Question: Only do #4. Leture notes: (missed classed that day): Problems related to Circuit Switching 3 Problem Link with 4 circuits Link with 4 circuits Link
Only do #4.

Leture notes: (missed classed that day):


Problems related to Circuit Switching 3 Problem Link with 4 circuits Link with 4 circuits Link with 4 circuits Link with 4 circuits Figure 1: A circuit switched network with 4 nodes. Each link has 4 circuits. Consider the switched network shown in Figure 1 The nodes as labeled are A, B, C, and D. There are 4 . What is the maximum number of simultaneous connections that can be progress at any one time in 2. Suppose all the connections are between switches A and C. What is the maximum number of simul- circuits in each link. the network? taneous connection that can be in progress? 4 Problem In class we discussed Time Division Multiplexing and we discussed multiplexing synchronous sources that generate 8 bit samples every 125 usecs. A T1 link multiplexes 24 such sources. Other than the 24 slots in each frame has an additional 1 bit for synchronization. What is the data rate of a T1 link
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