EGEE is a project funded by the European Union under contract IST-2003-508833 Study of Performance Standards, kick off (Task 1.1.1) Robert Stoy DFN EGEE.

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Presentation transcript:

EGEE is a project funded by the European Union under contract IST Study of Performance Standards, kick off (Task 1.1.1) Robert Stoy DFN EGEE JRA4 Kick Off, Cork,

, - 2 Overview OSI LayerStandardisation Organisation Documents 4 (TCP,UDP, others) IETF Active Measurements: IPPM Working Group RFCs and Internet Drafts Passive Measurements: SNMP MIBs provided by various working groups 3 (IP) 2a (L2-VPNs, EoMPLS...) 2b (SDH/Sonet)ITU T (G-Series Recommendations) G.820 – G.829,... 1 opticalG.8201,...

, - 3 Standardization IETF, RFCs Layer 3  Framework for IP Performance Metrics RFC 2330  A One-way Delay Metric for IPPM RFC 2679  A One-way Packet Loss Metric for IPPM RFC 2680  A Round-trip Delay Metric for IPPM RFC 2681  One-way Loss Pattern Sample Metrics RFC 3357  IP Packet Delay Variation Metric for IPPM RFC 3393 Layer 4  IPPM Metrics for Measuring Connectivity RFC 2678  A Framework for Defining Empirical Bulk Transfer Capacity Metrics RFC 3148  Network performance measurement for periodic streams RFC 3432

, - 4 Standardization IETF, Internet Drafts  A One-way Active Measurement Protocol (OWAMP) draft-ietf-ippm-owdp-07.txt  A One-way Active Measurement Protocol Requirements draft-ietf-ippm-owdp-reqs-06.tx  IPPM metrics registry draft-ietf-ippm-metrics-registry-05.txt  IPPM reporting MIB draft-ietf-ippm-reporting-mib-05.txt  Packet Reordering Metric for IPPM draft-ietf-ippm-reordering-05.txt

, - 5 Standardization ITU-T SDH and optical  Quality and availability targets for end-to-end international constant bit-rate digital paths G.820–G.829  Error performance parameters and objectives for multi-operator international paths within the Optical Transport Network (OTN) G.8201

, - 6 Measurement Systems IPPM Measurement Systems  Online Active Measurements  Measurements of OWD, OWL, OWD, OWDJ  Data Archive  Presentation through web interface  Examples: DFN-IPPM, RIPE-TTM Layer4 and Application Measurement Systems  Not standardized

, - 7 Measurement Tools On IP layer lots of tools are exising, evolution to IPPM Measurement Systems and Metric Standardisation in IETF On Transport Layer (Layer 4)  interesting metric for data intensive GRIDs: ‚Available Path Bandwidth‘ TCP Throughput  measurement methods: state of the art: active measurements with real data streams, example ‚iperf‘. –heavy network load Passive Measurements: –Monitoring of router interfaces and data combination Bandwidth estimation tools: –research actvity, pilot apps available

, - 8 Other Working Groups GGF Internet2 WGs, e2epi