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6973034 Technique for collecting operating information from network elements, and for controlling network element behavior in a feedback-based, adaptive data network  
A feedback-based adaptive network is described wherein at least a portion of the network elements report operating information relating to network conditions to a centralized data store. The...
6970424 Method and apparatus to minimize congestion in a packet switched network  
A packet-switched communication network in accordance with the invention provides a guaranteed minimum bandwidth between pairs of Packet Switches by defining Service Level Agreements (SLAs). An SLA...
6967923 Bandwidth allocation for ATM available bit rate service  
An ATM switch, and method for operating such a switch, are disclosed. In one embodiment, the switch detects ABR VCs that are likely bottlenecked elsewhere in their network path, allowing it to...
6967922 Traffic control method, network system and frame relay switch  
A traffic control method can prevent that the number of cells transmitted to an ATM network exceeds a maximum transmission rate. When a frame F is transmitted from a frame relay network FR 1 to an...
6968323 Dynamic allocation and pricing of resources of web server farm  
The present invention relates to a computer implementable system and method for allocation and pricing of classified resources of a web server farm to customers by a resource center comprising...
6965940 Operating method of a storage area network system  
An operating method of a storage area network system which conducts transmittance of data by a plurality of servers accessing a storage through a storage area network, the storage area network...
6965943 End-to-end internet control  
In a class of minimum cost flow control (MCFC) algorithms for adjusting session rates or window sizes congestion control is achieved through consideration of an incremental cost function that...
6963537 Resource reservation in a ring network  
A method for routing a data flow from a source node to a destination node among a plurality of nodes mutually linked in a ring by segments of a communication network, configured so that the data...
6963747 Globally optimized channel access for wireless networks  
A method can change transmit schedules in an ultra-wideband radio network by collecting traffic flow information from the nodes in the network, calculating new schedules that can be based on the...
6961308 Asynchronous transfer mode switching system  
An ATM switching system 1 is provided with an ATM switch 11, a reserved connection memory 12 for storing reserved connection information, a call history memory 13 for maintaining call...
6956869 Data recording and/or reproducing apparatus, method, and system and recording medium  
A data recording and/or reproducing apparatus and method in which, during a recording operation, the maximum bit rate of a transport stream may be detected and along with the transport stream...
6954425 Method for compensating for clock signal difference between a switch and a peripheral device, and associated apparatus  
A method for compensating for clock signal difference between a switch and peripheral device, including a receiving process and a transmitting process. For the receiving process, after an N-th...
6954430 Load regulation  
The present invention discloses a process unit ( 10 ) comprising a real data generator ( 12 ), a buffer ( 14 ) buffering the data and a queue length monitor ( 16 ), which regulates the data...
6952401 Method for load balancing in a network switch  
A method for load balancing in a link aggregation environment, wherein the method includes the steps of determining if a packet flow in a network switch exceeds a predetermined threshold. Then the...
6950390 Mobile communication system and gateway selecting method thereof  
The load of each gateway for connecting the mobile network and a predetermined communication network is distributed. In each gateway, data stored in a predetermined information server connected to...
6950887 Method and apparatus for gathering queue performance data  
An apparatus for gathering queue performance data includes an event conditioning logic unit that receives a queue enter signal, a queue exit signal, and a queue not empty signal from a queue. The...
6947445 Available bandwidth control mechanism  
An approach for controlling bandwidth allocations for a switching system with transmission constraints is disclosed. A scheduler within a switching system generates bandwidth metrics for a...
6947382 Protected UBR  
A switch for transferring UBR traffic on an ATM network. The switch includes a mechanism for receiving UBR traffic from the network and sending UBR traffic to the network. The switch includes a...
6948030 FIFO memory system and method  
A FIFO memory system for multiple input channels, has a channel control logic coupled to a channel input signal. A pointer and flag logic block is coupled to an output of the channel control logic....
6944125 Call admission control method and apparatus for cellular systems  
An improved call admission control method and apparatus is provided in which a MAC (or equivalent) layer parameter such as the FER (frame error rate) is used as a basis for call admission control....
6944174 Jitter reduction of voice packets in a packet-based network  
A multiport device includes a time-stamping component that appends a time-stamp value to voice packets. Output queues use the time-stamp value to monitor the time the packet spends in the output...
6940808 Adaptive rate traffic recovery mechanism for communication networks  
A traffic recovery mechanism for communication networks uses a layer- 1 adaptive rate protection scheme that compliments layer- 3 restoration mechanisms. The protection scheme allocates less...
6937610 Method and protocol for a medium access control layer for local area networks with multiple-priority traffic  
A Medium Access Control (“MAC”) Layer protocol and a method for contention resolution using the protocol is provided for networks with multiple priority traffic. The protocol is used where a...
6937580 Apportioning bandwidth capacity in communication switching systems  
An approach for allocating system capacity of a communication switching system for exchange of traffic is disclosed. The system includes multiple terminals that request allocations of system...
6934254 Method and apparatus for dynamically allocating resources in a communication system  
A method and apparatus is provided that dynamically allocates processor resources to data transfer-related operations, minimizing the processor resources used for data transfer-related operations...
