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16 timestamp tcpipprotocolsuite 27 note to prevent

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Unformatted text preview: Suite 27 Note: To prevent jitter, we can timestamp the packets and separate the arrival time from the playback time. TCP/IP Protocol Suite 28 Figure 25.17 Playback buffer TCP/IP Protocol Suite 29 Note: A playback buffer is required for real-time traffic. TCP/IP Protocol Suite 30 Note: A sequence number on each packet is required for real-time traffic. TCP/IP Protocol Suite 31 Note: Real-time traffic needs the support of multicasting. TCP/IP Protocol Suite 32 Note: Translation means changing the encoding of a payload to a lower quality to match the bandwidth of the receiving network. TCP/IP Protocol Suite 33 Note: Mixing means combining several streams of traffic into one stream. TCP/IP Protocol Suite 34 Note: TCP, with all its sophistication, is not suitable for interactive multimedia traffic because we cannot allow retransmission of packets. TCP/IP Protocol Suite 35 Note: UDP is more suitable than TCP for interactive traffic. However, we need the services of RTP, another transport layer protocol, to make up for the deficiencies of UDP. TCP/IP Protocol Suite 36 25.6 RTP Real-...
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