Importance

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Abstract

It permits individual frames (OSI level 2 packets) to be classified into different priorities according to their content. It is based on the application of a set of rules and subrules for analysing the content of each frame and assigning a priority to the frame as a function of that analysis; and so with low cost it permits the construction of systems providing quality of service or classes of service as a function of any element of the packet: according to origin, destination, level three data stream, higher level applications, any kind of classification of higher level priorities (such as ToS of IP) and, above all, as a function of any standard or proprietary priorities protocol. Furthermore, it permits the design of different hierarchies of priorities in order to be able to assign one set of priorities or another according to situations (for example, one hierarchy for TCP packets and another different one for UDP packets).

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First Claim