Abstract: The system and methods described herein provided for automatically configuring a network port at a first network device with isolation parameter. A network device receives a network access message that includes network access parameters to be used when a second network device communicates with the first network device. The network device determines network isolation parameter based on the network access parameters to be used for a plurality of network packets received from the second network device. The network device determines whether the port of the network device is configured with the network isolation parameter, and, if not so configured, the network device automatically configures the port with the network isolation parameter.

Abstract: The system and methods described herein provided for automatically configuring a network port at a first network device with isolation parameter. A network device receives a network access message that includes network access parameters to be used when a second network device communicates with the first network device. The network device determines network isolation parameter based on the network access parameters to be used for a plurality of network packets received from the second network device. The network device determines whether the port of the network device is configured with the network isolation parameter, and, if not so configured, the network device automatically configures the port with the network isolation parameter.

Abstract: A system, method and computer program product are provided for delivering media content. The system includes at least one recipient that may be associated with at least one recipient rule. The system also includes a sending entity capable of transmitting a multimedia message addressed to the recipients. The sending entity can also specify delivery rules in the message. In this regard, the multimedia message includes media content. The system further includes a network entity capable of receiving the multimedia message and identifying any recipient rules, sending entity rules and/or network rules associated with the multimedia message. The network entity can then deliver the media content to the recipients based upon respective rules. The network entity can also be capable of processing the media content based upon the rules before delivering the media content, such as by transcoding or truncating at least a portion of the media content prior to delivery.

Abstract: An apparatus and method is provided for facilitating the seamless handoff of IP connections between access routers in an IP network. The mobile IP network includes two or more access routers each serving a different geographic service area. When a mobile terminal moves from the first service area to the second service area, the mobile terminal transmits to the second access router the IP address of the previous access router. The second access router uses this information to learn capabilities of the first access router (e.g., bandwidths supported, security schemes, and the like) for use in future handoff decisions, and exchanges capability information with the first access router. The assumption is made based on the exchanged information that the access routers are geographically proximate.

Abstract: A system, method and computer program product are provided for delivering media content. The system includes at least one recipient that may be associated with at least one recipient rule. The system also includes a sending entity capable of transmitting a multimedia message addressed to the recipients. The sending entity can also specify delivery rules in the message. In this regard, the multimedia message includes media content. The system further includes a network entity capable of receiving the multimedia message and identifying any recipient rules, sending entity rules and/or network rules associated with the multimedia message. The network entity can then deliver the media content to the recipients based upon respective rules. The network entity can also be capable of processing the media content based upon the rules before delivering the media content, such as by transcoding or truncating at least a portion of the media content prior to delivery.

Abstract: A system, method and computer program product are provided for delivering media content. The system includes at least one recipient that may be associated with at least one recipient rule. The system also includes a sending entity capable of transmitting a multimedia message addressed to the recipients. The sending entity can also specify delivery rules in the message. In this regard, the multimedia message includes media content. The system further includes a network entity capable of receiving the multimedia message and identifying any recipient rules, sending entity rules and/or network rules associated with the multimedia message. The network entity can then deliver the media content to the recipients based upon respective rules. The network entity can also be capable of processing the media content based upon the rules before delivering the media content, such as by transcoding or truncating at least a portion of the media content prior to delivery.

Abstract: A communications system and method are provided for handing over a call from a packet-switched network (e.g., IP network) to a circuit-switched network (e.g., PLMN, PSTN, etc.). The system includes a first terminal capable of communicating via a packet-switched network and a circuit-switched network, and a second terminal capable of communicating via a circuit-switched network. The system also includes a gateway capable of mapping communications between a packet-switched network and at least one circuit-switched network. The gateway can support communication between the first terminal and the second terminal such that the first terminal has a packet-switched connection with the gateway and the second terminal has a circuit-switched connection with the gateway. The first terminal can then establish a circuit-switch connection with the gateway.

Abstract: A method and apparatus for controlling handover between a first technology network and a second technology network by detecting information about regions of an area of the first technology network, and deciding whether to initiate a handover procedure between the first and second technology networks based on the detected region information.

Abstract: The present invention provides a relocation of content sources that provide media content to a mobile terminal (mobile node) when a network layer-level handoff occurs. The relocation of content sources enables the mobile terminal to seamlessly execute an application that utilizes the media content from a current content source before the handoff and from a new content source after the handoff. The mobile terminal registers with a current access router in order to inform the access router about application context information. The current access router informs a new access router about the impending handoff. The new access router consequently discovers the new content source.

Abstract: An apparatus and method is provided for facilitating the seamless handoff of IP connections between access routers in an IP network. The mobile IP network includes two or more access routers each serving a different geographic service area. When a mobile terminal moves from the first service area to the second service area, the mobile terminal transmits to the second access router the IP address of the previous access router. The second access router uses this information to learn capabilities of the first access router (e.g., bandwidths supported, security schemes, and the like) for use in future handoff decisions, and exchanges capability information with the first access router. The assumption is made based on the exchanged information that the access routers are geographically proximate.

Abstract: An apparatus and method is provided for facilitating the seamless handoff of IP connections between access routers in an IP network. The mobile IP network includes two or more access routers each serving a different geographic service area. When a mobile terminal moves from the first service area to the second service area, the mobile terminal transmits to the second access router the IP address of the previous access router. The second access router uses this information to learn capabilities of the first access router (e.g., bandwidths supported, security schemes, and the like) for use in future handoff decisions, and exchanges capability information with the first access router. The assumption is made based on the exchanged information that the access routers are geographically proximate.

