Patent ID: 8606937

Claim:
An information providing method, comprising: obtaining an Internet Protocol version 6 (IPv6) address or an IPv6 prefix of a client and a service type of the client; establishing a mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client; sending the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client to a Broadband Remote Access Server (BRAS), so that the BRAS dispatches and manages a service of the client according to the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client; wherein the sending the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client to the BRAS comprises: carrying the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client through an extended Dynamic Host Configuration Protocol for IPv6 (DHCPv6) protocol message, and sending the extended DHCPv6 protocol message to the BRAS; and wherein carrying the mapping between the IPv6 address or the IPv6 prefix of the client and the service type of the client through an extended DHCPv6 protocol message comprises: respectively carrying the IPv6 address or the IPv6 prefix of the client and carrying the service type of the client by adding two DHCPv6 options in the DHCPv6 protocol message, or carrying the IPv6 address of the client and the service type of the client by adding a DHCPv6 option in the DHCPv6 protocol message.