NETWORK ADDRESS AND/OR PORT TRANSLATION

Title:

NETWORK ADDRESS AND/OR PORT TRANSLATION

Document Type and Number:

WIPO Patent Application WO2002103460

Kind Code:

A3

Abstract:

A method and apparatus for communicating data units (e.g., Internet Protocol or IP packets) between devices (22, 24, 36, 49) on one or more networks includes storing address and/or port translation information, and receiving a data unit having a source address and port and a destination address and port. Both the source and destination addresses and/or ports are translated, with the data unit containing the translated source and destination addresses and/or ports transmitted to a destination.

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Inventors:

MARCH SEAN W
SOLLEE PATRICK N
MCKNIGHT DAVID W

Application Number:

PCT/IB2002/003345

Publication Date:

September 18, 2003

Filing Date:

June 10, 2002

Export Citation:

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Assignee:

NORTEL NETWORKS LTD (CA)

International Classes:

H04L29/06; H04L29/12; (IPC1-7): H04L29/06

Domestic Patent References:

WO2001037510A2

2001-05-25

Other References:

MARSHALL W ET AL: "SIP Extensions for Caller Identity and Privacy", INTERNET ENGINEERING TASK FORCE INTERNET DRAFT, XX, XX, 20 May 2001 (2001-05-20), pages 1 - 24, XP002183794

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