Abstract: The present invention provides a relocation of an application-specific functionality for an application that a mobile terminal (mobile node) is executing. Entities that may provide application-specific functionalities that assist the application include a location-based server (that may be associated with a supplementary service provider functionality), a transcoder proxy, and a security gateway. The relocation of the application-specific functionality with a network layer-level handoff enables the mobile terminal to seamlessly execute an application that utilizes the media content from a content source that is supporting the mobile terminal before the handoff Subsequent to the handoff, the mobile terminal registers with a current access router in order to inform the current access router about application context information.

Abstract: A system and method for efficient QoS signaling for mobile IP using RSVP framework in which mobile nodes are connected to correspondent nodes via plurality of intermediate nodes. The method has the steps of: programming in the mobile node for data packets propagating upstream data from a mobile node to correspondent node via intermediate nodes; initiating in the mobile node a first PATH message for upstream data; sending the first PATH message from the mobile node to the correspondent node via the intermediate nodes; programming in the correspondent node for data packets propagating downstream data from the correspondent node to the mobile node via the intermediate nodes; initiating in the correspondent node a first RSVP message for downstream data; sending the first RSVP message from the correspondent node to the mobile node via the intermediate nodes; and thereafter sending REFRESH messages only between intermediate nodes.

Abstract: The present invention provides methods and apparatus for transmitting multicast data over a wireless channel. At least one wireless terminal requests a multicast service corresponding to at least one requested layer. A wireless infrastructure comprising a base station and a node determines a data rate that the at least one wireless terminal can receive reliably and correspondingly configures a multicast session for at least one layer. The node utilizes measurements provided by the wireless terminal. The node through the base station signals the wireless terminal about a link-level multicast address corresponding to a time slot for which the wireless terminal shall process packets. An associated point of attachment with a core data network controls a data flow from a multicast content source through the core data network in order to match the data rate over the wireless channel.

Abstract: In a GPRS core network, MPLS-based Label Switched Paths (LSPs) between Serving GPRS Support Nodes (SGSN) and Gateway GPRS Support Nodes (GGSN) are established for different types of traffic across the core network during a traffic engineering phase. The queuing and forwarding treatment offered to packets at internal nodes along these routes are based on DiffServ per-hop behavior (PHB) groups to which each packet is assigned at the edge of the core network, i.e., at SGSN or GGSN. In one embodiment of the invention, PDP messaging that occurs at the time of activation of PDP context can be used to assign the corresponding packet stream to particular LSP and PHB. When an MS changes serving SGSN due to mobility, it is only required to change the label mapping context at a GGSN, thereby allowing subsequent packets targeted to the MS to be routed to new SGSN.

Abstract: A method and system for routing messages between hosts while maintaining end-to-end location privacy are disclosed. In order to make routing more efficient, while maintaining location privacy, an encapsulation cache may be created in access routers that have a trust relationship with the respective home networks of the hosts. The encapsulation cache can be used to store home-address to care-of-address correspondences so that the access router, when a host is roaming, can route a message directly to the message's intended recipient, yet still maintain location privacy for the sending host by replacing the host's care-of address at the roaming network with the host's home address.

Abstract: The present invention provides methods and apparatus for transmitting of multicast data over a wireless channel. At least one wireless terminal requests a multicast service corresponding to at least one requested layer. A wireless infrastructure comprising a base station and a node determines a data rate that the at least one wireless terminal can reliably receive and correspondingly configures a multicast session for at least one layer. The node utilizes measurements provided by the wireless terminal. The node through the base station signals the wireless terminal about a link-level multicast address corresponding to a time slot for which the wireless terminal shall process packets.

Abstract: A shaper 201 and a scheduler 203 are combined to determine a target tree 203 and insert 207 a tag into a data structure, wherein the tag is associated with a packet that has reached the head of line (HOL) of a queue in a packet router. A tag may become an eligible tag and be placed in a set of tags to be searched. Such tags are searched for the smallest tag. A packet associated with the smallest tag is transmitted if the output link is available.

Abstract: A communications system and method are provided for handing over a call from a packet-switched network (e.g., IP network) to a circuit-switched network (e.g., PLMN, PSTN, etc.). The system includes a first terminal capable of communicating via a packet-switched network and a circuit-switched network, and a second terminal capable of communicating via a circuit-switched network. The system also includes a gateway capable of mapping communications between a packet-switched network and at least one circuit-switched network. The gateway can support communication between the first terminal and the second terminal such that the first terminal has a packet-switched connection with the gateway and the second terminal has a circuit-switched connection with the gateway. The first terminal can then establish a circuit-switch connection with the gateway.

Abstract: An apparatus and method is provided for facilitating the seamless handoff of IP connections between access routers in an IP network. The mobile IP network includes two or more access routers each serving a different geographic service area. When a mobile terminal moves from the first service area to the second service area, the mobile terminal transmits to the second access router the IP address of the previous access router. The second access router uses this information to learn capabilities of the first access router (e.g., bandwidths supported, security schemes, and the like) for use in future handoff decisions, and exchanges capability information with the first access router. The assumption is made based on the exchanged information that the access routers are geographically proximate.