Assignment7-Solutions

Assignment7-Solutions - bandwidth is 20 kbps. b) (2.b.1)...

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Problem 10 a) (1.a.4) The delay of packet 2 is 7 slots. The delay of packet 3 is 9 slots. The delay of packet 4 is 8 slots. The delay of packet 5 is 7 slots. The delay of packet 6 is 9 slots. The delay of packet 7 is 8 slots. The delay of packet 8 is 8 slots. b) (1.b.4) Packets 3, 4, 6, 7, and 8 will not be received in time for their playout if playout begins at t-8. c) (1.c.2) Packets 3 and 6 will not be received in time for their playout if playout begins at t=9. d) (1.d.1) No packets will arrive after their playout time if playout time begins at t=10. This gives the minimum playout delay 2. Problem 17 a) (2.a.2) The session bandwidth is 4* 100 kbps = 400 kbps. Five percent of the session
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Unformatted text preview: bandwidth is 20 kbps. b) (2.b.1) (2.c.1) Sends each user is both a sender and receiver , each user gets 5 kbps for RTCP packets (receiver reports, sender reports, and source description packets). Problem 19 a) True b) True c) No, RTP streams can be sent to/from any port number. See the SIP example in Section 6.4.3 d) No, typically they are assigned different SSRC values. e) True f) False, she is indicating that she wishes to receive GSM audio g) False, she is indicating that she wishes to receive audio on port 48753 h) True, 5060 for both source and destination port numbers i) True j) False, this is a requirement of H.323 and not SIP....
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This note was uploaded on 10/14/2009 for the course EECS 333 taught by Professor Guo during the Winter '08 term at Northwestern.

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