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Ross W Callon, Radia J Perlman, Eric C Rosen, John Harper: Multiple protocol routing. Digital Equipment Corporation, Fish & Richardson, October 5, 1993: US05251205 (339 worldwide citation)

A method for connecting a network so that TCP/IP and OSI 8473 packets may be routed in the same domain. The independence of the addresses is maintained: one device in the network may be assigned only a TCP/IP address, and another device may be assigned only a ISO 8473 address. Furthermore, all of th ...


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Douglas M Crockett, Eric C Rosen, Mark Maggenti: Method and an apparatus for adding a new member to an active group call in a group communication network. Qualcomm, Philip Wadsworth, Robert O Connell, John Ciccozzi, March 29, 2005: US06873854 (168 worldwide citation)

A method and apparatus for adding a member to an active call in a group communication network provides for receiving a member list from a user and sending a request to a server to add the member list to the active group call. The method and apparatus further provides for announcing each member in th ...


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Douglas M Crockett, Eric C Rosen, Mark Maggenti: Method and an apparatus for terminating a user from a group call in a group communication network. Qualcomm, Philip R Wadsworth, Robert J O&apos Connell, Abdollah Katbab, August 24, 2004: US06781963 (148 worldwide citation)

A method and apparatus for terminating a member from a group call in a group communication network provides for receiving an indication from a user who wishes to terminate participation in a group call and sending a request to a server to terminate the user from the group call. The method and appara ...


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Douglas M Crockett, Eric C Rosen, Mark Maggenti: Communication device for joining a user to a group call in a group communication network. Qualcomm Incorporated, Philip R Wadsworth, Robert J O Connell, John L Ciccozzi, May 24, 2005: US06898436 (81 worldwide citation)

A method and apparatus for joining a user to a call in a group communication network provides for receiving an indication from a user who wishes to initiate a group call and sending a request to a server to add the user to the group call if the group call is in progress. The method and apparatus als ...


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Eric C Rosen: Method and apparatus to properly route ICMP messages in a tag-switching network. Cisco Technology, Cesari and McKenna, January 8, 2002: US06337861 (62 worldwide citation)

A tag-switching router on a tag-switching network properly generates and forwards an ICMP message when an input packet containing a faulty tagged IP datagram is received. The faulty IP datagram includes source and destination IP addresses and is prepended with a tag stack containing a top tag entry ...


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Eric C Rosen, Yakov Rekhter: Shared communications network employing virtual-private-network identifiers. Cisco Technology, Cesari and McKenna, December 11, 2007: US07307990 (53 worldwide citation)

A service provider's routers (PE1, P1, P2, PE2) provide connections between and share routing information with routers (CE1, CE2) of a customer virtual private network (VPN) as well as routers of other customers' VPNs, which may have overlapping address spaces. A service provider's edge router (PE1) ...


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Yakov Rekhter, Eric C Rosen: Router for virtual private network employing tag switching. Cisco Technology, Cesari and McKenna, May 6, 2008: US07369556 (44 worldwide citation)

A service provider's routers (PE1, P1, P2, PE2) provide connections between and share routing information with routers (CE1, CE2) of a customer virtual private network (VPN) as well as routers of other customers' VPNs, which may have overlapping address spaces. A service provider's edge router (PE1) ...