CN108632304B - A kind of media data Multipath Transmission method and its system - Google Patents
A kind of media data Multipath Transmission method and its system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/07—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail characterised by the inclusion of specific contents
- H04L51/10—Multimedia information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1021—Server selection for load balancing based on client or server locations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The embodiment of the invention discloses a kind of media data Multipath Transmission methods, which comprises gets the inquiry request message for carrying the description information of media data；The inquiry request message is for inquiring the multiple servers that can be used in sending the media data；At least based on description information entrained by the inquiry request message, it selects at least two destination servers from multiple servers, and receives sending ending equipment using at least two destination server and obtained at least two data block after processing is split to the media data；It controls at least two destination server and carries out data block synchronization process, so that each destination server is stored with all data blocks of the media data, it controls each destination server and generates the resource identifier that can get any data block in all data blocks, send each destination server resource identifier generated.The embodiment of the invention also discloses a kind of media data Multipath Transmission systems.
Description
Technical field
The present invention relates to data processing technique more particularly to a kind of media data Multipath Transmission methods and its system.
Background technique
Instant message (IM, Instant Messaging) refers to a kind of real-time, interactive message based on Internet application, passes
The content passed not only may include text and data, but also may include picture, video, audio etc., can provide for user
The functions such as online exchange, inter-transmitting file, voice dialogue and video conference.The implementation pattern of existing immediate news systems mainly wraps
It includes: Page_mode mode, Largemessage_mode mode and Session_mode mode.Here, disappearing immediately when transmitting
Breath is plaintext message, and when size is no more than 1300 byte, can use Page_mode mode directly with it is dialogue-based initially
The MESSAGE mode of agreement (SIP, Session Initiation Protocol) sends the instant message；When the message of transmitting
Size be more than 1300 byte when, can using Largemessage_mode mode by message session trunk protocol (MSRP,
The Message Session Relay Protocol) carry out message transmission；And the Session_mode mode refers to and deposits
In the interacting message mode of clear beginning and end, the message suitable for big data quantity is transmitted, such as audio, video etc..
Here, in practical applications, usually by above-mentioned Largemessage_mode mode and Session_mode mode
Instant message is referred to as big message, which would generally include picture, audio, video and file of big data quantity etc..Mesh
Before be directed to such big messaging service, be that sending and receiving for media data is carried out using single diameter transmission mode, therefore, deposit
In transmission reliability problem.
Summary of the invention
To solve existing technical problem, the embodiment of the invention provides a kind of media data Multipath Transmission method and
Its system can at least improve the above-mentioned problems in the prior art.
The technical solution of the embodiment of the present invention is achieved in that
First aspect of the embodiment of the present invention provides a kind of media data Multipath Transmission method, which comprises
Get the inquiry request message for carrying the description information of media data；The inquiry request message is for inquiring
It can be used in sending multiple servers of the media data；
At least based on description information entrained by the inquiry request message, at least two are selected from multiple servers
Destination server, and receive sending ending equipment using at least two destination server and place is split to the media data
Obtained at least two data block after reason；
It controls at least two destination server and carries out data block synchronization process, so that each destination server is stored with
All or specific a part of data blocks of the media data, controlling each destination server generation can get in data block
Any or certain data block resource identifier sends each destination server resource identifier generated.
In above scheme, the method also includes:
The fisrt feature information of multiple servers is obtained, the fisrt feature information at least characterizes the corresponding load of server
Feature and storage capacity；
Obtain the network location information of sending ending equipment；
Accordingly, described at least based on description information entrained by the inquiry request message, it is selected from multiple servers
Take out at least two destination servers, comprising:
Network location information, each server fisrt feature information based on the sending ending equipment are characterized negative
Carry description information entrained by feature and storage capacity and the inquiry request message, selected from multiple servers to
Few two destination servers.
In above scheme, the method also includes:
The second feature information of each destination server is obtained, the second feature information at least characterizes destination service
The corresponding load characteristic of device and storage capacity；
The load characteristic and storage capacity characterized based on second feature information, determines data receiver strategy；
Accordingly, described to receive sending ending equipment to media data progress using at least two destination server
Obtained at least two data block after dividing processing, comprising:
Each destination server is controlled using the data receiver strategy to receive sending ending equipment to the media
Data are split obtained data block after processing；
Wherein, the data receiver strategy includes at least first and receives strategy and the second reception strategy；Described first receives
Under strategy, each destination server receives data block based on preset data amount；Described second receives under strategy, Mei Yisuo
It states destination server and receives the data block to match with the load characteristic of itself and storage capacity based on data allocation proportion.
