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Method and device for performing of network operations

A network operation and execution network technology, applied in data exchange networks, instruments, multi-program devices, etc., can solve problems such as lack of transparency in applications

Inactive Publication Date: 2005-01-19
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] But the downside of this solution is that there is no transparency to the application

Method used

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  • Method and device for performing of network operations
  • Method and device for performing of network operations
  • Method and device for performing of network operations

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Embodiment Construction

[0026] will pass later figure 1 to explain the present invention.

[0027] according to figure 1 , the application 1 invokes a system call 2, which is transferred in step 3 to a module, the so-called pipeline module. The primary task of the pipeline module is to determine the execution mode of the system call 4, that is, whether it is a blocking system call or a non-blocking system call. If the pipeline module confirms that the system call is a blocking call, it will process it in a well-known manner, that is, start the network operation 5 and still block the calling application 6 until the result 7 of the started network operation is returned. exist figure 1 The blocking state of the application can be identified in : there is no arrow back to the application from the blocking execution mode, but only the start of the network operation5. Returns a logical value of 8 directly to the application in the case of a non-blocking system call. This step makes it possible for ...

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Abstract

The invention relates to a method and a device for a fast performance of network operations via a network with high delay times by means of a module for processing system calls of an application layer and for initiating network operations of a network layer. In said module a differentiation between a blocking and a non-blocking implementation mode is made. A non-blocking execution mode means that the considered system call returns a logical value as result to the application, which signalizes whether the system call was successfully executed. In this case it is provided by the invention to directly send a logical value to the application when a non-blocking system call is called, without having waited for the actual result of the operation executed in the communicating partner instance and corresponding to the system call. The handling of the results of the actually executed operations takes place at a later time.

Description

technical field [0001] The present invention relates to a method and a device for rapidly performing network operations over a network characterized by high latency. Background technique [0002] An example of a high latency network is a GSM (Global System for Mobile Communications) network. The GSM network is a digital mobile communication network with an available data rate of 9.6kBit / s per channel. Compared with current fixed networks such as ISDN (Integrated Services Digital Network) with a data rate of up to 64kBit / s, the data rate of GSM is relatively small. Therefore, the GSM connection heavily affects the absolute throughput of the entire connection in a heterogeneous network connection, ie in a connection extending over at least two different networks. This is particularly problematic when the GSM user has established a connection to an Internet Service Provider (ISP) for so-called web surfing and / or downloading data from the Internet. In said scenario, the GSM c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/00G06F9/46H04L12/801H04L29/06H04L29/08H04L29/10
CPCH04L69/32H04L47/193H04L67/40H04L67/133
Inventor S·鲍克M·兹穆达
Owner TELEFON AB LM ERICSSON (PUBL)
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