Patent ID: 9397957
Filing Date: 2016-07-19
CPC Classification: H04L

Claim Text:
1. A method of traffic engineering in a computer network having a plurality of fabric blocks in communication with one another, the method comprising: grouping, by one or more processors, a plurality of middle blocks into a plurality of logical clusters, each of the plurality of logical clusters forming one of the plurality of fabric blocks and including at least two middle blocks; identifying at least one destination fabric block from among the plurality of fabric blocks; evaluating, in round-robin order, each destination fabric block of the plurality of fabric blocks; choosing in round-robin order, by the one or more processors, a single destination middle block MB selecting in round-robin order, by the one or more processors, a source fabric block FB identifying, by the one or more processors, a subset M of source middle blocks from among all middle blocks in the source fabric block FB selecting for use in a network path, by the one or more processors, one of the source middle blocks MB in which spf_capacity(MB