1 Industry-Wide System Management Standard Bernd Sint Seminar Grid Computing II WS 2006/07

2 Introduction Source Merge of Grid and Web [9]

3 Contents WSRF and WS-Notification WS-Transfer and WS-Eventing WSRF / WS-N vs. WS-T / WS-E Outlook - The New Standard WS-RT Demonstration

4 A typical Web Service Source: A stateless Web Service invocation [1]

5 Web Service - stateless Source: A stateless Web Service invocation [1]

6 Web Service - statefull Source: A stateful Web Service invocation [1]

7 WS + Resource = WS-Resource Source: A WS-Resource [1]

8 WSRF specifications WS-ResourceProperties WS-ResourceLifetime WS-ServiceGroup WS-BaseFaults

9 Related specifications WS-Notification Allows Web Service to be configured as a Notification Producer, and certain client to be Notification Consumers WS-Addressing Provides a mechanism to address Web Service Resource: Web Service + Resource as Endpoint Reference

10 WS-Notification Source:

11 WS-Transfer XML-based representations of entities using the Web Service infrastructure Resources, which are entities addressable by an EPR Resource factories, which are WS that can create a new resource 4 operations: Create, Delete, Get and Put

12 WS-Eventing Source:

13 Comparison WSRF is more complex WSRF has no „Create“ functionality WS-Eventing has not so much functionality WS-Eventing can only subscribe to Web Services

14 Comparison „Hello World“ with no security Source:Testing „Hello World“ with no security [4]

15 „The“ new Standard HP, IBM, Intel and Microsoft announced on March 15, 2006 their plans to develop a COMMON SET OF WS SPECIFICATIONS FOR RESOURCES, EVENTS AND MANAGEMENT

16 Why these four vendors?

17 Resource- / Information Management Source:Toward Converging Web … [3}

18 Eventing and Notification Source:Toward Converging Web … [3}

19 Web Services Management Source:Toward Converging Web … [3}

20 WS-ResourceTransfer Demo Specification – August 2006: Implementation by Mohammad N. Fakhar, IBM – 31 August, 2006:

21 Summary Common goal to build an industry- wide system management standard Should be finished within the next months Will build the new de-facto standard The need for well understandable standardized specifications, because …

22 WS-* WS-Addressing WS-PolicyAttachment WS-MetadataExchange WS-Resource Framework WS-Notification WS-Inspection WS-Security WS-SecureConversation WS-Trust WS-ResourceTransfer WS-TransferAddendum WS-Enumeration WS-ReliableMessaging WS-Reliability WS-Coordination WS-Transaction WS-AtomicTransaction WS-BuisnessActivity WS-Routing WS-Federation WS-Eventing WS-EventingNotification ……. WHAT WILL COME NEXT?