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Method and system for receiving and transmitting data through network broadcast

A technology for network broadcasting and data transmission, applied in a field of receiving and transmitting data, it can solve the problems that the client cannot confirm data packets, are incomplete, and cannot be used, and achieve the effect of improving the transmission speed of network data.

Inactive Publication Date: 2010-03-10
PEGATRON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although this data transmission method can improve the transmission efficiency, the client cannot confirm whether the data packet is correct or not before writing the data, so the copied data file may be wrong or incomplete because the client receives an invalid data packet; Furthermore, this data transmission method takes the data packet before the start position as the end point to determine that the data copy is completed. If a packet is missed during the data transmission process, the client's data will be wrong or incomplete and cannot be copied. use, and the user must wait until the downloaded data is used to find that the data is wrong or incomplete, and then download it again, which is very inconvenient for the user.

Method used

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  • Method and system for receiving and transmitting data through network broadcast
  • Method and system for receiving and transmitting data through network broadcast
  • Method and system for receiving and transmitting data through network broadcast

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Embodiment Construction

[0015] The method of transmitting data by network broadcasting of the present invention is applied to a server 1 transmitting data to multiple clients 2, the server 1 stores files, the files are divided into multiple data blocks, and the multiple data blocks can be divided into multiple broadcast packets. like figure 1 As shown, the method for transmitting data through network broadcasting of the present invention includes the following steps:

[0016] Step 101: Receive file requirements.

[0017] The server 1 uses the server transmission module 12 to receive the file request sent from one of the plurality of clients 2 .

[0018] Step 102: Determine whether the file requirement specifies a part of the data block.

[0019] After the server 1 receives the file request via the servo transmission module 12, it determines whether the file request specifies a part of the data block or not. When the file request specifies a part of the data block, proceed to process B of the serve...

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Abstract

The invention discloses a method for transmitting and receiving data through network broadcast, which is applied to a server transmitting the data to a plurality of clients. The method comprises that:files of a server are encapsulated into broadcast packets and then the broadcast packets are transmitted in a broadcasting way; and after receiving the broadcast packets, the clients judge whether data blocks are integrated and valid, and if not receiving the integrated and valid data blocks, make requests to the server to retransmit all of the data blocks or the given data blocks. The inventionalso discloses a system for transmitting the data through the network broadcast.

Description

technical field [0001] The present invention is a method and system for receiving and transmitting data, especially a method and system for receiving and transmitting data by network broadcasting. Background technique [0002] At present, with the rapid development of network technology, many emerging products such as information appliances (Information Appliance) or network appliances (Internet Appliance) have emerged, such as network storage servers (NAS, Network Attached Storage) that can be directly connected to the network system for remote storage. The user's computer system downloads a large amount of data and stores it to the network storage server through the above-mentioned network system, or downloads data from the network storage server to the user's computer system through the above-mentioned network system. However, in this way, when multiple users download data at the same time, the network storage server must send the data to each user's computer system separ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04H60/76H04L12/18H04L45/16
Inventor 宋斐文
Owner PEGATRON
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