?
Solved

Assignment Question

Posted on 1998-11-09
5
Medium Priority
?
469 Views
Last Modified: 2008-03-17
As a possible congestion control mechanism in a subnet using virtual circuits internally, a router cou1d refrain from acknowledging a received packet until (1) it knows its last transmission along the virtual circuit was received successfully and (2) it has a free buffer.  For simplicity, assume that the routers use a stop-and-wait protocol and that each virtual circuit has one buffer dedicated to it for each direction of traffic.  If it takes T sec to transmit a packet (data or acknowledgement) and there are n routers on the path, what is the rate at which packets are delivered to the destination host?  Assume that transmission errors are rare, and that the host-router connection is infinitely fast.
0
Comment
Question by:cbgold
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
5 Comments
 
LVL 2

Accepted Solution

by:
G0LIATH earned 200 total points
ID: 1012335
T*n+1
0
 
LVL 2

Expert Comment

by:G0LIATH
ID: 1012336
Oops I mean
2T*n+T
0
 
LVL 12

Expert Comment

by:mark2150
ID: 1012337
Don't do his homework for him!

M

0
 

Author Comment

by:cbgold
ID: 1012338
I like discussion only.  If you can create an wrong answer that can convince me, you will be a real expert instead of just criticizing on others.  

Besides, do you think that this answer can hand on to the teacher???  ----  very old assignments without answer ....
0
 
LVL 2

Expert Comment

by:G0LIATH
ID: 1012339
A packet is sent from A to B = 1T
B acknowledges reciept       = 1T
A can now send another packet or one packet every 2T
So from computer 1 to computer 2 is 2T times the # of routers n plus T from the last router to computer 2.
Computer 2 recieves the packet 2T*n+T seconds after Computer 1 starts sending.
0

Featured Post

Free learning courses: Active Directory Deep Dive

Get a firm grasp on your IT environment when you learn Active Directory best practices with Veeam! Watch all, or choose any amount, of this three-part webinar series to improve your skills. From the basics to virtualization and backup, we got you covered.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Great sound, comfort and fit, excellent build quality, versatility, compatibility. These are just some of the many reasons for choosing a headset from Sennheiser.
A clone is a duplicate copy. Sheep have been cloned and maybe someday even people will be cloned, but disk cloning (performed by the hard drive cloning software) is a vital tool used to manage and protect data. Let’s look at what hard drive cloning …
Michael from AdRem Software explains how to view the most utilized and worst performing nodes in your network, by accessing the Top Charts view in NetCrunch network monitor (https://www.adremsoft.com/). Top Charts is a view in which you can set seve…
How to fix incompatible JVM issue while installing Eclipse While installing Eclipse in windows, got one error like above and unable to proceed with the installation. This video describes how to successfully install Eclipse. How to solve incompa…
Suggested Courses
Course of the Month9 days, 6 hours left to enroll

764 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question