EnterpriseNetworkingPlanet: Upstream Provider Woes? Point the Ping of Blame

“Your users are complaining that ‘the Internet is, like, all
slow.’ Users are always complaining, but you’re seeing a lot of
timeouts when you check mail, surf the Web, or try to log in for
remote administration. Or even worse, latency is so bad that you
keep getting killed all to heck in your favorite gory violent
online multi-player game, so you know there is a problem. But there
a lot of potential bottlenecks between your PC and the outside
world, like your Internet gateway, proxy server, firewall, Internet
service provider, and so forth, so where do you begin…?”

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