Nortel Networks Corporation

Other

Aruba Networks, Inc.

Zeitnet, Inc.

Kent Huntley Headrick

Arthur Lin

Shyam Prasad Pillalamarri

Anthony L Alles

David Mullenex

Thomas Daly

Suhas Anand Shetty

Flavio Giovanni Bonomi

Amit R Shah

Merwyn Andrade

Kannan Devarajan

In one embodiment, the invention relates to utilization of a single interconnect to support the transmission of data, power and serial control information to an access point. The interconnect comprises at least three and perhaps four twisted pairs such as a CAT-5 cable.

Mechanism for deploying an access point within a WLAN using a single interconnect

An internet service node (ISN) enabling the provision of desired service policies to each subscriber. The desired service policies for each subscriber are provided as an input. The desired service policies are translated into processing rules. Each processing rule contains a classifier and associated action. A classifier generally identifies the application data flows to which the action may be applied to provide the desired service policies. The processing rules may be generated dynamically to implement the specified service policies for each subscriber. Each data bit group may be classified to associate with a subscriber and only the processing rules corresponding to the subscriber may be applied to the data bit group to provide the desired services.

System and method for providing desired service policies to subscribers accessing the internet

An internet service node (ISN) enabling the provision of desired service policies to each subscriber. The ISN may contain multiple processor groups, with each subscriber being assigned to a processor group. The assigned processor group may be configured with the processing rules, which provide the service policies desired, by a subscriber. A port may determine the specific processor group to which received data is to be forwarded. A content addressable memory with masks for individual locations may be implemented to quickly determines the processor group to which received data is to be assigned to. Due to the features of the present invention, an ISN may be able to serve a large number of subscribers efficiently. The ISN may be used at the edge of an access network.

Providing desired service policies to subscribers accessing internet

A content addressable memory (CAM) having a search field, a mask and an output for each CAM location is used to efficiently determine a processor for processing IP packets, with each IP packet being received as a sequence of cells. IP packets may be assigned to a processor (group) based on an examination of the header data, potentially including IP header and other higher layer protocols headers. The search field of a CAM location is pre-stored with header data, and the bit positions to be searched in the location are specified by using a mask. The output of the location identifies the processor group for executing packets with headers matching the search field, with only the bits specified by the mask being compared. When a first cell of an IP packet is received, the header data is provided as an input to the CAM, and the output identifies the processor (group) for executing the IP packet.

Assigning cell data to one of several processors provided in a data switch

A system and method for routing data between input and output ports in an ATM node of a packet-switched network allocates port capacity in accordance with the requirements of the users connected to the ports. Capacity may be allocated either dynamically in real time, according to a fixed predetermined schedule, or according to certain characteristics of the data awaiting transfer between users, such as the length or type of data. The system and method optimize the utilization of system resources by enabling ports having a physical capacity which substantially exceeds the capacity of a conventional ATM switch to be interconnected for data transfer.

Dynamic allocation of port bandwidth in high speed packet-switched

A system and method for communicating multiple priority level data packets between input ports and output ports of a switch is disclosed where the data packet has a header portion identifying at least one output port destination and a level of priority, selected from a predetermined set of priority levels, of the data within the data packet. A buffer, shared by the output ports, stores the data packet in a selected buffer location based on the output port destination and priority level of the data packet. Pointers to buffer locations containing data packets having a particular priority level are stored in one or more priority sub-queues for one or more of the plurality of output ports based on the output port destinations and the priority level of the data packet. The data packets are output to the output ports in priority order.

Growing community of inventors

Newark, CA, United States of America

Kent Huntley Headrick