In above scheme, control at least two destination server carries out data block synchronization process, so that each
Destination server is stored with all or specific a part of data blocks of the media data, comprising:
It controls each destination server and sends data block synchronizing information to other destination servers, the data block is same
Step information carries the data block identifier for the data block that current goal server is stored；
The data block identifier that each destination server is characterized based on data block synchronizing information is controlled, to other targets
Server goes to obtain other data blocks for belonging to the media data different from itself corresponding data block identifier, so that each
The destination server is stored with all or specific a part of data blocks of the media data.
In above scheme, the method also includes:
Get the data sending request message that request sends the media data；The data sending request message is at least
Each data block is carried in the user information and the media data of receiving device at least two target
The corresponding resource identifier of server；
It is accordingly, described to send each destination server resource identifier generated, comprising:
The user information that request message is characterized is sent based on the data, it at least will be each described in the media data
Data block is sent to the receiving device in the corresponding resource identifier of at least two destination server, in order to receive
End equipment can go to obtain the corresponding data block of the media data by different destination servers using resource identifier.
In above scheme, the method also includes:
Determine the transmission feature in the path formed between each destination server and the receiving device；
Based on transmission feature, to all or specific one formed between the destination server and the receiving device
Part path carries out priority ranking, obtains priority ranking as a result, sending priority ranking as a result, in order to receiving device
It can go to obtain the corresponding data block of the media data using resource identifier and the priority ranking result.
Second aspect of the embodiment of the present invention provides a kind of media data Multipath Transmission system, the system comprises:
Acquiring unit, for getting the inquiry request message for carrying the description information of media data；The inquiry is asked
Ask message for inquiring the multiple servers that can be used in sending the media data；
Processing unit, at least based on description information entrained by the inquiry request message, from multiple servers
At least two destination servers are selected, and receive sending ending equipment to the media using at least two destination server
Data are split obtained at least two data block after processing；
Control unit carries out data block synchronization process for controlling at least two destination server, so that each mesh
Mark server is stored with all or specific a part of data blocks of the media data, controls each destination server and generates energy
Any or certain data block resource identifier in data block is got, each destination server resource mark generated is sent
Know symbol.
In above scheme, the acquiring unit is also used to obtain the fisrt feature information of multiple servers, and described first is special
Reference the breath at least corresponding load characteristic of characterization server and storage capacity；It is also used to obtain the network site letter of sending ending equipment
Breath；
The processing unit is also used to network location information, each server based on the sending ending equipment
Description information entrained by the load characteristic and storage capacity and the inquiry request message that one characteristic information is characterized, from
At least two destination servers are selected in multiple servers.
In above scheme, the acquiring unit is also used to obtain the second feature information of each destination server, institute
It states second feature information and at least characterizes the corresponding load characteristic of destination server and storage capacity；
The processing unit, the load characteristic for being also used to be characterized based on second feature information and storage capacity, are determined
Data receiver strategy controls each destination server and receives sending ending equipment to described using the data receiver strategy
Media data is split obtained data block after processing；
Wherein, the data receiver strategy includes at least first and receives strategy and the second reception strategy；Described first receives
Under strategy, each destination server receives data block based on preset data amount；Described second receives under strategy, Mei Yisuo
It states destination server and receives the data block to match with the load characteristic of itself and storage capacity based on data allocation proportion.
In above scheme, described control unit is also used to control each destination server to other destination servers
Data block synchronizing information is sent, the data block synchronizing information carries the data for the data block that current goal server is stored
Block identification；The data block identifier that each destination server is characterized based on data block synchronizing information is controlled, to other targets
Server goes to obtain other data blocks for belonging to the media data different from itself corresponding data block identifier, so that each
The destination server is stored with all or specific a part of data blocks of the media data.
In above scheme, the acquiring unit, the data transmission for being also used to get the request transmission media data is asked
Seek message；The data sending request message at least carries in the user information and the media data of receiving device
Each data block is in the corresponding resource identifier of at least two destination server；
Described control unit is also used to send the user information that request message is characterized based on the data, at least by institute
State in media data each data block be sent in the corresponding resource identifier of at least two destination server it is described
Receiving device, in order to which receiving device can go to obtain the matchmaker by different destination servers using resource identifier
The corresponding data block of volume data.
In above scheme, it is also used to determine the path formed between each destination server and the receiving device
Transmission feature, be based on transmission feature, it is all or special to what is formed between the destination server and the receiving device
Fixed a part of path carries out priority ranking, obtains priority ranking result；
Accordingly, described control unit is also used to send priority ranking as a result, in order to which receiving device can utilize
Resource identifier and the priority ranking result go to obtain the corresponding data block of the media data.
