CN109889854A - A kind of data transmission method, apparatus and system - Google Patents
A kind of data transmission method, apparatus and system Download PDFInfo
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- CN109889854A CN109889854A CN201910180584.8A CN201910180584A CN109889854A CN 109889854 A CN109889854 A CN 109889854A CN 201910180584 A CN201910180584 A CN 201910180584A CN 109889854 A CN109889854 A CN 109889854A
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Abstract
It in a kind of data transmission method provided in an embodiment of the present invention, apparatus and system, acquisition server and includes between server, deploys Relay Server.Server is included by Relay Server, the media data of needs is got from acquisition server.Wherein, acquisition server to Relay Server data transmission distance and Relay Server to the data transmission distance for including server, respectively less than acquisition server is to the data transmission distance for including server, and the data packet received can be transmitted in sequence and include server by Relay Server, the influence of network fluctuation can be reduced, the stability for improving route, to improve the quality for the video that user gets.
Description
Technical field
The present invention relates to streaming media transmission technique fields, more particularly to a kind of data transmission method, apparatus and system.
Background technique
With popularizing for computer, many users tend to watch TV programme by video website, for example, TV play,
Broadcasting etc..Based on this, the server of including of video website needs to obtain TV programme from the acquisition server of TV station
Media data.In existing embodiment, includes server and directly pass through the agreements such as http from acquisition server acquisition data.So
And when acquisition server with include at a distance from server farther out when, route between the two may be unstable, leads to media number
It is easy to appear fluctuation according to transmission, video program is also easy to produce colored screen, and user can not obtain the video of high quality.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of data transmission method, apparatus and system, to improve user's acquisition
The quality of the video arrived.Specific technical solution is as follows:
To achieve the goals above, the embodiment of the invention provides a kind of data transmission system, system includes acquisition service
Device, Relay Server include server；The acquisition server to the Relay Server data transmission distance and it is described in
The data transmission distance of server, the respectively less than described acquisition server to the data for including server are included described in after server
Transmission range；
It is described to include server, for sending media data request to the acquisition server；The media data request
Including media stream identification；
The acquisition server, for obtaining the data packet of Media Stream according to the media stream identification, and according to the number
According to the acquisition time of packet, the data packet is assembled, obtains assembling datagram, and compile to the assembling datagram
Number, the number indicates the assembling sequence of the assembling datagram；The assembling datagram is transferred to the Relay Server；
The Relay Server, the assembling datagram sent for receiving the acquisition server, according to received group of institute
The number of data packet is filled, sequentially includes the received assembling datagram of server forwarding institute to described.
Optionally, the Relay Server, be also used to according to received assembling datagram number, detection institute it is received
It whether there is the first assembling datagram in assembling datagram, first assembling datagram is the assembling datagram of missing；If depositing
Retransmission instructions then are being sent to the acquisition server, are including the number of first assembling datagram in the retransmission instructions；
The acquisition server is also used to the number according to the first assembling datagram in the retransmission instructions, determines assembling
Data packet, and identified assembling datagram is sent to the Relay Server.
Optionally, the Relay Server is specifically used for:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a volume within a preset time
Number assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
Optionally, the acquisition server is specifically used for:
The assembling datagram is transferred to the Relay Server based on unified display interfaces UDI transport protocol.
Optionally, the system also includes management servers；
The management server determines at least one relay services according to the user instruction for receiving user instructions
Device, and for Relay Server determined by each, determine the Relay Server to the acquisition server data transmission route
Diameter and the Relay Server include the data transfer path of server described in.
To achieve the goals above, the embodiment of the invention also provides a kind of data transmission methods, are applied to data and transmit
Acquisition server in system, the system comprises acquisition server, Relay Server includes server；The acquisition service
Device includes the data transmission distance of server to the data transmission distance of the Relay Server and the Relay Server described in
From the respectively less than described acquisition server to the data transmission distance for including server, which comprises
The media data request of server transmission is included, the media data request includes media stream identification；
According to the media stream identification, the data packet of Media Stream is obtained；
According to the acquisition time of the data packet, the data packet is assembled, obtains assembling datagram, and to described
Assembling datagram is numbered；The number indicates the assembling sequence of the assembling datagram；
The assembling datagram is transferred to the Relay Server.
Optionally, the method also includes:
The retransmission instructions that the Relay Server is sent are received, include the volume of the first assembling datagram in the retransmission instructions
Number, first assembling datagram is the assembling datagram of missing；
According to the number of the first assembling datagram in the retransmission instructions, assembling datagram is determined, and to the middle following the service
Business device sends identified assembling datagram.
