This invention provides a method for connecting a mobile computer to a computer network by using an address server. The mobile computer connects itself to a network and requests an address server to represent it on the network. The address server accepts packets intended for the mobile computer and redirects...http://www.google.co.uk/patents/US5410543?utm_source=gb-gplus-sharePatent US5410543 - Method for connecting a mobile computer to a computer network by using an address server