Media data Multipath Transmission method and its system described in the embodiment of the present invention carry media number by getting
According to description information inquiry request message, at least be based on description information, at least two targets are selected from multiple servers
Server, and received after sending ending equipment is split processing to the media data using at least two destination server
Obtained at least two data block controls at least two destination server and carries out data block synchronization process, so that each
Destination server is stored with all or specific a part of data blocks of the media data, and then controls each destination server
Generation can get any or certain data block resource identifier in data block, and it is generated to send each destination server
Resource identifier；Here, since sending ending equipment is to carry out media data transmission, institute by least two destination servers
With compared with existing single diameter transmission mode, the embodiment of the present invention improves existing transmission reliability problem.Moreover, because this hair
Bright embodiment realizes Multipath Transmission, so, the data volume of the media data for the transmission supported is bigger.
Detailed description of the invention
Fig. 1 is the implementation process schematic diagram of one media data Multipath Transmission method of the embodiment of the present invention；
Fig. 2 is the composed structure schematic diagram of media data of embodiment of the present invention Multipath Transmission system；
Fig. 3 is the composed structure schematic diagram of immediate news systems of the embodiment of the present invention.
Specific embodiment
In addition, in the prior art, being directed to big messaging service and being mainly based upon MSRP agreement to realize transmitting.Further
Ground, the MSRP are text based, the agreement towards connection and session, can transmit arbitrary MIME content, it is especially useful in
Realize the transmission interactive process of instant message content.Here, it since MSRP agreement is not a standalone protocol, needs to assist with SIP
View is used cooperatively, and negotiates the tenability of MSRP URI and MSRP extension by the session establishment process of Session Initiation Protocol, and is being assisted
Quotient establishes the channel MSRP in media plane after the completion and completes data transmitting.Therefore, existing immediate news systems transmission disappears greatly
The problem of it is lower that there is also execution efficiencys when breath, is poorly suited for use in the business models such as group chat.Specifically, it is based on SIP+
When the technology path of MSRP agreement realizes one-to-one instant message and group chat message, need to establish one or more session to protect
The transmission of data is demonstrate,proved, therefore, for message session both sides there are the relationship of a close-coupled, execution efficiency is not high, is difficult to be adapted to
The biggish application scenarios of business burst amount；Moreover, based on the technology path of SIP+MSRP agreement, being needed every in group chat realization
A client and interchanger (Switch) establish a session connection, then transmit data again, therefore, realize also complex.
To solve the above-mentioned problems, the embodiment of the invention provides a kind of media data Multipath Transmission method and its systems.In order to
More fully hereinafter understand the features of the present invention and technology contents, realization of the invention be described in detail with reference to the accompanying drawing,
Appended attached drawing purposes of discussion only for reference is not used to limit the present invention.
Embodiment one
A kind of media data Multipath Transmission method is present embodiments provided, the method is applied to media data Multipath Transmission
System；Specifically, Fig. 1 is the implementation process schematic diagram of one media data Multipath Transmission method of the embodiment of the present invention, such as Fig. 1 institute
Show, which comprises
Step 101: getting the inquiry request message for carrying the description information of media data；The inquiry request message
It can be used in sending multiple servers of the media data for inquiring；
Here, the server can be specially media server described in embodiment three.
In practical applications, the description information may include at least one of following information: the type of media data
And size of data.
Step 102: at least based on description information entrained by the inquiry request message, being selected from multiple servers
At least two destination servers, and using at least two destination server receive sending ending equipment to the media data into
Obtained at least two data block after row dividing processing；
In one embodiment, the system can go to choose destination server in the following way, specifically, described
System obtains the fisrt feature information of multiple servers, and the fisrt feature information at least characterizes the corresponding load characteristic of server
And storage capacity；And obtain the network location information of sending ending equipment；And then the network site letter based on the sending ending equipment
The load characteristic and storage capacity and the inquiry request message that breath, each server fisrt feature information are characterized
Entrained description information selects at least two destination servers from multiple servers.
In another embodiment, the system can also obtain the second feature information of each destination server,
The second feature information at least characterizes the corresponding load characteristic of destination server and storage capacity；Based on second feature information institute
The load characteristic and storage capacity of characterization determine data receiver strategy, and then control each destination server and utilize institute
State data receiver strategy receive sending ending equipment to the media data be split processing after obtained data block；This
In, the data receiver strategy includes at least first and receives strategy and the second reception strategy；Described first receives under strategy, each
The destination server receives data block based on preset data amount, that is to say, that described first receives under strategy, each target
The size for the data block that server receives is identical；Accordingly, it described second receives under strategy, each destination server base
The data block to match with the load characteristic of itself and storage capacity is received in data allocation proportion.Wherein, the data point
With all destination servers that ratio is load characteristic based on each destination server and storage capacity and determines with
The sending ending equipment is formed by the corresponding allocation proportion of at least two transmission paths, that is to say, that described second receives plan
Under slightly, the size for the data block that the destination server receives and the load characteristic of itself, storage capacity, itself and transmitting terminal
The correlations such as the path situation of the transmission path of equipment, that is, described second receives under strategy, the different destination servers are received
The size of the data block arrived is identical or not identical.