To achieve the goals above, the embodiment of the invention also provides a kind of data transmission methods, are applied to data and transmit
Relay Server in system, the system comprises acquisition server, Relay Server includes server；The acquisition service
Device includes the data transmission distance of server to the data transmission distance of the Relay Server and the Relay Server described in
From the respectively less than described acquisition server to the data transmission distance for including server, which comprises
Receive the assembling datagram that acquisition server is sent；
According to received assembling datagram number, sequentially include the received assembling data of server forwarding institute to described
Packet.
Optionally, the method also includes:
According to received assembling datagram number, with the presence or absence of the first assembling in the received assembling datagram of detection institute
Data packet, first assembling datagram are the assembling datagram of missing；
If it exists, then retransmission instructions are sent to the acquisition server, includes first assembling in the retransmission instructions
The number of data packet.
Optionally, it is described according to received assembling datagram number, in the received assembling datagram of detection institute whether
The step of there are the first assembling datagrams, comprising:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a volume within a preset time
Number assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
To achieve the goals above, the embodiment of the invention also provides a kind of data transmission devices, are applied to data and transmit
Acquisition server in system, the system comprises acquisition server, Relay Server includes server；The acquisition service
Device includes the data transmission distance of server to the data transmission distance of the Relay Server and the Relay Server described in
From, the respectively less than described acquisition server to the data transmission distance for including server, described device includes:
First receiving module, for including the media data request of server transmission, the media data request packet
Include media stream identification；
Module is obtained, for obtaining the data packet of Media Stream according to the media stream identification；
Assembling module assembles the data packet for the acquisition time according to the data packet, obtains assembling number
It is numbered according to packet, and to the assembling datagram；The number indicates the assembling sequence of the assembling datagram；
Transmission module, for the assembling datagram to be transferred to the Relay Server.
Optionally, described device further includes sending module, and first receiving module is also used to receive the relay services
The retransmission instructions that device is sent, include the number of the first assembling datagram in the retransmission instructions, and first assembling datagram is
The assembling datagram of missing；
The sending module determines assembling data for the number according to the first assembling datagram in the retransmission instructions
Packet, and identified assembling datagram is sent to the Relay Server.
To achieve the goals above, the embodiment of the invention also provides a kind of data transmission devices, are applied to data and transmit
Relay Server in system, the system comprises acquisition server, Relay Server includes server；The acquisition service
Device includes the data transmission distance of server to the data transmission distance of the Relay Server and the Relay Server described in
From, the respectively less than described acquisition server to the data transmission distance for including server, described device includes:
Second receiving module, for receiving the assembling datagram of acquisition server transmission；
Forwarding module, for according to received assembling datagram number, sequentially to it is described include server forwarding institute
Received assembling datagram.
Optionally, described device further include:
Detection module, for according to received assembling datagram number, be in the received assembling datagram of detection institute
It is no there are the first assembling datagram, first assembling datagram be missing assembling datagram；
If it exists, then retransmission instructions are sent to the acquisition server, includes first assembling in the retransmission instructions
The number of data packet.
Optionally, the detection module, is specifically used for:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a volume within a preset time
Number assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
To achieve the goals above, the embodiment of the invention also provides a kind of server, including processor, communication interface,
Memory and communication bus, wherein processor, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes any of the above-described method and step.
To achieve the goals above, the embodiment of the invention also provides a kind of computer readable storage medium, the calculating
Computer program is stored in machine readable storage medium storing program for executing, the computer program realizes any of the above-described method when being executed by processor
Step.
In a kind of data transmission method provided in an embodiment of the present invention, apparatus and system, acquisition server and the service of including
Between device, Relay Server is deployed.Server is included by Relay Server, the matchmaker of needs is got from acquisition server
Volume data.Wherein, the data transmission distance of acquisition server to Relay Server is less than acquisition server to including server
Data transmission distance, Relay Server are less than acquisition server to including server to the data transmission distance for including server
Data transmission distance, to overcome the unstable problem of route caused by long-distance data transmission, and Relay Server will connect
The data packet received is transmitted in sequence includes server, can reduce the influence of network fluctuation, improves the stability of route,
To improve the quality for the video that user gets.
