HP, IBM, Intel, Microsoft Management Harmonization Overview OGF 19 January 30, 2007 Josh Cohen, Microsoft, Doug Davis, IBM Heather Kreger, IBM Vijay Tewari,

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Presentation transcript:

HP, IBM, Intel, Microsoft Management Harmonization Overview OGF 19 January 30, 2007 Josh Cohen, Microsoft, Doug Davis, IBM Heather Kreger, IBM Vijay Tewari, Intel Martin Walker, HP

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 2 Background  Industry need for consistent service oriented interfaces for management.  HP, IBM, Grid community and partners developed Web Services Distributed Management (WSDM) motivated by modelling stateful resources with web Services  Intel, Microsoft and partners developed WS-Management for systems management  Industry feedback and desire for common management protocol.  We heard you! - “HP, IBM, Intel and Microsoft plan to develop a common set of specifications for resources, events, and management that can be broadly supported across multiple platforms. The parties will do this by building on existing specifications and defining a set of enhancements that enable this convergence.” - Toward Converging Web Service Standards for Resources, Events, and Management, HP, IBM, Intel and Microsoft, March 2006    

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 3 Objective and Agenda  Objective - Provide an update on the progress on the convergence of WS-Management (WS- Man) and WSDM - Solicit feedback on the architecture (requires Feedback Agreement executed by all)  Agenda - Overview of existing stacks - Current convergence stack architecture and status - Functional decomposition and overview of constituent specifications - Process and next steps

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 4 WSDM and WS-Management side by side WS-Addressing, other WS-* SOAP, WSDL, XSD HTTP(s), TCP, UDP, IP WS-BaseNotificationWS-BrokeredNotificationWS-Topics WS-Notification WS-ResourcePropertiesWs-ResourceLifetime WS-ResourceFramework WSDM CIM Mapping for WSDM WS-Eventing WS-TransferWS-Enumeration WS-Man CIM Mapping for WS-Man Events State/Property transfer Events State/Property transfer

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 5 Converged Architecture WS-EventingWS-Transfer WS-EventNotificationWS-ResourceTransfer WS-Addressing, other WS-* SOAP, WSDL, XSD WS-ResourceCatalog WS-Enumeration WS-ResourceEnumerationWS-MetadataExchange WS-Unified Management Profile WS-Network Discovery Specifications Converged Management specifications Convergence Infrastructure specifications Basic events and state/property transfer Web Services base specs WSDMWS-Man Names of some specifications are not final and may change

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 6 New Specifications Developed  WS-ResourceTransfer  WS-EventNotification  WS-ResourceEnumeration  WS-ResourceCatalog  WS-Network Discovery Specifications  WS-UnifiedManagement Profile

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 7 WS-ResourceTransfer (WS-RT)  Goal: - Satisfy the primary requirements that WS-Management and WSDM had on WS- Transfer and WS-ResourceProperties/WS-ResourceLifetime - Layered on top of WS-Transfer  Main concepts: - WS-RT defines extensions to the WS-Transfer CRUD operations that can operate on fragments of the XML representation of the resource - Multiple-Gets/Puts per operation - New filter dialects  QName  XPath level 1 - WS-RT defines optional resource metadata that describes certain aspects of the resource  Lifetime  Can be included on Create  Use MEX to retrieve - MEX+Transfer to update dateTime | duration | duration metadata sections + ? xs:any ? xs:any * d:Volume[1]/d:Label d:Volume[1]/d:Label d:Volume[2]/d:FreeSpace

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 8 WS-RT continued...  WS-Transfer updated - WS-Transfer was updated to define extension points that can be used by other specifications.  WS-ResourceTransfer uses these extension points without the need to define new operations/actionURIs - Get allows for a specialized retrieval mechanism in the soap:Body  Must have a mU=1 header to ensure the Body is processed - Put allows for a specialized update mechanism in the soap:Body  Must have a mU=1 header to ensure the Body isn’t treated as the full resource representation - Create allows for specialized constructor mechanism in the soap:Body  Again, requires a mU=1 header

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 9 New Specifications Developed  WS-ResourceTransfer  WS-EventNotification  WS-ResourceEnumeration  WS-ResourceCatalog  WS-Network Discovery Specifications  WS-UnifiedManagement Profile

