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Network emulators are powerful tools that allow to test and characterize network equipment and protocols. The market offers several measurement solutions. The most widely adopted are software network emulators and among them surely free or open-source emulators are the most used especially in research contexts. Unfortunately, software network emulators are not distributed with technical support and...
One cannot think of living in this world without Internet which one has to visit everyday for e-mail checking, booking air ticket, purchasing items from online stores etc. A client server environment can be compared to Internet access by users. Where the services are hosted on web server and users are considered as clients. Anyone who visits a web site wants a reasonably good response time. But due...
Performance testing of a multi-tiered Web application in real WAN is not a trivial job. In this circumstance a tool which brings WAN cloud to a local area network makes the life of a developer/tester easier. However, mere emulation of WAN inside a LAN does not help a tester, unless he gets to know the performance of the applications in some numbers. Therefore, he needs to put a monitoring tool in...
Quality of Service (QoS) of a network has become the core research area in a computer communication field. Normally researchers will be using simulation software to carry out their research works. However, it is found that simulation software has its own limitations as it does not really reflect the actual network environment. Thus, most research and development works now are exploiting emulation...
Software developers are never exposed to production networks which is mostly Wide Area Network (WAN) during the development and unit test cycle. This leads to poor performing applications in production. Often the reason for such poor performance is attributed to the network. Hence it is important for the developers to know the behavior of their applications on various types of networks users will...
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