Certainly, implement any of the products of the present invention or method it is not absolutely required at the same reach all the above excellent
Point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of data transmission system provided in an embodiment of the present invention；
Fig. 2 is a kind of exemplary diagram of data transmission system provided in an embodiment of the present invention；
Fig. 3 is the first flow chart of data transmission method provided in an embodiment of the present invention；
Fig. 4 is second of flow chart of data transmission method provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram that data transmission device provided in an embodiment of the present invention is applied to acquisition server；
Fig. 6 is a kind of structural schematic diagram that data transmission device provided in an embodiment of the present invention is applied to Relay Server；
Fig. 7 is a kind of structural schematic diagram of acquisition server provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of Relay Server provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to improve the quality for the video that user gets, the embodiment of the invention provides a kind of data transmission systems.Ginseng
Data transmission system provided in an embodiment of the present invention as shown in Figure 1, comprising: acquisition server 101, Relay Server 102, with
And include server 103.Wherein, the data transmission distance of acquisition server 101 to Relay Server 102 is less than acquisition server
101 to the data transmission distance for including server 103, and Relay Server 102 is to the data transmission distance for including server 103
Again smaller than acquisition server 101 to the data transmission distance for including server 103.Acquisition server 101 can be positioned at TV
Separate server near the media server of platform.Acquisition server 101 can also be with media server (the following letter of TV station
Referred to as TV station's server) it is integrated in a physical machine.The embodiment of the present invention is to this without limiting.Data transmission system
In, may include it is multiple include server 103, be only illustrated so that 2 are included server 103 as an example in embodiment illustrated in fig. 1.
Wherein, server 103 is included for sending media data request, the media data request to acquisition server 101
In include media stream identification.
Acquisition server 101 is used to obtain the data packet of Media Stream according to media stream identification, and according to the acquisition of data packet
Time assembles data packet, obtains assembling datagram, and assembling datagram is numbered, assembling datagram is transmitted
To Relay Server 102.Wherein, the number of assembling datagram indicates the assembling sequence of assembling datagram；
Relay Server 102 is used to receive the assembling datagram of acquisition server transmission, according to the received assembling data of institute
The number of packet, sequentially to including the received assembling datagram of the forwarding of server 103 institute.
It, can be to acquisition server 101 when including server 103 and needing to obtain media data in the embodiment of the present invention
Send media data request.Acquisition server 101 obtains the data packet of Media Stream from TV station's server.One optional implementation
In example, acquisition server 101 can by the network interface of TV station's server, using UDP (User Datagram Protocol,
User Datagram Protocol) transmission mode, from TV station's server obtain Media Stream data packet.
Acquisition server 101 assembles data packet according to the acquisition time of data packet, obtains assembling datagram.Assembling
Data packet can be filled to obtain by a data packet group, can also assemble to obtain by multiple data packets.In addition, acquisition server 101
Assembling datagram can also be numbered, number indicates the assembling sequence of assembling datagram.In one example, assembling datagram
More early assembled completion, then its number is smaller.Since acquisition server 101 and the transmission range of data source server are shorter, because
The sequence that this acquisition server 101 collects data packet is consistent with the original order of data, i.e., acquisition server 101 is according to data
The acquisition order number consecutively of packet.
For example, being an assembling datagram by two data packet group dresses, whithin a period of time, acquisition server 101 is reached
Data be surrounded by 6, be denoted as data packet 1 respectively according to the time sequencing that data packet reaches acquisition server 101, data packet 2, number
According to packet 3, data packet 4, data packet 5 and data packet 6.Data packet 1 and data packet 2 can be assembled into one by acquisition server 101
Assembling datagram, and numbering is 1, obtains assembling datagram 1.Acquisition server 101 can assemble data packet 3 and data packet 4
For an assembling datagram, and numbering is 2, obtains assembling datagram 2.Acquisition server 101 can be by data packet 5 and data packet
6 are assembled into an assembling datagram, and numbering is 3, obtains assembling datagram 3.
It above are only a kind of embodiment, in other embodiments, can preset in assembling datagram and wrap according to actual needs
The data packet number included.
Acquisition server 101 is transferred to Relay Server 102 after numbering to assembling datagram, by assembling datagram.This
In inventive embodiments, the transmission of assembling datagram can be carried out using the transport protocol of less demanding to network condition.Such as it adopts
The transmission of assembling datagram is carried out with UDI (Unified Display Interface, unified display interfaces) transport protocol.It adopts
When carrying out assembling datagram transmission with such transport protocol, the sequence that assembling datagram is sent from acquisition server 101, and assembling
The sequence that data packet reaches Relay Server 102 may not be identical.Relay Server 102, can after receiving assembling datagram
To be numbered according to assembling datagram, sequentially to including the received assembling datagram of server forwarding institute.Due to acquisition server 101
It is of less demanding to network condition to 102 transmission process of Relay Server, therefore network fluctuation can be reduced, output transmission is come
Influence, thus improve user acquisition video quality.
