Sliding Window Protocols are a feature of packet-based data transmission protocols. They are used where reliable in-order delivery of packets is required, such as in the data link layer (OSI model) as well as in TCP (transport layer of the OSI model).
Conceptually, each portion of the transmission (packets in most data link layers, but bytes in TCP) is assigned a unique consecutive sequence number, and the receiver uses the numbers to place received packets in the correct order, discarding duplicate packets and identifying missing ones. The problem with this is that there is no limit of the size of the sequence numbers that can be required.
By placing limits on the number of packets that can be transmitted or received at any given time, a sliding window protocol allows an unlimited number of packets to be communicated using fixed-size sequence numbers.
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name: hoang nguyen
nickname: mathhoang
Y!M: vietnam_hoangminhnguyen@yahoo.com
mail: vietnam_hoangminhnguyen@Yahoo.com
site: http://kattyflea.co.cc
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Conceptually, each portion of the transmission (packets in most data link layers, but bytes in TCP) is assigned a unique consecutive sequence number, and the receiver uses the numbers to place received packets in the correct order, discarding duplicate packets and identifying missing ones. The problem with this is that there is no limit of the size of the sequence numbers that can be required.
By placing limits on the number of packets that can be transmitted or received at any given time, a sliding window protocol allows an unlimited number of packets to be communicated using fixed-size sequence numbers.
---
name: hoang nguyen
nickname: mathhoang
Y!M: vietnam_hoangminhnguyen@yahoo.com
mail: vietnam_hoangminhnguyen@Yahoo.com
site: http://kattyflea.co.cc
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