Asynch Soa

Asynchronous Services - The key to enterprise SOA Johan Eltes Callista Enterprise AB

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Business Processes are asynchronous Why asynchronous services are important Triggering event Process to be orchestrated act Master Planning Process Create master productionplan Produce BOM Request capacities Create Delivery Forecast Submit Delivery Forecast New sales forecast

Enterprise Application Integration Business process transformed into independent stateless flows: Low visibility of process. Firewall, Wan Why asynchronous services are important sd EAI Production Planning PLM PLM Partner Gateway Material Ordering Partner gateway Partner Gateway Material Ordering Integration 1 Integration 2 Integration 3 Integration 4 Production Plan «flow» Products «flow» BOM «flow» Capacity Request «flow» Production Capacity «flow» Production Capacity «flow» Material Forecast «flow» Forecast «flow» act Process Get Production Plan Produce BOM Request capacities Create Forecast Send Forecast

SOA emerged as layered composition model Why asynchronous services are important Animated slide Asynchronous ly triggered processes historically not in focus. SOA was envisioned as layered, application-like architectures – and thus fragile to operate.

SOA based integration Firewall, Wan Business process transformed into process orchestration Why asynchronous services are important sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5 act Process Get Production Plan Produce BOM Request capacities Create Forecast Send Forecast

Asynchronous services: Stateless, batch one-way service invocation Why asynchronous services are important sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5

Synchronous service: Request-rep sponse Why asynchronous services are important sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5

Asynchronous services: Stateful conversation Why asynchronous services are important sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5

Asynchronous services: Event-driven services Why asynchronous services are important sd SOA «Service» Partner Service (from Business Process Model) forcastMaterial requestCapacity «Service» Forecasting Process receiveCapacityStatement produceDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning (from Business Process Model) «Service» Alarm Tracking raiseAlarm «Service» Business Optimization (from Business Process Model) recordEvent 2b «notification» 4b «notification» 1 «OneWay, Reliable» 3 «OneWay,Reliable» 2b,4b «notification» 2 «ReqRepl» 4 «OneWay, Reliable» 5 «OneWay,Reliable»

Why Asynchronous Services – Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Why asynchronous services are important

Asynchronous Message Exchange ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Asynchronous Message Exchange ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

One-way 1 3 2b,4b «notification» 2 4 5 Asynchronous Message Exchange sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification»

One-way ,[object Object],[object Object],Asynchronous Message Exchange analysis Basic MEPs Aynchronous Server Service Asynchronous Client reference processRequest()

Request/ R e sponse ,[object Object],[object Object],[object Object],Asynchronous Message Exchange analysis Basic MEPs Asynchronous Client Callback Service Synchronous Server Service Synchronous Client reference return response «asynchronous» processRequest( request ) : Response «asynchronous» processRequest() : Response «synchronous»

Bi-directional with callback Asynchronous Message Exchange sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5

Bi-directional with callback ,[object Object],[object Object],[object Object],Asynchronous Message Exchange analysis Business Objects Aynchronous Server Service Callback reference Asynchronous Client reference Callback Service processRequest() «asynchronous» processResponse() «asynchronous»

Message Correlation ,[object Object],[object Object],[object Object],[object Object],Asynchronous Message Exchange analysis Correlation Asynchronous Client Callback Service reference Asynchronous Server Service Callback reference Req3 Req2 Req1 Res1 Res2 Res3 processRequest()

Message Correlation Asynchronous Message Exchange sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5

Message Correlation – Protocol Support ,[object Object],[object Object],Id=mid1 Rel=mid1 messageID ”1” -> Forecast ”W0812” Asynchronous Message Exchange analysis Correlation Asynchronous Client Callback Service reference Asynchronous Server Service Callback reference Req3 Req2 Req1 Res1 Res2 Res3 processRequest()

Message Correlation – Application managed ,[object Object],[object Object],[object Object],analysis Correlation Asynchronous Client callback Service reference Asynchronous Server Service Req3 Req2 Req1 Res1 Res2 return response processRequest() Forecast ”W0812” Forecast ”W0812” Res3 Forecast ”W0812” Asynchronous Message Exchange

Stateful Conversations Transparent Correlation Firewall, Wan Asynchronous Message Exchange sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5