For example, Relay Server 102, which successively receives assembling datagram, to be had: assembling datagram 1, assembling datagram 3, assembling
Data packet 2.Relay Server 102 can forward assembling datagram to server 103 is included according to the sequence of assembling datagram, i.e.,
Elder generation forwards assembling datagram 1 to server 103 is included, then forwards assembling datagram 2 to server 103 is included, to include backward
Server 103 forwards assembling datagram 3.
As it can be seen that in the embodiment of the present invention, compared with the prior art in, include server 103 directly from TV station's server
Acquisition server 101 is arranged in TV station's server peripheral in the method for obtaining media stream data, and acquisition server 101 is from TV
The data packet of platform service acquisition Streaming Media, and assembled, numbered according to the time for obtaining data packet, then assembling datagram is sent out
Relay Server 102 is given, since, with number, Relay Server 102 can be according to assembling data in assembling datagram
The number of packet forwards assembling datagram to server 103 is included.It due to acquisition server and includes between server, deploys
Relay Server.Server is included by Relay Server, the media data of needs is got from acquisition server.Wherein,
The data transmission distance of acquisition server to Relay Server is less than acquisition server to the data transmission distance for including server,
And Relay Server is less than acquisition server to the data transmission distance for including server to the data transmission distance for including server
From, so that the stability of route is improved, the quality for the video that raising user gets.
In one embodiment of the invention, complete media data, relay services are arrived to guarantee that user is available
Device 102, can be according to the number of assembling datagram after receiving assembling datagram, and detecting in the received assembling datagram of institute is
The no assembling datagram that there is missing.Wherein, the assembling datagram of missing is denoted as the first assembling datagram.First assembling if it exists
Data packet, then Relay Server 102 sends retransmission instructions to acquisition server 101, includes the first assembling data in retransmission instructions
The number of packet.Acquisition server 101 determines assembling datagram according to the number of the first assembling datagram in retransmission instructions, lays equal stress on
Identified assembling datagram newly is sent to Relay Server 102, wherein identified assembling datagram is above-mentioned missing
Assembling datagram.Later, Relay Server 102 according to number order in received assembling datagram, continue to including clothes
The received assembling datagram of business device forwarding institute.
In one embodiment of the invention, the received assembling of following steps detection institute can be used in Relay Server 102
With the presence or absence of the assembling datagram of missing in data packet.
Step 11: determine received assembling datagram number；
Step 12: if not receiving the assembling datagram of a number, detecting and whether receive within a preset time
The assembling datagram of a upper number；
Step 13: if the assembling datagram of a number is not detected, it is determined that the assembling datagram of a upper number
Missing.
Specifically, Relay Server 102 can determine the volume of the assembling datagram after receiving an assembling datagram
Number, then detect whether that the assembling datagram for having received a number can wait preset one section if not receiving
Time, within this time, if do not receive yet one number assembling datagram, it may be considered that on this one number
Assembling datagram is lost in transmission process, determines it as the first assembling datagram of missing.Relay Server 102 can be to
Acquisition server 101 feeds back the number of the assembling datagram, and acquisition server 101 retransmits the assembling datagram.
For example, the number for the assembling datagram that Relay Server 102 is currently received is 10, then whether to can detecte
It receives the assembling datagram that number is 9 and waits 10ms if not receiving, if not receiving the group that number is 9 in 10ms yet
Fill data packet, then it is assumed that the assembling datagram that number is 9 is lost in transmission process, determines it as the first assembling datagram.
Relay Server 102 feeds back number 9 to acquisition server 101, and acquisition server 101 retransmits the assembling datagram that number is 9.
In the embodiment of the present invention, above-mentioned preset time can be set according to actual needs, do not limited this.
In another embodiment of the invention, the assembling datagram of missing can also be without retransmitting.Due to this hair
What is transmitted in bright embodiment is media data flow, and the data packet lost once in a while in transmission process can't be to final media
Quality generates big influence, therefore for improve data transfer efficiency, can not detect the assembling datagram of missing.Specifically,
Relay Server 102 forwards assembling datagram to server 103 is included according to the number order of assembling datagram, when some assembling
Data packet does not reach Relay Server 102 within a preset time, it may be considered that the data packet lacks, Relay Server 102 can
Directly to start to forward the assembling datagram of next number, to improve data transmission efficiency.
