CN102130801A - Data transmission method and system - Google Patents
Data transmission method and system Download PDFInfo
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- CN102130801A CN102130801A CN201010101994.8A CN201010101994A CN102130801A CN 102130801 A CN102130801 A CN 102130801A CN 201010101994 A CN201010101994 A CN 201010101994A CN 102130801 A CN102130801 A CN 102130801A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention relates to a data transmission method which comprises the following steps of: A, receiving a data resource publishing request published by a data resource publishing terminal and informing a downloading terminal according to the request; B, establishing network connection between the data resource publishing terminal and the downloading terminal according to the information; C, establishing broadcasting channels according to the network connection; and D, establishing a data link and transmitting data resources according to the established broadcasting channels. Moreover, the invention also relates to a data transmission system. In the data transmission method and system, the downloading terminal is informed according to the received data resource publishing request, network connection is established between the terminals according to the information, the broadcasting channels are established according to the network connection, and the data link is established according to the broadcasting channels for transmission of the data resources, so that the data resources are transmitted by using a plurality of broadcasting channels, the bandwidth cost is lowered, faults caused by failure of one broadcasting channel are avoided, and the error rate is reduced.
Description
[technical field]
The present invention relates to the field, internet, particularly a kind of data transmission method and system.
[background technology]
Feature such as data have sometimes on Network Transmission that real-time is very strong, data magnanimity in the unit interval, data are constant.At these features, traditional technology all generally adopts the mode of transit server to carry out the transmission of data.Transfer server receives the data of data publisher issue, then according to specific rule, is forwarded to other each terminals of connection.Because data need be passed through transit server, data are again mass datas, so need server that the very high bandwidth of uploading download is arranged, and along with the terminal that inserts is many more, the bandwidth that needs is just high more, cost is high more, and after the terminal access reached certain threshold values, whole system was with cisco unity malfunction; And packet loss appears in publisher's data, and then all the other terminals also packet loss can occur, causes the error rate higher.
[summary of the invention]
Based on this, be necessary to provide the data transmission method that a kind of cost is low and the error rate is lower.
In addition, also be necessary to provide the data transmission system that a kind of cost is low and the error rate is lower.
A kind of data transmission method may further comprise the steps:
A. receive the data resource issue request of data resource issue terminal issue, and according to described request notice download terminal;
B. setting up the network that reaches between data resource issue terminal and the download terminal between the download terminal according to described notice connects;
C. connect according to described network and set up broadcast channel;
D. set up data link and transmit data resource according to the broadcast channel of described foundation.
Preferably, described steps A also comprises the tabulate step of described download terminal of the end message that sends data asset information and comprise described data resource issue terminal and download terminal.
Preferably, step C also comprises the step of the broadcast channel of setting up being proofreaied and correct according to the broadcast channel quality.
Preferably, among the described step D transmission data resource step also comprise: by data issue terminal image data resource, to the data resource cushion and with the buffering data be divided into different sections, be assigned in the broadcast channel; Data resource issue terminal and/or download terminal get access to the laggard row buffering of data resource of broadcasting, and the data resource of described buffering is broadcast to the terminal that links to each other with described terminal, and the data resource of playing described buffering.
Preferably, described method also comprises step: whether the data resource that the inquiry download terminal obtains lacks, if then search the terminal of the data resource that contains disappearance and ask broadcast channel.
A kind of data transmission system, described system comprises terminal and terminal management server, and described terminal comprises data resource issue terminal and download terminal, and described data resource issue terminal is used for sending data resource issue request to described terminal management server; Described terminal management server is used to receive data resource issue request and sends the notification to described download terminal; Described download terminal receives described notice and foundation comprises the network connection that reaches between data resource issue terminal and the download terminal between the download terminal, connects according to network and sets up broadcast channel; Described terminal is set up the go forward side by side transmission of line data resource of data link according to broadcast channel.
Preferably, described terminal management server also is used for the end message tabulation of data asset information and described terminal is sent to described download terminal.
