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Method for matching upper protocol layer with high speed serial bus

A high-speed serial bus, protocol layer technology, applied in bus network, data exchange through path configuration, hybrid switch system, etc., can solve problems such as wasting channel resources and overloading

Inactive Publication Date: 2004-04-21
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the latter case, limited channel resources are wasted since channels are allocated to all connections, or even when the amount of data is small
Therefore, when the channel capacity is exceeded, overloading may occur

Method used

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  • Method for matching upper protocol layer with high speed serial bus
  • Method for matching upper protocol layer with high speed serial bus
  • Method for matching upper protocol layer with high speed serial bus

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Embodiment Construction

[0021] figure 2 Data is shown passing through the protocol stack and the data flow therein in order to illustrate the method for matching the upper protocol layers to the high speed serial bus in accordance with the present invention. image 3 is a flowchart illustrating the main steps of a method for matching an upper protocol layer with a high-speed serial bus according to an embodiment of the present invention.

[0022] The method according to the invention for matching the upper protocol layer to the high-speed serial bus is implemented within the IP1394 layer, which is a Media Access Control (MAC) layer. The IP 1394 layer controls data transmission in order to efficiently utilize the transmission method of the IEEE 1394 serial bus. The IP 1394 layer includes a data transfer control layer hereinafter referred to as "Channel Matron" or "Matron" and an Address Translation Protocol (APP) 1394 layer.

[0023] Data transmitted from a certain application is transmitted to the...

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Abstract

A method for matching an upper protocol layer to a high speed serial bus is provided. The method includes the steps of (a) determining whether the length of the data packet transferred from an upper layer to a node of the high speed serial bus is no less than a predetermined length, (b) allocating a channel of the bus and transferring data by an isochronous transfer service when it is determined that the length of the data packet is no less than the predetermined length, and (c) transferring data by an asynchronous transfer service when it is determined that the length of the data packet is less than the predetermined length. According to the above method, it is possible to match an existing communications application where it is not specified which service of the high speed serial bus is to be used to the high speed serial bus, while maintaining transparency of communication protocol and to effectively use the channel resources of the bus.

Description

technical field [0001] The present invention relates to a method for matching an upper protocol layer to a high-speed serial bus, and more particularly, the present invention relates to a method for matching an upper protocol layer to an IEEE 1394 bus so that packet transparency is maintained while , a method of efficiently transferring data packets of existing communication applications to the IEEE 1394 bus. Background technique [0002] The IEEE 1394 bus, which is a high-speed serial bus, allows real-time data transfer for multimedia applications. The IEEE 1394 bus provides asynchronous services, isochronous stream services, and asynchronous stream services. In this specification, isochronous streaming service and asynchronous streaming service are collectively referred to as streaming service. [0003] figure 1 Shows the communication layers that serve common data communication applications such as File Transfer Protocol (FTP) and data streams when packets are transfer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46G06F13/38H04L12/40H04L12/64H04L29/06
CPCH04L12/64H04L69/16H04L29/06095H04L69/166H04L29/06136G06F13/38
Inventor 李喜珍
Owner SAMSUNG ELECTRONICS CO LTD
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