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TESTIMONIAL
" We have found the Anue Network Simulator to be a very effective tool for our virtual concatenation testing. We highly recommended it! "
-Mark Watkins
Agere Systems
Agere Systems
White Paper
Network Applications: Ensuring Performance and
QoE with Network Emulation
If you’re like most organizations in today’s network-centric world, you need to ensure that your applications run properly over private and public Wide Area Networks (WANs). This is particularly challenging for those applications that are sensitive to network conditions, such as real time transactions, enterprise storage, streaming media, IPTV and VoIP.
The only way to have confidence that a given application (or solution, or service) will operate with acceptable performance once it is deployed is to test it under expected - and maybe unexpected - production network conditions prior to deployment. Conditions such as latency, bandwidth limitations, bit errors, dropped packets, and packet jitter all impact application performance. Fortunately, knowing how your application functions in the presence of these actual and unfavorable conditions is possible using an emulated network environment.
This type of environment can be created in a lab using a network emulator. Network emulators are hardware devices that can duplicate network conditions under user control, allowing you to precisely control the amount of errors, delay and other impairments that you add to network traffic. With their ability to vary delay times and emulate Quality of Service (QoS) metrics, network emulators are superior to the alternative of using spools of fiber to characterize long-haul network behavior. With their accuracy and ability to function at full line rate, hardware based network emulators outperform software simulation tools for validating network applications.
When using a network emulator, however, knowing the appropriate combinations and variations of delays and impairments to emulate is not easy. This white paper is a “How to” guide for getting started. The goal is to equip network managers with the knowledge they need to run their critical networked applications in an “emulated” environment in order to establish, maintain and optimize the performance and availability of these solutions.