WO2010069217A1

WO2010069217A1 - Peer-to-peer data transmission system and method

Info

Publication number: WO2010069217A1
Application number: PCT/CN2009/075107
Authority: WO
Inventors: 华有为
Original assignee: 腾讯科技（深圳）有限公司
Priority date: 2008-12-16
Filing date: 2009-11-24
Publication date: 2010-06-24
Also published as: CN101447926A

Abstract

A peer-to-peer data transmission system and method are provided. The system has a transmitting terminal and a receiving terminal for data transmission through a network channel. The method comprises the following steps. The transmitting terminal is provided with a data partitioning module which partitions the data to be transmitted according to a pre-set partitioning unit. The data partitioning module transmits the partitioned data to the receiving terminal through the network channel. The receiving terminal is provided with a data checking module which checks the partitioned data received from the transmitting terminal.

Description

Point-to-point data transmission system and method

Technical field

The present invention relates to the field of computer network technologies, and more particularly to a point-to-point data transmission system and method. Background of the invention

Peer-to-Peer (P2P) technology refers to the direct transfer of data between network users, and the nodes that perform data transmission are peers. At present, P2P technology is widely used, and instant communication technology is a typical representative of P2P technology. Through P2P technology, both parties of instant messaging can directly transmit data in text, voice or video.

When data is transmitted point-to-point through the network channel, the data in each channel (that is, the fragmented data) is large, so the bandwidth occupied is large, resulting in slow data transmission. In addition, due to the large amount of data in the channel, it is difficult to share data in each channel, and the memory consumption is also large. Summary of the invention

One of the objects of the present invention is to provide a point-to-point data transmission system and method for solving the problem of slow data transmission in the prior art.

In order to achieve the object of the invention, the system includes a transmitting terminal and a receiving terminal for performing data transmission through a network channel, and the transmitting terminal includes a data dividing module, and the data to be transmitted is divided according to a preset dividing unit to send the divided data to the receiving. The receiving terminal includes a data verification module, and performs verification on the divided data.

According to another aspect of the present invention, a point-to-point data transmission method is provided, which is used for data transmission between a transmitting terminal and a receiving terminal through a network channel, and includes the following steps: A. The transmitting terminal divides the to-be-transmitted according to a preset dividing unit. Data, and the number after segmentation According to the transmission to the receiving terminal through the network channel; B. The receiving terminal checks the received divided data.

According to the above system and method of the present invention, the amount of data in the network channel can be made small, and thus the occupied bandwidth is small, thereby increasing the data transmission speed. BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic structural diagram of a point-to-point data transmission system according to the present invention; FIG. 2 is a schematic diagram showing the structure of a point-to-point data transmission system in an embodiment of the present invention;

Figure 3 is a block diagram showing the structure of a point-to-point data transmission system in one embodiment of the present invention;

4 is a flow chart of a point-to-point data transmission method in an embodiment of the present invention;

Figure 5 is a flow chart showing a method of verifying divided data in an embodiment of the present invention;

Figure 6 is a flow diagram of a point-to-point data transmission method in one embodiment of the present invention. Mode for carrying out the invention

In the present invention, the transmitting terminal divides the transmitted data according to a preset dividing unit, and transmits the divided data to the receiving terminal, and the receiving terminal checks the divided data. This improves the data transfer speed.

1 shows an exemplary structure of a point-to-point based data transmission system in the present invention, the system comprising a plurality of terminals, wherein each terminal can be either a transmitting terminal or a receiving terminal. 2 shows the structure of a point-to-point data transmission system in accordance with an embodiment of the present invention. The system is a concise system of the present invention, including a transmitting terminal 100 and a receiving terminal 200 for transmitting data through the network channel with the transmitting terminal 100. . It should be noted that the connection relationship between the devices in all the diagrams of the present invention is for the purpose of clearly explaining the information interaction and control process thereof, and therefore should be regarded as a logical connection relationship. In addition, it should be noted that the communication manner between the functional modules may be various, and the protection scope of the present invention should not be limited to a specific type of communication manner. among them:

The transmitting terminal 100 includes a data sending module 101 and a data dividing module 102, where: the data sending module 101 is configured to send the split data to the receiving terminal through a network channel.

