Evaluation of Frame Transmission Delay in Network Interface Cards

The method is proposed for evaluating a delay of information transmission by network adapters in the computer networks, built according to Ethernet technology, as one of components of the network response time. The evaluation was conducted as measurement of the round trip time of the frame passage in forward and reverse directions between the source computer and the destination computer connected with a crossover cable. In this case, the time of the similar frame passage using the IP address 127.0.0.1 has been taken into account, which excludes the frame transmission using the network adapter into the segment of the network. This method requires no special equipment and is based on the modified software of network operating systems, due to which it is accessible for using by a system administrator on any hardware platform and with any operating system in corporate networks of different size.

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