A novel synchronization mechanism synchronizes delivery of data packets over on-demand links of a computer network in a manner that efficiently utilizes those links. The mechanism comprises control information generated by a source node and stored in a network layer header of a data packet transmitted...http://www.google.co.uk/patents/US5596574?utm_source=gb-gplus-sharePatent US5596574 - Method and apparatus for synchronizing data transmission with on-demand links of a network