Preferably, the data resource issue terminal also be used for to the data resource cushion and with the buffering data be divided into different sections, be assigned in the broadcast channel; Described terminal gets access to the laggard row buffering of data resource of broadcasting, and the data resource of described buffering is broadcast to the terminal that links to each other with described terminal, and the data resource of playing described buffering.
Preferably, described data resource issue terminal and/or download terminal are further used for sending the broadcast channel request command, set up the data link between the terminal after receiving the feedback path information of broadcast channel request command.
Preferably, described download terminal is further used for inquiring about whether the data downloaded resource lacks in the buffering area, if the terminal concurrence of then searching the data resource that contains disappearance goes out to need the request of broadcast channel.
Above-mentioned data transmission method and system, according to receiving data resource issue request notice download terminal, according to notice, set up network between data resource issue terminal and the download terminal and between the download terminal and connect, connect according to network and set up broadcast channel, set up the transmission that data link is carried out data resource according to broadcast channel, a plurality of broadcast channels of the transmission of data resource like this, the bandwidth cost reduces, and also can not make a mistake because of a broadcast channel goes wrong, and the error rate also reduces.
In addition,, make the data resource transmission faster, save time the data resource buffering.
Broadcast channel is proofreaied and correct, can be improved the effective rate of utilization of broadcast channel.
[description of drawings]
Fig. 1 is the flow chart of the data transmission method among the embodiment one;
Fig. 2 is the flow chart of the data transmission method among the embodiment two;
Fig. 3 is the structural representation of the data transmission system among the embodiment three;
Fig. 4 is the working timing figure of the data transmission system among the embodiment four.
[embodiment]
As shown in Figure 1, in embodiment one, a kind of data transmission method may further comprise the steps:
Step S10 receives the data resource issue request of data resource issue terminal issue, and according to described request notice download terminal.In one embodiment, adopt the data issue terminal to send the distributing data request to terminal management server, after terminal management server is received request, notice download terminal, the end message that sends data asset information and the terminal simultaneously download terminal of tabulating.This data resource is with the example that is transmitted as of audio, video data in the chatroom, audio, video data in the chatroom is different from common file and downloads, real-time there is certain requirement, by one section audio, video data is cushioned, the storage one piece of data, give other each terminal downloads with these segment data as file again, by increasing the mechanism of broadcast channel. be adapted to the requirement of real-time.For the ease of the management to audio, video data in the chatroom, at the particularity of chatroom, data asset information comprises resource identification number, play position, coded format, broadcast area segment number, room identification number etc.
Step S20, the network of setting up between data resource issue terminal and the download terminal, between the download terminal according to described notice connects.It can be direct connection that network connects, and also can be to connect by transfer server.Among one embodiment, after other-end receives notice, set up straight-forward network between the terminal and connect; The terminal that can not be connected with other-end is connected on the transfer server, and whole like this network connects.
Step S30 sets up broadcast channel according to described network connection.In one embodiment, after broadcast channel is set up, can also proofread and correct the broadcast channel of setting up, can better find suitable loading source like this, the broadcast channel that deletion is redundant according to the broadcast channel quality.The key element that influences the broadcast channel quality comprises bandwidth, download percentage, whether use in, packet loss influence, local area network (LAN) redundant data, broadcast request refuse the time, and the weights of these key elements successively decrease successively, according to these numerical value, can mark to broadcast channel, if mark is lower than certain threshold values, then need to disconnect this broadcast channel, attempt connecting the broadcast channel of other-end.This threshold values can be set as required by the user, also can Use Defaults.
Step S40 sets up data link and transmits data resource according to the broadcast channel of setting up.In one embodiment, according to the broadcast channel of setting up, download terminal sends the broadcast channel request command to the terminal that is attached thereto, after receiving the feedback path information of broadcast channel request command again, set up data link between the terminal that download terminal is attached thereto, obtained data resource by the data link of this foundation.Wherein, this broadcast channel request command comprises resource identification number, the broadcast channel that has got access to, the broadcast channel that need obtain.This channel information comprises whether surpassing maximum number of connections, whether resource data arranged, can the broadcast channel number.After broadcast channel was set up, each broadcast channel can connect a plurality of terminals, can effectively transmit down data resource from each different broadcast channel each connecting terminal in filling network.Receive the terminal of a certain sector data resource should a certain sector data resource broadcast to other-end.