In the embodiment of the present invention, data transmission system can also include management server, wherein management server can be used
In receiving user instructions, and at least one Relay Server 102 is determined according to user instructions, and relay services determined by determining
Device 102 to acquisition server 101 data transfer path and identified Relay Server 102 to including server 103
Data transfer path.In the embodiment of the present invention, without limitation to the position of management server.
As an example, referring to fig. 2, Fig. 2 is a kind of exemplary diagram of data transmission system provided in an embodiment of the present invention,
There are two paths, i.e. A-a-b-B and A-c-d-B to server B is included by acquisition server A, wherein a, b, c, d are candidate
Server.If the network in the path A-a-b-B is preferable, a, b can be determined as Relay Server by user, then user is to management
Server inputs corresponding user instruction, and management server determines that a, b are determined as Relay Server according to user instructions, and determines
Acquisition server is to the transmission path A-a-b-B for including server.
In addition, the management server can also be transmitted by detecting acquisition server and including the data between server
Path, and determine optimal data transfer path, and determine that the candidate server in the data transfer path is Relay Server.
In an embodiment of the present invention, multiple Relay Servers 102 can be set, multiple Relay Servers 102 can
To be located at all the way, can also be configured with branch.Referring to fig. 2, a, b, e, f and g can be determined as Relay Server simultaneously,
And transmission path A-a-b-B and A-e-f-g-B are configured simultaneously.
Correspondingly, the embodiment of the invention also provides a kind of data transmission methods.It is the embodiment of the present invention referring to Fig. 3, Fig. 3
The first flow chart of the data transmission method of offer, applied to the acquisition server in data transmission system, system includes adopting
Collect server, Relay Server includes server；Data transmission distance and relay services of the acquisition server to Relay Server
Device is to the data transmission distance for including server, respectively less than acquisition server to the data transmission distance for including server, method
The following steps are included:
S301: the media data request of server transmission is included, media data request includes media stream identification.
In the embodiment of the present invention, when including server and needing to obtain media data, matchmaker can be sent to acquisition server
Volume data request.It wherein, include media stream identification in media data request.Acquisition server includes the matchmaker of server transmission
Volume data request.
S302: according to media stream identification, the data packet of Media Stream is obtained.
In the embodiment of the present invention, acquisition server can be according to the media stream identification for including in media data request, from electricity
The server of television stations obtains Media Stream, which may include multiple data packets.
S303: according to the acquisition time of data packet, assembling data packet, obtains assembling datagram, and suitable by assembling
Ordered pair assembling datagram is numbered；
In the embodiment of the present invention, acquisition server assembles data packet according to the acquisition time of data packet, obtains group
Fill data packet.Assembling datagram can be filled to obtain by a data packet group, can also assemble to obtain by multiple data packets.In addition,
Acquisition server can also be numbered assembling datagram according to assembling sequence.In one example, the more early quilt of assembling datagram
It is completed, then its number is smaller.
S304: assembling datagram is transferred to Relay Server.
In the embodiment of the present invention, acquisition server is transferred to relaying after numbering to assembling datagram, by assembling datagram
Server.In the embodiment of the present invention, the biography of assembling datagram can be carried out using the transport protocol of less demanding to network condition
It is defeated.Assembling datagram is carried out for example, by using UDI (Unified Display Interface, unified display interfaces) transport protocol
Transmission.When carrying out assembling datagram transmission using such transport protocol, the sequence that assembling datagram is sent from acquisition server,
The sequence for reaching Relay Server with assembling datagram may not be identical.
In an embodiment of the present invention, acquisition server can also receive the retransmission instructions of Relay Server transmission,
It include the number of the first assembling datagram in retransmission instructions, the first assembling datagram is the assembling datagram of missing.
Acquisition server can determine assembling datagram according to the number of the first assembling datagram in retransmission instructions, and to
Relay Server sends identified assembling datagram.
Correspondingly, the embodiment of the invention also provides a kind of data transmission methods.Referring to fig. 4, Fig. 4 is the embodiment of the present invention
Second of flow chart of the data transmission method of offer, applied to the Relay Server in data transmission system, system includes adopting
Collect server, Relay Server includes server；Data transmission distance and relay services of the acquisition server to Relay Server
Device is to the data transmission distance for including server, respectively less than acquisition server to the data transmission distance for including server, method
The following steps are included:
S401: the assembling datagram that acquisition server is sent is received.