6934253 ATM switch with rate-limiting congestion control  
An ATM switch with rate-limiting congestion control has a plurality of input ports, a plurality of output ports operatively associated with one or more data buffers, an output control and a switch...
6934251 Packet size control technique  
A packet size control method allowing reduction in the period of time during which transmission is in a blocked state is disclosed. The size of a packet to be sent is determined depending on a...
6931057 Method, article of manufacture and system to determine a bit rate of a signal  
A method, article of manufacture and system to determine a bit rate of a signal is described.
6928053 Dynamic resource control in telecommunications networks  
A method of managing resources in a switched network including the steps of assigning a respective willingness to pay WtP value to each of a plurality of network users, assigning respective set...
6928052 Method for explicit data rate control in a packet communication environment without data rate supervision  
A method for explicit data rate control is introduced into a packet communication environment ( 10 ) which does not have data rate supervision by adding latency to the acknowledgment (ACK) packet...
6922390 Method and apparatus for forecasting and controlling congestion in a data transport network  
A method and apparatus for controlling congestion at a node in a data network. The node includes an input for receiving traffic units from the network, an output for releasing traffic units to the...
6918067 Detecting network instability  
A method, system and computer program product for detecting conditions of network instability. An attribute indicative of network instability, e.g., processor and/or co-processor utilization,...
6917589 Automatic quality of service assignment in ethernet switches  
An automatic, adaptive voice/data Ethernet device with automatic assignment of quality of service is disclosed. When a “short” packet arrives (where short can be a default value or a configured...
6917590 Method and system for connection admission control  
A relationship between the mean number of “empty ” cells per scheduled cycle of the connection server and the cell rate bandwidth in cells-per-second that may be allowed to enter a virtual path...
6909692 Method and apparatus for self-adjustable design for handling event flows  
The present invention contemplates an apparatus and a method for limiting the number of specified messages placed onto a network thus to improve network performance. An element management system,...
6909700 Network topology optimization methods and apparatus for designing IP networks with performance guarantees  
Methods and apparatus are provided for designing IP networks with substantially improved performance as compared to existing IP networks such as, for example, those networks designed under...
6907002 Burst switching in a high capacity network  
At a master controller of a space switch in a node in a data network, a request is received from a source node that requests a connection to be established through the space switch. This request is...
6907467 ATM connection admission control device for DBR connections  
A device for Connection Admission Control for an ATM switch, intended for admitting to the switch a requested ATM connection of the DBR type, such that the “Quality of Service” of all ATM...
6907003 Method of monitoring packet communications traffic  
A flow of packet or cell-based communications traffic is monitored by: setting a first time interval over which measurements are to be made; counting number of packets flowing during that time...
6901050 Systems and methods for flow-based traffic shaping  
A system controls transmission of packet flows in a network device on a per-flow basis. The system includes multiple token buckets corresponding to the output ports of the network device, multiple...
6901592 Method and apparatus for the enumeration of sets of concurrently scheduled events  
A method for enumerating sets of concurrent events handles single-shot events and recurring events. The method involves creating a data structure having records for time periods. The time periods...
6895440 Network component performance testing  
A method and system for testing. In one embodiment, the method includes but is not limited to coupling one or more modified frame relay sub-interface entities internal to at least one network...
6894974 Method, apparatus, media, and signals for controlling packet transmission rate from a packet source  
A method, apparatus, computer readable media and signal embodied in a carrier wave for controlling the rate at which data packets are transmitted from a source responsive to acknowledgement signals...
6888796 Communication connecting device adaptive to an IP network and communication rate control method therefor  
A communication connecting device includes a data storage to which data read by a scanner are written. A packetizer packetizes the data read out of the data storage in accordance with a packet size...
6876629 Rate-controlled multi-class high-capacity packet switch  
A packet switch includes ingress modules, egress modules, and a switch core. Packets of variable sizes may be divided into segments of predetermined sizes to facilitate switching within the switch...
6874096 Apparatus and method for detecting packet arrival time  
A detector for detecting packet arrival time for packets received by a Home Phoneline Network Alliance (HPNA) receiver. The detector correlates received preamble symbols with stored preamble...
6865150 System and method for controlling admission of voice communications in a packet network  
A system and method for controlling admission of a communication in a network are disclosed. In the network, a virtual circuit having a predetermined bandwidth is provided. A request is received...
6865220 System and method for implementing an end-to-end error-correcting protocol in a voice band data relay system  
A system and method to establish an end-to-end error correcting protocol between two voice band data modems over a network including voice band data relay gateways, where part of the end-to-end...
6859436 Bandwidth control method, cell transmitting apparatus, and traffic control system  
A cell transmitting device receives cells for transmission to a cell receiving device on a connection in a communication network. The connection has a minimum cell rate, established when the...
6856948 Call admission control for nonhomogenous sources  
A reliable system and method is provided for approximating a required network capacity for inhomogeneous self-similar traffic sources in a multimedia packet network. A diffusion model is first...