CourseLover

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    Devry University
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Category > Computer Science Posted 25 Dec 2017 My Price 10.00

Why would receiver need an extra timer

1. A sender on a TCP connection that receives a 0 advertised window periodically probes the receiver to discover when the window becomes non zero. Why would the receiver need an extra timer if it were responsible for reporting that its advertised window had become nonzero?

2. 

 Consider a simple UDP-based protocol for requesting files (based somewhat loosely on the trivial file transport protocol). The client sends an initial file request, and the server answers(if the file can be sent) with the first data packet. Client and server then continue with a stop and wait transmission mechanism.

a. Describe a scenario by which a client might request one file but get another you may allow the client application to exit abruptly and be restarted with the same port.

b. Propose a change in the protocol that will make this situation much less likely.

Answers

CourseLover
(12)
Status NEW Posted 25 Dec 2017 01:12 PM My Price 10.00

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