| 摘要 |
A method for allocating protection path resources including defining a working path 200 and obtaining a link vector for each of a plurality of protection paths is provided. The link vector includes a plurality of link vector elements. A proposed link vector is determined for each of the protection paths, which includes a plurality of proposed link vector elements and is indicative of allocating a respective protection path to the working path. A maximum link vector element and a maximum proposed link vector element are determined. A link cost is determined 214 based on a difference between the maximum proposed link vector element and the maximum link vector element. A path cost is determined 216 for at least two protection paths based on a sum of link costs associated with a respective protection path. One of the at least two protection paths having the minimum path cost is selected 218 to provide protection for the working path. |
