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Queueing theory

Index Queueing theory

Queueing theory is the mathematical study of waiting lines, or queues. [1]

76 relations: Agner Krarup Erlang, Aleksandr Khinchin, Andrey Markov, Backpressure routing, Balance equation, BCMP network, Buzen's algorithm, Cass Business School, Computing, David George Kendall, Diffusion process, Ehrenfest model, Empirical measure, Erlang (unit), Erol Gelenbe, Exponential distribution, Felix Pollaczek, FIFO (computing and electronics), Flow network, G-network, G/G/1 queue, Gordon–Newell theorem, Industrial engineering, Integral equation, Jackson network, John Kingman, Journal of the ACM, Kelly network, Kendall's notation, Kingman's formula, M/D/1 queue, M/D/c queue, M/G/1 queue, M/G/k queue, M/M/1 queue, Management Science (journal), Markov chain, Mathematical Proceedings of the Cambridge Philosophical Society, Matrix analytic method, Matrix geometric method, Mean field theory, Mean sojourn time, Mean value analysis, Network scheduler, Network simulation, Normalizing constant, Operations research, Operations Research (journal), Ornstein–Uhlenbeck process, Orthant, ..., Phase-type distribution, Poisson distribution, Poisson point process, Pollaczek–Khinchine formula, Probability distribution, Processor sharing, Product-form solution, Project production management, Queue area, Queue management system, Queueing Systems, Queuing delay, Queuing Rule of Thumb, Random early detection, Reflected Brownian motion, Renewal theory, Scheduling (computing), Shortest job next, Shortest remaining time, Stack (abstract data type), Stochastic scheduling, Telecommunication, Throughput, Traffic congestion, Traffic engineering (transportation), Traffic generation model. Expand index (26 more) »

Agner Krarup Erlang

Agner Krarup Erlang (1 January 1878 – 3 February 1929) was a Danish mathematician, statistician and engineer, who invented the fields of traffic engineering and queueing theory.

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Aleksandr Khinchin

Aleksandr Yakovlevich Khinchin (Алекса́ндр Я́ковлевич Хи́нчин, Alexandre Khintchine; July 19, 1894 – November 18, 1959) was a Soviet mathematician and one of the most significant people in the Soviet school of probability theory.

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Andrey Markov

Andrey (Andrei) Andreyevich Markov (Андре́й Андре́евич Ма́рков, in older works also spelled Markoff) (14 June 1856 N.S. – 20 July 1922) was a Russian mathematician.

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Backpressure routing

In queueing theory, a discipline within the mathematical theory of probability, the backpressure routing algorithm is a method for directing traffic around a queueing network that achieves maximum network throughput, which is established using concepts of Lyapunov drift.

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Balance equation

In probability theory, a balance equation is an equation that describes the probability flux associated with a Markov chain in and out of states or set of states.

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BCMP network

In queueing theory, a discipline within the mathematical theory of probability, a BCMP network is a class of queueing network for which a product-form equilibrium distribution exists.

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Buzen's algorithm

In queueing theory, a discipline within the mathematical theory of probability, Buzen's algorithm (or convolution algorithm) is an algorithm for calculating the normalization constant G(N) in the Gordon–Newell theorem.

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Cass Business School

Cass Business School (short for the Sir John Cass Business School) was established in 1966, and is City, University of London's business school, located in the St Luke's area.

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Computing

Computing is any goal-oriented activity requiring, benefiting from, or creating computers.

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David George Kendall

David George Kendall FRS (15 January 1918 – 23 October 2007) was an English statistician and mathematician, known for his work on probability, statistical shape analysis, ley lines and queueing theory.

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Diffusion process

In probability theory and statistics, a diffusion process is a solution to a stochastic differential equation.

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Ehrenfest model

The Ehrenfest model (or dog-flea model) of diffusion was proposed by Tatiana and Paul Ehrenfest to explain the second law of thermodynamics.

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Empirical measure

In probability theory, an empirical measure is a random measure arising from a particular realization of a (usually finite) sequence of random variables.

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Erlang (unit)

The erlang (symbol E) is a dimensionless unit that is used in telephony as a measure of offered load or carried load on service-providing elements such as telephone circuits or telephone switching equipment.

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Erol Gelenbe

No description.

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Exponential distribution

No description.

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Felix Pollaczek

Félix Pollaczek (1 December 1892 in Vienna – 29 April 1981 at Boulogne-Billancourt) was an Austrian-French engineer and mathematician, known for numerous contributions to number theory, mathematical analysis, mathematical physics and probability theory.

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FIFO (computing and electronics)

FIFO is an acronym for first in, first out, a method for organizing and manipulating a data buffer, where the oldest (first) entry, or 'head' of the queue, is processed first.

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Flow network

In graph theory, a flow network (also known as a transportation network) is a directed graph where each edge has a capacity and each edge receives a flow.

