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draft-ott-xrblock-rtcp-xt-discard-metrics-01

draft-ott-xrblock-rtcp-xt-discard-metrics-01. Joerg Ott , Varun Singh. Discard Metrics. Original draft proposed: D ecember 2008 Applicability: If packets don ’ t arrive in a certain time budget the receiver may discarded these packets.

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draft-ott-xrblock-rtcp-xt-discard-metrics-01

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  1. draft-ott-xrblock-rtcp-xt-discard-metrics-01 JoergOtt, Varun Singh

  2. Discard Metrics • Original draft proposed: December 2008 • Applicability: • If packets don’t arrive in a certain time budget the receiver may discarded these packets. • Due to RTT mismatch in MPRTP the receiver will discard packets from one of the path (depending on the playout delay). • The sender wants to know which ones, or what was the cumulative size of the packets, or how many.

  3. XR Discard Metrics • 2 Message blocks: • XR discard bytes • Number of bytes discarded since the interval • XR discard RLE • Run length encoded to signal which packets got discarded • Early bit: E=1 if discarded due to early arrival, 0 otherwise • Interval bit: I=1 if an interval metric, 0 when cumulative. • Some discussion on the list about changing this to 2 bits?

  4. Next Steps • Finally: WG item followed by WG LC.

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