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|Title:||Cut-through buffer management technique for OSI protocol stack|
|Authors:||Poo, G.-S. |
local area networks
OSI protocol layers
|Source:||Poo, G.-S.,Ang, W. (1991-04). Cut-through buffer management technique for OSI protocol stack. Computer Communications 14 (3) : 166-177. ScholarBank@NUS Repository.|
|Abstract:||Data copying is expensive. Buffer management indulging in data copying between protocol layers often limits the network throughput in protocol execution, thus causing heavy performance penalty. A buffer-cut-through technique for avoiding recopying of user data when passed between protocol layers is described. The technique provides common buffers for holding transmit and receive data, and local buffers for protocol header construction and state information keeping. The buffers are managed by a pointer structure of control vectors and a linked-list algorithm, which provide both the intra- and inter-layer linkages of pointers, and the passing of user-data-cum-headers through protocol layers. Performance measurements based on actual protocol implementations show that the improvement of buffer-cut-through over buffer-copied schemes could be as high as 92% or twelve-to-one times advantage. This is better than the recent theoretical prediction based on simulation study. © 1991.|
|Source Title:||Computer Communications|
|Appears in Collections:||Staff Publications|
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