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layer 7 switch

Layer 7 switches, also called web switches, are far more intelligent than the purely transport-oriented Layer 4 switches. A layer-7 switch is a content switch that makes its switching decision based on the data content. Intelligent services can be supported with such a switch.

This is realized with layer-7 switches with the help of additional filter functions. In the case of web switching, these filter functions focus on the URL address and cookies.

Layer 4/7 switch with connection to server farm

Layer 4/7 switch with connection to server farm

The advantages are more flexible distribution of requests, higher server efficiency by filtering requests, separation of HTTP transactions running over a common TCP connection, and Differentiated Services( DiffServ) design for prioritization.

Englisch: layer 7 switch
Updated at: 03.03.2008
#Words: 107
Links: layer, switch, content switch, data, filter
Translations: DE

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