Assignee: Enterasys Networks, Inc.

Location: Andover, MA
No. of patents: 47

Number	Title	Issue Date
8166151	Method and apparatus for determining a spanning tree It is realized that the use of a spanning tree protocol in particular portions of a network may not necessarily be desired due to performance and stability reasons. A method and system is provided for executing a revised spanning tree algorithm that performs more op...	04/24/2012
8086232	Time synchronized wireless method and operations A scanning method, computer readable medium, and device for suspending, during a first data scanning sequence including a plurality of discrete data scanning intervals, data scanning operations during at least one discrete data scanning interval chosen from the plur...	12/27/2011
8040890	Apparatus and method for a virtual hierarchial local area network A method and apparatus are provided for creating a virtual hierarchical local area network. The method and apparatus provide a hierarchical framing technique that allows a network architecture to realize a local area network hierarchy within the network. In this man...	10/18/2011
8023521	Methods and apparatus for differentiated services over a packet-based network Methods and apparatus for the provision of differentiated services in a packet-based network may be provided in a communications device such as a switch or router having input ports and output ports. Each output port is associated with a set of configurable queues t...	09/20/2011
8023515	Distributed connection-oriented services for switched communication networks Connection-oriented services for packet switched data communications networks are provided, including distributed MAC and protocol alias addresses discovery. Link state topology exchanges provide each switch with network topology graphs to determine paths from sourc...	09/20/2011
7990981	Distributed connection-oriented services for switched communication networks Connection-oriented services for packet switched data communications networks are provided, including distributed MAC and protocol alias addresses discovery. Link state topology exchanges provide each switch with network topology graphs to determine paths from sourc...	08/02/2011
7945945	System and method for address block enhanced dynamic network policy management A method, computer readable medium, and system for acquiring address block information for an attached function that initiates network access on a distributed computing network. Additional policy information in acquired concerning the attached function. One or more ...	05/17/2011
7936770	Method and apparatus of virtual class of service and logical queue representation through network traffic distribution over multiple port interfaces A method and apparatus are provided that allows for the representation of a larger number of classes of network traffic and logical queues than is physically available on a per port basis within a network device. A number of logical queues, whose number can match th...	05/03/2011
7855972	Creating, modifying and storing service abstractions and role abstractions representing one or more packet rules The present invention provides a method and system for controlling usage of network resources on a communications network. The method comprising acts of: (a) creating one or more packet rules for analyzing packets received at one or more devices of the communication...	12/21/2010
7760652	Methods and apparatus for improved failure recovery of intermediate systems Methods and apparatus relating to intermediate system recovery to reduce the required amount of computational resources and network bandwidth to recover an intermediate system after an operational failure. The intermediate system conceals its operational failure fro...	07/20/2010
7756544	Power controlled network devices for security and power conservation The present invention provides method and systems for activating or deactivating network devices by managing the power of the network device. By controlling the power for network devices, the size and coverage of the network can be adjusted to meet the needs for the...	07/13/2010
7739402	Locating devices in a data network A system that associates physical locations with network-linked devices in a network to which such devices are connected. This system employs a variety of techniques for establishing device location. The system configuration can vary and can include any type of data...	06/15/2010
7739372	System and method for dynamic network policy management A system and method that provides dynamic network policy management. The system enables a network administrator to regulate usage of network services upon initiation of and throughout network sessions. The system employs a method of identifying selectable characteri...	06/15/2010
7706369	Location discovery in a data network A method for location discovery in a data network includes receiving, at a first device, connection information from a neighboring network device and determining a physical location of the first device based on the connection information. The method can include rece...	04/27/2010
7690040	Method for network traffic mirroring with data privacy Systems and methods are provided for preserving the privacy of data contained in mirrored network traffic. The mirrored network traffic may comprise data that may be considered confidential, privileged, private, or otherwise sensitive data. For example, the data pay...	03/30/2010
7647422	VPN failure recovery An approach to rapid failover of a communication path between computers that are linked by redundant virtual links in a virtual private network (VPN) features detection of communication link and device failures through an active monitoring approach and re-routing of...	01/12/2010
7611292	Optical interface identification system A connector assembly, configured to releasably couple a socket assembly, includes zero or more data conductors. An optical pathway is configured to: receive an optical signal from an optical light source positioned within the socket assembly; and provide at least a ...	11/03/2009
7606938	Verified device locations in a data network One or more trusted network devices within a data network infrastructure determine a physical location of a client device requesting access to the data network infrastructure. A trusted physical location is generated and associated with the client device. The approa...	10/20/2009
7581249	Distributed intrusion response system A system and method to respond to intrusions detected on a network system including attached functions and a network infrastructure. The system includes means for receiving from an intrusion detection function information about intrusions, a directory service functi...	08/25/2009
7580403	Status transmission system and method A method includes receiving, on a first network device, an announcement message from an endpoint device connected to the first network device via a network connection. The announcement message, which includes at least one connection criteria, is transmitted to one o...	08/25/2009
