Denise Newell

Desci 4463

Assignment 3

Chapter 7

1.a. s=.2 n=4 d=.001 h=16 p=1024 l=3200 b=9600

setup = .2

first bit arrives = .004

additional time to last bit arrives = .33333

acknowledgement = .00567

Total .543

2.a. 2 hops average path length is 2

c. 1 hop

3. Layer 2 flow control regulates total flow of data between DTE and DCE

Layer 3 flow control regulates flow over a single vertical circuit.

4. The virtual circuit number only has local significance (no global management of numbers).