Here, in practical applications, the number sent to a certain destination server can also be determined by sending ending equipment
According to the size of data of block, that is to say, that sending ending equipment can be based on target before being split processing to media data first
The load characteristic of server and storage capacity determine data distribution strategy, so based on data distribution strategy to media data into
Row dividing processing；Wherein, the data distribution strategy can also include at least the first strategy and the second strategy；Specifically,
Under one strategy, media data to be sent is divided into the identical data block of size by the sending ending equipment, and according to itself with
Load characteristic (for example, path transmission quality, load treatment capacity etc.) and each destination server between each destination server
Storage capacity distribution is polled to the obtained data block of division.Under the second strategy, the sending ending equipment is according to each
The storage capacity design path load sharing ratio of destination server, and according to the path load allocation proportion by matchmaker to be sent
Volume data is divided into the data block to differ in size, and then is sent out respectively based on path load allocation proportion by obtained data block is divided
Send destination server corresponding to data characteristics (such as size of data feature) with data block.
Step 103: control at least two destination server carries out data block synchronization process, so that each destination service
Device is stored with all data blocks of the media data, controls each destination server generation and can get in all data blocks and appoints
The resource identifier of one data block sends each destination server resource identifier generated.In some different embodiments
In, it must be not necessarily institute that each destination server, which can store specific a part of data block needed for the media data,
There is data block；It controls each destination server and generates the available resource identification to certain data block needed for data block
Symbol, must be not necessarily the resource identifier of any data block.
In one embodiment, it is same can to control progress data between destination server in the following way for the system
Step controls each destination server to other destination servers and sends data block synchronizing information, the data block is synchronous
Information carries the data block identifier for the data block that current goal server is stored；Each destination server is controlled to be based on
The data block identifier that data block synchronizing information is characterized goes to obtain data block identifier corresponding with itself to other destination servers
Different other data blocks for belonging to the media data, so that each destination server is stored with the media data
All data blocks.
In another embodiment, the step that has that multipath sends media data includes: to get request to send institute
State the data sending request message of media data；The data sending request message at least carries (one or more) receiving end
Each data block is corresponding at least two destination server in the user information of equipment and the media data
Resource identifier (it is right in all destination server institutes e.g., to carry each data block in the data sending request message
The resource identifier answered, in this way, being convenient for load characteristic and storage capacity etc. of the receiving device based on destination server, from multiple
It goes to select a certain destination server in destination server and carrys out downloading data block)；Further, request is sent based on the data
The user information that message is characterized, at least by the data block each in the media data at least two destination service
The corresponding resource identifier of device is sent to the receiving device, in order to which receiving device can be passed through using resource identifier
Different destination servers goes to obtain the corresponding data block of the media data.It here, can when receiving device is multiple
It goes to obtain media data from different destination servers convenient for multiple equipment.
In the present embodiment, the system can also determine shape between each destination server and the receiving device
At path transmission feature, and then be based on transmission feature, formed between the destination server and the receiving device
All paths carry out priority ranking, obtain priority ranking as a result, send priority ranking as a result, in this way, convenient for receive
End equipment can go to obtain the corresponding data block of the media data using resource identifier and the priority ranking result.When
So, in practical applications, it can also be that receiving device is formed by path with multiple destination servers to itself and carries out preferentially
Grade sequence, and then certain data block is downloaded based on the ranking results whereabouts special target service device of itself, and then complete downloading matchmaker
The process of volume data.
In this way, method described in the embodiment of the present invention, the inquiry of the description information of media data is carried by getting
Request message is at least based on description information, at least two destination servers is selected from multiple servers, and described in extremely
Few two destination servers receive sending ending equipments and are split obtained at least two number after processing to the media data
It according to block, controls at least two destination server and carries out data block synchronization process, so that the storage of each destination server is
All data blocks of media data are stated, and then control each destination server generation to get any data in all data blocks
The resource identifier of block sends each destination server resource identifier generated；Here, since sending ending equipment is to pass through
At least two destination servers carry out data transmission, so, compared with existing single diameter transmission mode, the embodiment of the present invention changes
It has been apt to existing transmission reliability problem.Moreover, because the embodiment of the present invention realizes Multipath Transmission, so, the transmission supported
Media data data volume it is larger.
