Patent ID: 8054839
Filing Date: 2011-11-08
Classification: H04L

Abstract:
1. A method for processing a stateful address auto-configuration protocol in an Internet Protocol version 6 (IPv6) network, the method comprising: multicasting, at an IPv6 host, a Router Solicitation (RS) message; acquiring and managing flag values of a Router Advertisement (RA) message received from at least one router; and setting an operation mode of a Dynamic Host Configuration Protocol-for-IPv6 (DHCPv6) client according to the flag values of the RA message, wherein the acquiring and the managing of the flag values comprises: constructing a flag table comprising entries according to the router, if one an M flag value and an O flag value of the RA message is true, determining whether an entry corresponding to the router is present in the flag table, if the entry corresponding to the router is not present, adding the corresponding entry to the flag table, and if the entry corresponding to the router is present, processing one of a first flag count and a second flag count based on information on the corresponding entry and one of the M flag value and the O flag value of the RA message.