Network Traffic Visualization

S. Dale Morrey sdalemorrey at gmail.com
Fri Feb 10 15:24:10 MST 2012


On Fri, Feb 10, 2012 at 3:16 PM, Corey Edwards <tensai at zmonkey.org> wrote:
> On 02/08/2012 02:29 PM, Daniel C. wrote:
>> Hey all,
>>
>> I'm taking a class on data visualization.  For my final project I plan
>> to write a piece of software that will create a visualization of
>> network traffic.  Ideally, this will be something that's genuinely
>> useful to network admins.  To get started, I've got a few questions:
>>
>> - What problems do you have that a visualization tool could help
>> solve?  Are they fairly concrete (i.e. "I need to monitor all traffic
>> to port X on machines Y-AF") or something more... heuristic (for lack
>> of a better word), such as keeping an eye on overall traffic trends
>> and using your experience in looking at the pretty pictures to spot
>> when something unusual is happening?
>
> I've got the tools to see what's happening at any point in time, but I
> would love to be able to compare graphs. How does this week compare to
> 12 weeks ago or last year? How do these 5 circuit compare to each other?
> How quickly are they growing, both compared to themselves and others?
>
> I can give you a specific example that happened just this week. One of
> my circuits went from 35mbps to 15mbps due to a traffic adjustment of my
> peer. It took a week before my coworker discovered the change and we
> were able to rearrange our bandwidth to compensate. While it's true we
> could have done a better job of watching all those graphs, having a tool
> that would highlight those sort of changes would be ever so helpful.

*cough* Nagios *cough*


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