7529243	Apparatus and method for a virtual hierarchical local area network A method and apparatus are provided for creating a virtual hierarchical local area network. The method and apparatus provide a hierarchical framing technique that allows a network architecture to realize a local area network hierarchy within the network. In this man...	05/05/2009
7526541	System and method for dynamic network policy management A system and method that provides dynamic network policy management. The system enables a network administrator to regulate usage of network services upon initiation of and throughout network sessions. The system employs a method of identifying selectable characteri...	04/28/2009
7480917	User interface for editing objects of a network object database A user interface enables a user to concurrently select a plurality of network objects of a network object database (e.g., a MIB) from a same network device or different network devices and specify a value, only once, to which to set the selected objects. The user ca...	01/20/2009
7457297	Methods and apparatus for differentiated services over a packet-based network Methods and apparatus for the provision of differentiated services in a packet-based network may be provided in a communications device such as a switch or router having input ports and output ports. Each output port is associated with a set of configurable queues t...	11/25/2008
7401086	Translating configuration files among network devices A system and method to facilitate the translation of Command Line Interface (CLI) configuration scripts associated with a device into the corresponding equivalent CLI configuration scripts of another device. The system includes a translator and one or more data dict...	07/15/2008
7386605	Methods and apparatus for automated edge device configuration in a heterogeneous network A PE device learns the address of a local CE device by monitoring the control messages, such as address resolution messages, originating from those local devices. In one embodiment, automated configuration of the PE devices participating in a Layer 2 VPN is facilita...	06/10/2008
7347628	Optical interface identification system A connector assembly, configured to releasably couple a socket assembly, includes zero or more data conductors. An optical pathway is configured to: receive an optical signal from an optical light source positioned within the socket assembly; and provide at least a ...	03/25/2008
7328277	High-speed data processing using internal processor memory space Significant performance improvements can be realized in data processing systems by confining the operation of a processor within its internal register file so as to reduce the instruction count executed by the processor. Data, which is sufficiently small enough to f...	02/05/2008
7295556	Location discovery in a data network A method for location discovery in a data network includes receiving, at a first device, connection information from a neighboring network device and determining a physical location of the first device based on the connection information. The method can include rece...	11/13/2007
7222268	System resource availability manager A hierarchical, distributed Availability Management (AM) process for recovering from component failures in a data processing system. The hierarchy of AM elements track a failure modality hierarchy of the data processing system components. For example, the system hie...	05/22/2007
7194183	Modular receptacle assembly and interface with integral optical indication A modular receptacle assembly includes integral optical indication. The receptacle assembly includes a module housing one or more receptacles configured to releasably receive, in an insertion direction, a leading portion of a modular plug. A light pipe having proxim...	03/20/2007
7152242	Modular system for detecting, filtering and providing notice about attack events associated with network security A host-based intrusion detection system (HIDS) sensor that monitors system logs for evidence of malicious or suspicious application activity running in real time and monitors key system files for evidence of tampering. This system detects attacks targeted at the hos...	12/19/2006
7137743	Visual optical indicators for plug assemblies, connectors and cables A plug assembly is provided with integral optical indication. The plug assembly includes a housing having a leading portion and a trailing portion. The leading portion is configured for information exchanging engagement with an internally illuminated receptacle size...	11/21/2006
7093072	Methods for improved data caching Write transactions with large amounts of data using a typical cache may consume over half of the available backing store bandwidth because of the way traditional caching algorithms fill lines during a write-invoked eviction. Relaxing the traditional constraint of ca...	08/15/2006
7092943	Location based data Data is provided with location-based access control information. Access to the data at a physical location is then limited according to the location-based access control information. A physical location of a device accessing the data can be determined, and the limit...	08/15/2006
7009983	Methods and apparatus for broadcast domain interworking A P device interworks CE devices connected to the P device using different types of data links. The P device learns the address of a local CE device by monitoring the control messages, such as address resolution messages, originating from the local device. The P dev...	03/07/2006
6990592	Controlling concurrent usage of network resources by multiple users at an entry point to a communications network based on identities of the users Controlling a user's usage of network resources, after the user has been authenticated, without using any network resources beyond the user's entry point to the network. A plurality of users may be connected to an entry point of a network of a network device by a sh...	01/24/2006
6865154	Method and apparatus for providing bandwidth and delay guarantees in combined input-output buffered crossbar switches that implement work-conserving arbitration algorithms A system is described where delay and bandwidth guarantees are implemented with a crossbar switch. A rate controller is provided as a front-end to a crossbar switch with an arbiter running a work-conserving arbitration algorithm. The system provides bandwidth and de...	03/08/2005
6850490	Hierarchical output-queued packet-buffering system and method The packet-buffering system and method of the present invention enables communication devices incorporating a full-mesh architecture to achieve bandwidth aggregation levels ordinarily associated with partial-mesh architectures. The packet-buffering invention uses a ...	02/01/2005
6822966	Allocating buffers for data transmission in a network communication device A network communication device for directing data units over a communication network includes at least one input and/or output port arranged to receive and/or transmit data units, a plurality of buffer units divided into several sub-pools, and a buffer allocator for...	11/23/2004

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Assignee: Enterasys Networks, Inc.