Abstract: A method is disclosed for Simple Network Management Protocol (SNMP) bulk information processing. A request for a plurality of object instances stored in a storage space is received. The request specifies a condition and a maximum number of repetitions. The values of one or more object instances of the plurality of object instances are retrieved. The retrieval of object instance values is terminated when the condition is satisfied even though the maximum number of repetitions is not reached. For example, the condition may be specified by one or more pairs of Object Identifier (OID) values, wherein each pair is represented by a starting OID value and an ending OID value. In this example, the condition is satisfied when an OID value of an object instance that is retrieved is not lexicographically between the starting OID value and the ending OID value of any pair of the one or more pairs.

Abstract: Automatically re-authenticating a computing device seeking access to a network or a resource. A method comprises forwarding a request received from the computing device to an authentication device to enable the authentication device to authenticate the computing device using a full-authentication mechanism. State information related to authenticating the computing device is created from authenticating the computing device. The state information is received and stored. For example, an authenticator device that forwarded the initial authentication request from the computing device to the authentication device receives and stores the state information. The computing device is re-authenticated using the stored state information without again contacting the authentication device.

Abstract: The invented method and apparatus include a transport mechanism for transporting a non-V.42, e.g. a V.14 or synchronous modem, data stream in a modem relay connection utilizing the standard V.14 raw or character mode, the transport mechanism including a rate-control mechanism for substantially speed-matching the end-to-end flow of data. Preferably, speed-matching is based on a calculated effective data rate—which takes into account various character and link framing and compression overhead—rather than a physical layer rate. Rate-control methods include the use of receive not ready (RNR) to control data flow in a V.42 leg of a mixed non-V.42 and V.42 connection, a single leaky bucket technique and effective data rate-matching. Also proposed is a lossless compression mechanism (e.g. run-length encoding (RLE)) for encoding a data bit stream into modem relay packets. An auto-detection method on the non-V.

Abstract: A system and method is provided for authenticating access in a mobile wireless network. The system and method comprise exchanging an extensible authentication protocol (EAP) packet with an access terminal over a high rate packet data radio link and a signaling interface through a radio access network, encapsulating the EAP packet in an authentication authorization and accounting (AAA) packet, and sending the AAA packet to an authentication server for authentication.

Abstract: Methods, systems and apparatus for billing network usage in a network are provided. Statistics of subscribers' network usage and subscriber information are transmitted from a plurality of First Hop Multicast Routers (FHMRs) to a Net Flow Collection Server (NFCS). The NFCS consolidates the statistics received and subscriber information into a report. Thereafter, a Billing Module (BM) prepares subscribers billing information based on the report and policies configured on the BM. Advantageously, subscribers are charged based on their individual network usage.

Abstract: An architecture for a line card in a network routing device is provided. The line card architecture provides a bi-directional interface between the routing device and a network, both receiving packets from the network and transmitting the packets to the network through one or more connecting ports of a network interface. A high priority buffer and a low priority buffer can be assigned to each port of the network interface. The network interface can perform packet prioritization through buffer selection based on priority. High priority packets will be transmitted to an ingress packet processor before low priority packets for a given port.

Abstract: Methods and apparatus for performing NAT are disclosed. Specifically, NAT is performed at a service provider network device associated with an interface of a service provider network. When a packet is sent from a VPN to a node outside the service provider network (e.g., to access a shared service), the packet includes a VPN identifier (or VRF identifier) In accordance with various embodiments, each packet includes an MPLS tag that includes the VPN identifier. The VPN identifier is stored in a translation table entry. The storing of the VPN identifier will enable a reply packet from the shared service network to the customer VPN to be routed using a routing table identified by the VPN identifier.

Abstract: A template listing one or more associated tasks is distributed to one or more devices, each device having a respective user. A task is selectively designated as either shared or individual. When information indicating that an action associated with a particular task has been performed is received at a first one of the devices, the template is updated at the first device, and optionally at others of the devices to indicate to others of the users that the action has been performed. The associated action of a shared task is performed once for all users, and the associated action of an individual task is performed separately by one or more of the users. Task information is optionally communicated between a template on a particular one of the devices and a personal information manager of the respective user of a particular device.

Abstract: A method and system for data link layer address classification. Data link layer address information is received from a device over a local area network (LAN), wherein the LAN is partitioned into a plurality of domains. The data link layer address information is classified as being associated with a domain of the plurality of domains based on a source address of the device. The data link layer address information is assigned to the domain.

