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8179799 Method for partitioning network flows based on their time information  
To organize flows records into buckets and optimize their indexed access to/from storage medium, a bucket identifier is associated with each flow record. The bucket identifier is derived from some...
8125902 Method and system for congestion avoidance in packet switching devices  
A method, apparatus and computer-readable storage medium for regulating packet flow through a device such as a router with a switch fabric. Congestion information, such as statistics on bandwidth...
8116334 Dataflow FIFO communication buffer using highly-multiported memories  
A First In First Out (FIFO) communication buffer for receiving data from a source and distributing the data to a first sink and a second sink is disclosed. The FIFO communication buffer includes a...
8085668 Timestamp metering and rollover protection in a network device  
A network device for processing data on a data network includes a plurality of ports, configured to receive data from a data network and to send processed data to the data network, a memory...
8077724 In-line packet processing  
A method and apparatus for in-line processing a data packet while routing the packet through a router in a system transmitting data packets between a source and a destination over a network...
8077620 Methods and apparatuses for processing packets in a credit-based flow control scheme  
Methods and systems for processing a second request before processing of a first request has completed. The first request is associated with a first flow control credit type, and the second request...
8031611 Method of generating IP traffic flow based on a time bucket  
A method of generating IP traffic flow based on a time bucket divides, in order to generate flows using all IP packets arriving in a preset time bucket, a previous time bucket flow table (PTBFT)...
8032653 Guaranteed bandwidth sharing in a traffic shaping system  
In one aspect the invention provides a method for allocating bandwidth in a network appliance where the network appliance includes a plurality of guaranteed bandwidth buckets used to evaluate when...
8014288 Packet latency based arbitration technique for a packet switch  
A packet switch including input ports having various input bandwidths initializes credit values for the input ports. An arbiter of the packet switch selects input ports based on the credit values...
8000247 Bandwidth management apparatus  
In a bandwidth management apparatus that outputs packets by observing the bandwidth set value predetermined for each destination, provisions are made to prevent a situation where the contracted...
7990853 Link aggregation with internal load balancing  
A system and method provides Link Aggregation that internalizes the link aggregation to improve internal traffic capacity, in addition to sharing traffic across external links to connecting packet...
7974208 System and method for router queue and congestion management  
In a multi-QOS level queuing structure, packet payload pointers are stored in multiple queues and packet payloads in a common memory pool. Algorithms control the drop probability of packets...
7965638 Policing machine incorporating randomization of rate threshold  
A novel policer mechanism that incorporates randomization of the rate threshold which prevents “lockup” and “synchronization” problems associated with prior art policers that employ fixed rate th...
7961744 Frame multiplexing device  
A frame multiplexer includes a plurality of counters each of which is provided for each of the lines. A flow monitoring unit monitors frame flow of each line by referring to the counter of the...
7957291 Apparatus and methods for controlling effective communication traffic rates  
Apparatus and methods for controlling effective communication traffic rates are disclosed. Communication signals that include communication traffic are generated for transfer on a wireless...
7957292 Token-based congestion control method for the internet  
A computer network system with congestion control includes an edge router, a core router, and an inter-domain router in a computer network domain. A token level is inserted into the packet header...
7948896 Weighted-fair-queuing relative bandwidth sharing  
A network device for scheduling packets in a plurality of queues. The network device includes a plurality of configurable mechanisms, each of which is configured to process information in one of a...
7948882 Dual leaky bucket flow control method and system  
A method for scheduling a network resource comprises adding tokens to first and second accumulators at first and second fill rates, respectively. A number of tokens corresponding to a size of a...
7944838 Apparatus, method and computer program for traffic control  
Traffic control for a communication network using a token bucket. Tokens stored in the token bucket and data throughput to/from a data buffer are monitored, and a new token rate is determined based...
7933237 Ensuring quality of service of communications in networks  
A method and apparatus for controlling ingress to a communications network to control quality of service is described. A request to admit a new communications flow is received. A polynomial and its...
7929431 Port rate smoothing in an avionics network  
A communication network is provided. The network includes a least one switch and a plurality of ports. Each port is in communication with the at least one switch. At least one of the ports is...
7898960 System, method, and computer product for controlling bandwidth  
A surplus amount of token calculating unit calculates a surplus amount of token for a station in which a residual amount of output buffer is smaller than a residual amount of token. A necessary...
7876686 Message processing  
Devices, systems, methods, and other embodiments associated with message processing are described. In one embodiment, an apparatus includes an interaction logic to interact with a message...
7872975 File server pipelining with denial of service mitigation  
A method of metering bandwidth allocation on a server using credits is disclosed. The method may receive a request for data from a client, respond to the request for data and determining if the...
7869452 Dataflow FIFO communication buffer using highly-multiported memories  
A FIFO communication system is provided using a FIFO and connection circuit to transmit data from a single source to multiple sinks. The connection circuit operates to enable simultaneous reads by...
