Apparatus and a method for reporting the error of each level...

Details Apparatus and a method for reporting the error of each level... Apparatus and a method for reporting the error of each level...

2007-07-03

2011-12-27

Lohn, Joshua (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S004100, C714S047100

Reexamination Certificate

active

08086908

ABSTRACT:
The invention provides methods and devices for reporting and parsing the errors of a packet based on IPSec protocol family in a communication network. Concretely, the reserved field in ICMP security failure message is used to denote the error type at the second level of the error in the packet. With the aid of the solution provided by the invention, it is possible to report the error types for a tunnel packet which has an error in detail. And the source termination device can ascertain the error types of a tunnel packet, so as to eliminate the error.

REFERENCES:
patent: 6816455 (2004-11-01), Goldberg et al.
patent: 2002/0163920 (2002-11-01), Walker et al.
patent: 2003/0200456 (2003-10-01), Cyr et al.
patent: 2004/0163016 (2004-08-01), Kim
patent: 2006/0036906 (2006-02-01), Luciani et al.
patent: 2007/0088974 (2007-04-01), Chandwani et al.
patent: 1585351 (2005-02-01), None
patent: 4361440 (1992-12-01), None
patent: 2003-0097208 (2003-12-01), None

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