In addition, the transmission data resource also comprises the real time data resource of gathering by the data resource issue terminal, and the data resource is cushioned, and the data resource with buffering is divided into different sections again, is assigned in the broadcast channel.Terminal gets access to the laggard row buffering of broadcast data resource, and the data resource of described buffering is broadcast to the terminal that links to each other with described terminal, and the data resource of playing described buffering.
As shown in Figure 2, in embodiment two, above-mentioned data transmission method is further comprising the steps of:
Step S50, whether the data resource that the inquiry download terminal obtains lacks, if then execution in step S60 searches the terminal of the data resource that contains disappearance and asks broadcast channel.Undertaken in the data transmission procedure by broadcast channel, may be because of a variety of causes, download terminal has the partial data resource not get access to.Among the embodiment, adopt the mode of initiatively obtaining, regularly whether inquiry buffer data resource lacks, if, then inquire about the terminal that contains this disappearance partial data resource in the terminal that links to each other with this download terminal, disappearance partial data resource is obtained in the request of sending broadcast channel to the terminal that contains this disappearance partial data resource then.
As shown in Figure 3, a kind of data transmission system comprises a plurality of terminals and terminal management server.Wherein:
Terminal comprises data resource issue terminal and download terminal.The data resource issue terminal is used for image data resource concurrence cloth data resource, and sends data resource issue request to terminal management server.Download terminal is the terminal that receives data resource, and it comprises a plurality of download terminals, as download terminal 1, download terminal 2, download terminal 3 ..., download terminal n.Terminal management server sends the notification to download terminal after being used to receive the data resource issue request that distributing data resource terminal sends.Simultaneously, terminal management server also sends to download terminal with data asset information and end message tabulation.In one embodiment, be issued as example with the audio, video data resource, described data asset information comprises resource identification number, play position, coded format, broadcast area segment number, room identification number etc.After the notice that download terminal receiving terminal management server sends, between data resource issue terminal and the download terminal, set up network between the download terminal and connect, connect according to network and set up broadcast channel.All terminals are set up network each other and are connected according to the end message tabulation that receives.
In another embodiment, the data resource issue terminal also is used for data resource buffering, and the data resource that will cushion is divided into a plurality of different sections, and different sections are assigned in the broadcast channel.Each broadcast channel connects a plurality of terminals, makes that the sector data resource in each broadcast channel sends to a plurality of download terminals, and the bandwidth of data resource issue terminal is shunted like this, has saved a large amount of download times.
Download terminal also can be used for sending the broadcast channel request command to another download terminal that is attached thereto, and receives the feedback path information of broadcast channel request command; Download terminal is set up the data link between the terminal after getting access to all passage situations, download terminal then obtains data resource according to the data link of setting up.Wherein, the broadcast channel request command comprises resource identification number, the broadcast channel that has got access to, the broadcast channel that need obtain.The feedback path situation comprises the port number that whether surpasses maximum number of connections, whether resource data is arranged, can broadcast.
