A technique for detecting leaky points within a network...

Details A technique for detecting leaky points within a network... A technique for detecting leaky points within a network...

H - Electricity

04

L

H04L 12/26 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2298206

A mechanism for allowing a prober to detect and identify leaky points within a network protocol domain utilizes a Probe Boundary Leak (PBL) protocol to propagate a probe message throughout the network protocol domain. Each PBL router that receives the probe message checks for leaky points in the network protocol domain. Any PBL router that detects a leaky point in the network protocol domain sends a negative response message to the prober including a network address for each leaky point detected by the PBL router. A PBL border router within the network protocol domain being probed sends a positive response message to the prober including a network address for each exit interface supported by the PBL border router. The prober thereby receives a list of "leaky" network interfaces and a list of "non-leaky" exit interfaces for the network protocol domain.

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