Dubai, 20 November 29 November 2012
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- VII.6 Terminology on identification, classification and filtering of packets, flows and traffic
VII.5 Session descriptorThere are DPI requirements on session identification in clause 6. This Recommendation does not support a single session concept only, rather a generic view. The correspondent session descriptor may be also not always equated with a particular FD or AD, because the SD space may overlap both, see Figure VII.4. 
Figure VII.4 – Session descriptor The SD may be a subset of the applied PD for a particular DPI service:
Example:
There might be an audio session within a multimedia IP call (as, e.g., peer-to-peer service). The audio session is allowed to use multiple, specific media formats (i.e., audio encodings). There might be DPI policy rule for checking specific media encodings. There may be following conditions for the correspondent descriptors: – FD = elements for identifying the end-to-end UDP transport connection; – AD = elements for RTP source identification (RTP SSRC) and a black or white list for media formats (e.g., RTP payload type identifiers); – SD = FD plus RTP SSRC plus identifiers for allowed audio formats. VII.6 Terminology on identification, classification and filtering of packets, flows and trafficThis Recommendation uses some terms related to operations executed on packets (but also higher-level traffic aggregates like flows, etc.) in scope of DPI functions. Such functions may be categorized as, e.g., illustrated in this Appendix. Figure VII-5 provides a summary and the relation between these terms. The terms identification, classification, filtering and others are sometimes used in a synonymous manner in this Recommendation, because e.g. of a more high-level consideration of a requirement etc. 
Figure VII-5 – Terminology overview related to packet policing Directory: wp-content -> uploads -> 2012 2012 -> The Case Against the nypd’s Quota-Driven ‘Broken Windows’ Policing What Is It? 2012 -> Aa and na members Dying from Tobacco 2012 -> [Baby Crying] 01: 04 [Ching 2012 -> Unit Name / Nom de l’unité uic / ciu dates 2012 -> What We Owe Jehovah’s Witnesses 2012 -> Oceans Challenge Badge 2012 -> Canadian cycling olympians 2012 -> Greg landry, june olkowski and tom lysiak 2012 -> William goldman 2012 -> Does translocation and restocking confer any benefit to the European eel population? A review Download 1.36 Mb. Share with your friends:
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