Patent ID: 9571383
Date: 2017-02-14
CPC Classifications: H04L,H04W

Claim:
1. A method of routing data frames in a telecommunications backhaul network, which includes a plurality of points and links between the points providing at least two different routes for communicating data frames between a first end point and a second end point, wherein the end points are configured to route data frames belonging to a communication tunnel between the first end point and the second end point on a first route including one or more intermediate points, at least some of the data frames including a continuity check message, and to reroute data frames belonging to the communication tunnel to a second route different from the first route in response to certain data frames including the continuity check message being lost in the network, the method comprising: switching at least one of the links of the first route to a reduced link capacity; and, in response to the switching, identifying a plurality of data frames that include the continuity check message and that are routed via the first route and dropping at least a portion of the identified data frames by at least one of the intermediate points of the first route, to trigger at least one of the first and second end points to perform a rerouting of data frames.