Utilizing multiple home links in mobile IPv6

This paper proposes an improved mechanism for keeping stable connections between mobile nodes and corresponding nodes in the mobile IPv6 protocol. The mobile IPv6 protocol enables mobile nodes to keep the reachability while they are moving freely in the Internet. Our new method has multiple home links instead of one single home link in the current specification of the mobile IPv6 protocol. The new method is based on our earlier idea of having multiple home agents. Multiple home agents can provide backups when a home agent is not working properly. However, all the home agents should reside on one single network segment according to the current specification of the mobile IPv6. This paper further extends our earlier idea of multiple home agents and proposes multiple home links. We have more stable connections by using multiple home links. This paper also shows a working example which illustrates the merit of multiple home links.