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G-network

In queueing theory, a discipline within the mathematical theory of probability, a G-network (generalized queueing network or Gelenbe network) is an open network of G-queues first introduced by Erol Gelenbe as a model for queueing systems with specific control functions, such as traffic re-routing or traffic destruction, as well as a model for neural networks.

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G/G/1 queue

In queueing theory, a discipline within the mathematical theory of probability, the G/G/1 queue represents the queue length in a system with a single server where interarrival times have a general (meaning arbitrary) distribution and service times have a (different) general distribution.

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Gordon–Newell theorem

In queueing theory, a discipline within the mathematical theory of probability, the Gordon–Newell theorem is an extension of Jackson's theorem from open queueing networks to closed queueing networks of exponential servers where customers cannot leave the network.

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Industrial engineering

Industrial engineering is a branch of engineering which deals with the optimization of complex processes, systems, or organizations.

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Integral equation

In mathematics, an integral equation is an equation in which an unknown function appears under an integral sign.

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Jackson network

In queueing theory, a discipline within the mathematical theory of probability, a Jackson network (sometimes Jacksonian network) is a class of queueing network where the equilibrium distribution is particularly simple to compute as the network has a product-form solution.

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John Kingman

Sir John Frank Charles Kingman (born 28 August 1939) is a British mathematician.

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Journal of the ACM

The Journal of the ACM is a peer-reviewed scientific journal covering computer science in general, especially theoretical aspects.

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Kelly network

In queueing theory, a discipline within the mathematical theory of probability, a Kelly network is a general multiclass queueing network.

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Kendall's notation

In queueing theory, a discipline within the mathematical theory of probability, Kendall's notation (or sometimes Kendall notation) is the standard system used to describe and classify a queueing node.

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Kingman's formula

In queueing theory, a discipline within the mathematical theory of probability, Kingman's formula also known as the VUT equation, is an approximation for the mean waiting time in a G/G/1 queue.

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M/D/1 queue

In queueing theory, a discipline within the mathematical theory of probability, an M/D/1 queue represents the queue length in a system having a single server, where arrivals are determined by a Poisson process and job service times are fixed (deterministic).

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M/D/c queue

In queueing theory, a discipline within the mathematical theory of probability, an M/D/c queue represents the queue length in a system having c servers, where arrivals are determined by a Poisson process and job service times are fixed (deterministic).

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M/G/1 queue

In queueing theory, a discipline within the mathematical theory of probability, an M/G/1 queue is a queue model where arrivals are Markovian (modulated by a Poisson process), service times have a General distribution and there is a single server.

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M/G/k queue

In queueing theory, a discipline within the mathematical theory of probability, an M/G/k queue is a queue model where arrivals are Markovian (modulated by a Poisson process), service times have a General distribution and there are k servers.

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M/M/1 queue

In queueing theory, a discipline within the mathematical theory of probability, an M/M/1 queue represents the queue length in a system having a single server, where arrivals are determined by a Poisson process and job service times have an exponential distribution.

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Management Science (journal)

Management Science is a peer-reviewed academic journal that covers research on all aspects of management related to strategy, entrepreneurship, innovation, information technology, and organizations as well as all functional areas of business, such as accounting, finance, marketing, and operations.

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Markov chain

A Markov chain is "a stochastic model describing a sequence of possible events in which the probability of each event depends only on the state attained in the previous event".

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Mathematical Proceedings of the Cambridge Philosophical Society

Mathematical Proceedings of the Cambridge Philosophical Society is a mathematical journal published by Cambridge University Press for the Cambridge Philosophical Society.

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Matrix analytic method

In probability theory, the matrix analytic method is a technique to compute the stationary probability distribution of a Markov chain which has a repeating structure (after some point) and a state space which grows unboundedly in no more than one dimension.

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Matrix geometric method

In probability theory, the matrix geometric method is a method for the analysis of quasi-birth–death processes, continuous-time Markov chain whose transition rate matrices with a repetitive block structure.

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Mean field theory

In physics and probability theory, mean field theory (MFT also known as self-consistent field theory) studies the behavior of large and complex stochastic models by studying a simpler model.

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Mean sojourn time

The mean sojourn time (or sometimes mean waiting time) for an object in a system is the amount of time an object is expected to spend in a system before leaving the system for good.

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Mean value analysis

In queueing theory, a discipline within the mathematical theory of probability, mean value analysis (MVA) is a recursive technique for computing expected queue lengths, waiting time at queueing nodes and throughput in equilibrium for a closed separable system of queues.

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Network scheduler

A network scheduler, also called packet scheduler, queueing discipline, qdisc or queueing algorithm, is an arbiter on a node in packet switching communication network.