200„

The data segmentation module 102 performs data interaction with the data sending module 101 for segmenting the data to be transmitted according to the preset splitting unit, and transmitting the split data to the receiving terminal by the data sending module 101.

The receiving terminal 200 includes a data receiving module 201 and a data checking module 203, wherein: the data receiving module 201 is configured to receive the divided data sent by the transmitting terminal 100.

The data verification module 203 performs data interaction with the data receiving module 201 for verifying the divided data.

It should be noted that the transmitting terminal 100 and the receiving terminal 200 are relatively opposite. In the point-to-point data transmission system, each terminal performing data transmission may be either a transmitting terminal or a receiving terminal. In addition, the network channel for transmitting data between terminals may be a P2P channel, an HTTP channel, and/or other network channels. When each channel simultaneously transmits the divided data, the amount of data in the channel is relatively small, occupying less bandwidth, and thus the speed of data transmission can be improved.

3 is a diagram showing the structure of a point-to-point data transmission system in another embodiment of the present invention, which is a more detailed system on the basis of the above embodiment, including a transmission terminal for data transmission through a network channel. 100 and receiving terminal 200, wherein: The composition of the transmitting terminal 100 is the same as that of the foregoing embodiment, and details are not described herein again.

The receiving terminal 200 includes an accumulation module 202 and a storage module 204 in addition to the data receiving module 201 and the data verification module 203 described above, wherein:

The accumulation module 202 performs data interaction with the data receiving module 201 and the data verification module 203, respectively, for accumulating the received divided data, performing threshold determination on the accumulated data, and transmitting data reaching the threshold to the data. Verification module 203.

The storage module 204 performs data interaction with the accumulation module 202 and the data verification module 203, respectively, for storing the correct accumulated data.

In one embodiment, the data verification module 203 is further configured to obtain a hash value of the data reaching the threshold, and check whether the data reaching the threshold is correct according to the hash value, and store the data with the correct verification to the storage. Module 204.

In one embodiment, the preset division unit is preferably set to 1K, and may of course be set to other sizes (e.g., 2K, 3Κ, 4Κ, etc.), but should not be set too large. The threshold can be set to be greater than 1K, preferably set to 128K, or set to other sizes, typically between 32Κ: ~ 512K.

FIG. 4 shows a flow of a point-to-point data transmission method according to an embodiment of the present invention. The method flow is based on the system structure shown in FIG. 2, and the specific process is as follows:

In step S401, the transmitting terminal 100 divides the data to be transmitted according to a preset dividing unit, and transmits the divided data to the receiving terminal 200 through the network channel.

In step S402, the receiving terminal 200 checks the received divided data. In an embodiment, before performing all the steps, the method further comprises: setting a preset splitting unit in the transmitting terminal 100.

In one embodiment, the preset split unit is preferably set to 1K, and may be set to other sizes. The network channel for data transmission between the transmitting terminal 100 and the receiving terminal 200 may be a channel, an HTTP channel, and/or other network channels. FIG. 5 is a flowchart of a method for verifying split data according to an embodiment of the present invention. The method is based on the system structure shown in FIG. 3, and the specific process is as follows:

The threshold is set at the receiving terminal 200 before all the steps are performed. The threshold size is greater than 1K, preferably set to 128K. It is also possible to set the threshold to other sizes, typically between 32 Κ: ~ 512K.

In step S501, the accumulation module 202 of the receiving terminal 200 accumulates the divided data, and performs threshold determination on the accumulated data.

In step S502, the data verification module 203 checks the data that reaches the threshold. In one embodiment, the data verification module 203 obtains a hash value of the data that reaches the threshold, and verifies whether the data that reaches the threshold is correct based on the hash value, and stores the data that is correctly verified.

