The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2011
Filed:
Sep. 09, 1999
Sami Uskela, Espoo, FI;
Aapo Rautiainen, Espoo, FI;
Eva-maria Leppänen, Espoo, FI;
Lucia Tudose, Espoo, FI;
Mari K. Nieminen, Espoo, FI;
Sami Uskela, Espoo, FI;
Aapo Rautiainen, Espoo, FI;
Eva-Maria Leppänen, Espoo, FI;
Lucia Tudose, Espoo, FI;
Mari K. Nieminen, Espoo, FI;
Eight Esemay DE L.L.C., Dover, DE (US);
Abstract
According to the present invention a method and an apparatus in a packet-switched network for supplying data packets to receivers (-) belonging to a multicast group are disclosed. The apparatus comprises a routing means () for receiving data packets from a sender () and for buffering data packets the destination address of which is a multicast address of a multicast group. The apparatus further comprises a control means () communicating with the routing means () for determining the addresses of the receivers (-) of the multicast group indicated by the multicast address and receiver-specific parameters, for designating filters for each receiver (-) and/or each determined receiver address in accordance with the receiver-specific parameters and for supplying the determined addresses and designated filters to the routing means (). The routing means () filters the multicast data packets and/or the determined addresses with the designated filters for each receiver (-) of the multicast group and supplies the filtered multicast dam packets to the filtered receiver addresses.