Method, apparatus and system for implementing routing aggregation

摘要

The embodiments of the present invention disclose a method, apparatus and system for implementing routing aggregation, which relate to communication field, and solve the problem that too many routings advertised on the DHCPv6 relay agent leads to huge number of routing table entries of the backbone network. The technical solution of the present invention comprises: sending a message to a dynamic host configuration protocol DHCPv6 relay agent, such that the DHCPv6 relay agent generates an aggregation routing of requesting router prefix routings according to the message; wherein the message comprises information about a prefix pool which assigns address prefixes to the requesting routers access to the DHCPv6 relay agent or aggregation routing destination address information generated according to the information about the prefix pool. The method, apparatus and system for implementing routing aggregation may be applied in DHCPv6 network constructions.

主权项

1. A method for implementing routing aggregation, comprising:
sending, by a Dynamic Host Configuration Protocol version 6 (DHCPv6) server, a message to a DHCPv6 relay agent, wherein the DHCPv6 relay agent comprises one of a plurality of DHCPv6 relay agents, the aggregated routing destination address information is generated according to information about a prefix pool by the DHCPv6 server, wherein the prefix pool comprises a plurality of address prefixes and is divided into a plurality of parts which are assigned to the plurality of DHCPv6 relay agents, the prefix pool is shared by a plurality of requesting routers under the plurality of DHCPv6 relay agents, such that the DHCPv6 relay agent generates an aggregated routing of requesting router prefix routings according to aggregation routing destination address information in the message; wherein the aggregated routing destination address information comprises information about an aggregated prefix of address prefixes in a part, which is assigned to the DHCPv6 relay agent, of the prefix pool, and wherein the requesting router prefix routings comprise routings with address prefixes of requesting routers under the DHCPv6 relay agent as destination addresses, and the aggregated routing of requesting router prefix routings comprises a routing with the aggregated prefix as a destination address.