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System for improving affirmed transmission within packet data network

A packet data network and packet confirmation technology, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve problems such as increasing hardware and time requirements

Inactive Publication Date: 2006-04-26
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Implementing such a system greatly increases the required hardware and time requirements

Method used

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  • System for improving affirmed transmission within packet data network
  • System for improving affirmed transmission within packet data network
  • System for improving affirmed transmission within packet data network

Examples

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Embodiment Construction

[0023] Referring now to the drawings, and more particularly to FIG.-1, it illustrates a system in which the present invention operates. A sending system 10 transmits packet data to a receiving system 20 via a network 15 . Network 15 includes a packet-switched network, such as the Internet, which uses a sliding window transmission protocol (eg, TCP) that uses returned acknowledgments as an indication that a packet has left the network in order to preserve the number of outstanding packets within the network. The bandwidth of the forward path 25 will be wider than the bandwidth of the reverse path 30, so the system includes an asymmetric network. Transmissions from the sending system 10 to the receiving system 20 take place via the forward path 25 , while acknowledgment transmissions for data packets received from the receiving system 10 are sent via the reverse path 30 .

[0024] Referring now to FIG.-2, it illustrates a packet data transmission system including the transmitti...

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Abstract

A method and system are disclosed for transmitting acknowledgments (30) from an acknowledgment queue (40) of a receiving system (20) to a sending system (10) in response to receiving a data from the sending system (10) Group (25). An acknowledgment compressor (45) co-located with acknowledgments from the acknowledgment queue (40) in the receiving system (20) compresses the acknowledgments (55) in the acknowledgment queue (40) into a single acknowledgment packet (65). The single acknowledgment packet (65) is transmitted from the receiving system (20) to the sending system (10) via a packet data network (15), during which it is sent by the acknowledgment decompressor (50) before being received by the sending system (10). intercept at a certain point. An acknowledgment decompressor (50) regenerates a plurality of acknowledgments (55) from the single acknowledgment packet (65) and transmits the decompressed plurality of acknowledgments (55) to the sending system (10).

Description

Background of the invention [0001] technical field of invention [0002] The present invention relates to packet data acknowledgment transmission and, more particularly, to improved transmission of received data packet acknowledgments within a packet data network having asymmetric access links. [0003] Related technical description [0004] Many applications used today on integrated networks such as the Internet are asymmetrical, meaning that these applications receive more data than they send. Thus, it makes sense to use asymmetric links for these applications to use system resources more efficiently. In an asymmetric access link, the link from the sending system to the receiving system includes different properties than the link from the receiving system to the sending system. More generally, the link between the sending system and the receiving system has a higher bandwidth than the link between the receiving system and the sending system. The concept of an asymmetr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/16H04L1/18H04L12/56H04L29/08
CPCH04L1/1635H04L1/1678H04L1/1841H04L1/1854H04L1/187
Inventor J·库兰德C·坎荣A·斯文松
Owner TELEFON AB LM ERICSSON (PUBL)
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