Device for locally controlling one or more parameters of a connection to be set up, for an element of an ethernet communications network with a GMPLS control plan

摘要

A control device (D) for a node (LCR3) in an Ethernet communications network having a GMPLS control plan and through which node a connection for setting up is to pass, comprises control means (MC) arranged, in the event of said node (LCR3) receiving a connection setup message containing at least one first value representative of the sum since the beginning of said connection for setting up of the local values of an additive parameter as introduced in each of the preceding nodes (LCR3) in said connection, to determine a second value that is a function of said first value and of the local value as introduced by said node (LCR3), and then to compare said second value with a selected threshold so as to determine whether said connection can accept a maximum value for said additive parameter at said node, and to replace said first value in said received message with said second value as determined, at least when said connection can accept said maximum value.