Abstract: A cascade system of network units includes forwarding units which have external ports, a communication fabric connecting the units and at least one processing unit which needs no forwarding database. The processing unit may perform a security operation such as intrusion prevention or encryption. Each forwarding unit on receipt of a packet performs a look-up to determine an egress port, to determine whether the packet must be diverted to a processing unit, to provide the packet with a first forwarding instruction identifying the egress port uniquely within the system and a second forwarding instruction identifying a diversion port by which the packet can reach the processing unit and to set an order field which determines which of the forwarding instructions shall be performed first. The processing unit is operative on receipt of the packet by way of the diversion port to change the order field to specify that the packet should now be sent to the egress port.

Abstract: A Bluetooth-enabled computing device includes a user interface for displaying a prompt to specify a descriptive identifier for a network device prior to performance of a Bluetooth Device Discovery Routine, the descriptive identifier being different from Bluetooth Device Discovery Routine Identifiers. A system memory has entries including descriptive identifiers, each descriptive identifier corresponding to a network device pre-configured with a connection profile. A connection manager determines if a specified descriptive identifier is a match to any entry in the system memory and to implements a connection to a network device corresponding to a matching entry. Otherwise the connection manager performs a discovery routine to locate and establish a connection to at least one available network device corresponding to the specified descriptive identifier.

Abstract: A deterministic finite state machine organised for the detection of positionally significant matches of characters in a string of characters examines each character in turn to determine a exit transition for a current state of the machine to another state The machine responds to an examination of the string of characters by executing in response to a first character at the commencement of the string a transition from an initial state to another state. The machine has at least one state for every character position, includes a exit transition from each state for each character to another state; and possesses only forward exit transitions each from any of the states whereby the current state of the machine unambiguously represents a count of the number of characters from the commencement of the string. The machine may include at least one match state which indicates that all character matches in the string required by at least one respective rule have been detected.

Abstract: An apparatus includes: a logic circuit with electronic memory to: monitor signal traffic with at least one client and a computer network to determine, without changing the signal traffic, for each client, a network address and a port to which that client is connected; provide to a first dynamic table the network address and port for each said client; access an authentication server that has a second table of user names and corresponding passwords for network login, in which the second table also includes for each user name and password a corresponding virtual local network (VLAN) membership and/or VLAN tag and/or Quality of Service (QoS); and add to the first dynamic table the user name, VLAN membership, VLAN tag and QoS information learnt from the authentication server in the second table.

Abstract: A computer system comprises host processor and a network interface, wherein the host processor includes resources supporting a full power mode, a lower power mode and a power down mode, as seen in standard system bus specifications such as PCI and InfiniBand. The network interface includes a medium interface unit coupled to network media supporting a least high speed protocol, such as a Gigabit Ethernet or high-speed InfiniBand, and a lower speed protocol, such as one of 10 Mb and 100 Mb Ethernet or a lower speed InfiniBand. Power management circuitry forces the medium interface unit to the lower speed protocol in response to an event signaling entry of the lower power mode. In the lower power mode, the network interface consumes less than the specified power when executing the lower speed protocol, and consumes greater than the specified power when executing the high speed protocol.

Abstract: Providing enhanced emergency services (E-911) to an IP Telephony-based PBX or similar system, by utilizing aspects of the intelligence of end-user SIP client devices to address challenges and difficulties associated with E-911-like services in LAN-based telephony environments.

Abstract: Method and system for synchronizing Access Points in a WLAN, such as a CSMA/CA Access Point. A method of synchronizing a first Access Point and a second Access Point includes the steps of deploying the first and the second Access Point within a wireless network and utilizing the first Access Point to detect a presence of the second Access Point. A first periodic Beacon Frame of the first Access Point is synchronized with a first periodic Beacon Frame of the second Access Point.

Abstract: To enable devices to detect L3 roaming users and to take appropriate forwarding actions, L3 knowledge is introduced inside a bridge in a non-intrusive way. In particular, as a client moves from a subnet associated with a first network element to a subnet associated with a second network element, a determination is made regarding whether the client is roaming. This is done by evaluating a source IP address within a L3 packet header within a first frame received at the second network element. If, as a result of the evaluating step, it is determined that the client is roaming, an L2 bridge forwarding table in the second network element is configured to include a source MAC address of the client together with information identifying at least a destination interface for use in directing client data traffic back towards the subnet associated with the first network element. The first frame is then forwarded.

Abstract: A wireless network access point that is compatible with multiple wireless network access profiles. The wireless network access point of the present invention allows devices with heterogeneous wireless network access profiles to access the network over the same network access point (NAP). This enables existing networks to upgrade NAPs without being forced to upgrade all the wireless devices within the network. In addition, the NAP of the present invention enables wireless devices to utilize network access profile features available in network access profiles other than the one loaded on the wireless device itself.

