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Enhancing Network Measurement Request Schema: Overview of Changes and Structure

This document outlines the details regarding the request and response schemas for the Network Measurement Working Group. It provides a comprehensive breakdown of the RELAX-NG format, emphasizing additions and changes in sections highlighted in red. Key areas, such as time information, request characteristics, subjects, parameters, and tools, are discussed. The schemas include attributes for versioning and flexibility in reporting, aiming to improve network measurements and facilitate better data management practices. Detailed links to schema documents are also provided.

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Enhancing Network Measurement Request Schema: Overview of Changes and Structure

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  1. Request/Response SchemaReconciliation Dan Gunter, LBNL NM-WG GGF12, Brussels

  2. Whence the schemas? • Request: • http://www.hep.ucl.ac.uk/~pdm/nmwg/2004-09-01-NM-WG-Request-Schema.rnc.html • Response: • http://www-didc.lbl.gov/NMWG/schemas/relax/report.html

  3. Notation • Each section of Request schema (RELAX-NG compact syntax) • Areas which differ are highlighted in red • These are mostly additions • otherwise there will be some notation to indicate a deleted or changed item

  4. Sections • Request • The top-level of the request • Timeinfo • Representing time • Subject • Test subject • Params • Test parameters • Tool • Tool metadata

  5. nm_request.rnc • start = element networkMeasurementRequest { NetworkMeasurementRequest } • NetworkMeasurementRequest = • element request { Request }+, attribute version • Request = • element characteristic { token }, • element subject { ( element node { Node } | element path { Path } ), Report}, • element methodology { Methodology }?, “+” • element statistics { Statistics }?, • attribute maxResults { token | xsd:positiveInteger }?, • attribute allowNewMeasurements { xsd:boolean }?, • attribute reportEverything { xsd:boolean }? • Methodology = • element endpoint { Endpoint }?, • element tool { Tool } xx?xx, • element when { TimeInformation }, • element parameterSet { ParameterSet }* • Endpoint = token • Required = attribute required { xsd:boolean }? • Report = attribute report { xsd:boolean}?

  6. nm_timeinfo.rnc • TimeInformation = • element time { token | xsd:double }?, • element plusTimeTolerance { token | xsd:double }?, • element minusTimeTolerance { token | xsd:double }?, • element testingInterval { token | xsd:double }?

  7. same nm_subject.rnc • Address = • element host { token }, • element port { xsd:short }?, • attribute version { token } • Node = • element address { Address }, • element name { string }? • Path = • element source { Node }?, • element destination { Node }?

  8. nm_params.rnc • ParameterSet = • element duration { xsd:double, attribute units { token }, ParameterAttributes }*, • #element packetType { token, ParameterAttributes }*, • … • element other { Extensibility }? • ParameterAttributes = • Required, • attribute report { xsd:boolean}?, • attribute range { “min” | “max” | “ exact” }?

  9. nm_tool.rnc • Tool = • attribute required { xsd:boolean }?, • element name { token }, • element major { xsd:int }?, • element minor { xsd:int }?, • element release { token }?, • element buildDate{ xsd:date }?, • element vendor { text }?, • element versionString { text }?, • element sourceCommandLine { ToolCommandLine }?, • element destCommandLine { ToolCommandLine }? • ToolCommandLine = • element arg { text }+ | • element line { text }

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