IntroducingMicrosoft

SyncFramework

Alexander KovalSoftware Architect,

MCPD

Agenda

1. What is MS Sync?2. Sync Participant Types3. MS Sync Architecture4. Sync Providers5. Demo6. Conflict Resolution7. Demo8. What next?9. Q & A

What is MS Sync?

1. Synchronization platform

2. Cross protocol

3. Cross data store• DB• File systems• Data feeds

Participant Types

1. Full Participants2. Partial Participants3. Simple Participants

Architecture

Sync Application

Sync Orchestrator

Source Provider

Destination Provider

DB DB

Metadata

Metadata

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introductionwindows azure platformData Providers

• Standard Providers– DB Synchronization Providers– File Synchronization Providers– Web Feed Synchronization Providers

• Custom Providers

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introductionwindows azure platformSyncOrchestrator

Sample code for using SyncOrchestrator:

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DEMO 1(Synchronizing Files to Azure Blobs)

Metadata

Allows to track State and Change

• Versions – Creation, Update

• Each Version – Tick Count, Replica ID

• Knowledge– Enumerates changes, Detects conflicts

• Tombstones

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introductionwindows azure platformSynchronization Algorithm

1. Session gets destination Replica2. Session sends destination Replica to Source Provider3. Source provider determines Change Set4. Source provider sends Change Set to Session5. Session applies Change Set to Destination

Session

Source

Provider

Destination

Provider

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introductionwindows azure platformConflict Resolution

• Enum ConflictResolutionPolicy{ ApplicationDefined | DestinationWins | SourceWins }

• Register EventHandler

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DEMO 2(Synchronization via Custom Data Provider)

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introductionwindows azure platformWhat next?

• Tools built on MS Sync Framework– Microsoft ActiveSync– SQL Azure Data Sync– “Denali” project

Summary

1. Introduced MS Sync Framework

2. Reviewed the usage of MS Sync

3. Reviewed Sync Components4. Conflict Resolution5. Tools built on MS Sync

Framework

Storage in Windows Azure Platform

Q & A

Resources

• Getting startedhttp://msdn.microsoft.com/ru-ru/library/bb902854.aspx

• MS Sync Framework 2.0 Redistributable Package http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=18241

• Code Gallery http://code.msdn.microsoft.com/site/search?f%5B0%5D.Type=SearchText&f%5B0%5D.Value=Microsoft%20Sync%20Framework&f%5B1%5D.Type=Affiliation&f%5B1%5D.Value=Official&f%5B1%5D.Text=Microsoft

• Excellent Intro http://msdn.microsoft.com/en-us/sync/bb821992

• MS Sync with SQL Azurehttp://www.microsoft.com/windowsazure/features/database/#data-sync

• Blog of Liam Cavanaghhttp://blogs.msdn.com/b/sync/archive/2010/06/07/introducing-data-sync-service-for-sql-azure.aspx

Email: akoval@codemastersintl.comBlog: http://www.codemastersintl.com/Blogs/Alexander-Koval