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・ Weighted capitation formula
・ Weighted clothing
・ Weighted constraint satisfaction problem
・ Weighted context-free grammar
・ Weighted correlation network analysis
・ Weighted fair queueing
・ Weighted geometric mean
・ Weighted Majority Algorithm
・ Weighted matroid
・ Weighted median
・ Weighted Micro Function Points
・ Weighted network
・ Weighted product model
・ Weighted projective space
・ Weighted random early detection
Weighted round robin
・ Weighted silk
・ Weighted space
・ Weighted statistics
・ Weighted sterling
・ Weighted sum model
・ Weighted Voronoi diagram
・ Weighted voting
・ Weighted-average life
・ Weighted-average loan age
・ Weighted-knuckle glove
・ Weighting
・ Weighting curve
・ Weighting filter
・ Weighting pattern


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Weighted round robin : ウィキペディア英語版
Weighted round robin

Weighted round robin (WRR) is a network scheduling discipline. Each packet flow or connection has its own packet queue in a network interface controller. It is the simplest approximation of generalized processor sharing (GPS). While GPS serves infinitesimal amounts of data from each nonempty queue, WRR serves a number of packets for each nonempty queue: number = normalized( weight / mean packet size ).
== Algorithm ==

WRR mechanism (pseudo-code):
// calculate number of packets to be served each round by connections

for each flow f
f.normalized_weight = f.weight / f.mean_packet_size

min = findSmallestNormalizedWeight

for each flow f
f.packets_to_be_served = f.normalized_weight / min

// main loop
loop
for each non-empty flow queue f
min(f.packets_to_be_served, f.packets_waiting).times do
servePacket f.getPacket

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Weighted round robin」の詳細全文を読む



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