Abstract: Methods and apparatus for providing request compatibility in a multicast system are disclosed. In one aspect, a layer 2 switch is configured to receive traffic requests from a group of receivers, determine whether the traffic requests contain incompatible request types. If incompatible request types exist, then the switch may separate the traffic requests into groups based on type, and send the requests of different types to a router from distinct addresses.

Abstract: In one embodiment, a method includes obtaining a first message that includes at least a first bandwidth request that specifies a first bandwidth and a second bandwidth request that specifies a second bandwidth. The first bandwidth is a preferential bandwidth. The method also includes determining whether the first bandwidth may be allocated, and storing the first bandwidth and the second bandwidth in a stored reservation state if the first bandwidth may be allocated. If the first bandwidth may not be allocated, the method includes determining whether the second bandwidth may be allocated. The second bandwidth in the stored reservation state if it is determined that the second bandwidth may be allocated. In one embodiment, if the second bandwidth may be allocated, the first bandwidth is removed during process prior to sending the message to a subsequent node upstream.

Abstract: Methods and apparatus for merging two or more networks are disclosed. In one embodiment, a first switch of a first network receives a second set of information including routing identifiers associated with a second network, wherein the first switch of the first network is connected to a second switch of the second network. The first switch of the first network transmits a first set of information including routing identifiers associated with the first network. The first switch determines whether a conflict exists between the second set of information and the first set of information. A conflicting one of the routing identifiers associated with the first or second network may be transitioned to a non-conflicting routing identifier according to the determination of whether a conflict exists between the first set of information and the second set of information, thereby enabling data to flow between the first network and the second network via a link between the first switch and the second switch.

Abstract: Methods of routing and switching a packet from an incoming link to an outgoing link of a router. In one example, the method includes assigning a destination queue to the packet, determining if the router is implemented in a scaled-down configuration, remapping the destination queue to one or more remapped destination queues, and storing the packet in the one or more remapped destination queues. In one embodiment, the method may also include requesting a packet from the destination queue, translating the request to the remapped destination queue, and transmitting the packet from the remapped destination queue.

Abstract: An access point of a wireless network broadcasts directory information including a schedule on a first broadcast channel about media programs being broadcast on other channels by the access point. The broadcast on the first channel provides for sleep-mode clients to receive the broadcast. A client receives the schedule, and in order to receive a particular media program at a scheduled time switches to a particular one of the other channels and to wakeup state to receive a particular program.

Abstract: Methods and apparatus provide formation and management of intelligent application clusters in a storage area network. Disk arbitration mechanisms ensure that a cluster is owned by a single member. In the event of a network partition, each cluster member involved arbitrates to gain ownership of a cluster. High availability mechanisms allow monitoring of system resources and effective failover capabilities.

Abstract: A method is disclosed for computing routing information for a data communications network comprising a plurality of nodes. The method comprises the step performed at a computing node of receiving from a remote node in the network a routing information update representing a change of state of the network. The method further comprises processing the update to identify a change of state type and setting, dependent on the change of state type, a delay interval after which routing information is to be computed from the update.

Abstract: A method and apparatus for determining information associated with a particular multicast channel in a multicast network are disclosed. In accordance with the method, a request message requesting information associated with the particular multicast channel is generated and sent to the multicast network. Further, the request message is propagated downstream in a recursive manner via a multicast topology of the multicast network. A response to the request message is propagated upstream via the multicast topology to generate a response message including requested information associated with the particular multicast channel. The information may comprise number of users receiving the particular multicast channel.

Abstract: The present invention provides an active/standby data center that avoids the delay associated with a cached DNS entry to switch from the active data center to the standby data center. When the active data center becomes unavailable, the standby data center advertises the same address as the primary data center so the change over occurs quickly. When the IP address of the primary data center is no longer visible to the standby data center, the standby data center begins to advertise.

Abstract: A telecommunication device includes a first interface coupled to the public switched telephone network (PSTN) in a first local calling area, a second interface coupled to a packet network, and a third interface coupled to a first plain old telephone system (POTS) telephony device. The device also includes a router that directs telecommunications between the first, second, and third interfaces and a gateway that enables telecommunications between the first POTS telephony device and the packet network. Furthermore, the device includes a processor that receives signaling from the first POTS telephony device indicating a desire to establish telecommunications with a second POTS telephony device coupled to the PSTN in a second local calling area and coupled to the packet network.

Abstract: A system and method are provided for capturing and transmitting frames in a video conference. The method comprises determining a frame rate and a shutter speed according to variable control data, capturing image data according to the determined shutter speed, and transmitting the captured image data through a communication interface to a remote video conference system. The variable control data specifies a relationship between the frame rate and the shutter speed.