On 18 January 2012 16:52, C. Falconer <[email protected]> wrote:
> Steve Holdoway wrote, On 01/18/2012 04:17 PM: > > >> I know that some DC's use slow connections to restrict throughput, but I >> do worry when I see 10Mbit these days. This could easily get flooded >> with a sender using 1 or possibly 2 orders of magnitude faster >> connections ( as an example, I migrated a website from my dev site in >> chch to London, and I was transferring at sustained rate of 3.8MB/s - >> nothing huge, but triple your server's bandwidth ). >> >> Given that there's no flow control available with UDP ( U = unreliable >> yeah??? ), I expect, as Jim says, that it's just plain congestion. >> >> I agree with Steve - smells like a link that gets busy now and again, > and you're seeing congestion. > > We (almost) never put voice over the bare-naked internet for this reason. > > Talk to your DC about a guaranteed CIR, or lay in a dedicated circuit to > the DC rather than getting hosted net access. To monitor your network www.ntop.org and to find vulnerabilities which might be allowing unauthorised traffic to clog you network you might find nessus or nmap to be of help http://nessus.org http://nmap.org You might find the Back Track toolkit useful too http://www.backtrack-linux.org Must return to Dachshund profile now. Have fun. -- Sincerely, Christopher Sawtell
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