Abstract: An information management apparatus 50 according to the present invention comprises: a database 30d for storing information relevant to a printer 40 therein; output request reception means 20a for receiving an output request transmitted from a portable terminal 14; inquiry signal transmission means 20a for transmitting an inquiry signal on the printer 40 being an output destination to the portable terminal 14; communication means for receiving image data transmitted from the portable terminal 14; recognition means 30b for recognizing the identification information of the printer 40 by analyzing the image data transmitted in response to the inquiry signal; retrieval means 30c for retrieving the information relevant to the printer 40 from the data base 30d on the basis of the acquired recognition information; and printing means 20c for outputting the information to the printer 40 on the basis of the information relevant to the printer 40 retrieved by the retrieval means 30c.

Abstract: In one embodiment of a networking module, a first block receives a serial digital media signal, and provides a parallel digital media signal based on the serial digital media signal. A second block, operative with the first block, stores the parallel digital media signal in a corresponding slot in an outgoing frame, and sends the outgoing frame in response to receiving an incoming frame.

Abstract: A method and system for rerouting IP telephony call information. The system includes an existing IP telephony call, the telephony call originating at a first IP telephony phone. A second IP telephony phone receiving the IP telephony call from the first IP phone and a network routing condition, the routing condition causing the IP telephony call to be rerouted. A switchover instruction, the switchover instruction initiating a switchover of the existing IP telephony call to a PSTN.

Abstract: A system and method of load balancing in an upstream proxy. Information is received from a plurality of downstream proxies. A list of downstream proxies is maintained. Weights are assigned to each of the downstream proxies in the list, the weight based upon information received from the downstream proxies.

Abstract: Power is automatically allocated among a plurality of network switches, such as a plurality of stackable switches. In one embodiment, one device in the network is designated as a “master” device which controls the power allocation for all of the switches. In another embodiment, a distributed algorithm is used, in which each device uses power allocation decision logic to formulate a mutually agreed-upon power allocation. Power from multiple power-granting devices may be consolidated to provide aggregated power to one or more power-needing devices.

Abstract: A system and method for feature-based service control using Session Initiation Protocol (SIP) in an Internet Protocol Automatic Branch Exchanges (IPABX) system is described. The system and method include a new Event package and new Enhanced SIP methods to control information for various feature-based services like wakeup alarm, call forwarding, voicemail configuration, and other services provided by traditional PBX systems. A user provides input to a client device to activate or deactivate feature-based services. In response, the client device sends a message to the IPABX server to activate or deactivate the feature-based service(s). The IPABX server then notifies the client device that the feature based-service(s) have been activated or deactivated.

Abstract: A system is provided for disseminating resource allocation information from system resources to state-information observers comprising resource users and typically also at least one system resource manager. Each resource maintains state information about its identity and its allocation to one or more resource users. Each resource provides this information to a state-dissemination arrangement which disseminates it to each state-information observer. Each resource user uses the state information it receives from the state-dissemination arrangement to ascertain the resources allocated to it. Similarly, a system resource manager, when present, uses the state information it receives from the state-dissemination arrangement to ascertain the allocation of those resources that are of interest to the manager. A resource, resource user and resource manager for use in such a system are also provided.

Abstract: A computer network including: at least one switch connecting at least one edge device to the remainder of the network, said at least one switch including: snooping apparatus using DHCP to monitor the signal traffic through the switch to or from the each edge device to determine, without changing the traffic signals, for each edge device, the MAC address, the IP address, and the port of the switch to which it is connected, and a dynamic table within said switch of, for each edge device, the MAC address, the IP address, and the port which it is connected, the contents of the table being provided by said snooping apparatus.

Abstract: There is provided a system and method for creating a pre-shared key. More specifically, in one embodiment, there is provided a method comprising accessing an identifier associated with a computer system, and performing at least one mathematical function on the identifier to create a pre-shared key for the computer system.

Abstract: A method of detecting signatures in message segments comprises employing a state machine for the detection of character strings in the message segments. The state machine executes for each input character a transition determined by a current state of the machine and a current input character. The message segments conform to TCP or other ordering transport protocol. The order of arrival of the message segments is monitored. In the event that an intermediate message segment is missing between a processed segment and an immediately subsequent message segment, the current state of said state machine at the end of the said processed segment is stored. The machine is restarted from its null or datum state for the examination of the immediately subsequent message segment, which is then temporarily stored. When the missing segment eventually arrives, it and the stored segment are successively examined for signatures by means of the state machine, beginning at the stored state.