Method and independent communications subnet for determining label-switched routes a communications subnet of this type

摘要

A method and system are provided for determining label-switched routes between a source router and a target router of an independent communications subnet, over which information packets having a predetermined IP target address are to be transmitted. An independent communications subnet suitable for implementing the method as well as to routers used therein also is provided. In an embodiment, the label-distributing multi-protocol, hitherto only used in IP backbone networks, is coupled with an internal subnet route protocol that is used in independent communications subnets so as to be able to design a more efficient and faster routing of information packets over different route topologies in an independent communications.