An Intro to AS4, the Successor of AS2
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The document introduces AS4, a standardized protocol for secure and reliable messaging, highlighting its advantages over the older AS2 protocol. It discusses AS4's internals, its adoption in various sectors across the globe, and the interoperability with Microsoft integration platforms. The presentation emphasizes AS4's capabilities, use cases, and the absence of Microsoft-based solutions while concluding with a proactive note on the protocol's growing significance in B2B messaging.
An Intro to AS4, the Successor of AS2
- 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. Integration Monday An intro to AS4, the successor of AS2.
- 3. Nice to meet you Glenn COLPAERT Integration Consultant Integration MVP ToonVANHOUTTE Integration Architect OASIS ebXML Committee Member [email protected] +32 477 774 304 @GlennColpaert [email protected] +32 479 905 115 @ToonVanhoutte
- 4. Goal of this session Create awareness on AS4 within the Microsoft integration community and demonstrate interoperability of AS4 with the Microsoft stack.
- 5. On the menu! 5 AS4 Introduction Existing AS4 projects The AS4 Internals AS2 Comparison AS4Vendor Overview Prepared by: & Hot and spicy demos
- 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. 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. Where is AS4 used? Existing AS4 projects
- 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. 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. How does AS4 work? The AS4 Internals
- 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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)
- 25. AS2 vs AS4 ➔ Payload agnostic ➔ Payload compression ➔ Signing & Encryption ➔ Non-Repudiation of Origin ➔ Non-Repudiation of Receipt 26 Common Characteristics AS2 AS4
- 26. AS2 vs AS4 Technology Differences 27 AS2 AS4 ➔ MIME ➔ S/MIME ➔ MDN ➔ SwA ➔ WS-Security ➔ Receipt
- 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
- 29. SoftwareVendors supporting AS4 30 Holodeck B2B Flame IBM Domibus Seeburger AG Software AG Tibco Oracle OBAN ➔ Unfortunately no Microsoft based solutions yet …
- 30. Codit AS4 Approach 31 .NET AS4 Library Integration Cloud BizTalk Adapter App Service Connector Standalone Application
- 31. Conclusion AS4 is definitely coming your way if you are into B2B messaging. Thanks to its extensibility, Microsoft is interoperable with AS4.
- 32. Keep in touch [email protected] +32 477 774 304 @GlennColpaert [email protected] +32 479 905 115 @ToonVanhoutte
- 33. Blog post series “AS4 for Dummies” soon on: d www.codit.eu/blog