Find the transmission rate in bits per second

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Reference no: EM13526978

1 Generalize the basic approaches we used for making the best out of best effort service for real-time interactive multimedia applications.

2 Why RTSP is called an out of band control protocol? Find out another protocol that also uses out of band control and compare them.

3 Assume an Internet phone application generates packets only during talk spurts. During a talk spurt the sender generates bytes at a rate of 1,000 bytes per second, and every 40 msecs the sender gathers bytes into chunks. Assume that RTP is used that will add a header to each chunk. In addition UDP and IP will be used. Suppose all headers (including RTP, UDP and IP) have a total length of h and an IP datagram is emitted every 50 msecs. Find the transmission rate in bits per second for the datagram generated by one side of the application.

4 Consider the procedure described in "Adaptive Playout Delay" for estimating average delay di. Let r₁ - t₁ be the most recent sample delay, let r₂ - t₂ be the next most recent sample delay, and so on. For a given audio application, suppose three packets have arrived at the receiver with sample delays r₃ - t₃ , r₂ - t₂ , and r₁ - t₁ . Express the estimate of delay d in terms of u and the three samples.

5 This chapter describes several FEC schemes. Briefly summarize them . Both schemes increase the transmission rate of the stream by adding overhead. Does interleaving also increase the transmission rate?

6 Compare the procedure described in "Adaptive Playout Delay" for estimating average delay with the procedure in Chapter 3 ("Estimating the Round-Trip Time") for estimating round-trip time. What do the procedures have in common? How are they different?

7 Is it possible for a CDN to provide worse performance to a host requesting a multimedia object than if the host has requested the object directly from the distant origin server? Please explain.

8 Compare and contrast RTSP and HTTP used for multimedia applications.

9 Summarize how the token buckets and WFQs can be used together to provide policing mechanisms.

Reference no: EM13526978

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