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Re: [web-87] ISP speed monitoring software

From: nwhite
Sent on: Wednesday, April 2, 2014 1:47 PM
This is a really difficult issue to pinpoint accurately. It really depends on what your trying to measure. Is it a specific site? For more proper measurement your file you use to test should be at least 15-20mb in size.

Issues comes down to the nature of tcp/ip. Depending on your client (browser) it could be using  Nagle's Algorithm which would have an impact. This also gets extremely hard to quantify if the transport size is really small because of the overhead of the initial request and factors like keep-alive and cache control headers. Also with how routing works you need to quantify an exact testing location(s) and endpoint resource.

Other issues come into play when your targeting ISPs specifically. There are different burst rates for different content types. Lately its gotten more complex because ISP do some forms of content caching or content acceleration very similar to CDNs.

If you want to keep it simple measure latency with traceroute or dive in deeper and use a packet sniffer like wireshark.


On Tue, Apr 1, 2014 at 12:21 PM, Scott <[address removed]> wrote:

Does anyone have a favorite software for monitoring ISP speeds over time?

 

I need something that will generate reports that I can use to troubleshoot with the ISP (i.e. prove to the ISP that their claim that “everything looks good” is bogus).

 

Thanks,

 

Scott K. Saathoff

Adept Technology Solutions

3118 Appaloosa Ct

Fort Collins, CO[masked]

Land/fax:  [masked]

Cell:  [masked]

 





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