MEMORY EFFICIENT INDEXING FOR DISK-BASED COMPRESSION
Granted: August 25, 2011
Application Number:
20110208747
A network optimization device may receive a stream of data and generate a signature for a plurality of fixed length overlapping windows of the stream of data. The device may select a predetermined number of the generated signatures for each Ln-byte segment of the data stream, wherein Ln is greater than a length of each of the windows. The network device may store the selected signatures in a bucketed hash table that includes a linked-list of entries for each bucket.
METHOD AND SYSTEM FOR PROVIDING SECURE ACCESS TO PRIVATE NETWORKS WITH CLIENT REDIRECTION
Granted: August 25, 2011
Application Number:
20110208838
Improved approaches for providing secure access to resources maintained on private networks are disclosed. The secure access can be provided through a public network using client software of client-server software and/or with file system software. Multiple remote users are able to gain restricted and controlled access to at least portions of a private network through a common access point, such as an intermediate server of the remote network.
LOW LATENCY REQUEST DISPATCHER
Granted: August 25, 2011
Application Number:
20110208926
A first-in-first-out (FIFO) queue optimized to reduce latency in dequeuing data items from the FIFO. In one implementation, a FIFO queue additionally includes buffers connected to the output of the FIFO queue and bypass logic. The buffers act as the final stages of the FIFO queue. The bypass logic causes input data items to bypass the FIFO and to go straight to the buffers when the buffers are able to receive data items and the FIFO queue is empty. In a second implementation, arbitration…
AUTOMATED INTEGRATED CIRCUIT CLOCK INSERTION
Granted: August 25, 2011
Application Number:
20110209111
A user device receives a request to perform an automatic clock insertion operation for an integrated circuit; retrieves location information regarding a group of components, of the integrated circuit, that use a clock signal; deploys a clock mesh based on the location information regarding the group of components; and inserts drop points into the clock mesh; deploys a particular buffer for a particular drop point; maps a component, of the group of components, to the particular buffer;…
METHOD FOR CLOCK LOAD ALIGNMENT DURING STANDARD CELL OPTIMIZATION
Granted: August 25, 2011
Application Number:
20110209112
A computing device may include a memory to store instructions and a processor. The processor may execute the instructions to conduct an initial cell optimization for an integrated circuit layout; designate clock loads associated with a first-level clock buffer; receive, after the initial standard-cell optimization, a set of initial placement locations; align the clock loads according to the set of placement locations; conduct, using the aligned clock loads, a re-optimization of the…
ANALYSIS OF SHORT TERM CPU SPIKES IN AN OPERATING SYSTEM KERNEL
Granted: August 25, 2011
Application Number:
20110209158
A profiler may analyze processes being run by a processor. The profiler may include logic to periodically sample a value of an instruction pointer that indicates an instruction in the first process that is currently being executed by the processor and logic to update profile data based on the sampled value. The profiler may additionally include logic to determine, in response to a context switch that includes the operating system switching the active process from the first process to…
PROTECTING CONFIGURATION DATA IN A NETWORK DEVICE
Granted: August 25, 2011
Application Number:
20110209203
Configuration information for a network device may be associated with a protection state that may restrict the modification of portions of the configuration information that are set to the protected state. The network device may be configured using configuration information defined as a group of hierarchically arranged configuration statements. Permissions may be stored for the network device relating to users permitted to modify the configuration information. The permissions may include…
COARSE TIME SYNCHRONIZATION
Granted: August 25, 2011
Application Number:
20110206172
A system for determining the burst start timing of a signal includes logic configured to receive the signal, generate correlation moduli and generate a first timing output based on the correlation moduli. The logic may also be configured to receive operating mode information and timing information and generate search controls. The logic may further be configured to identify a maximum of the correlation moduli using the search controls and determine a second timing output associated with…
METHODS AND APPARATUS RELATED TO PACKET CLASSIFICATION ASSOCIATED WITH A MULTI-STAGE SWITCH
Granted: August 18, 2011
Application Number:
20110200038
In one embodiment, an apparatus can include a policy vector module configured to retrieve a compressed policy vector based on a portion of a data packet received at a multi-stage switch. The apparatus can also include a decompression module configured to receive the compressed policy vector and configured to define a decompressed policy vector based on the compressed policy vector. The decompressed policy vector can define a combination of bit values associated with a policy.
NETWORK CHARACTERISTIC-BASED COMPRESSION OF NETWORK TRAFFIC
Granted: August 18, 2011
Application Number:
20110202673
A network optimization device may receive a stream of data and identify a selected compression dictionary from among a number of compression dictionaries based on the received stream of data. A receiving network device may be notified regarding the selected compression dictionary. The stream of data may be compressed using the selected compression dictionary and transmitted to the receiving device.
