APPARATUS FOR SELECTING OPTIMAL PACKET-TRANSMITTING PATH AND METHOD THEREFOR

摘要

An apparatus and a method for selecting an optimal packet transmission path are provided to prevent loss of packets and keep the sequence of the packets by minimizing the change of existing path when adding or deleting the path. A field value extraction unit(110) extracts a field value corresponding a specified field of a packet which comes into a packet processing system supporting multi paths. A selecting path existence checkup unit transmits the packet if the corresponded field exists. If the path not exists, a path calculator(130) calculates a prime number which not exceeds the available number of paths and assigns the rest which is obtained by dividing the hash value into the next hop index. A path selecting unit(140) selects a search value which is obtained by searching for a hop index table by using the next hop index as a new path.