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  2. Round-robin scheduling - Wikipedia

    en.wikipedia.org/wiki/Round-robin_scheduling

    A Round Robin preemptive scheduling example with quantum=3. Round-robin (RR) is one of the algorithms employed by process and network schedulers in computing. [1] [2] As the term is generally used, time slices (also known as time quanta) [3] are assigned to each process in equal portions and in circular order, handling all processes without priority (also known as cyclic executive).

  3. Weighted round robin - Wikipedia

    en.wikipedia.org/wiki/Weighted_round_robin

    Weighted round robin (WRR) is a network scheduler for data flows, but also used to schedule processes. Weighted round robin [ 1 ] is a generalisation of round-robin scheduling . It serves a set of queues or tasks.

  4. Scheduling (computing) - Wikipedia

    en.wikipedia.org/wiki/Scheduling_(computing)

    For example, Windows NT/XP/Vista uses a multilevel feedback queue, a combination of fixed-priority preemptive scheduling, round-robin, and first in, first out algorithms. In this system, threads can dynamically increase or decrease in priority depending on if it has been serviced already, or if it has been waiting extensively.

  5. Proportional-fair scheduling - Wikipedia

    en.wikipedia.org/wiki/Proportional-fair_scheduling

    The proportional fair (= and =) scheduler could be called "equal effort scheduler" or "time/spectrum Round Robin scheduler". This technique can be further parametrized by using a "memory constant" that determines the period of time over which the station data rate used in calculating the priority function is averaged.

  6. Deficit round robin - Wikipedia

    en.wikipedia.org/wiki/Deficit_round_robin

    In weighted round robin scheduling, the fraction of bandwidth used depend on the packet's sizes. Compared with WFQ scheduler that has complexity of O(log(n)) ( n is the number of active flows/queues ), the complexity of DRR is O(1) , if the quantum Q i {\displaystyle Q_{i}} is larger than the maximum packet size of this flow.

  7. Max-min fairness - Wikipedia

    en.wikipedia.org/wiki/Max-min_fairness

    Fair queuing is an example of a max-min fair packet scheduling algorithm for statistical multiplexing and best-effort networks, since it gives scheduling priority to users that have achieved lowest data rate since they became active. In case of equally sized data packets, round-robin scheduling is max-min fair.

  8. Round-robin tournament - Wikipedia

    en.wikipedia.org/wiki/Round-robin_tournament

    Example of a round-robin tournament with 10 participants. A round-robin tournament or all-play-all tournament is a competition format in which each contestant meets every other participant, usually in turn. [1] [2] A round-robin contrasts with an elimination tournament, wherein participants are eliminated after a certain number of wins or losses.

  9. Fair queuing - Wikipedia

    en.wikipedia.org/wiki/Fair_queuing

    Fair queuing uses one queue per packet flow and services them in rotation, such that each flow can "obtain an equal fraction of the resources". [1] [2]The advantage over conventional first in first out (FIFO) or priority queuing is that a high-data-rate flow, consisting of large packets or many data packets, cannot take more than its fair share of the link capacity.