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Network simulation

In computer network research, network simulation is a technique whereby a software program models the behavior of a network by calculating the interaction between the different network entities (routers, switches, nodes, access points, links etc.). Most simulators use discrete event simulation - the modeling of systems in which state variables change at discrete points in time.

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Normalizing constant

The concept of a normalizing constant arises in probability theory and a variety of other areas of mathematics.

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Operations research

Operations research, or operational research in British usage, is a discipline that deals with the application of advanced analytical methods to help make better decisions.

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Operations Research (journal)

Operations Research is a bimonthly peer-reviewed academic journal covering operations research that is published by INFORMS.

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Ornstein–Uhlenbeck process

In mathematics, the Ornstein–Uhlenbeck process (named after Leonard Ornstein and George Eugene Uhlenbeck), is a stochastic process that, roughly speaking, describes the velocity of a massive Brownian particle under the influence of friction.

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Orthant

In geometry, an orthant or hyperoctant is the analogue in n-dimensional Euclidean space of a quadrant in the plane or an octant in three dimensions.

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Phase-type distribution

No description.

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Poisson distribution

In probability theory and statistics, the Poisson distribution (in English often rendered), named after French mathematician Siméon Denis Poisson, is a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space if these events occur with a known constant rate and independently of the time since the last event.

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Poisson point process

In probability, statistics and related fields, a Poisson point process or Poisson process (also called a Poisson random measure, Poisson random point field or Poisson point field) is a type of random mathematical object that consists of points randomly located on a mathematical space.

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Pollaczek–Khinchine formula

In queueing theory, a discipline within the mathematical theory of probability, the Pollaczek–Khinchine formula states a relationship between the queue length and service time distribution Laplace transforms for an M/G/1 queue (where jobs arrive according to a Poisson process and have general service time distribution).

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Probability distribution

In probability theory and statistics, a probability distribution is a mathematical function that provides the probabilities of occurrence of different possible outcomes in an experiment.

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Processor sharing

Processor sharing or egalitarian processor sharing is a service policy where the customers, clients or jobs are all served simultaneously, each receiving an equal fraction of the service capacity available.

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Product-form solution

In probability theory, a product-form solution is a particularly efficient form of solution for determining some metric of a system with distinct sub-components, where the metric for the collection of components can be written as a product of the metric across the different components.

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Project production management

Project production management (PPM) is the application of operations managementA Guide to the Project Management Body of Knowledge, Fifth Edition, Project Management Institute Sec 1.5.1.1, p13 http://www.pmi.org/pmbok-guide-standards/foundational/pmbok to the delivery of capital projects.

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Queue area

Queue areas are places in which people queue (first-come, first-served) for goods or services.

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Queue management system

A queue management system is used to control queues.

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Queueing Systems

Queueing Systems is a peer-reviewed scientific journal covering queueing theory.

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Queuing delay

In telecommunication and computer engineering, the queuing delay or queueing delay is the time a job waits in a queue until it can be executed.

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Queuing Rule of Thumb

The Queuing Rule of Thumb is a simple formula used to compute a rough approximation of the proper number of servers in a queue.

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Random early detection

Random early detection (RED), also known as random early discard or random early drop is a queueing discipline for a network scheduler suited for congestion avoidance.

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Reflected Brownian motion

In probability theory, reflected Brownian motion (or regulated Brownian motion, both with the acronym RBM) is a Wiener process in a space with reflecting boundaries.

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Renewal theory

Renewal theory is the branch of probability theory that generalizes Poisson processes for arbitrary holding times.

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Scheduling (computing)

In computing, scheduling is the method by which work specified by some means is assigned to resources that complete the work.

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Shortest job next

Shortest job next (SJN), also known as shortest job first (SJF) or shortest process next (SPN), is a scheduling policy that selects for execution the waiting process with the smallest execution time.

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Shortest remaining time

Shortest remaining time, also known as shortest remaining time first (SRTF), is a scheduling method that is a preemptive version of shortest job next scheduling.

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Stack (abstract data type)

In computer science, a stack is an abstract data type that serves as a collection of elements, with two principal operations.

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Stochastic scheduling

Stochastic scheduling concerns scheduling problems involving random attributes, such as random processing times, random due dates, random weights, and stochastic machine breakdowns.

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Telecommunication

Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.

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Throughput

In general terms, throughput is the maximum rate of production or the maximum rate at which something can be processed.

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Traffic congestion

Traffic congestion is a condition on transport networks that occurs as use increases, and is characterized by slower speeds, longer trip times, and increased vehicular queueing.

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Traffic engineering (transportation)

Traffic engineering is a branch of civil engineering that uses engineering techniques to achieve the safe and efficient movement of people and goods on roadways.

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Traffic generation model

A traffic generation model is a stochastic model of the traffic flows or data sources in a communication network, for example a cellular network or a computer network.

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References

[1] https://en.wikipedia.org/wiki/Queueing_theory

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