ice/BuiltinSequences.ice ../IceStorm/SubscriberRecord.ice $(slicedir)/Ice/Current.ice $(slicedir)/Ice/ObjectAdapterF.ice $(slicedir)/Ice/ConnectionF.ice
 SubscriberRecord.cpp: ../IceStorm/SubscriberRecord.ice $(slicedir)/Ice/Identity.ice $(slicedir)/IceStorm/IceStorm.ice $(slicedir)/Ice/SliceChecksumDict.ice
 LinkRecord.cpp: ../IceStorm/LinkRecord.ice $(slicedir)/Ice/Identity.ice ../IceStorm/IceStormInternal.ice $(slicedir)/IceStorm/IceStorm.ice $(slicedir)/Ice/SliceChecksumDict.ice ../IceStorm/Election.ice $(slicedir)/Ice/BuiltinSequences.ice ../IceStorm/SubscriberRecord.ice $(slicedir)/Ice/Current.ice $(slicedir)/Ice/ObjectAdapterF.ice $(slicedir)/Ice/ConnectionF.ice
+V32Format.cpp: ../IceStorm/V32Format.ice ../IceStorm/LinkRecord.ice $(slicedir)/Ice/Identity.ice ../IceStorm/IceStormInternal.ice $(slicedir)/IceStorm/IceStorm.ice $(slicedir)/Ice/SliceChecksumDict.ice ../IceStorm/Election.ice $(slicedir)/Ice/BuiltinSequences.ice ../IceStorm/SubscriberRecord.ice $(slicedir)/Ice/Current.ice $(slicedir)/Ice/ObjectAdapterF.ice $(slicedir)/Ice/ConnectionF.ice
+V31Format.cpp: ../IceStorm/V31Format.ice ../IceStorm/LinkRecord.ice $(slicedir)/Ice/Identity.ice ../IceStorm/IceStormInternal.ice $(slicedir)/IceStorm/IceStorm.ice $(slicedir)/Ice/SliceChecksumDict.ice ../IceStorm/Election.ice $(slicedir)/Ice/BuiltinSequences.ice ../IceStorm/SubscriberRecord.ice $(slicedir)/Ice/Current.ice $(slicedir)/Ice/ObjectAdapterF.ice $(slicedir)/Ice/ConnectionF.ice
 ../../../slice/IceStorm/IceStorm.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
 ../IceStorm/Election.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
 ../IceStorm/IceStormInternal.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
 ../IceStorm/SubscriberRecord.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
 ../IceStorm/LinkRecord.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
+../IceStorm/V32Format.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
+../IceStorm/V31Format.ice: $(SLICE2CPP) $(SLICEPARSERLIB)
diff --git a/cpp/src/IceStorm/.gitignore b/cpp/src/IceStorm/.gitignore
index 7a8683e70df..213293d82b6 100644
--- a/cpp/src/IceStorm/.gitignore
+++ b/cpp/src/IceStorm/.gitignore
@@ -20,3 +20,11 @@ LLUMap.cpp
 Grammar.cpp
 Grammar.h
 Scanner.cpp
+V31Format.cpp
+V31Format.h
+V32Format.cpp
+V32Format.h
+V31FormatDB.cpp
+V31FormatDB.h
+V32FormatDB.cpp
+V32FormatDB.h
diff --git a/cpp/src/IceStorm/LinkRecord.ice b/cpp/src/IceStorm/LinkRecord.ice
index 688091b36eb..7e7ac2db279 100644
--- a/cpp/src/IceStorm/LinkRecord.ice
+++ b/cpp/src/IceStorm/LinkRecord.ice
@@ -28,9 +28,6 @@ struct LinkRecord
     Topic* theTopic;  // The linked topic for getLinkInfoSeq
 };
 
-/** Dictionary of link name to link record. */
-sequence<LinkRecord> LinkRecordSeq;
-
 }; // End module IceStorm
 
 #endif
diff --git a/cpp/src/IceStorm/Makefile b/cpp/src/IceStorm/Makefile
index 0cf8fd95a58..e3b4cc83acc 100644
--- a/cpp/src/IceStorm/Makefile
+++ b/cpp/src/IceStorm/Makefile
@@ -56,9 +56,12 @@ MOBJS		= Migrate.o \
                   SubscriberMap.o \
                   LLUMap.o \
 		  LinkRecord.o \
-		  PersistentTopicMap.o \
 		  IceStormInternal.o \
-		  Election.o
+		  Election.o \
+		  V32FormatDB.o \
+		  V31FormatDB.o \
+		  V32Format.o \
+		  V31Format.o
 