7864684 Scheduling strategy for packet switched traffic  
The invention provides a leaky-bucket method for delivering packets from a first node (A) to a second node (B) in a packet switched network, comprising the steps of: receiving at the first node (A)...
7848239 Network system capable of dynamically controlling data flow and its method  
A network system capable of dynamically controlling a data flow is disclosed. The network system includes: a forwarding unit, for receiving a packet and for providing a QoS (quality of service)...
7843832 Dynamic bandwidth allocation apparatus and method  
In a bandwidth allocation method and/or apparatus for adaptively allocating radio channels in a mobile communication system, a token bucket is periodically filled with an amount of tokens that...
7826351 MMPP analysis of network traffic using a transition window  
Data communication in network traffic is modeled in real time and is analyzed using a 2-state Markov modified Poissen process (MMPP). The traffic inter-arrival times for bursty and idle states...
7821943 Data transmission  
Audio-visual data is provided to a network-connected terminal. First audio-visual data containing first information encoded at a first data rate and second audio-visual data containing first...
7817543 Regulating data-burst transfer  
The invention discloses methods and apparatus for regulating the transfer of data bursts across a data network comprising electronic edge nodes interconnected by fast-switching optical core nodes....
7817556 Modification of policing methods to make them more TCP-friendly  
Various improvements are provided for prior art policing methods, including token bucket methods and virtual time policing methods. Some preferred methods of the invention involve assigning a...
7801140 In-line packet processing  
A method and device for in-line processing a data packet is provided. The data packet is received at a first buffer. The data packet is divided into a number of cells that are stored in a first...
7792033 Bandwidth policing method and packet transfer apparatus with bandwidth policing function  
In a bandwidth policing apparatus which accommodates a large number of user groups, bandwidth policing for each user group is performed at high speed. When there is any extra bandwidth in bandwidth...
7792054 IP backbone network reliability and performance analysis method and apparatus  
This invention provides a tool for reliability evaluation and performance analysis of an IP backbone network by using the network packet loss ratio as the main measurement. A queuing model and...
7778174 Shaper circuit and shaper circuit combination  
A shaper circuit includes a storage part storing a current token, an add token, and a max token, a subtraction part subtracting a packet length of a dequeue target from the current token stored in...
7746777 Centralized bandwidth management method and apparatus  
Disclosed is an apparatus and method for granting guaranteed bandwidth between one or more data transmission priority requesting sources and one or more resources upon request. Data sources that do...
7738382 Hierarchical multi-rate multi-precedence policer  
A hierarchical multi-rate multi-precedence policer is disclosed. The policer discards packets based on assigned precedence levels. When traffic exceeds an available service rate, the policer drops...
7724755 Communications apparatus  
To provide a communications apparatus for preventing degradation in data quality, which is caused by the missing of reception data at the time of a data communication, an application processing...
7724661 Scalable, high-resolution asynchronous transfer mode traffic shaper and method  
An ATM network traffic shaper is implemented in hardware. The traffic shaper shapes transmit data on one or more virtual circuits (VCs) according to the specified quality of service (QoS)...
7724658 Protocol offload transmit traffic management  
Transfer of data is facilitated between at least one application and a peer via a network. Data destined for the peer is provided from the at least one application for transmission to the peer via...
7719968 Multi-priority multi-color markers for traffic metering  
A metering device has a first token bucket with a profile, a rate, and a maximum number of tokens. The device has another token bucket with its own profile, two associated rates, and a maximum...
7702806 Statistics collection for network traffic  
A system architecture for thwarting denial of service attacks on a victim data center is described. The system includes a first plurality of monitors that monitor network traffic flow through the...
7688735 Fibre channel switching system  
The Fiber Channel standard was created by the American National Standard for Information Systems (ANSI) X3T11 task group to define a serial I/O channel for interconnecting a number of heterogeneous...
7684333 Reliable quality of service (QoS) provisioning using adaptive class-based contention periods  
A method and system for allocating bandwidth of a wireless channel to different types of traffic includes partitioning the bandwidth of the wireless channel into a plurality of contention periods....
7680049 Methods and apparatus for allowing promotion in color-based policers  
Methods and apparatus are provided for applying color based policing at a network node. Committed information rate (CIR) and peak information rate (PIR) buckets used to monitor transmission rates...
7675929 Method and system for managing data flow in a data transmission system  
A data flow management system and method in which an application and its clients are made aware of the available credits for each type of transfer before the transfer is attempted. This enables the...
7672242 Traffic management device and method thereof  
A traffic management device and the method thereof are disclosed. The traffic management device includes a control logic unit, a first counting unit, and a second counting unit. The traffic...
7664028 Apparatus and method for metering and marking data in a communication system  
A system and/or method for metering and marking packets of data incoming into a communication system having in some embodiments primary and secondary meter selectors, primary and secondary metering...
7646718 Flexible port rate limiting  
A switching device comprises M ports, N bandwidth tracking modules, a mapping memory, and a rate limiting module. The N bandwidth tracking modules each have an adjustable first threshold, an...
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