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An Intro to AS4, the Successor of AS2

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In this session, Glenn and Toon will provide some basic insights into the recent B2B messaging protocol AS4. The core concepts will be explained of how AS4 establishes a reliable and secure message exchange between trading partners. As AS4 is not out-of-the-box supported by Microsoft, this session aims to demonstrate that Microsoft products can be extended in order to be interoperable with AS4. Expect a nice mix of theoretical concepts and practical demos.

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An Intro to AS4, the Successor of AS2

  1. 1. Sponsored & Brought to you by An Intro to AS4, the Successor of AS2 Glenn Colpaert & Toon Vanhoutte http://twitter.com/GlennColpaert https://www.linkedin.com/in/glenncolpaert https://twitter.com/ToonVanhoutte https://be.linkedin.com/pub/toon-vanhoutte/6/276/84b
  2. 2. Integration Monday An intro to AS4, the successor of AS2.
  3. 3. Nice to meet you Glenn COLPAERT Integration Consultant Integration MVP ToonVANHOUTTE Integration Architect OASIS ebXML Committee Member glenn.colpaert@codit.eu +32 477 774 304 @GlennColpaert toon.vanhoutte@codit.eu +32 479 905 115 @ToonVanhoutte
  4. 4. Goal of this session Create awareness on AS4 within the Microsoft integration community and demonstrate interoperability of AS4 with the Microsoft stack.
  5. 5. On the menu! 5 AS4 Introduction Existing AS4 projects The AS4 Internals AS2 Comparison AS4Vendor Overview Prepared by: & Hot and spicy demos
  6. 6. What is AS4? AS4 Introduction
  7. 7. What is AS4? ➔ AS4 defines a standardized, secure and reliable exchange of messages, containing one or multiple payloads. Messaging OASIS Standard WS-Security Reliability Payloads
  8. 8. History of AS4 8 Originating from ebXML Messaging Services 2002 ebMS 2.0 2007 ebMS 3.0 Core Specifications 2011 ebMS 3.0 Advanced Features 2013 AS4 Profile of ebMS 3.0 Just enough design
  9. 9. Where is AS4 used? Existing AS4 projects
  10. 10. Adoption of AS4 Australia Superstream Pensions Europe eSENS e-Delivery Public Sector Europe EESSI Social Security Europe ENTSOG Gas Industry Japan JEITA Electronics & IT World Wide IATA Airlines
  11. 11. Member State Member State EESSI Electronic Exchange of Social Security Information Access Point Access Point Institution Institution Over 10.000 social security institutions from 32 Member States across Europe exchanging electronic information via more than 50 Access Points, using the secure and reliable AS4 messaging protocol. Access Points are powered by Microsoft BizTalk Server
  12. 12. How does AS4 work? The AS4 Internals
  13. 13. AS4 Messaging Model 13 Sending Party Business Application Producer Sending MSH Submit Notify Receiving Party Receiving MSH Business Application Consumer Deliver Notify Send Receive MSH = Messaging Service Handler Implementation Specific Implementation Specific AS4 Communication
  14. 14. Demo Scenario 14 Jamie Oliver Inc. FILE System Producer Sending MSH Submit Notify Gordon Ramsay Food Service Receiving MSH FILE System Consumer Deliver Notify Send Receive ➔ Microsoft Integration Platform ➔ .NET Based ➔ Does not support AS4 ootb ➔ Open Source B2B Software ➔ Java Based ➔ Supports AS4 ootb
  15. 15. AS4 Messaging Model 15 Sending Party Business Application Producer Sending MSH Submit Notify Receiving Party Receiving MSH Business Application Consumer Deliver P-Mode User Message Receipt / Error General Protocol BusinessInfo ErrorHandling Reliability Security
  16. 16. AS4 Message Exchange Patterns • One-Way/Push • One-Way/Pull Sending MSH Initiator Receiving MSH Responder Sending MSH Responder Receiving MSH Initiator UserMessage UserMessage PullRequest
