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
Solved

n-Layer theroy question.... Wanted to check i am understanding the question

Posted on 2008-10-09
1
1,128 Views
Last Modified: 2012-08-14
A system has an n-layer protocol hierarchy. Applications generate messages of  length M bytes. At each of the layers, an h-byte header is added. Explain what fraction of the network bandwidth is filled with headers?


Am i correct in saying that the fraction of bandwith used depends on the amount of messages sent. As a header is added to each message that is sent & a header is added to every layer until it gets to  physical transmission.

Thanks
0
Comment
Question by:Vao
1 Comment
 
LVL 3

Accepted Solution

by:
tdor earned 500 total points
ID: 22682627
Hello Vao,

As the packages go from the top layer to the physical the size of the actual package increases for each layer with a h header
the % of the bandwidth used by the headers*layers addons will always be the same
(only the _absolute_ number of bites represented by the headers*layers addons will vary as the _absolute_ number of packages varies)


Answer: n*h/(m+(n*h))
http://condor.depaul.edu/~jkristof/1999Aut463/1999Aut463-MidtermExam.txt


Regards,

tdor
0

Featured Post

Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

Question has a verified solution.

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

Don’t let your business fall victim to the coming apocalypse – use our Survival Guide for the Fax Apocalypse to identify the risks and signs of zombie fax activities at your business.
Join Greg Farro and Ethan Banks from Packet Pushers (http://packetpushers.net/podcast/podcasts/pq-show-93-smart-network-monitoring-paessler-sponsored/) and Greg Ross from Paessler (https://www.paessler.com/prtg) for a discussion about smart network …
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
Get a first impression of how PRTG looks and learn how it works.   This video is a short introduction to PRTG, as an initial overview or as a quick start for new PRTG users.

837 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