Method and apparatus for generic application layer gateway

Details Method and apparatus for generic application layer gateway Method and apparatus for generic application layer gateway

2008-05-20

2008-05-20

Dalencourt, Yves (Department: 2157)

Electrical computers and digital processing systems: multicomput

Computer-to-computer data addressing

C709S227000, C709S229000, C709S230000, C370S465000, C370S466000

Reexamination Certificate

active

07376750

ABSTRACT:
Methods and apparatuses for a generic application layer gateway. By systematically examining each field in a message, tokens can be found that are likely to represent an IP address. Translation of those tokens can then be attempted. Certain fields that do not require translation are excluded from the process.

REFERENCES:
patent: 6886103 (2005-04-01), Brustoloni et al.
patent: 2002/0138622 (2002-09-01), Dorenbosch et al.
Communication Network (Fundamental Concepts and Key Architectures), Second Edition by Alberto Leon-Garcia (see chapter 8).
“A SIP Application Level Gateway for Network Address Translation”, B. Biggs, 3COM, Mar. 2000, Internet Draft, 8 pages.

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