Embodiment two
A kind of media data Multipath Transmission system is present embodiments provided, specifically, as shown in Fig. 2, the system comprises:
Acquiring unit 21, for getting the inquiry request message for carrying the description information of media data；The inquiry
Request message is for inquiring the multiple servers that can be used in sending the media data；
Processing unit 22, at least based on description information entrained by the inquiry request message, from multiple servers
In select at least two destination servers, and receive sending ending equipment to the matchmaker using at least two destination server
Volume data is split obtained at least two data block after processing；
Control unit 23 carries out data block synchronization process for controlling at least two destination server, so that each
Destination server is stored with all data blocks of the media data, and all numbers can be got by controlling each destination server generation
According to the resource identifier of any data block in block, each destination server resource identifier generated is sent.
In one embodiment, the acquiring unit 21, is also used to obtain the fisrt feature information of multiple servers, and described
One characteristic information at least characterizes the corresponding load characteristic of server and storage capacity；It is also used to obtain the network position of sending ending equipment
Confidence breath；
The processing unit 22 is also used to network location information, each server based on the sending ending equipment
Description information entrained by the load characteristic and storage capacity and the inquiry request message that fisrt feature information is characterized,
At least two destination servers are selected from multiple servers.
In another embodiment, the acquiring unit 21 is also used to obtain the second feature of each destination server
Information, the second feature information at least characterize the corresponding load characteristic of destination server and storage capacity；
The processing unit 22, the load characteristic for being also used to be characterized based on second feature information and storage capacity are determined
Data receiver strategy out controls each destination server and receives sending ending equipment to institute using the data receiver strategy
It states media data and is split obtained data block after processing；
Wherein, the data receiver strategy includes at least first and receives strategy and the second reception strategy；Described first receives
Under strategy, each destination server receives data block based on preset data amount；Described second receives under strategy, Mei Yisuo
It states destination server and receives the data block to match with the load characteristic of itself and storage capacity based on data allocation proportion.
In another embodiment, described control unit 23 are also used to control each destination server to other targets
Server sends data block synchronizing information, and the data block synchronizing information carries the data block that current goal server is stored
Data block identifier；Control the data block identifier that each destination server is characterized based on data block synchronizing information, Xiang Qi
His destination server goes to obtain other data blocks for belonging to the media data different from itself corresponding data block identifier, with
Each destination server is set to be stored with all data blocks of the media data.
In another embodiment, the acquiring unit 21 is also used to get the data that request sends the media data
Send request message；The data sending request message at least carry receiving device user information and the media
Each data block is in the corresponding resource identifier of at least two destination server in data；
Described control unit 23 is also used to send the user information that request message is characterized based on the data, at least will
Each data block is sent to institute in the corresponding resource identifier of at least two destination server in the media data
Receiving device is stated, in order to which receiving device can be gone described in acquisition using resource identifier by different destination servers
The corresponding data block of media data.
In another embodiment, the processing unit 22 is also used to determine each destination server and the reception
The transmission feature in the path formed between end equipment is based on transmission feature, to the destination server and the receiving device
Between all paths for being formed carry out priority ranking, obtain priority ranking result；
Accordingly, described control unit 23 are also used to send priority ranking as a result, in order to which receiving device being capable of benefit
It goes to obtain the corresponding data block of the media data with resource identifier and the priority ranking result.
It need to be noted that: the description of system above embodiment, be with the description of above method embodiment it is similar,
With the similar beneficial effect of same embodiment of the method, therefore do not repeat them here.For undisclosed skill in present system embodiment
Art details please refers to the description of embodiment of the present invention method and understands, to save length, therefore repeats no more.
Here, in embodiment two provided herein, it should be understood that described system embodiment is only to show
Meaning property, for example, the division of the unit, only a kind of logical function partition can have other division in actual implementation
Mode, such as: multiple units or components can combine, or be desirably integrated into another system, or some features can be ignored, or not
It executes.Based on this, the embodiment of the invention also provides another specific division modes, as the following examples described in three, pass through
System described in following embodiments three equally can be realized media data Multipath Transmission method described in the embodiment of the present invention.
Embodiment three
The concrete application example of media data Multipath Transmission method described in more than one embodiments is present embodiments provided,
In the concrete application example, the system described in above embodiments can be applied particularly to immediate news systems；That is the present embodiment
A kind of media data Multipath Transmission method based on immediate news systems is provided, as shown in figure 3, the immediate news systems master
It to include two functional entitys, respectively instant message client (IM Client) and server of instant message (IM
Server)；In one embodiment, the instant message client can specifically include instant message transmitting terminal (IM
) and instant message receiving end (IM Receiver) Sender；The server of instant message can specifically include signal server
(SS, Signaling Server) and media server (MS).Here, media data described in the present embodiment one or embodiment two
Multipath Transmission system can especially by described in the present embodiment signal server and media server realize, that is to say, that institute
At least one media server and at least one signal server, example can be specifically included by stating media data Multipath Transmission system
Such as, as shown in figure 3, the media data Multipath Transmission system includes SS and three MS (i.e. MS1, MS2 and MS3).