In the embodiment of the present invention, acquisition server can be according to the media stream identification for including in media data request, from electricity
The server of television stations obtains Media Stream, and wherein Media Stream includes multiple data packets.When acquisition server is according to the acquisition of data packet
Between data packet is assembled, obtain assembling datagram.Acquisition server is after numbering assembling datagram, by assembling datagram
It is transferred to Relay Server.
Relay Server receives the assembling datagram that acquisition server is sent.
S402: according to received assembling datagram number, sequentially to including the received assembling number of server forwarding institute
According to packet.
In the embodiment of the present invention, Relay Server can number after receiving assembling datagram according to assembling datagram,
Sequence forwards assembling datagram to server is included.
In an embodiment of the present invention, Relay Server can also according to received assembling datagram number, detection
It whether there is the first assembling datagram in the received assembling datagram of institute, wherein the first assembling datagram is the assembling data of missing
Packet.
First data packet if it exists, then send retransmission instructions to acquisition server, includes the first assembling number in retransmission instructions
According to the number of packet.
In an embodiment of the present invention, Relay Server according to received assembling datagram number, detection received
Assembling datagram in whether there is the first assembling datagram the step of, may include following refinement step:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a volume within a preset time
Number assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
The specific implementation process of above-mentioned steps is described in detail in system embodiment, and this will not be repeated here.
As it can be seen that in the embodiment of the present invention, acquisition server and include between server, deploys Relay Server.It includes
Server gets the media data of needs by Relay Server from acquisition server.Wherein, acquisition server to relaying
The data transmission distance of server is less than acquisition server to the data transmission distance for including server, and Relay Server is to including
The data transmission distance of server is less than acquisition server to the data transmission distance for including server, and Relay Server can
The data packet received is transmitted in sequence and includes server, the influence of network fluctuation can be reduced, improves the steady of route
It is qualitative, to improve the quality for the video that user gets.
Correspondingly, referring to Fig. 5, being applied to data transmission system the embodiment of the invention also provides a kind of data transmission device
Acquisition server in system, system include acquisition server, and Relay Server includes server；Acquisition server is to middle following the service
Be engaged in device data transmission distance and Relay Server arrive the data transmission distance for including server, respectively less than acquisition server to receipts
The data transmission distance of server is recorded, device may include with lower module:
First receiving module 501, for including the media data request of server transmission, media data request includes
Media stream identification；
Module 502 is obtained, for obtaining multiple data packets of Media Stream according to media stream identification；
Assembling module 503 assembles data packet for the acquisition time according to data packet, obtains assembling datagram,
And assembling datagram is numbered；Number indicates the assembling sequence of assembling datagram；
Transmission module 504, for assembling datagram to be transferred to Relay Server.
It can also include sending module on device basic shown in Fig. 5, above-mentioned first receives in the embodiment of the present invention
Module 501 can be also used for receiving the retransmission instructions that Relay Server is sent, and include the first assembling datagram in retransmission instructions
Number, the first assembling datagram are the assembling datagram of missing；
Above-mentioned sending module determines assembling datagram for the number according to the first assembling datagram in retransmission instructions, and
Identified assembling datagram is sent to Relay Server.
Correspondingly, referring to Fig. 6, being applied to data transmission system the embodiment of the invention also provides a kind of data transmission device
Relay Server in system, system include acquisition server, and Relay Server includes server；Acquisition server is to middle following the service
Be engaged in device data transmission distance and Relay Server arrive the data transmission distance for including server, respectively less than acquisition server to receipts
The data transmission distance of server is recorded, device may include with lower module:
Second receiving module 601, for receiving the assembling datagram of acquisition server transmission；
Forwarding module 602, for according to received assembling datagram number, sequentially to include server forwarding connect
The assembling datagram of receipts.
It can also include detection module, detection module on device basic shown in Fig. 6 in an embodiment of the present invention
For according to received assembling datagram number, with the presence or absence of the first assembling data in the received assembling datagram of detection institute
Packet, the first assembling datagram are the assembling datagram of missing；
If it exists, then retransmission instructions are sent to acquisition server, includes the number of the first assembling datagram in retransmission instructions.
In an embodiment of the present invention, detection module specifically can be used for:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a volume within a preset time
Number assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
As it can be seen that in the embodiment of the present invention, acquisition server and include between server, deploys Relay Server.It includes
Server gets the media data of needs by Relay Server from acquisition server.Wherein, acquisition server to relaying
The data transmission distance of server is less than acquisition server to the data transmission distance for including server, and Relay Server is to including
The data transmission distance of server is less than acquisition server to the data transmission distance for including server, and Relay Server can
The data packet received is transmitted in sequence and includes server, the influence of network fluctuation can be reduced, improves the steady of route
It is qualitative, to improve the quality for the video that user gets.
