翻訳と辞書
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・ Taikō Yoshio
・ Taikōki
・ Taikōria
・ Tail
・ Tail 'Gator
・ Tail (Chinese constellation)
・ Tail (disambiguation)
・ Tail (horse)
・ Tail (song)
・ Tail (Unix)
・ Tail call
・ Tail code
・ Tail Concerto
・ Tail Creek Town
・ Tail dependence
Tail drop
・ Tail fan
・ Tail fat
・ Tail fin
・ Tail flick test
・ Tail Gunner
・ Tail gunner
・ Tail Gunner Joe
・ Tail hook
・ Tail Island
・ Tail lift
・ Tail Lights Fade
・ Tail number
・ Tail o' the Pup
・ Tail of a Tiger


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Tail drop : ウィキペディア英語版
Tail drop
Tail Drop, or Drop Tail, is a very simple queue management algorithm used by Internet routers, e.g. in the network schedulers, and network switches to decide when to drop packets. In contrast to the more complex algorithms like RED and WRED, in Tail Drop the traffic is not differentiated. Each packet is treated identically. With tail drop, when the queue is filled to its maximum capacity, the newly arriving packets are dropped until the queue has enough room to accept incoming traffic.
The name arises from the effect of the policy on incoming datagrams. Once a queue has been filled, the router begins discarding all additional datagrams, thus dropping the tail of the sequence of datagrams. The loss of datagrams causes the TCP sender to enter slow-start, which reduces throughput in that TCP session until the sender begins to receive acknowledgements again and increases its congestion window. A more severe problem occurs when datagrams from multiple TCP connections are dropped, causing global synchronization; i.e. all of the involved TCP senders enter slow-start. This happens because, instead of discarding many segments from one connection, the router would tend to discard one segment from each connection.
==Further reading==

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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「Tail drop」の詳細全文を読む



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