Further, based on system framework as described in Figure 3, the groundwork stream of the media data Multipath Transmission method
Journey includes:
Step 301:IM Sender sends MS list query request message to SS, to obtain available MS list information.
Here, in one embodiment, step 301, which has, includes:
Step 301-1:IM Sender sends MS list query request message to SS, which takes
Description information with media data to be sent, for example, the description information includes type and size of data of media data etc.；
After step 301-2: the SS receives the MS list query request message, the network position of IM Sender is obtained
Confidence ceases, and the description information of media data to be sent is extracted from MS list query request message；
Step 301-3: the SS believes according to the description of the network location information and media data to be sent of IM Sender
Breath selects multiple MS, and sends storage service request message to selected the multiple MS；
Step 301-4: after each MS in the multiple MS receives storage service request message, according to itself
Free memory and processing load, decide whether to provide service for this request；If so, to the SS send storage service at
Function response message carries the IP address and port numbers, storage location and memory space of MS in the storage service success response message
The information such as size, otherwise, Xiang Suoshu SS send storage service failure response message；
Step 301-5: the SS is receiving all storage service response message (i.e. storage clothes for selecting the MS loopback
Success response message of being engaged in or storage service failure response message) after, based on the received in storage service response message
Storage service success response message establishing MS list, here, IP address and port numbers, storage position in the MS list comprising MS
It sets and the information such as storage size；
Step 301-6: the SS by the MS list notification of creation to each MS in the MS list, and to the IM
Sender sends MS list query response message and carries the MS list in the MS list query response message here；
Step 301-7: the IM Sender receives MS list query response message, responds from the MS list query
MS list is extracted in message.
In practical applications, after the IM Sender extracts MS list, Xiang Suoshu SS feedback reception confirmation message.Into
One step, it, also can be to the SS feedback reception confirmation message after every MS in the MS list receives MS list information.
Step 302: the IM Sender receives MS list query response message, disappears from MS list query response
MS list is extracted in breath, and media data to be sent is split processing, is divided into multiple data blocks, by multiple data
Block is sent to multiple MS in the MS list.
Certainly, in practical applications, the IM Sender, can be directly by matchmaker to be sent after getting MS list
Volume data is sent to every MS in the MS list, or can also select multiple MS from the MS list, will be pending
The media data sent is sent to the multiple MS selected.Media data to be sent is sent to by the present embodiment with IM Sender
Media data Multipath Transmission method is described in detail for every MS in the MS list.In one embodiment,
Step 302, which has, includes:
Step 302-1: the IM Sender carries out data segmentation to sent media data according to data distribution strategy
Processing.Here, in practical applications, IM Sender can select different segmentation sides based on different data distribution strategies
Formula to sent media data is split processing.For example, the data distribution strategy includes at least the first strategy and the
Two strategies further according to the first strategy, then follow the steps 302-2；According to the second strategy, 302- is thened follow the steps
3；
Step 302-2: media data to be sent is divided into the identical data block of size by the IM Sender, and is
Each data block creates unique data block identifier Media_id；And according in the IM Sender and the MS list
The data block that the storage capacity of path transmission quality and each MS between each MS obtains division is polled distribution, enters
Step 302-4；
Step 302-3: the IM Sender loads according to the storage capacity design path of each MS in the MS list
Allocation proportion, and media data to be sent is divided into the data block to differ in size according to the path load allocation proportion, and
Unique data block identifier Media_id is created for each data block, and then is obtained division based on path load allocation proportion
Data block be respectively sent to corresponding MS, namely be sent to opposite with the data characteristics of data block (such as size of data feature)
The MS answered；
Step 302-4: after the MS receives data block, the data block currently to upload creates media data description text
Part, and the unique file identifier File_id of document creation is described for the media data, here, the media data description text
Part is used to store the information such as size of data, Media_id, the storage location for uploading successful data block and the data block；
Step 302-5: the MS uploads response message to IM Sender feedback data block；Specifically, if data block uploads
Success, then the MS uploads success response message to the IM Sender feedback data block, which uploads success response and disappear
Include Media_id, File_id and the transmission status information etc. of data block in breath, enters step 302-6；Otherwise, the MS
Failure response message is uploaded to IM Sender feedback data block, it includes data block which, which uploads in failure response message,
Upload failure cause, Media_id and send status information etc., enter step 302-6；
Step 302-6: when receive data block upload success response message when, the IM Sender by it is next not on
The data block of biography distributes to arrival data block at first and uploads MS corresponding to success response message；Mistake is uploaded when receiving data block
When losing response message, the IM Sender no longer will upload data block to the MS for sending data block upload failure response message；
Step 302-7: the IM Sender determines that media data to be sent uploads when completing, and stops uploading.