  17. 17. AS4 Message Packaging 17 SOAP with Attachments ➔ SOAP Header ➔ UserMessage ➔ SignalMessage (Receipt/Error/PullRequest) ➔ WS-Security Headers ➔ SOAP Body ➔ XML Payloads only ➔ SOAPAttachments (MIME) ➔ Any Payload ➔ GZIP compression possible REF
  18. 18. AS4 Message Packaging 18 SOAP with Attachments ➔ SOAP Header ➔ UserMessage ➔ SignalMessage (Receipt/Error/PullRequest) ➔ WS-Security Headers ➔ SOAP Body ➔ XML Payloads only ➔ SOAPAttachments (MIME) ➔ Any Payload ➔ GZIP compression possible AS4 Message SOAP Header UserMessage From: Sender To: Receiver SOAP Body XML Payload SOAP Attachments Any Payload (MIME) Any Payload (MIME) REF
  19. 19. AS4 Error Handling 19 Sending MSH Receiving MSH UserMessage MessageId = A Error RefToMessageId = A Standard errors cover: ➔ ebMS Processing ➔ Security ➔ Reliability P-Mode Configuration: ➔ Sync or Async Error ➔ Notify consumer/producer Notify Notify
  20. 20. AS4 Reliability 20 Once-and-only-once delivery ➔ ReceiptACKs good processing at receiving MSH Sending MSH ➔ Reception Awareness ➔ Message Retry Receiving MSH ➔ Duplicate Detection ➔ Duplicate Elimination P-Mode
  21. 21. AS4 Security Signing of UserMessage 22 AS4 Message SOAP Header UserMessage From: Sender To: Receiver SOAP Body XML Payload SOAP Attachments Any Payload (MIME) Any Payload (MIME) REF WS-S ➔ Non Repudiation of Origin ➔ DetachedWS-Security Signature ➔ In SOAP Header ➔ Including hashes of: • UserMessage • SOAP Body • SOAP Attachments
  22. 22. AS4 Security Signing of Receipt 23 WS-S ➔ Non Repudiation of Receipt ➔ NRR Receipt Format ➔ Signed by the receiver ➔ Including hashes of: • UserMessage • SOAP Body • SOAP Attachments AS4 Message SOAP Header Receipt Non Repudiation Information HASH of UserMessage HASH of SOAP Body HASH of SOAP Attachments AS4 Message SOAP Header UserMessage From: Sender To: Receiver SOAP Body XML Payload SOAP Attachments Any Payload (MIME) Any Payload (MIME) HASH
  23. 23. AS4 Security Encryption – Data Confidentiality 24 ➔ Transport Layer Security (SSL/TLS) ➔ Secure communication channel ➔ WS-Security Encryption ➔ Message encryption of: • SOAP Body • SOAP Attachments AS4 Message SOAP Header UserMessage From: Sender To: Receiver SOAP Body XML Payload SOAP Attachments Any Payload (MIME) Any Payload (MIME)
  24. 24. What about AS2? AS2 Comparison
  25. 25. AS2 vs AS4 ➔ Payload agnostic ➔ Payload compression ➔ Signing & Encryption ➔ Non-Repudiation of Origin ➔ Non-Repudiation of Receipt 26 Common Characteristics AS2 AS4
  26. 26. AS2 vs AS4 Technology Differences 27 AS2 AS4 ➔ MIME ➔ S/MIME ➔ MDN ➔ SwA ➔ WS-Security ➔ Receipt
  27. 27. AS2 vs AS4 AS4 Differentiators 28 AS4 ➔ Support for multiple payloads ➔ Support for native web services ➔ Support for pulling ➔ Support for lightweight client implementations ➔ Support for modern crypto algorithms ➔ Support for more authentication types
  28. 28. Who supports AS4? AS4Vendor Overview
  29. 29. SoftwareVendors supporting AS4 30 Holodeck B2B Flame IBM Domibus Seeburger AG Software AG Tibco Oracle OBAN ➔ Unfortunately no Microsoft based solutions yet …
  30. 30. Codit AS4 Approach 31 .NET AS4 Library Integration Cloud BizTalk Adapter App Service Connector Standalone Application
  31. 31. Conclusion AS4 is definitely coming your way if you are into B2B messaging. Thanks to its extensibility, Microsoft is interoperable with AS4.
  32. 32. Keep in touch glenn.colpaert@codit.eu +32 477 774 304 @GlennColpaert toon.vanhoutte@codit.eu +32 479 905 115 @ToonVanhoutte
  33. 33. Blog post series “AS4 for Dummies” soon on: d www.codit.eu/blog

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