Collaborative working environment: Use of Service oriented architecture for building virtual enterprises

Transcription

1 Collaborative working environment: Use of Service oriented architecture for building virtual enterprises Dr. Sathya Rao, Telscom IST2006, Helsinki 23 Nov Nov.2006 IST2006 Networking session: collaborative working 1

2 New business models with virtual CREATE enterprise model Find the right expertise and know-how with the cluster partner to create the service components Share Define methods, security and trust to share the expertise, data and service components Think as one Present as a virtual large company with expertise needed to offer the tailored service 23 Nov.2006 IST2006 Networking session: collaborative working 2

3 Business Supply chain needs the interaction between parties that are required to produce products or services and deliver them to customers. applies to both B2B and B2C. E-business: the marriage of traditional supply chain management techniques with internet and web technologies. Consists of 3 major components E-commerce A piece of the overall e-business pizza Point-of-sale and direct transactions E-procurement Processes by which a manufacturer obtains products from suppliers Enormous in volume, quantity, and value. A target for aggregations of buyers and sellers market place - to achieve great economies of scale. E-collaboration Share information among supply chain participants. A key area is collaborative planning to achieve a good decision. 23 Nov.2006 IST2006 Networking session: collaborative working 3

4 Business Goals Low cost Streamlined More efficient process Monitor and track process execution Detect and manage exception In-time response, etc Solution: ICT 23 Nov.2006 IST2006 Networking session: collaborative working 4

5 Problems with virtual organisations Different parties may have different: Operating system Interface Functionality Data format Security Infrastructure Interaction protocols Language, etc. Automating supply chain implies bringing all of them together. Solution: Collaborative working sharing information 23 Nov.2006 IST2006 Networking session: collaborative working 5

6 Workflow technologies UMM Modelling methodologies Graphical notation languages BPMN (i) (c) (h) UML (a) (b) BPSS WS-CDL (f) WSCI WSCL Choreography languages (non executable) BPML (e) WSFL BPEL XPDL BPEL4WS XLANG BPSS+ CPP/CPA (d) Abstract languages Orchestration languages (executable) BPELJ JSR207 jpdl Programming language based Administration & monitoring BPQL Wf-XML BPSM RosettaNet Interfaces UBL OAGIS interfaces Data Encoding [languages] BPXL BTP SOAP ASAP Wf-XML Extension layers (communication protocols, etc) 23 Nov.2006 IST2006 Networking session: collaborative working 6

7 System architecture Simplified process modelling and workflow specification platform Choreography editor Choreography specification Mapper to orchestration Orchestration specification LDAP distributor and controller Partner 1 Engine 1 Engine 3 CIM mediation Network Component 1 CIM mediation Network Component ERP Network Component CIM mediation Engine 2.1 LDAP 23 Nov.2006 IST2006 Networking session: collaborative working 7 ERP Partner 4 CIM mediation Engine 4 ERP Engine ERP 2.2 Partner 2 Partner 3 Network Component 2 This partner has no visible network component (e.g. a developper) Workflow execution platform

8 All New Applications Are Web-Based B2E TCO B2C Cost Savings Extend Application Reach Technology Appeal B2B All Development and Run-Time Tools Are Web-style Process Automation Tactical Legacy Extensions Strategic Architecture (Web Services) 23 Nov.2006 IST2006 Networking session: collaborative working 8

9 Web service an enterprise example integrating application (contains the composition logic) Web service-enabled broker sendmail application SmartQuotation DBMS applications SmartForecasting Benefit: heterogeneity reduction and P2P interaction 23 Nov.2006 IST2006 Networking session: collaborative working 9

10 What is SOA? Service Oriented Architecture Service System capabilities that provide access to functions and data are appropriately exposed to other components (applications, devices, networks, etc.) Oriented Uses open interoperability protocols Architecture In its purest form, it s the connection of systems (simple or complex) 23 Nov.2006 IST2006 Networking session: collaborative working 10

11 Key web service technology SOAP Simple messaging framework for transferring information between peers over web in a decentralized and distributed environment using XML WSDL An XML-based means for describing a web service and expressing the interface to a given Web service UDDI A repository for WSDL docs 23 Nov.2006 IST2006 Networking session: collaborative working 11

12 Web service & SOA 23 Nov.2006 IST2006 Networking session: collaborative working 12

13 VISP Virtual Enterprise Governance as a goal: Leverage the legacy by decoupling point-topoint relationships and extending services to external requests Monolithic legacy applications can be become service providers Exposing services is more important than how Service Orientation in business process implementation Create content and tools for realising VISP 23 Nov.2006 IST2006 Networking session: collaborative working 13