Here, in practical applications, when the IM Sender determines that the buffer area of media data to be sent is empty, meaning
It all uploads and completes for media data, then stop uploading.
Step 303: after every MS in the MS list receives corresponding data block, MS in the MS list it
Between carry out that data block is synchronous and backup, and describe according to the media data of the data characteristics of characterize data block that file generated is unified to be provided
Source identifier (URI, Uniform Resource Identifier) is simultaneously pushed to IM Sender.
Here, in one embodiment, step 303, which has, includes:
Step 303-1: the MS in the MS list is based on MS list, other MS send file forwarding in Xiang Suoshu MS list
Request message, it includes source MS network location information, target MS network location information, File_id, matchmaker that this document, which forwards request message,
The information such as body type, file size and file content；
Step 303-2: after receiving file forwarding request message, MS is loaded according to itself free memory and processing
(namely storage capacity) decides whether that synchronous and backup services can be provided for file, if so, 303-3 is thened follow the steps, it is no
Then, step 303-4 is executed；
Data merged block in the identified file of same File_id is updated itself and corresponded to by step 303-3:MS
Media data the data list of file is described, by information such as the Media_id of newly-increased data block, size of data, storage locations
It sequentially stores to media data and describes file, disappear to the corresponding MS feedback file forwarding success response of file forwarding request message
Breath enters step and executes 303-5；
Step 303-4:MS forwards the corresponding MS feedback file retransmission failure response message of request message to file；
Step 303-5: after completing data block synchronization and backup, every MS in the MS list is the media number updated
It is deposited according to IP address, port numbers, the File_id etc. that description document creation URI, the URI include MS where media data describes file
Information is stored up, and is pushed to IM Sender；
After step 303-6:IM Sender receives the URI of MS transmission, to MS received back confirmation message.
So far, media data uploads and synchronous and backup is completed；Here, the same data block corresponds to multiple URI, but
It is only unique Media_id.
A MS every in the MS list URI pushed is sent to IM by SS by step 304:IM Sender
Receiver。
Here, in one embodiment, step 304, which has, includes:
Step 304-1:IM Sender to SS send media data send request message, the message carry IM Sender and
The user information of IM Receiver and multiple download address URI of media data；
Step 304-2:SS receives and parses through the media data request message, according to what is carried in media data request message
The media data request message is forwarded to IM Receiver by the user information of IM Receiver；
After step 304-3:IM Receiver receives media data request message, if IM Receiver selection receives
The media data request message and downloads of media data, then receive response message to IM Sender loopback media data, otherwise,
Loopback media data refuses to respond message.
Step 305:IM Receiver passes through multiple URI for receiving from multiple MS downloads of media data.
Here, in one embodiment, step 305, which has, includes:
Step 305-1:IM Receiver formulates media number according to itself path transmission quality to path between every MS
According to download policy, for example, according to the media data downloading rate decision path priority order in path between each MS, and according to
The priority order poll downloads of media data, finally to ensure that media data reaches receiving end with most fast downloading rate；
Step 305-2:IM Receiver is by multiple download address URI of the media data obtained, according to media data
Download policy, Xiang Zhiding MS send media data downloading request message, which includes IM Receiver's
The network location information of network location information, media data download address URI and purpose MS；Further, under the media data
The Media_id that message at least also includes data block to be downloaded is carried, in this way, convenient for going downloading certain number from specified MS
According to block.
Here, in practical applications, the IM Receiver also knows the media number having for media data to be downloaded
According to description file, that is to say, that the IM Receiver can get the deblocking state of media data to be downloaded,
The data characteristics to data block obtained after media data dividing processing, such as size of data can be known, in this way, being convenient for
The IM Receiver determines media data based on the data characteristics of each data block and media data downloading rate etc.
Download policy, for example, determining the data download policy for downloading a certain specific data block from a certain specified MS.
After step 305-3:MS receives media data downloading request message, whether detection URI is legal, if it is, under
Data block specified by media data downloading request message is carried, and downloads success response to IM Receiver feedback media data
Otherwise message feeds back media data failed download response message；
After step 305-4:IM Receiver receives media data downloading success response message, according to data block
Media_id recombinates media data, and checks its integrality；
Step 305-5: when IM Receiver detects that the data block of some Media_id is not downloaded, then according to media
Data download policy sends the downloading request message for downloading the data block of the Media_id to MS；
Step 305-6: repeat the above steps 305-3 to step 305-5, completes the downloading process of entire media data, into
And the media data after being recombinated.