FIG. 6 shows a flow of a point-to-point data transmission method in an embodiment of the present invention. This embodiment describes in detail a specific implementation process of data transmission, which is specifically as follows:

Before performing all the steps, the transmission terminal 100 sets a preset division unit, and the reception terminal 200 sets a threshold. In one embodiment, the preset split unit is set to 1K, the threshold is set to be greater than 1K, and preferably set to 128K.

In step S601, the data dividing module 102 of the transmitting terminal 100 divides the transmitted data according to a preset dividing unit to obtain the divided data. In a preferred embodiment, the predetermined division unit is 1K, and the data division module 102 divides the transmitted data by 1K.

In step S602, the data transmitting module 101 transmits the divided data to the receiving terminal 200 through various network channels. In one embodiment, the network channel may include a Ρ2Ρ channel, an HTTP channel, and/or other network channels, and the like.

In step S603, the data receiving module 201 of the receiving terminal 200 receives the divided data, and the accumulation module 202 accumulates the divided data.

In step S604, it is determined whether the accumulated data in the accumulation module 202 reaches the threshold, if If yes, go to step S605, otherwise, go back to step S603.

In step S605, the data verification module 203 acquires a hash value of the data reaching the threshold. In a preferred embodiment, the preset splitting unit is set to 1K, and the threshold size is set to 128K. When the accumulated data of the accumulation module 202 reaches 128K, the data verification module 203 obtains the hash of the 128K data according to the hash algorithm. value.

In step S606, the data verification module 203 verifies whether the data reaching the threshold is correct based on the hash value. If yes, the process proceeds to step S607, otherwise, the process returns to step S603. Regarding whether the data is verified according to the hash algorithm is a prior art, it will not be described here.

In step S607, the accumulated accumulated data is stored to the storage module 204.

It should be noted that the point-to-point data transmission system and method provided by the present invention are used for data transmission between terminals, that is, the data transmission system and method provided by the present invention can be used between clients. The data transmission system and method provided by the present invention can also be employed between the client and the server.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

Claim

A point-to-point data transmission system, comprising: a transmitting terminal and a receiving terminal for transmitting data through a network channel, wherein

The sending terminal includes: a data dividing module, configured to divide data to be transmitted according to a preset dividing unit, to send the divided data to the receiving terminal;

The receiving terminal includes: a data verification module, configured to perform verification on the divided data.

The system according to claim 1, wherein the receiving terminal further comprises: an accumulation module, configured to accumulate the received divided data, perform threshold determination on the accumulated data, and The data reaching the threshold is sent to the data verification module.

The system according to claim 2, wherein the data verification module is configured to acquire a hash value of the data reaching the threshold, and verify the data reaching the threshold according to the hash value. Is it correct, and further verify that the correct data is stored.

The point-to-point data transmission system according to any one of claims 1 to 3, wherein the preset division unit is 1K, and the threshold is greater than 1K:.

5. A point-to-point data transmission method, configured for data transmission between a transmitting terminal and a receiving terminal through a network channel, wherein the method comprises the following steps:

A. The transmitting terminal divides the data to be transmitted according to a preset dividing unit, and transmits the divided data to the receiving terminal through the network channel;

B. The receiving terminal checks the received divided data.

The point-to-point data transmission method according to claim 5, wherein the step A further comprises: setting a preset splitting unit in the transmitting terminal.

The point-to-point data transmission method according to claim 5, wherein the step B comprises:

B. The receiving terminal accumulates the divided data and performs the accumulated data. Threshold judgment

B2. Verify the data that reaches the threshold.

The point-to-point data transmission method according to claim 7, wherein the step B2 comprises: obtaining a hash value of the data reaching the threshold, and verifying that the threshold is reached according to the hash value. Is the data correct?

The step B2 further includes: storing the correct data for storage.

The point-to-point data transmission method according to claim 7, further comprising: setting a threshold at the receiving terminal.

The point-to-point data transmission method according to any one of claims 5 to 9, wherein the preset division unit is 1K, and the threshold is greater than 1K.