Method and apparatus for generating a network topology representation based on inspection of application messages at a network device

Method and apparatus for generating a network topology representation based on inspection of application messages at a network device

A method is disclosed for generating a network topology representation based on inspection of application messages at a network device. According to one aspect, a network device receives a request packet, routes the packet to the destination, and extracts and stores correlation information from a co...

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Hauptverfasser: Raghavan, Kollivakkam, Anthias, Tefcros, Van Oleson, Parley, Potti, Sunil, De Datta, Raj, Cho, Stephen
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Sprache:eng
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creator Raghavan, Kollivakkam
Anthias, Tefcros
Van Oleson, Parley
Potti, Sunil
De Datta, Raj
Cho, Stephen
description A method is disclosed for generating a network topology representation based on inspection of application messages at a network device. According to one aspect, a network device receives a request packet, routes the packet to the destination, and extracts and stores correlation information from a copy of the request packet. When the network device receives a response packet, it examines the contents of a copy of the response packet using context-based correlation rules and matches the response packet with the appropriate stored request packet correlation information. It analyzes recorded correlation information to determine application-to-application mapping and calculate application response times. Another embodiment inserts custom headers that contain information used to match a response packet with a request packet into request packets.
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title Method and apparatus for generating a network topology representation based on inspection of application messages at a network device
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