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Method and system for transmission of fragmented packets on a packet-based communication network

A network and packet transmission technology, applied in transmission systems, wireless communications, data exchange through path configuration, etc., can solve problems such as consuming system resources

Inactive Publication Date: 2011-06-15
NORTEL NETWORKS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fragmentation performed by nodes along the transmission path typically requires additional encapsulation headers to be added to the fragmented packets, which introduces additional overhead and consumes additional system resources to assemble and carry such fragmented packet transmissions

Method used

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  • Method and system for transmission of fragmented packets on a packet-based communication network
  • Method and system for transmission of fragmented packets on a packet-based communication network
  • Method and system for transmission of fragmented packets on a packet-based communication network

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Embodiment Construction

[0030] exist figure 1 The general architecture of an IP-based mobile system 100 with a user equipment 101 or mobile node 101 coupled to a transceiver station (Xan) 110 via a wireless connection is shown in . For the purposes of the present invention, the connection to the mobile node may also be a ground-based connection.

[0031] Transceiver station (Xan) 110 is coupled to base station site (eNB) 120 via connection 115 , and base station site (eNB) 120 is coupled to IP network 1125 via connection 122 . IP network 1125 is coupled to foreign agent MAG / SGW 130 on a foreign network via connection 127 , and foreign network MAG / SGW 130 is coupled to IP network 2135 via connection 132 .

[0032]IP network 2135 is coupled to intermediate router RTR 140 via connection 137 . Intermediate router RTR 140 is coupled to IP network 3 via connection 142, and IP network 3 is connected via connection 142 to home agent LMA / PDN 150 on the home network. The invention is described with respect...

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Abstract

The present invention provides a method and system for the identification and discovery of the lowest maximum transmission unit (MTU) size for transmission packets on some or all of the transmission path nodes. Different methods and protocols are described in the present patent application to support the identification and discovery of the lowest maximum transmission unit (MTU) size for fragmented transmission packets.

Description

[0001] related application [0002] This application is related to Provisional Patent Application Serial No. 61 / 053,485 filed May 15, 2008, and claims priority to this earlier application under 35 USC § 119(e). This provisional patent application is also incorporated by reference into the present patent application. technical field [0003] The present invention relates to a method and system for transmission of segmented packets over a packet-based communication network. Background technique [0004] An IP-based mobile system includes at least one mobile node on a wireless communication system. The term "mobile node" includes mobile communication units, and the communication system has a home network and a foreign network in addition to the mobile node. A mobile node may change its point of attachment to these networks, but for IP addressing purposes the mobile node will always be associated with a single home network. The home network has a home agent and the foreign ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L47/36
CPCH04W60/00H04L47/36H04L47/10
Inventor M·哈利勒A·萨希尔A·穆罕纳H·阿赫塔
Owner NORTEL NETWORKS LTD