Large-scale computer network diagrams

sspiegler · Sep 9, 2014

Hi all,

I am a student taking the second part of a course in computer networks. Our assignment is to analyze a large scale corporate or governmental topology. I am trying to locate examples of such large scale projects (eg, a gov't organization like the FBI or a corporate entity like the NFL) and my google searches have not been fruitful, hence my reaching out to you.

Might you know whether there is such information available to the public, so that I can make a presentation to my class?

Many thanks, Scott

bill001g · Sep 10, 2014

Cisco site has many many examples of network layouts.

Still in the real world almost nobody actually runs their own circuits anymore. It has all been outsourced to the large telcos. You no longer buy a circuit say from atlanta to chicago. You just but a connection to the telcos MPLS network and they handle all the connectivity between the sites.

A network diagram for most companies would be all the location you have drawn with a line to a MPLS cloud that "magcally" allows communication between all the locations. Behind the scenes of course there are lots of point to point links and routers but the telco will seldom give you anything in great detail.

The only place I even see point to point links being put in are smaller countries that the telco is not large enough yet to offer a managed service platform.

They pretty much force you price wise into using a MPLS network. When you can get a manged service with more bandwidth than you can if you buy the circuits directly yourself it tends to be a dead issue unless you happen to need a circuit to pass legacy phone traffic or something.

So draw a big cloud and write MPLS on it and connect all the sites to it and you have what most large companies are doing

sspiegler · Sep 10, 2014

I appreciate what you are saying, but I still don't have an example of large-scale organizational diagrams. I'd still appreciate be pointed at some of those. Thanks.

bill001g :

Cisco site has many many examples of network layouts.

Still in the real world almost nobody actually runs their own circuits anymore. It has all been outsourced to the large telcos. You no longer buy a circuit say from atlanta to chicago. You just but a connection to the telcos MPLS network and they handle all the connectivity between the sites.

A network diagram for most companies would be all the location you have drawn with a line to a MPLS cloud that "magcally" allows communication between all the locations. Behind the scenes of course there are lots of point to point links and routers but the telco will seldom give you anything in great detail.

The only place I even see point to point links being put in are smaller countries that the telco is not large enough yet to offer a managed service platform.

They pretty much force you price wise into using a MPLS network. When you can get a manged service with more bandwidth than you can if you buy the circuits directly yourself it tends to be a dead issue unless you happen to need a circuit to pass legacy phone traffic or something.

So draw a big cloud and write MPLS on it and connect all the sites to it and you have what most large companies are doing

bill001g · Sep 10, 2014

There are a ton of examples in google. All you do is search enterprise network diagram and look at images.

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Large-scale computer network diagrams

sspiegler

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bill001g

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sspiegler

Reputable

bill001g

Titan

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