 SRCS		= $(OBJS:.o=.cpp) \
 		  $(SERVICE_OBJS:.o=.cpp) \
@@ -69,7 +72,9 @@ SLICE_SRCS	= $(SDIR)/IceStorm.ice \
 		  ../IceStorm/Election.ice \
 		  ../IceStorm/IceStormInternal.ice \
 		  ../IceStorm/SubscriberRecord.ice \
-		  ../IceStorm/LinkRecord.ice
+		  ../IceStorm/LinkRecord.ice \
+		  ../IceStorm/V32Format.ice \
+		  ../IceStorm/V31Format.ice
 
 HDIR		= $(includedir)/IceStorm
 SDIR		= $(slicedir)/IceStorm
@@ -128,10 +133,15 @@ SubscriberMap.h SubscriberMap.cpp: ../IceStorm/SubscriberRecord.ice $(slicedir)/
 	SubscriberMap ../IceStorm/SubscriberRecord.ice
 
 # Needed for migration.
-PersistentTopicMap.h PersistentTopicMap.cpp: ../IceStorm/LinkRecord.ice $(slicedir)/Ice/Identity.ice $(SLICE2FREEZE)
-	rm -f PersistentTopicMap.h PersistentTopicMap.cpp
-	$(SLICE2FREEZECMD) --dict IceStorm::PersistentTopicMap,Ice::Identity,IceStorm::LinkRecordSeq \
-	PersistentTopicMap ../IceStorm/LinkRecord.ice
+V32FormatDB.h V32FormatDB.cpp: ../IceStorm/V32Format.ice $(SLICE2FREEZE)
+	rm -f V32FormatDB.h V32FormatDB.cpp
+	$(SLICE2FREEZECMD) --dict IceStorm::V32Format,Ice::Identity,IceStorm::LinkRecordSeq \
+	V32FormatDB ../IceStorm/V32Format.ice
+
+V31FormatDB.h V31FormatDB.cpp: ../IceStorm/V31Format.ice $(SLICE2FREEZE)
+	rm -f V31FormatDB.h V31FormatDB.cpp
+	$(SLICE2FREEZECMD) --dict IceStorm::V31Format,string,IceStorm::LinkRecordDict \
+	V31FormatDB ../IceStorm/V31Format.ice
 
 # Needed for make -jn to work.
 ../IceStorm/Grammar.y: Grammar.h
diff --git a/cpp/src/IceStorm/Makefile.mak b/cpp/src/IceStorm/Makefile.mak
index d75c84ad3d1..0eca8aa27da 100644
--- a/cpp/src/IceStorm/Makefile.mak
+++ b/cpp/src/IceStorm/Makefile.mak
@@ -56,12 +56,15 @@ AOBJS		= Admin.obj \
 
 MOBJS		= Migrate.obj \
 		  SubscriberRecord.obj \
-                  LLUMap.obj \
                   SubscriberMap.obj \
+                  LLUMap.obj \
 		  LinkRecord.obj \
-		  PersistentTopicMap.obj \
 		  IceStormInternal.obj \
-		  Election.obj
+		  Election.obj \
+                  V32FormatDB.obj \
+                  V31FormatDB.obj \
+                  V32Format.obj \
+                  V31Format.obj
 
 SRCS		= $(OBJS:.obj=.cpp) \
 		  $(SOBJS:.obj=.cpp) \
@@ -137,10 +140,21 @@ LLUMap.h LLUMap.cpp: $(SLICE2FREEZE) ..\IceStorm\Election.ice
 	SubscriberMap ..\IceStorm\SubscriberRecord.ice
 
 # Needed for migration.
-PersistentTopicMap.h PersistentTopicMap.cpp: ..\IceStorm\LinkRecord.ice $(slicedir)\Ice\Identity.ice $(SLICE2FREEZE)
-	del /q PersistentTopicMap.h PersistentTopicMap.cpp
-	$(SLICE2FREEZECMD) --dict IceStorm::PersistentTopicMap,Ice::Identity,IceStorm::LinkRecordSeq \
-	PersistentTopicMap ..\IceStorm\LinkRecord.ice
+V32FormatDB.h V32FormatDB.cpp: ..\IceStorm\V32Format.ice $(SLICE2FREEZE)
+	del /q V32FormatDB.h V32FormatDB.cpp
+	$(SLICE2FREEZECMD) --dict IceStorm::V32Format,Ice::Identity,IceStorm::LinkRecordSeq \
+	V32FormatDB ..\IceStorm\V32Format.ice
+
+V31FormatDB.h V31FormatDB.cpp: ..\IceStorm\V31Format.ice $(SLICE2FREEZE)
+	del /q V31FormatDB.h V31FormatDB.cpp
+	$(SLICE2FREEZECMD) --dict IceStorm::V31Format,string,IceStorm::LinkRecordDict \
+	V31FormatDB ..\IceStorm\V31Format.ice
+
+V32Migrate.cpp ..\IceStorm\V32Migrate.h: ..\IceStorm\V32Migrate.ice
+	$(SLICE2CPP) $(SLICE2CPPFLAGS) ..\IceStorm\V32Migrate.ice
+
+V31Migrate.cpp ..\IceStorm\V31Migrate.h: ..\IceStorm\V31Migrate.ice
+	$(SLICE2CPP) $(SLICE2CPPFLAGS) ..\IceStorm\V31Migrate.ice
 
