| 摘要 |
The present invention relates to a method of route distribution for implementing multi-service optimization in Synchronous Digital Hierarchy Transmit Network, which comprise the following steps: A. dividing the SDH transmit network into subnets in term of rings to form a plurality of ring subnets, calculating initial routes of all services demand in the SDH transmit network; B. judging whether there are link resource overload between subnets and inside subnets respectively, if yes, recalculating the route; C. judging whether the load balance index is satisfied by ring subnet, if yes, performing route adjustment; D. after dividing the subnets into edge subnets and core subnets, judging whether the aggregative indicator of each link in the core subnets satisfies convergence condition, if no, checking whether the route calculation times exceeds the threshold, if yes, ending; otherwise, recalculating the corresponding routes. In allusion to the present invention, not only the least network resource be occupied and network load be balanced are obtained, but also the calculating efficiency of route distribution is increased in large scale network, and the approximate optimum solution is acquired, making multi-service optimization effect more stable and excellent. <IMAGE> |
