Network Performance Toolkit
Published 2007, Posted March 2007
Meet the Swiss Army knife for network and performance tasks! The NetPerformance.com calculator offers 10 different tools.
The most powerful and complex of these is the Latency Calculator. It models a client-server environment, where both client and server are attached to local area networks, and each network is attached to a router, where the client-side and server-side routers are attached through some kind of wide area link. To calculate latency times, the tool also lets you input arbitrary request and response sizes, and lets you set delays for the client itself. Then, for each of a pair of routers, you can set router latency, wide area link speed and distance, to model the WAN portion of the connection. On the server side, you can set Server Latency and response size. You can then click the Calculate button to produce response latency and request latency values, with accompanying pie charts to show how overall delay breaks across the various input values provided. You can also use the input data to produce a WAN bar chart that helps model variable data rates for frame relay or constant bit rates on T1 links.
Taken all together, this is a valuable tool for modeling network
latency and playing what-if games as values change. The other tools include
subnet and multicast address calculators, a link speed calculator, a decimal
to/from hex converter, an OUI lookup tool, and more.
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