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OGSA-WG Naming #1 “A Rose by any other name would smell as sweet”

OGSA-WG Naming #1 “A Rose by any other name would smell as sweet”. Proposed OGSA Three Level Scheme. Human -> abstract -> address Addresses represented by WS-Addressing EPR’s Abstract names realized by WS-Naming EPR’s (a profile on WS-Addressing) Human names realized by RNS.

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OGSA-WG Naming #1 “A Rose by any other name would smell as sweet”

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  1. OGSA-WG Naming #1“A Rose by any other name would smell as sweet”

  2. Proposed OGSA Three Level Scheme • Human -> abstract -> address • Addresses represented by WS-Addressing EPR’s • Abstract names realized by WS-Naming EPR’s (a profile on WS-Addressing) • Human names realized by RNS

  3. Abstract Name Desirable Properties • Widely adopted • Unique • Comparable • Location portable • Scalable – high performance • Extensible • Dynamic binding • …

  4. WS-Naming • A profile on WS-Addressing EPR’s • Adds two extensibility elements • Existing tooling that uses EPR’s would also work using WS-naming EPR’s

  5. Two elements • AbstractName • Unique in space and time • Strings • Comparable == only • ReferenceResolver • Must be able to map abstract name to an EPR if it is possible (named entity may no longer exist) • Is also an EPR • EPR resolve(AbstractName) • EPR resolve(EPR)

  6. Simple example <wsa:EndpointReference xmlns:wsa=”http://www.w3.org/2005/02/addressing” xmlns:name=”http://tempuri.org/”> <wsa:Address>http://tempura.org/example</wsa:Address> <wsa:Policies> <name:AbstractName>urn:guid:B94C4186-0923-4dbb-AD9C-39DFB8B54388</name:AbstractName> </wsa:Policies> </wsa:EndpointReference>

  7. <wsa:EndpointReference xmlns:wsa=”http://www.w3.org/2005/02/addressing” xmlns:name=”http://tempuri.org/”> <wsa:Address>http://tempura.org/example</wsa:Address> <wsa:Policies> <name:AbstractName>urn:guid:B94C4186-0923-4dbb-AD9C-39DFB8B54388</name:AbstractName> <name:ReferenceResolver> <wsa:Address>http://tempura.org/resolver1</wsa:Address> </name:ReferenceResolver> </wsa:Policies> </wsa:EndpointReference> More Complex Example

  8. Most complex example <wsa:EndpointReference xmlns:wsa=”http://www.w3.org/2005/02/addressing” xmlns:name=”http://tempuri.org/”> <wsa:Address>http://tempuri.org/example</wsa:Address> <wsa:Policies> <name:AbstractName>urn:guid:B94C4186-0923-4dbb-AD9C-39DFB8B54388</name:AbstractName> <name:ReferenceResolver> <wsa:Address>http://tempura.org/resolver1</wsa:Address> <wsa:ReferenceParameters> guid:8733111B-84FA-4da8-89FE-417932B3B92C </wsa:ReferenceParameters> <wsa:Policies> <name:AbstractName>urn:guid:55AD06F6-2F35-409a-9DCE-E5F304E557AA</name:AbstractName> <name:ReferenceResolver> <wsa:Address>http://tempura.org/resolve2</wsa:Address> </name:ReferenceResolver> </wsa:Policies> </name:ReferenceResolver> </wsa:Policies> </wsa:EndpointReference>

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