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Packet-oriented data communications between mobile and fixed data networks

A network and data technology, applied in the field of packet data communication

Inactive Publication Date: 2004-08-04
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution results in additional processing

Method used

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  • Packet-oriented data communications between mobile and fixed data networks
  • Packet-oriented data communications between mobile and fixed data networks
  • Packet-oriented data communications between mobile and fixed data networks

Examples

Experimental program
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Embodiment Construction

[0026] First refer to figure 1 An example of data processing system 80 includes central processing unit (CPU) 10, memory subsystem 20, user input subsystem 30, user output subsystem 40, and network interface 50, all of which are interconnected via bus subsystem 60. During operation, central processing unit 10 executes computer program instruction code stored in memory subsystem 20 . Computer program code includes operating system software and application software for execution with the operating system software.

[0027] Application software operates on data stored in memory subsystem 20 . A user may control the execution of the application software via the user input subsystem 30 . Application software and data may be transferred between memory subsystem 20 and external data network 70 via network interface 50 .

[0028] now refer to figure 2 , an example of a mobile data communication environment includes a mobile data processing device 100 connected to a mobile data co...

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Abstract

A computing device comprises a processor, a memory connected to the processor, and an application program stored in the memory and executable by the processor for generating data for communication to a remote computer system via a network based on a symbolic control information. A communications protocol stack is stored in the memory and executed by the processor for effecting communication of the data from the mobile device to the remote system. The protocol stack has an application layer for receiving the data from the application program and locating the data received in an application layer protocol data unit, and a network layer for receiving the application layer protocol data unit from the application layer, locating the application layer protocol data unit in a network layer protocol data unit, locating the symbolic control information in the network layer protocol data unit separately from the application layer protocol data unit, and forwarding the network layer protocol data unit to the network for transmission to the remote system.

Description

technical field [0001] The present invention relates generally to a packet data communication between mobile and fixed data networks, and more particularly to an address handling for such data communication. Background technique [0002] A typical packet-oriented data network includes a plurality of data processing nodes each having a processor, a memory connected to the processor, computer program code stored in the memory and executable by the processor, and nodes connecting the nodes to the network network interface. The computer program code includes an application program for communicating data with other nodes in the network under program control via a network interface. Data traffic is carried from a source node to a destination in terms of discrete packets or protocol data units (PDUs) involved. Each PDU includes a header part and a payload part. The payload section carries the data to be transmitted. The header section carries control information that can be use...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L29/08H04L29/12
CPCH04L29/06068H04L29/12047H04L61/15H04L29/12009H04L69/329H04L29/08108H04L29/0653H04L29/08072H04L69/22H04L69/08H04L67/04H04L61/45H04L61/00
Inventor 卡尔·宾丁弗朗科伊斯·多利沃雷托·赫尔曼德克·赫塞曼安德烈亚斯·谢德
Owner IBM CORP
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