Web Services Survey an Inventory

   Background, Goals and Status




       14th ESIP Federation Assembly Meeting
       ...
Background and Purpose

There is a rapidly growing array of distributed services for accessing, processing, visualizing,
 ...
WS Inventory: Features and Approach

                                             WS Inventory Survey Features

• Flexible...
Tech. Infusion WG, WS Subgroup
WS Inventory/Survey Discussion Thread
Draft WS Inventory Record
Draft WS Inventory Record
Draft WS Inventory
WS Inventory Form:


   Description,
     Contact,
     Example
WS Inventory Form:


Interface,    Clients,
             Tools
WS Inventory Form:


Functions,        Topic
 (GCMD)        Science
        Domains
WS Inventory as an Open, Living Resource?


•   Relationship to other Catalogs       (Social Behavior)

     – Not to be r...
Scope of Web Services Subgroup, 2005

1. Prepare an inventory of web services and their interfaces
   –   The WS landscape...
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2005-01-04 Web Services Survey an Inventory Background, Goals and Status

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2005-01-04 Web Services Survey an Inventory Background, Goals and Status

  1. 1. Web Services Survey an Inventory Background, Goals and Status 14th ESIP Federation Assembly Meeting Renaissance Mayflower Hotel Washington, DC January 4-6, 2005
  2. 2. Background and Purpose There is a rapidly growing array of distributed services for accessing, processing, visualizing, cataloging, discovering or otherwise manipulating Earth Science information through computer-computer interfaces. The landscape is currently obscured by the lack of a suitable inventory and by the hype associated with web services Purposes of the WS Inventory/Survey • assess the size and characteristics of the computer-accessible (WS) resource pool • expose the main computer-computer WS linking protocols used and • get a rough assessment of the current WS usage environments. Beneficiaries: ESIP Infusion DSWG workgroup other DSWG workgroups, (e.g. Reuse and Standards) It should also aid the creation and diffusion of ES knowledge for Achieving a Sustainable Planet (ESIP)
  3. 3. WS Inventory: Features and Approach WS Inventory Survey Features • Flexible to capture the varied WS technologies and their use environments • Simple for easy participation Approach to the WS Inventory Content Creation • The content of the WS Inventory collected from the community through a web-form. • Subsequent versions of this inventory could incorporate more specifics for service binding • The content could migrate to formal WS Discovery services such as GCMD, ECHO and others. Current task: Designing the web-form to be filled out by the participating members Latest draft Web Service Inventory page on the Infusion WG website http://www.sciencedatasystems.org/seeds/wg/infusion/Lists/Service%20Inventory/AllItems.aspx Discussion thread for web-form design WS Invedntory Form Design by the WG http://www.sciencedatasystems.org/seeds/wg/infusion/Lists/Web%20Services%20Discussion/AllItems.aspx Select the node in the thread Press Post Reply (remember to log in, so we know who you are).
  4. 4. Tech. Infusion WG, WS Subgroup
  5. 5. WS Inventory/Survey Discussion Thread
  6. 6. Draft WS Inventory Record
  7. 7. Draft WS Inventory Record
  8. 8. Draft WS Inventory
  9. 9. WS Inventory Form: Description, Contact, Example
  10. 10. WS Inventory Form: Interface, Clients, Tools
  11. 11. WS Inventory Form: Functions, Topic (GCMD) Science Domains
  12. 12. WS Inventory as an Open, Living Resource? • Relationship to other Catalogs (Social Behavior) – Not to be rude – Not just coexisting - Data collection through SDS SharePoint – Cooperative, part of a value-chain - Inventory extension @ ESIP (SOAP) - Usage at GCMD & EDCHO? GCMD OpenDAP Cat OGC Cats ESIP Cat ECHO Google • Stages of Cooperation – Open content for connection by others - sharing – Connecting through proxies & gateways – Semantic Interoperability
  13. 13. Scope of Web Services Subgroup, 2005 1. Prepare an inventory of web services and their interfaces – The WS landscape is changing rapidly. New services are emerging – We need a snapshot of the service landscape, particularly in the REASoN projects – But what ‘services’ do we include? SOAP, OPeNDAP, OGC, files? 3. Assess WS architectures for data access AND analysis – We don't quite know how to link distributed WSs into coherent science applications – An open dialog on the linking/architectural issues would speed up the group learning. – Issues: e.g. Architecture without rigid architecture 5. Demonstrate web service linking – Several REASoNs have a goal of facilitating satellite data flow and processing – A narrow pilot project could demonstrate satellite data access/processing/analysis/delivery – Issues: Which REASoN projects? Data products? Services? Architecture(s)? Further ideas/feedback on the scope of the WS subgroup will be appreciated.

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