Patent ID: 6542496
Filing Date: 2003-04-01
Classification: H04L

Abstract:
A packet switching apparatus comprising:two or more interfaces; a forwarding unit for relaying a packet received through one of said two or more interfaces according to a registered routing information for relaying particular packets; and a routing unit for computing a route according to information of said received packet and a parts-of-routing-information kept as a basis for route computation to produce said routing information, wherein when said forwarding unit receives a packet of which a destination is not registered in said routing information, said forwarding unit calculates a route on the basis of said parts-of-routing-information to relay said packet of non-registered destination according to said calculated route, and reports information of said packet of non-registered destination to said routing unit, and said routing unit produces a new routing information according to the information of said packet of non-registered destination reported to said forwarding unit and said kept parts-of-routing-information, and makes said new routing information be registered in said forwarding unit as said routing information for succeeding packets of the same destination.