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Method for circulation transmission of data in multiobject mode in data network

A data network, cyclic transmission technology, applied in transmission systems, data exchange details, electrical digital data processing, etc., can solve problems such as bandwidth cannot be adjusted, data integrity and correctness cannot be guaranteed, and clients cannot receive server data completely. , to reduce the load

Inactive Publication Date: 2005-10-26
顾红波
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Like the above-mentioned video-on-demand system, it is required to download and use data in a timely manner, and the usual method of multi-purpose transmission cannot meet the requirements
[0006] Secondly, the bandwidth used by the server to send data cannot be adjusted according to the bandwidth owned by each client. The bandwidth used by all clients to receive data must be greater than or equal to the bandwidth used by the server to send data, otherwise the client will not be able to completely receive the data sent by the server. data
[0007] The multicast server does not have an error packet retransmission mechanism. When the client computer receives an error data packet, it cannot request the server to resend the data packet, so it is difficult to ensure the integrity and correctness of the data.

Method used

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  • Method for circulation transmission of data in multiobject mode in data network
  • Method for circulation transmission of data in multiobject mode in data network
  • Method for circulation transmission of data in multiobject mode in data network

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Embodiment Construction

[0041] Some concepts involved in the present invention are explained as follows.

[0042]1. Multi-destination transmission

[0043] At present, the term multicast protocol mainly refers to the transmission method in which the TCP / IP protocol suite allows a host to send packets (ie group sending) to a certain subset of all hosts, but other protocols similar to TCP / IP A family such as the AppleTalk protocol family also has a similar function of the protocol, called: "Simple Multicast Routing Protocol (SMRP)". In addition, other protocol families can also develop the same or similar functions as multicast, such as: ATM; IPX / SPX protocol family; CDMA mainly used for wireless transmission; Ethernet protocol among the second layer protocols of the network (ETHERNET) and so on, in wireless data communication, certain carrier frequencies can also be regarded as several multicast transmission groups. As for monocular transmission, almost all protocol families already have this function (po...

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Abstract

A method for transmitting data cyclically in multi-object mode in data network includes storing a group of data divided into data fragments in memory by server, providing the directory information of the data to be transmitted in single-or multi-object mode, transmitting said data fragments to relative object group cyclically by server, and receiving the directory information and then the data by clients. Its advantages are low load of server and network backbone, high downloading speed, and high reliability.

Description

Technical field [0001] The invention relates to the technical field of data transmission in a data network, in particular to a method for cyclically transmitting and receiving data using multi-destination transmission in a data network. Background technique [0002] At present, the main way to transmit data on the Internet is as follows figure 1 The monocular transmission shown is one-to-one transmission of data between the server and the client. Each client requests data from the server, and the server sends a copy of data to the client. For example, when we browse the web or perform video-on-demand over the network, we transmit data in the form of monocular transmission. The client sends a request to the web server, and the web server sends the requested web page to the requesting client. The advantage of the monocular transmission method is: when the server load is not heavy, the client requests the data server to send at any time, and the response is timely; because it is on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/00G06F15/16H04L12/18H04L29/06
Inventor 顾红波
Owner 顾红波
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