For the better course of work of the above-mentioned transmission system of explanation, as shown in Figure 4, be exemplified below: download terminal comprise download terminal 1, download terminal 2 ..., download terminal n, broadcast channel is 0,1,2,3,4,5,6,7.Specifically: the data resource issue terminal sends the distributing data resource request to terminal management server; After terminal management server receives the distributing data resource request, notice download terminal 1, download terminal 2 ..., download terminal n; Download terminal 1 is set up network with all download terminals and data resource issue terminal and is connected; Download terminal 1 sends the broadcast channel request command to all terminals that connect; Download terminal 2, download terminal 3 ..., after download terminal n and data resource issue terminal receive the broadcast channel request command, feedback broadcast channel situation is to download terminal 1, but arrive download terminal 1 as distributing data resource terminal feedback broadcast channel 0,1,2,3, download terminal 2, download terminal 3 ... but, download terminal n feeds back broadcast channel 0,1,2,3,4,5,6,7, then according to certain algorithm, download terminal 1 receives 4,5,6,7 broadcast channel; Download terminal 1 is set up data link after obtaining all broadcast channels, obtains data resource.Wherein, certain algorithm is meant the quality of inquiry broadcast channel, can not connect if mass ratio is relatively poor, and inquiry whether download terminal whether obtained broadcast channel from other-end, if obtain a certain broadcast channel, then need to reject a certain broadcast channel that this has obtained.
In one embodiment, download terminal will get access to data resource and fill buffering area, also be used for this buffer data resource broadcast is arrived the terminal that links to each other with this download terminal, and play this buffer data resource.Download terminal further also is used for regularly inquiring about the download terminal data buffer zone, and whether data resource missing data, if the terminal concurrence of then searching the data resource that contains disappearance goes out to need the request of broadcast channel.
In addition, above-mentioned data transmission system also can comprise transfer server, and this transfer server is used for and can't sets up download terminal that network is connected with other-end and set up network and connect, and being convenient to this download terminal can obtain data resource by this transfer server.Download terminal can also be proofreaied and correct the broadcast channel of setting up, and better finds suitable loading source, the broadcast channel that deletion is redundant.
Above-mentioned data transmission method and system, according to receiving data resource issue request notice download terminal, according to notice, set up network between data resource issue terminal and the download terminal and between the download terminal and connect, connect according to network and set up broadcast channel, set up the transmission that data link is carried out data resource according to broadcast channel, a plurality of broadcast channels of the transmission of data resource like this, the bandwidth cost reduces, and also can not make a mistake because of a broadcast channel goes wrong, and the error rate also reduces.
In addition,, make the data resource transmission faster, save time the data resource buffering.
Broadcast channel is proofreaied and correct, can be improved the effective rate of utilization of broadcast channel.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. data transmission method may further comprise the steps:
A. receive the data resource issue request of data resource issue terminal issue, and according to described request notice download terminal;
B. setting up the network that reaches between data resource issue terminal and the download terminal between the download terminal according to described notice connects;
C. connect according to described network and set up broadcast channel;
D. set up data link and transmit data resource according to the broadcast channel of described foundation.
2. data transmission method according to claim 1 is characterized in that, described steps A also comprises the tabulate step of described download terminal of the end message that sends data asset information and comprise described data resource issue terminal and download terminal.
3. data transmission method according to claim 1 is characterized in that, step C also comprises the step of the broadcast channel of setting up being proofreaied and correct according to the broadcast channel quality.
4. data transmission method according to claim 1, it is characterized in that, among the described step D transmission data resource step also comprise: by data issue terminal image data resource, to the data resource cushion and with the buffering data be divided into different sections, be assigned in the broadcast channel; Data resource issue terminal and/or download terminal get access to the laggard row buffering of data resource of broadcasting, and the data resource of described buffering is broadcast to the terminal that links to each other with described terminal, and the data resource of playing described buffering.
5. according to each described data transmission method in the claim 1 to 4, it is characterized in that, described method also comprises step: whether the data resource that the inquiry download terminal obtains lacks, if then search the terminal of the data resource that contains disappearance and ask broadcast channel.
6. data transmission system, it is characterized in that, described system comprises terminal and terminal management server, and described terminal comprises data resource issue terminal and download terminal, and described data resource issue terminal is used for sending data resource issue request to described terminal management server; Described terminal management server is used to receive data resource issue request and sends the notification to described download terminal; Described download terminal receives described notice and foundation comprises the network connection that reaches between data resource issue terminal and the download terminal between the download terminal, connects according to network and sets up broadcast channel; Described terminal is set up the go forward side by side transmission of line data resource of data link according to broadcast channel.
