Anybody a Network genious and wants to help me?

8 replies
Found 5th Dec 2008
I don't usually do this kind of thing but I have got a bit behind and I am getting confused and stressed about my assignment. It has got to be in by next Thursday but I want to get it done over the weekend if possible.

Now, I am not asking someone to do it for me, unless they really want too, just looking for help with it.

The assignment I have been set was:

Set up a network in OPNET, get the results and then discuss the results and say why the network is rubbish. I then have to improve the network.

I have set it all up and got the results but I don't really understand what they mean and what I can say about them.

Results include:

Database Query - Response Time
Video Conferencing - End-to-End Delay
Voice - End-to-End Delay
Utilisation
and more!

If anyone thinks they could be of help I would greatly appreciate it!

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8 Comments

They mean the network is rubbish!!

I can give you some Video Conferencing specifics, and the VOIP traffic if you tell me more than above

Original Poster

bazzaric;3671818

They mean the network is rubbish!!I can give you some Video Conferencing … They mean the network is rubbish!!I can give you some Video Conferencing specifics, and the VOIP traffic if you tell me more than above



I know the end-to-end delay for voice & video is meant to be at max 0.25 seconds.

This is an example graph I have:

i36.tinypic.com/2ih…png

I don't really know what I should say about it though. All I can think of is:

"As more packets get sent, the longer it takes for each packets to get sent" but I don't even know if that is correct :?

I am probably not making any sense either so I apologies in advanced.

If you go to the Ebay community groups and then to 'Ex Computer Users help for the Less Experienced' you should get all the help you need.

Hodson;3671891

I know the end-to-end delay for voice & video is meant to be at max 0.25 … I know the end-to-end delay for voice & video is meant to be at max 0.25 seconds.This is an example graph I have:http://i36.tinypic.com/2ihs8xu.pngI don't really know what I should say about it though. All I can think of is:"As more packets get sent, the longer it takes for each packets to get sent" but I don't even know if that is correct :?I am probably not making any sense either so I apologies in advanced.



From that graph I suppose you could talk about congestion, packet delay, line utilisation, collisions. Depending on ow advanced the course is you might want to talk about the various layers of the network protocol and how they might be effecting the packet transmission speed.

Original Poster

thesummerof69;3672103

If you go to the Ebay community groups and then to 'Ex Computer Users … If you go to the Ebay community groups and then to 'Ex Computer Users help for the Less Experienced' you should get all the help you need.



I don't have an eBay account so I don't think I can join it.

Original Poster

MoneySavingG;3672289

From that graph I suppose you could talk about congestion, packet delay, … From that graph I suppose you could talk about congestion, packet delay, line utilisation, collisions. Depending on ow advanced the course is you might want to talk about the various layers of the network protocol and how they might be effecting the packet transmission speed.



You've given me a few ideas I hadn't thought about there :thumbsup:

I think you are missing things like 'packet loss' 'latency' and 'jitter', which will all be side effects of your network. Obviously you can apply Quality of Service, with video being the highest priority (in my opinion as a Video Conferencing person), because of the time sensitive nature of the traffic.

bazzaric;3672371

I think you are missing things like 'packet loss' 'latency' and 'jitter', … I think you are missing things like 'packet loss' 'latency' and 'jitter', which will all be side effects of your network. Obviously you can apply Quality of Service, with video being the highest priority (in my opinion as a Video Conferencing person), because of the time sensitive nature of the traffic.



Who do you work for in Abz? I used to work for Shell, then CC when we got outsourced? just usually IT in Abz quite a small world....

Nikki
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