Methods and arrangements in a packet switched network

摘要

The present invention concerns content searches in a distributed environment such as in an IPv6 network. This is achieved by deriving a multicast address from a string associated with the content to be searched. The searching party and the server owning the content use a common function for deriving this multicast address. The content owner listens to this multicast address and the searching party sends requests for the content on that multicast address.

主权项

1. A method in a server for publishing a content in a network supporting multicast, the method comprises the steps of:
storing the content; associating the content with at least one keyword string, said at least one keyword string describing the content in at least one aspect; and for each of the at least one keyword string:
associating the keyword string with a multicast address, wherein the step of associating the keyword string with a multicast address comprises:
applying a hash function to the keyword string to generate a series, and converting the series to the multicast address; andlistening to said multicast address to receive a request for the stored content on said multicast address.