Yadis for UGAI services discovery

User:Lulurun

This is for the convenience of login information input in the "Open grids" environment.

under thinking.

Client changes are needed.

What is Yadis ?
http://en.wikipedia.org/wiki/Yadis

UGAI discovery
A grid service should make such a file public.

    http://opensim.org/gridservice/1.0 http://osgrid.org:8001   http://opensim.org/userservice/1.0 http://osgrid.org:8002   http://opensim.org/assetservice/1.0</Type> http://osgrid.org:8003</URI> </Service>  http://opensim.org/inventoryservice/1.0</Type> http://osgrid.org:8004</URI> </Service> </XRD> </xrds:XRDS>

User Data provider discovery
After login, UserServer should be able to generate a file to navigate user belonging services

<?xml version="1.0" encoding="UTF-8"?> <xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)"> <XRD>  http://opensim.org/userprofile/1.0</Type> http://osgrid.org:8002/GetUserProfile/12345678-1234-1234-1234-12345678abcd</URI> </Service>  http://opensim.org/loginsession/1.0</Type> http://osgrid.org:8002/session/12345678-1234-1234-1234-12345678abcd</URI> </Service>  http://opensim.org/assetservice/1.0</Type> http://osgrid.org:8003</URI> </Service>  http://opensim.org/inventoryservice/1.0</Type> <URI>http://osgrid.org:8004</URI> </Service> </XRD> </xrds:XRDS>