7. 6 described data transmission systems as requested is characterized in that, described terminal management server also is used for the end message tabulation of data asset information and described terminal is sent to described download terminal.
8. data transmission system according to claim 6 is characterized in that, the data resource issue terminal also be used for to the data resource cushion and with the buffering data be divided into different sections, be assigned in the broadcast channel; Described terminal gets access to the laggard row buffering of data resource of broadcasting, and the data resource of described buffering is broadcast to the terminal that links to each other with described terminal, and the data resource of playing described buffering.
9. 6 described data transmission systems as requested, it is characterized in that, described data resource issue terminal and/or download terminal are further used for sending the broadcast channel request command, set up the data link between the terminal after receiving the feedback path information of broadcast channel request command.
10. 6 described data transmission systems as requested, it is characterized in that, described download terminal is further used for inquiring about whether the data downloaded resource lacks in the buffering area, if the terminal concurrence of then searching the data resource that contains disappearance goes out to need the request of broadcast channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010101994.8A CN102130801A (en) | 2010-01-20 | 2010-01-20 | Data transmission method and system |
| PCT/CN2011/070225 WO2011088768A1 (en) | 2010-01-20 | 2011-01-13 | Data transmission method and system, terminal thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010101994.8A CN102130801A (en) | 2010-01-20 | 2010-01-20 | Data transmission method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102130801A true CN102130801A (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010101994.8A Pending CN102130801A (en) | 2010-01-20 | 2010-01-20 | Data transmission method and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102130801A (en) |
| WO (1) | WO2011088768A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602047A (en) * | 2014-12-05 | 2015-05-06 | 海信集团有限公司 | Share method of EPG (error pattern generator) data, server, terminal and system |
| CN106027599A (en) * | 2016-04-29 | 2016-10-12 | 掌赢信息科技（上海）有限公司 | Data transmission channel establishing method and system, and server |
| WO2017198088A1 (en) * | 2016-05-19 | 2017-11-23 | 华为技术有限公司 | Resource subscription method, resource subscription device, and resource subscription system |
| US10637794B2 (en) | 2016-05-19 | 2020-04-28 | Huawei Technologies Co., Ltd. | Resource subscription method, resource subscription apparatus, and resource subscription system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111885037B (en) * | 2020-07-16 | 2021-05-14 | 珠海盈米基金销售有限公司 | Report sending system and method based on big data analysis |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6275471B1 (en) * | 1998-05-12 | 2001-08-14 | Panasonic Technologies, Inc. | Method for reliable real-time multimedia streaming |
| CN101075948A (en) * | 2006-05-15 | 2007-11-21 | 中兴通讯股份有限公司 | Method for realizing realtime fluid-medium programm reliable transmission |
| CN100499463C (en) * | 2007-01-12 | 2009-06-10 | 北京时代亮点科技发展有限公司 | Peer-to-peer network transmission method facing moving terminal |
-
2010
- 2010-01-20 CN CN201010101994.8A patent/CN102130801A/en active Pending
-
2011
- 2011-01-13 WO PCT/CN2011/070225 patent/WO2011088768A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602047A (en) * | 2014-12-05 | 2015-05-06 | 海信集团有限公司 | Share method of EPG (error pattern generator) data, server, terminal and system |
| CN104602047B (en) * | 2014-12-05 | 2019-01-15 | 海信集团有限公司 | Sharing method, server, terminal and the system of EPG data |
| CN106027599A (en) * | 2016-04-29 | 2016-10-12 | 掌赢信息科技（上海）有限公司 | Data transmission channel establishing method and system, and server |
| WO2017198088A1 (en) * | 2016-05-19 | 2017-11-23 | 华为技术有限公司 | Resource subscription method, resource subscription device, and resource subscription system |
| US10637794B2 (en) | 2016-05-19 | 2020-04-28 | Huawei Technologies Co., Ltd. | Resource subscription method, resource subscription apparatus, and resource subscription system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011088768A1 (en) | 2011-07-28 |
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Application publication date: 20110720 |