The embodiment of the invention also provides a kind of acquisition server, referring to Fig. 7, including processor 701, communication interface 702,
Memory 703 and communication bus 704, wherein processor 701, communication interface 702, memory 703 are complete by communication bus 704
At mutual communication,
Memory 703, for storing computer program；
Processor 701 when for executing the program stored on memory 703, realizes following steps:
The media data request of server transmission is included, media data request includes media stream identification；
According to media stream identification, the data packet of Media Stream is obtained；
According to the acquisition time of data packet, data packet is assembled, obtains assembling datagram, and to assembling datagram into
Row number；Number indicates the assembling sequence of assembling datagram；
Assembling datagram is transferred to Relay Server.
The embodiment of the invention also provides a kind of Relay Server, referring to Fig. 8, including processor 801, communication interface 802,
Memory 803 and communication bus 804, wherein processor 801, communication interface 802, memory 803 are complete by communication bus 804
At mutual communication,
Memory 803, for storing computer program；
Processor 801 when for executing the program stored on memory 803, realizes following steps:
Receive the assembling datagram that acquisition server is sent；
According to received assembling datagram number, sequentially include the received assembling data of server forwarding institute to described
Packet.
The communication bus that above-mentioned electronic equipment is mentioned can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, EISA) bus etc..The communication bus can be divided into address bus, data/address bus, control bus etc..For just
It is only indicated with a thick line in expression, figure, it is not intended that an only bus or a type of bus.
Communication interface is for the communication between above-mentioned electronic equipment and other equipment.
Memory may include random access memory (Random Access Memory, RAM), also may include non-easy
The property lost memory (Non-Volatile Memory, NVM), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be storage device that at least one is located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
CPU), network processing unit (Network Processor, NP) etc.；It can also be digital signal processor (Digital Signal
Processing, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
It is field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components.
The embodiment of the invention also provides a kind of computer readable storage medium, it is stored in computer readable storage medium
Computer program realizes any of the above-described method and step when computer program is executed by processor.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for method,
For Installation practice, since it is substantially similar to system embodiment, so being described relatively simple, related place is referring to system
The part of embodiment illustrates.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (17)
1. a kind of data transmission system, which is characterized in that the system comprises: acquisition server, Relay Server, the service of including
Device；The acquisition server includes service to the data transmission distance of the Relay Server and the Relay Server described in
The data transmission distance of device, the respectively less than described acquisition server to the data transmission distance for including server；
It is described to include server, for sending media data request to the acquisition server；The media data request includes
Media stream identification；
The acquisition server, for obtaining the data packet of Media Stream according to the media stream identification, and according to the data packet
Acquisition time, the data packet is assembled, obtains assembling datagram, and the assembling datagram is numbered, institute
Stating number indicates the assembling sequence of the assembling datagram；The assembling datagram is transferred to the Relay Server；
The Relay Server, the assembling datagram sent for receiving the acquisition server, according to the received assembling number of institute
According to the number of packet, the received assembling datagram of server forwarding institute sequentially is included to described.
2. system according to claim 1, which is characterized in that
The Relay Server, be also used to according to received assembling datagram number, the received assembling datagram of detection institute
In whether there is the first assembling datagram, first assembling datagram be lack assembling datagram；If it exists, then Xiang Suoshu
Acquisition server sends retransmission instructions, includes the number of first assembling datagram in the retransmission instructions；
The acquisition server is also used to the number according to the first assembling datagram in the retransmission instructions, determines assembling data
Packet, and identified assembling datagram is sent to the Relay Server.
3. system according to claim 2, which is characterized in that the Relay Server is specifically used for:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a number within a preset time
Assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
4. system according to claim 1 to 3, which is characterized in that the acquisition server is specifically used for:
The assembling datagram is transferred to the Relay Server based on unified display interfaces UDI transport protocol.
5. system according to claim 1 to 3, which is characterized in that the system also includes: management server；
The management server is used to receive user instructions, and determines at least one Relay Server according to the user instruction, and
For each identified Relay Server, determine the Relay Server to the acquisition server data transfer path, with
And the Relay Server includes the data transfer path of server described in.