 LinkRecord.cpp ..\IceStorm\LinkRecord.h: ..\IceStorm\LinkRecord.ice
 	$(SLICE2CPP) $(SLICE2CPPFLAGS) ..\IceStorm\LinkRecord.ice
@@ -174,11 +188,13 @@ Grammar.cpp Grammar.h: Grammar.y
 clean::
 	del /q LLUMap.h LLUMap.cpp
 	del /q SubscriberMap.h SubscriberMap.cpp
-	del /q PersistentTopicMap.h PersistentTopicMap.cpp
+	del /q V32FormatDB.cpp V31FormatDB.cpp V31FormatDB.h V31FormatDB.h
 
 clean::
 	del /q IceStorm.cpp $(HDIR)\IceStorm.h
 	del /q IceStormInternal.cpp IceStormInternal.h
+	del /q V32Migrate.cpp V32Migrate.h
+	del /q V31Migrate.cpp V31Migrate.h
 	del /q LinkRecord.cpp LinkRecord.h
 	del /q Election.cpp Election.h
 	del /q SubscriberRecord.cpp SubscriberRecord.h
diff --git a/cpp/src/IceStorm/Migrate.cpp b/cpp/src/IceStorm/Migrate.cpp
index f4f3132f6a8..4ffa27a82e5 100644
--- a/cpp/src/IceStorm/Migrate.cpp
+++ b/cpp/src/IceStorm/Migrate.cpp
@@ -8,11 +8,15 @@
 // **********************************************************************
 
 #include <IceUtil/DisableWarnings.h>
-#include <IceStorm/PersistentTopicMap.h>
+#include <Freeze/Freeze.h>
+#include <Freeze/Catalog.h> // XXX:
+
 #include <IceStorm/SubscriberMap.h>
 #include <IceStorm/IceStormInternal.h>
 #include <IceStorm/LLUMap.h>
-#include <Freeze/Freeze.h>
+
+#include <IceStorm/V32FormatDB.h>
+#include <IceStorm/V31FormatDB.h>
 
 using namespace std;
 using namespace Ice;
@@ -24,6 +28,11 @@ public:
 
     void usage();
     virtual int run(int, char*[]);
+
+private:
+
+    void v32migrate(const Freeze::ConnectionPtr&, SubscriberMap&);
+    void v31migrate(const Freeze::ConnectionPtr&, SubscriberMap&);
 };
 
 int
@@ -57,35 +66,14 @@ identityToTopicName(const Ice::Identity& id)
     return id.name.substr(6);
 }
 
-int
-Client::run(int argc, char* argv[])
+void
+Client::v32migrate(const Freeze::ConnectionPtr& oldCon, SubscriberMap& subscriberMap)
 {
-    if(argc != 3)
-    {
-        usage();
-        return EXIT_FAILURE;
-    }
-    string oldEnvName = argv[1];
-    string newEnvName = argv[2];
-
-    if(oldEnvName == newEnvName)
-    {
-        cerr << argv[0] << ": database environment names must be different" << endl;
-        return EXIT_FAILURE;
-    }
-
-    Freeze::ConnectionPtr oldCon = Freeze::createConnection(communicator(), oldEnvName);
-    Freeze::ConnectionPtr newCon = Freeze::createConnection(communicator(), newEnvName);
-
     // We should not create the old database.
-    PersistentTopicMap topicMap(oldCon, "topics", false);
-    // Creating the new database is fine.
-    SubscriberMap subscriberMap(newCon, "subscribers");
-    LLUMap lluMap(newCon, "llu");
-
+    V32Format topicMap(oldCon, "topics", false);
     Freeze::TransactionHolder oldTxn(oldCon);
-    Freeze::TransactionHolder newTxn(newCon);
-    for(PersistentTopicMap::const_iterator p = topicMap.begin(); p != topicMap.end(); ++p)
+
+    for(V32Format::const_iterator p = topicMap.begin(); p != topicMap.end(); ++p)
     {
         // First the placeholder record for the topic.
         SubscriberRecordKey key;
@@ -114,6 +102,106 @@ Client::run(int argc, char* argv[])
         }
     }
 
