Data mirroring in a service

Details Data mirroring in a service Data mirroring in a service

2004-04-27

2009-02-03

Chan, Wing F (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S392000, C370S393000, C370S432000

Reexamination Certificate

active

07486674

ABSTRACT:
Data mirroring in a service such as a virtual private LAN service is disclosed. Data packets, segments, frames, or other forms of encapsulation may be mirrored off of a core network (e.g., IP, TCP) to one or more mirroring destinations without using a parallel network. Encapsulation techniques are provided that enable packets to be mirrored and transmitted across services such as VPLS, MPLS, and others to a mirror destination. Once received at the mirror destination, mirrored packets may be used for troubleshooting in a more efficient and less resource and time-consuming manner.

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Chuck Fraleigh et al, “Design and Deployment of a Passive Monitoring Infrastructure”, IWDC 2001 Proceedings, Lecture Notes in Computer Science vol. 2170, 2001, pp. 556-575, Berlin, Germany.

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