6. a kind of data transmission method, which is characterized in that applied to the acquisition server in data transmission system, the system packet
Acquisition server is included, Relay Server includes server；Data transmission distance of the acquisition server to the Relay Server
From the data transmission distance for including server described in the Relay Server, the respectively less than described acquisition server to include clothes
The data transmission distance of business device, which comprises
The media data request of server transmission is included, the media data request includes media stream identification；
According to the media stream identification, the data packet of Media Stream is obtained；
According to the acquisition time of the data packet, the data packet is assembled, obtains assembling datagram, and to the assembling
Data packet is numbered；The number indicates the assembling sequence of the assembling datagram；
The assembling datagram is transferred to the Relay Server.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
The retransmission instructions that the Relay Server is sent are received, include the number of the first assembling datagram in the retransmission instructions,
First assembling datagram is the assembling datagram of missing；
According to the number of the first assembling datagram in the retransmission instructions, assembling datagram is determined, and to the Relay Server
Assembling datagram determined by sending.
8. a kind of data transmission method, which is characterized in that applied to the Relay Server in data transmission system, the system packet
Acquisition server is included, Relay Server includes server；Data transmission distance of the acquisition server to the Relay Server
From the data transmission distance for including server described in the Relay Server, the respectively less than described acquisition server to include clothes
The data transmission distance of business device, which comprises
Receive the assembling datagram that acquisition server is sent；
According to received assembling datagram number, sequentially include the received assembling datagram of server forwarding institute to described.
9. according to the method described in claim 8, it is characterized in that, the method also includes:
According to received assembling datagram number, with the presence or absence of the first assembling data in the received assembling datagram of detection institute
Packet, first assembling datagram are the assembling datagram of missing；
If it exists, then retransmission instructions are sent to the acquisition server, includes the first assembling data in the retransmission instructions
The number of packet.
10. according to the method described in claim 8, it is characterized in that, it is described according to received assembling datagram number, inspection
Survey the step of whether there is the first assembling datagram in the received assembling datagram of institute, comprising:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a number within a preset time
Assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
11. a kind of data transmission device, which is characterized in that applied to the acquisition server in data transmission system, the system
Including acquisition server, Relay Server includes server；The data of the acquisition server to the Relay Server are transmitted
Distance and the Relay Server include the data transmission distance of server described in, and the respectively less than described acquisition server is to including
The data transmission distance of server, described device include:
First receiving module, for including the media data request of server transmission, the media data request includes matchmaker
Body traffic identifier；
Module is obtained, for obtaining the data packet of Media Stream according to the media stream identification；
Assembling module assembles the data packet for the acquisition time according to the data packet, obtains assembling data
Packet, and the assembling datagram is numbered；The number indicates the assembling sequence of the assembling datagram；
Transmission module, for the assembling datagram to be transferred to the Relay Server.
12. device according to claim 11, which is characterized in that described device further includes sending module, and described first connects
Module is received, is also used to receive the retransmission instructions that the Relay Server is sent, includes the first assembling data in the retransmission instructions
The number of packet, first assembling datagram are the assembling datagram of missing；
The sending module determines assembling datagram for the number according to the first assembling datagram in the retransmission instructions, and
Identified assembling datagram is sent to the Relay Server.
13. a kind of data transmission device, which is characterized in that applied to the Relay Server in data transmission system, the system
Including acquisition server, Relay Server includes server；The data of the acquisition server to the Relay Server are transmitted
Distance and the Relay Server include the data transmission distance of server described in, and the respectively less than described acquisition server is to including
The data transmission distance of server, described device include:
Second receiving module, for receiving the assembling datagram of acquisition server transmission；
Forwarding module, for according to received assembling datagram number, sequentially to it is described include server forwarding received
Assembling datagram.
14. device according to claim 13, which is characterized in that described device further include:
Detection module, for according to received assembling datagram number, whether deposit in the received assembling datagram of detection institute
In the first assembling datagram, first assembling datagram is the assembling datagram of missing；
If it exists, then retransmission instructions are sent to the acquisition server, includes the first assembling data in the retransmission instructions
The number of packet.
15. device according to claim 13, which is characterized in that the detection module is specifically used for:
Determine received assembling datagram number；
If not receiving the assembling datagram of a number, detects and whether receive a number within a preset time
Assembling datagram；
If the assembling datagram of a number is not detected, it is determined that the assembling datagram missing of a upper number.
16. a kind of server, which is characterized in that including processor, communication interface, memory and communication bus, wherein processing
Device, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes claim 6, claim 7 or claim 8-
10 any method and steps.
17. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium
Program realizes claim 6, claim 7 or claim 8-10 any institute when the computer program is executed by processor
The method and step stated.
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