+    oldTxn.rollback();
+}
+
+void
+Client::v31migrate(const Freeze::ConnectionPtr& oldCon, SubscriberMap& subscriberMap)
+{
+
+    // We should not create the old database.
+    V31Format topicMap(oldCon, "topics", false);
+    Freeze::TransactionHolder oldTxn(oldCon);
+
+    for(V31Format::const_iterator p = topicMap.begin(); p != topicMap.end(); ++p)
+    {
+        // First the placeholder record for the topic.
+        SubscriberRecordKey key;
+        key.topic.name = p->first;
+        SubscriberRecord rec;
+        rec.link = false;
+        rec.cost = 0;
+        subscriberMap.put(SubscriberMap::value_type(key, rec));
+
+        string topicName = identityToTopicName(key.topic);
+        
+        // Next each link.
+        for(LinkRecordDict::const_iterator q = p->second.begin(); q != p->second.end(); ++q)
+        {
+            Ice::Identity id = q->second.theTopic->ice_getIdentity();
+            key.id = id;
+
+            rec.id = id;
+            rec.obj = q->second.obj;
+            rec.theTopic = q->second.theTopic;
+            rec.topicName = topicName;
+            rec.link = true;
+            rec.cost = q->second.cost;
+
+            subscriberMap.put(SubscriberMap::value_type(key, rec));
+        }
+    }
+
+    oldTxn.rollback();
+}
+
+int
+Client::run(int argc, char* argv[])
+{
+    if(argc != 3)
+    {
+        usage();
+        return EXIT_FAILURE;
+    }
+    
+    string oldEnvName = argv[1];
+    string newEnvName = argv[2];
+
+    if(oldEnvName == newEnvName)
+    {
+        cerr << argv[0] << ": The database environment names must be different" << endl;
+        return EXIT_FAILURE;
+    }
+
+    bool migrate31 = false;
+
+    Freeze::ConnectionPtr oldCon = Freeze::createConnection(communicator(), oldEnvName);
+    Freeze::Catalog catalog(oldCon, Freeze::catalogName());
+    if(catalog.size() != 1 || catalog.begin()->first != "topics")
+    {
+        cerr << argv[0] << ": The old database environment does not contain an IceStorm database." << endl;
+        return EXIT_FAILURE;
+    }
+    Freeze::CatalogData data = catalog.begin()->second;
+    if(!data.evictor && data.key == "string" && data.value == "::IceStorm::LinkRecordDict")
+    {
+        migrate31 = true;
+    }
+    else if(!data.evictor && data.key == "::Ice::Identity" && data.value == "::IceStorm::LinkRecordSeq")
+    {
+        migrate31 = false;
+    }
+    else
+    {
+        cerr << argv[0] << ": The old environment contains an unrecognized IceStorm database version." << endl;
+        return EXIT_FAILURE;
+    }
+
+    // Creating the new database is fine.
+    Freeze::ConnectionPtr newCon = Freeze::createConnection(communicator(), newEnvName);
+    SubscriberMap subscriberMap(newCon, "subscribers");
+    LLUMap lluMap(newCon, "llu");
+    Freeze::TransactionHolder newTxn(newCon);
+
+    if(migrate31)
+    {
+        v31migrate(oldCon, subscriberMap);
+    }
+    else
+    {
+        v32migrate(oldCon, subscriberMap);
+    }
+
     // We need to write a record in the LLU map so that if this
     // database is used for a migration this database will be picked
     // as the latest. We use generation 1 since the default is 0.
@@ -122,7 +210,6 @@ Client::run(int argc, char* argv[])
     llu.iteration = 0;
     lluMap.put(LLUMap::value_type("_manager", llu));
 
-    oldTxn.rollback();
     newTxn.commit();
 
     return 0;
diff --git a/cpp/src/IceStorm/V31Format.ice b/cpp/src/IceStorm/V31Format.ice
new file mode 100644
index 00000000000..9cd19aa5b35
--- /dev/null
+++ b/cpp/src/IceStorm/V31Format.ice
@@ -0,0 +1,23 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2008 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#ifndef V31_FORMAT_ICE
+#define V31_FORMAT_ICE
+
+#include <IceStorm/LinkRecord.ice>
+
+module IceStorm
+{
+
+/** Dictionary of link name to link record. */
+dictionary<string, LinkRecord> LinkRecordDict;
+
+}; // End module IceStorm
+
+#endif
diff --git a/cpp/src/IceStorm/V32Format.ice b/cpp/src/IceStorm/V32Format.ice
new file mode 100644
index 00000000000..a344eb12514
--- /dev/null
+++ b/cpp/src/IceStorm/V32Format.ice
@@ -0,0 +1,23 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2008 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#ifndef V32_FORMAT_ICE
+#define V32_FORMAT_ICE
+
+#include <IceStorm/LinkRecord.ice>
+
+module IceStorm
+{
+
+/** sequence of link records. */
+sequence<LinkRecord> LinkRecordSeq;
+
+}; // End module IceStorm
+
+#endif