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 10 WS-EventNotification (WS-EVN)  Goal: - Satisfy the primary requirements that WS-Management and WSDM had on WS- Eventing and WS-BaseNotification/WS-Topics - Layered on top of WS-Eventing  Main Concepts: - Subscription can be treated as a resource - Additional filters – composition filters, scope  such as Topics, Notification or Resource - Delivery Formats – batched - Delayed activation - Specification of metadata on Subscribe - Pause/Resume (click for more…) - Transformation and selection - Dropped events - Bookmarks - New delivery modes – pull, receipts - Inactivity Message - Verify Subscription - Advertise features/events

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 11 New Specifications Developed  WS-ResourceTransfer  WS-EventNotification  WS-ResourceEnumeration  WS-ResourceCatalog  WS-Network Discovery Specifications  WS-UnifiedManagement Profile

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 12 WS-ResourceEnumeration (WS-RE)  Goal: - Satisfy the primary requirements that WS-Management and WSDM had on WS-Enumeration - Layered on top of WS-Enumeration  Main Concepts: - Enumeration as a resource  Optional new EPR to Enumerate()  instead of assuming same as data source - Transformation and filter - Estimate size of results on Enumerate() - Optimized MEP for small data sets.  Client chooses size - Enumerate EPRs in addition to objects - Ability to manipulate “cursor”  Reverse, skip, moveTo Enumerate EnumerateResponse (Context) Pull(3) PullResponse Pull(4) PullResponse Release ReleaseResponse Resource Item Collection

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 13 New Specifications Developed  WS-ResourceTransfer  WS-EventNotification  WS-ResourceEnumeration  WS-ResourceCatalog  WS-Network Discovery Specifications  WS-UnifiedManagement Profile

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 14 WS-ResourceCatalog (WS-RC)  Goal: - Satisfy the primary requirements that WS-Management and WSDM have for advertising, enumerating and locating resources, their relationships and capabilities  Main Concepts: - Defines the schema of a ‘catalog’  Find/get EPR to service/resource  Types and instances  Relationships/Topologies  Search over advertisement data (classifiers), or resource-specific data (WSDL, Cached Data, Schema...) - Profiles will define the binding for a particular access need  WS-UnifiedManagement is a key customer  This group will define the binding for Mgmt (RT, EVN, RE…)  DMTF may define access for WSDM or WS-Man

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 15 New Specifications Developed  WS-ResourceTransfer  WS-EventNotification  WS-ResourceEnumeration  WS-ResourceCatalog  WS-Network Discovery Specifications  WS-UnifiedManagement

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 16 WS-Network Discovery Specifications  Goal: - Satisfy the primary requirements that WS-Management and WSDM  Discovery of manageable nodes and resource catalogs on the network  Leverage existing network discovery mechanisms  Main Concepts: - Profile over the existing discovery mechanisms (WS-Discovery, SLP, DNS…)  To populate, or be reflected through, an instance of the WS-ResourceCatalog

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 17 New Specifications Developed  WS-ResourceTransfer  WS-EventNotification  WS-ResourceEnumeration  WS-ResourceCatalog  WS-Network Discovery Specifications  WS-UnifiedManagement Profile

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 18 WS-UnifiedManagement Profile (WS-UM)  Goal: - Satisfy the primary requirements that WS-Management and WSDM defined through the profiling of their respective lower-level specification  Main Concepts: - Goal is to unify the concepts of WS-Man and WSDM - Profile use of lower-level specs (WS-RT, WS-EVN, WS-RC, WS-RE, WS-Network Discovery specifications)

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 19 What to expect?  Follow the normal workshops process - Publication on author web sites - Workshops  Feedback  Interop - Submission to standards body  Tentative timeline - WS-ResourceTransfer, published Aug 2006, public feedback workshop held Dec WS-EventNotification, likely publication 1Q’07 - WS-ResourceEnumeration, likely publication 1Q’07 - WS-ResourceCatalog, likely publication 1Q’07 (DMTF) - WS-UnifiedManagement - WS-Network Discovery Specifications  How can you participate? - Feedback workshops - Interop workshops - Standards Body - Feedback at any time (signed feedback agreement required)  Yahoo Group (WS-RT):

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 20 Summary  HP, IBM, Intel and Microsoft committed to developing converged Management stack  Overall architecture defined  Good progress on constituent specifications - WS-RT published, WS-EVN, WS-RE, WS-ResourceCatalog likely published by 2Q’07

Management Harmonization Overview HP, IBM, Intel, Microsoft Page 21 Thank you! Comments/Questions Feedback agreement required