Administrative Domain

1
Administrative Domain
Reqest Interface (access interface)
Response Interface (inter-domain interface)
RequestController
RequestController
Characteristic parser
Tool check
Schedule check
Remote check
Distributor
AAA
PMC database
PMC controller
Inter-domain controller
2
RequestInterface input message

• ltin0gt
• ltcharacteristic namenetwork.delay.roundtrip/gt
• lttool nameping rank1/gt
• lttool namepingmon rank3/gt
• ltsource hosta.b.c.d/gt
• ltsink hoste.f.g.h/gt
• ltwhen nowtrue/gt
• ltcredentialgtlt/credentialgt
• lt/in0gt

Normally the client would specify either a
characteristic or a (set of) tools, and the tools
would be filled out by the domain interfaces
Tools to use, ranked in order of preference
Source and sink hosts
A time specification
Credentials for authorisation and authentication.
This is an anyType element, for extensibility
3
RequestInterface output message

• ltout0gt
• ltlocation xsitypeSQLQuerygt
• lthostgtfoo.barlt/hostgt
• ltquerygtSELECT FROM measurements WHERE
  idmyuniqueidlt/querygt
• lt/locationgt
• lt/out0gt

The location is of type anyType, so any sort of
reference can be put in here (this SQLQuery is
just an example)
4
RequestInterface - faults

• Faults are used to indicate failures.
• ltBlahExceptiongt
• ltmessagegtGone wronglt/messagegt
• further information for some faults
• lt/BlahExceptiongt
• ToolUnavailableException
• CharacteristicUnavailableException
• TimeUnavailableException
• MalformedRequestException

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ResponseInterface

• Takes a MeasurementRequest
• Returns a MeasurementRequest or one of the faults
• Both interfaces may add new source/sink elements
• ltsource hosti.b.c.d typepmc/gt
• ltsink hostj.f.g.h typepmc/gt
• Either may remove tool elements
• Either may add credentials

6
More Information

• See http//www.hep.ucl.ac.uk/pdm/e2epipes/domain.
  html