Virtual output queueing (VOQ) is a technique used in certain network switch architectures where, rather than keeping all traffic in a single queue, separate queues are maintained for each possible output location. It addresses a common problem known as head-of-line blocking.[1]
^Goudreau, Mark W.; Kolliopoulos, Stavros G.; Rao, Satish B. (2000). "Scheduling algorithms for input-queued switches: Randomized techniques and experimental evaluation". Proceedings IEEE INFOCOM 2000. Conference on Computer Communications. Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies (Cat. No.00CH37064). Vol. 3. pp. 1634–1643. CiteSeerX 10.1.1.42.5126. doi:10.1109/INFCOM.2000.832562. ISBN 978-0-7803-5880-5. S2CID 11834666.
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Virtualoutputqueueing (VOQ) is a technique used in certain network switch architectures where, rather than keeping all traffic in a single queue, separate...
different product families: 7500R series: Modular chassis with a virtualoutputqueueing (VOQ) fabric supporting from 4 to 16 store and forward line cards...
channels to reduce wormhole blocking has many similarities to using virtualoutputqueueing to reduce head-of-line blocking. A mix of source routing and logical...
Weighted fair queueing (WFQ) is a network scheduling algorithm. WFQ is both a packet-based implementation of the generalized processor sharing (GPS) policy...
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VOQ may refer to: Virtualoutputqueueing Sierra Wireless Voq, a Smartphone Voice of Quellious, a fictional magical item in the video game EverQuest Visiting...
release times, and this delay can usually be modelled as a delay in a virtualoutput buffer. For variable length packets, where the amount of water added...
provide minimal input to achieve the desired output, and also that the machine minimizes undesired outputs to the user. User interfaces are composed of...
generally being aggregated. Many switches use a technique called virtualoutputqueues to eliminate the HOL blocking internally, so will never send pause...
as adding input/output devices not allowed by the standard system. As technology evolves virtual memory for purposes of virtualization, new systems of...
partitioning) that uses SR-IOV virtualization to divide a single 10 Gigabit Ethernet NIC into multiple discrete virtual NICs with dedicated bandwidth,...
peripherals, and other resources. For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between...
Input/output operations per second (IOPS, pronounced eye-ops) is an input/output performance measurement used to characterize computer storage devices...
buffering and queueing. Nowadays, the most common use of spooling is printing: documents formatted for printing are stored in a queue at the speed of...
additional stack space requirements. Virtual threads are used to serialize singleton input/output activities. When a virtual thread is executing, it can hop...
is used for optimization of queueing networks and other stochastic systems. The technique is for stabilizing a queueing network while also minimizing...
an input device (such as a microphone) or just before it is sent to an output device (such as speakers); however, a buffer may be used when data is moved...
Specifically, they are the following: libnetfilter_queue allows to perform userspace packet queueing in conjunction with iptables; based on libnfnetlink...
discussed dealing with the problem of head-of-line blocking using virtualoutputqueues. McKeown holds an honorary doctorate from ETH Zurich. He is a Distinguished...
experimentation. Discrete event simulators run in virtual time, peeling events off the event queue as quickly as possible and advancing their notion of...
as adding input/output devices not allowed by the standard system. As technology evolves virtual memory for purposes of virtualization, new systems of...
addition, applications running in virtual 8086 mode generate a trap with the use of instructions that involve input/output (I/O), which can negatively impact...
Control symbols are also used for flow control (Retry, Buffer Status, VirtualOutputQueue Backpressure) and for error recovery. The error recovery procedure...
al. designed to enable heterogeneous task queueing: a work queue per core, distribution of work into queues, load balancing by work stealing any core...
input or output functions. The simulator is a closed system, with the only input being the initial values of the memory and the process queues, and the...
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