Stateful Conversations Transparent Correlation ,[object Object],[object Object],[object Object],[object Object],Asynchronous Message Exchange Asynchronous Server Service callback reference Asynchronous Client reference callback Service Request 1 Instance : Asynchronous Client callback Service reference Response 1 Instance : Asynchronous Server Service callback reference Request 2 Instance : Asynchronous Client callback Service reference Response 2 Instance : Asynchronous Server Service callback reference Req1 Res1 Req2 Res2 Conversation state Req2 Req1 Res1 Res2

Mediation (intermediaries) ,[object Object],[object Object],[object Object],Asynchronous Message Exchange Asynchronous Server Service callback reference Asynchronous Client reference callback Service Intermediary Protocol endpoint: The Intermediary Logical Endpoint : ” AsynchronousServer ” I know how to translate and route logical address ( ” AsynchronousServer ” ) to the ultimate endpoint! I only know the end point of the intermediary... Protocol endpoint : ” AsynchronousServer ”

Quality-of-service ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Web-Service technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Web-Service technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Web-Service technology

WS-Addressing: Foundation for routing Web-Service technology SOAP Envelope SOAP Header <wsa:action> there </wsa:action> <wsa:To>...</wsa:to> Body WSDL <wsaw:action> there </wsaw:action> Runtime Design time JAX-WS generates code that uses WSDL addressing as default when sending a WS-request. SOAP Header wsa extensions - Action: anyURI - MessageID: anyURI - RelatesTo: anyURI EndpointReferens - Address: anyURI +To 0..1 +From 0..1 +ReplyTo 0..1 +FaultTo 0..1

WS-ReliableMessaging ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Web-Service technology

WSBPEL ,[object Object],[object Object],[object Object],[object Object],Web-Service technology BPEL Service Request 1 Instance : Asynchronous Client Call - back Service reference Response 1 Instance : Asynchronous Server Service Call - back reference Request 2 Instance : Asynchronous Client Call - back Service reference Response 2 Instance : Asynchronous Server Service Call - back reference Req1 Res1 Req2 Res2 Conversation state Request 1 Instance : Asynchronous Client Call - back Service reference Response 1 Instance : Asynchronous Server Service Call - back reference Request 2 Instance : Asynchronous Client Call - back Service reference Response 2 Instance : Asynchronous Server Service Call - back reference Req1 Res1 Req2 Res2 Process state

Summary: WS- * support for asynchronous SOA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Web-Service technology

Interoperability of asynchronous web services ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Interoperability of asynchronous web services ,[object Object],WS-I Basic Profile 1.2 WS-I Basic Profile 2.0 WS-I Basic Security Profile 1.0 WS-I Basic Security Profile 1.1 WS-ReliableMessaging 1.1 WS-SecureConversation 1.3 Reliable Secure Profile 1.0 WS-Addressing 1.0 Core WS-Addressing 1.0 SOAP Binding WS-Addressing 1.0 WSDL Binding SOAP 1.1 Binding for MTOM 1.0

Deploying SOA integrations to an ESB ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Deploying SOA integrations to an ESB Webservice-based message bus (routing of SOAP messages) configured routing rules UDDI directory BPEL engine Forecasting Process Process X Java EE engine BOM Service AlarmTracking Service BusOpt Service Message Mapping engine PP Fixed-to-xml service Other mapping JMS Binding Components A JMS binding Legacy Prod Planning WebSphere MQ Partner Service ESB Business Event wsa:Action -> wsa:Address 1 1 2 2 2b 2b 3 3 4 5 4 4b 4b 1 1 1

Tracing a message exchange Webservice-based message bus (routing of SOAP messages) configured routing rules UDDI directory BPEL engine Forecasting Process Process X Java EE engine BOM Service AlarmTracking Service BusOpt Service Message Mapping engine PP Fixed-to-xml service Other mapping JMS Binding Components A JMS binding Legacy Prod Planning WebSphere MQ Partner Service ESB Deploying SOA integrations to an ESB 1.0 1.4 1.1 1.2 1.3

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],Business model SOA model Deployment model act Master Planning Process Create master productionplan Produce BOM Request capacities Create Delivery Forecast Submit Delivery Forecast New sales forecast sd SOA «Service» Partner Service receiveDeliveryForecast requestCapacity «Service» Forecasting Process receiveCapacityStatement submitDeliveryForecast «Service» BOM Service explodeFeatureList «Legacy Adapter» Production Planning «Service» Alarm Tracking raiseAlarm «Service» Business Optimization recordEvent 2b «notification» 4b «notification» 1 3 2b,4b «notification» 2 4 5

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