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NM-WG Measurement Schemas

Global Grid Forum Network Measurements Working Group Dan Gunter, Martin Swany, Jason Zurawski. NM-WG Measurement Schemas. Overview. NM-WG focused on standardizing schemas for exchanging network measurements Published one document (“characteristics”): set of standard names for measurements

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NM-WG Measurement Schemas

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  1. Global Grid Forum Network Measurements Working Group Dan Gunter, Martin Swany, Jason Zurawski NM-WG Measurement Schemas

  2. Overview • NM-WG focused on standardizing schemas for exchanging network measurements • Published one document (“characteristics”): set of standard names for measurements • Two sets of schemas out there: • v.1::Monolithic, straight mapping of “characteristics” doc • v.2::Framework, adding in from “characteristics” piecemeal

  3. Where are we now? • v.2 base schema has been around for a while • Just got an iperf, ping, traceroute • Need to discuss these • Need implementor feedback • Working on developer's guide to smooth transition and help with Web Svcs details • not yet published, but v.0.1 is available

  4. v2 Schemas Recap • Request: • metadata: • characteristic (e.g. http://www.ggf.org/nmwg/iperf) • subject (e.g. host pair) • parameters (e.g. TTL) • Response: • metadata: <same as above> • data: <depends on characteristic>

  5. Implementation status/demo • Demonstrate Jason Zurawski's client/server now..

  6. Schemata

  7. Preamble • schema language: Relax-NG compact syntax • assume header for char. “X”: default namespace="http://www.ggf.org/nmwg/X/" namespace pg="http://www.ggf.org/nmwg/X/" include "nmbase.rnc" include "topology.rnc" Metadata |= XMetadata Results |= XResults

  8. Schemas and Examples • http://dsd.lbl.gov/~dang/NMWG/Internet2-JT-Feb05/rncschemas/

  9. Next steps for developer's guide • Finish examples • Language+toolkit notes • WS-RF integration plans (feature negotiation, etc.)

  10. Next steps for adoption • Get rough consensus on ping, iperf, traceroute • Put these in canonical NM-WG namespace: publish doc in GGF? • Get 2+ implementations to interoperate • Iterate, using developer's guide as read/write resource

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