APPLICATION IDENTIFICATION
Granted: August 18, 2011
Application Number:
20110202672
A method may include receiving a communication from a client device and identifying a port number, a protocol and a destination associated with the communication. The method may also include identifying a first application being executed by the first client device based on the port number, the protocol and the destination associated with the first communication.
VIDEO TRANSCODING USING A PROXY DEVICE
Granted: August 18, 2011
Application Number:
20110200094
A network device may act as a proxy for a client requesting video from a server and may control the quality of the video requested from the server. The network device may detect a negotiation for a video stream, the negotiation including at least a first message from the client indicating a requested video quality by the client; and determine a maximum allowed video quality for the client. The network device may additionally determine whether the requested video quality by the client is…
ENHANCED CMTS FOR RELIABILITY, AVAILABILITY, AND SERVICEABILITY
Granted: August 18, 2011
Application Number:
20110200055
A Cable Modem Termination System (CMTS) is partitioned into Line Cards, I/O Cards, and a midplane to provide enhanced Reliability, Availability, and Serviceability. Each I/O Card provides a cabling interface for coupling an assigned Line Card to other portions of a Hybrid-Fiber-Coax Network. A plurality of RF signals is coupled via connectors between each Line Card and a corresponding I/O Card, via the midplane. This permits a Line Card to be removed for servicing without requiring…
NETWORK PROVIDER BRIDGE MMRP REGISTRATION SNOOPING
Granted: August 18, 2011
Application Number:
20110200042
A provider edge bridge in a service provider network receives multiple media access control (MAC) Registration Protocol (MMRP) registration messages from customer networks via tunnels. The provider edge bridge snoops the MMRP registration messages to obtain multicast MAC addresses from the registration messages, and tunnels the MMRP registration messages toward one or more other bridges. The provider edge bridge constructs multicast forwarding tables based on the multicast addresses…
FEEDBACK CONTROL OF PROCESSOR USE IN VIRTUAL SYSTEMS
Granted: August 18, 2011
Application Number:
20110199928
A device may receive packets for a system and obtain a packet drop rate of the system, a processor utilization rate of the system, and a target processor utilization rate of the system. In addition, the device may determine a target packet drop rate based on the packet drop rate, the processor utilization rate, and the target processor utilization rate. The device may drop a portion of the packets in accordance with the packet drop rate.
PACKET SWITCHING EQUIPMENT AND SWITCHING CONTROL METHOD
Granted: August 18, 2011
Application Number:
20110199925
A packet switching equipment and a switch control system employing the same performs operation of the switch core portion independent of content of decision of an arbiter portion and overall equipment can be constructed with simple control structure. The packet switching equipment includes input buffer portions temporarily storing packets arriving to the input ports and outputting packets with adding labels indicative of destination port numbers, a switch core portion for switching the…
THERMAL MANAGEMENT OF ELECTRONIC DEVICES
Granted: August 11, 2011
Application Number:
20110192587
Thermal management is provided for a device. The device may include a substrate having a mounting area on a first surface of the substrate. The device may also include first thermal vias extending from the mounting area to at least an interior of the substrate. The device may also include at least one thermal plane substantially parallel to the first surface of the substrate, the at least one thermal plane being in thermal contact with at least one of the first thermal vias. The device…
OVERSUBSCRIBED PACKET STREAM-BASED INTERCONNECT PROTOCOL
Granted: August 11, 2011
Application Number:
20110194409
A network device includes a receiver component that generates flow control information. The network device also includes a transmitter component that receives a packet for forwarding to the receiver component, receives flow control data for the packet from the receiver component, and provides the packet and the flow control data for the packet to a fabric component. The fabric component performs a congestion management operation for the packet, and forwards the packet to the receiver…
REMOTE NETWORK DEVICE COMPONENT TESTING
Granted: August 11, 2011
Application Number:
20110194425
A network device receives, from a remote user device, a requested test that includes test Internet protocol (IP) packets, and converts the test IP packets into hardware test commands. The network device also performs, based on the hardware test commands, the requested test on a component of a network device card to produce hardware test results. The network device further converts the hardware test results into test results in an IP packet format, and provides the tests results in the IP…
VIRTUAL UPSTREAM CHANNEL SCHEDULING IN BROADBAND COMMUNICATION SYSTEMS
Granted: August 11, 2011
Application Number:
20110194508
Scheduling virtual upstream channels within one physical upstream channel is disclosed. The MAP messages of the virtual upstream channels that share the same physical upstream channel are synchronized together such that any one transmission opportunity for a given virtual upstream channel does not overlap with transmission opportunities of any other virtual channel. This includes converting all requests for tranmission opprotunities into a common unit and then scheduling these requests…
