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Message Queuing with BizTalk 2006 R2: MSMQ, IBM WebSphere MQ and Ordered Delivery

Message Queuing with BizTalk 2006 R2: MSMQ, IBM WebSphere MQ and Ordered Delivery. Thomas Abraham Enterprise Consultant TS: BizTalk 2004 & 2006 blogs.digineer.com/blogs/ tabraham. Randall McClure BizTalk Consultant TS: BizTalk 2006 blogs.digineer.com/blogs/ randallm.

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Message Queuing with BizTalk 2006 R2: MSMQ, IBM WebSphere MQ and Ordered Delivery

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  1. Message Queuing with BizTalk 2006 R2:MSMQ, IBM WebSphere MQand Ordered Delivery Thomas Abraham Enterprise Consultant TS: BizTalk 2004 & 2006 blogs.digineer.com/blogs/tabraham Randall McClure BizTalk Consultant TS: BizTalk 2006 blogs.digineer.com/blogs/randallm

  2. Why Message Queuing? Using MSMQ Using WebSphere MQ A Solution for Ordered Delivery based on MSMQ Agenda

  3. Why Message Queuing? • Guaranteed and/or ordered delivery • Cross-platform communication • Transactions • Asynchronous data transmission(a.k.a. fire and forget) • Buffering/batching • Loose coupling • Load balancing

  4. Queuing Considerations • Dead letter queue management • Poison message management • Consistency of message format per queue • Latency • Licensing and support costs

  5. Microsoft Message Queuing • Included with almost every OS edition • No extra licensing fees • Supports Network Load Balancing and Cluster Services • Can be bridged to WebSphere MQ with Host Integration Server 2006 • Publish queue locations in Active Directory and use Windows authentication

  6. MSMQ Considerations • Limited management tools • 4 MB message size limit • Shipping V4.0 with Windows Vista and Windows Server 2008 • Transactional remote receive • Subqueues • Poison message handling

  7. Demo DEMO Using MSMQ with the BTS 2006 R2 WCF Adapter

  8. WebSphere MQ • Formerly MQSeries • Available for dozens of platforms • Highly configurable, widely adopted • Includes extensible management tools hosted in Eclipse (Java-based) • Two BizTalk adapters: • Server-Based Adapter (w/ BizTalk) • Client-Based (w/ Adapters for Host Systems)

  9. Server-Based Adapter

  10. Client-Based Adapter

  11. WebSphere MQ Security • Interacts with Active Directory for authorization of queue access rights • Domain policy may disallow non-domain users from reading domain account group memberships • Path of least resistance and hassle: always set up a domain account for the MQ service

  12. Installing MQAgent • Requires COM+ and DTC running on WebSphere MQ for Windows server • Enable Network DTC and Network COM+ • Allow In- & Outbound for Transaction Mgr • Enable Mutual Authentication • Enable XA Transactions • Enable DCOM with Packet Privacy

  13. Demo DEMO Using WebSphere MQ for Windows 6.0

  14. Ordered Delivery Solutionwith MSMQ Queuing

  15. Agenda Patterns, Reloaded Business Problem Initial Solution Implementation Details Demo Better Solution More Details Demo Take-aways

  16. Uniform Sequential Convoy Multiple identical messages, over time First receive initializes a correlation set Second receive is in a Listen, inside a Loop, using the same logical receive port and operation Later messages that match and follow the correlation set are received in the loop Ordered Delivery = uniform seq. convoy ++ Enforce order in orchestration receive shape and physical ports (limited types, 2006 only) Patterns, Reloaded

  17. Uniform Sequential Convoy Activate, init correlation set First and followers in same receive shape Loop until Delay path fires before receiving following message Process first message Listen shape with Receive and process branch, and Delay branch Following correlation set

  18. Ordered Delivery Ordered Delivery = true Ordered delivery on physical ports as appropriate

  19. Business Problem Consume business events Filter and transform messages Deliver to three unique consumers, one of which affects people’s lives adversely if not … In-order! Low volume – 300/day 6am-6pm operation window

  20. Business Problem

  21. Initial Solution Generate WSE 2.0 web service from acknowledgement orchestration Ordered delivery orchestration pattern Called orchestration chain to preserve order Web service facades and data access layer to call SQL Server stored procedures Oracle adapter to call stored procedures

  22. Initial Solution – current mncis

  23. Initial Solution – MNCIS XML <CaseNotification schemaVersion="3:1" …> <NotificationAdminHeader caseNumberKey="62J007553366" caseKey="1568853"> <CourtFileNumber> <ID>62-J0-07-553366-madeup</ID> </CourtFileNumber> … </NotificationAdminHeader> <HearingTrialSettingNotification>…(0:n) <\CaseNotification>

  24. Initial Solution – current RCCC

  25. Initial Solution DEMO

  26. Oops! What if… Need to one or all consumer applications? A message is suspended, breaking ordered delivery? Find a bug that requires messages to be replayed, in-order? Not quite there… Had incoming message file wire-tap, but not in order, and no means to replay them Tedious manual process to re-order and replay

  27. Better Solution Solution Might have implemented a resequencer pattern at http://www.microsoft.com/downloads/details.aspx?FamilyID=02c5fd53-fee9-44fc-a780-5d1d34ee8754&DisplayLang=en Decided to insert MSMQ queues in main path and in each consumer path Decided to have the web service write directly to the main path queue, to have replay capability separately from BizTalk Decided to decouple the web service from BizTalk

  28. Queuing Solution – planned mncis

  29. Queuing Solution – planned RCCC For replay

  30. Queuing Solution DEMO

  31. Take-aways Ordered delivery easy to implement, tougher to support MSMQ very helpful for isolation, replay and fault tolerance Watch out for subscription loops Third-party components help but they may not be robust enough

  32. Take-aways Third-party tools are very helpful Consider fault tolerance and replay EARLY File SEND (but not receive) can do ordered delivery; use %datetime% in filename

  33. Resources DebugView http://www.microsoft.com/technet/sysinternals/utilities/debugview.mspx Wfetch (in IIS 6.0 resource kit) http://www.microsoft.com/downloads/details.aspx?familyid=B134A806-D50E-4664-8348-DA5C17129210&displaylang=en ContextAdder – Jon Flanders http://www.masteringbiztalk.com/blogs/jon/CommentView,guid,25768f43-c0b6-4f9d-bb7e-636d52dcd7eb.aspx#commentstart Modified here by 12/15 http://blogs.digineer.com/blogs/randallm/default.aspx

  34. Resources Cogin QueueExplorer http://www.cogin.com/ CreateMSMQQueues.Tools (by 12/15) http://blogs.digineer.com/blogs/randallm/default.aspx SSO tools by BizTalk Samples, Scott Colestock and others…

  35. Message Queuing with BizTalk 2006 R2:MSMQ, IBM WebSphere MQand Ordered Delivery Thank you for attending! Please visit us at www.digineer.com

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