In practical applications, system described in the present embodiment can be specially immediate news systems, that is to say, that this implementation
Method described in example can be applied particularly in immediate news systems, and can realize that media data is more using immediate news systems
The purpose of diameter transmission, for example, using instant message client by mulitpath upload and/or downloads of media data, and then keep away
The problems such as exempting from instant message time delay caused by the burst congestion of the limitation or certain transmission paths due to path bandwidth or packet loss.
Further, the present embodiment realizes the distributed storage of media data, and data dispersion is stored in multiple independences
Media server in, solve data storage bottleneck problem；Simultaneously as having carried out the synchronous behaviour of data between media server
Make, so, the present embodiment also achieves the backup of the media data in media server, allows client from different matchmakers
Identical media data is downloaded in body server, avoids the limitation due to the congestion or path transmission quality of certain paths, and
The problem of media data in corresponding media server can not be downloaded.
In practical applications, media data Multipath Transmission method described in the present embodiment can also support that client downloads are offline
Media data can not receive the URI information of the media data by signal server forwarding for example, receiving end is offline, at this point, should
URI information will be handled as information off-line, when receiving end is again online, message of the signal server by receiving end during offline
Information is sent to receiving end, and receiving end is gone to obtain media data into corresponding media server according to the URI information in message.
Further, compared with the existing technology path based on SIP+MSRP, the embodiment of the present invention also achieves media number
According to the decoupling sent and received, execution efficiency is effectively improved；Specifically, in the embodiment of the present invention transmitting terminal first by media number
According to uploading in media server, then sends the URI information of return in signal server, be forwarded to by signal server
Receiving end, further, receiving end receive after URI information according to the URI information downloads of media data, should not in the above process
Message session both sides are asked to know the state of other side, simultaneous session both sides do not need to establish a session relationship and synchronized relation, institute
With the embodiment of the present invention realizes decoupling of the media data session both sides on space, time and synchronized relation, effectively increases
Execution efficiency.Moreover, the corresponding client of the method for the embodiment of the present invention is actively gone according to URI information in group chat realization
Obtain media data, it is easier to realize.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
Mutual coupling or direct-coupling or communication connection is divided to can be through some interfaces, the INDIRECT COUPLING of equipment or unit
Or communication connection, it can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit, it can and it is in one place, it may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated in one processing unit, it can also
To be each unit individually as a unit, can also be integrated in one unit with two or more units；It is above-mentioned
Integrated unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned include: movable storage device, it is read-only
Memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or
The various media that can store program code such as person's CD.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independent product
When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the present invention is implemented
Substantially the part that contributes to existing technology can be embodied in the form of software products the technical solution of example in other words,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
It is personal computer, server or network equipment etc.) execute all or part of each embodiment the method for the present invention.
And storage medium above-mentioned includes: that movable storage device, ROM, RAM, magnetic or disk etc. are various can store program code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (11)
1. a kind of media data Multipath Transmission method, which is characterized in that the described method includes:
Get the inquiry request message for carrying the description information of media data；The inquiry request message can for inquiring
For sending multiple servers of the media data；
At least based on description information entrained by the inquiry request message, at least two targets are selected from multiple servers
Server, and received after sending ending equipment is split processing to the media data using at least two destination server
Obtained at least two data block；
Control at least two destination server and carry out data block synchronization process so that each destination server be stored with it is described
All data blocks of media data control each destination server and generate the resource identifier that can get data block, send every
One destination server resource identifier generated；
Wherein, control at least two destination server carries out data block synchronization process, so that each destination server
It is stored with all data blocks of the media data, comprising:
It controls each destination server and sends data block synchronizing information, the synchronous letter of the data block to other destination servers
Breath carries the data block identifier for the data block that current goal server is stored；
The data block identifier that each destination server is characterized based on data block synchronizing information is controlled, to other destination services
Device goes to obtain other data blocks for belonging to the media data different from itself corresponding data block identifier, so that each described
Destination server is stored with all data blocks of the media data.
2. the method according to claim 1, wherein the method also includes:
The fisrt feature information of multiple servers is obtained, the fisrt feature information at least characterizes the corresponding load characteristic of server
And storage capacity；
Obtain the network location information of sending ending equipment；
Accordingly, described at least based on description information entrained by the inquiry request message, it is selected from multiple servers
At least two destination servers, comprising:
The load that network location information, each server fisrt feature information based on the sending ending equipment are characterized is special
Description information entrained by storage capacity of seeking peace and the inquiry request message, selects at least two from multiple servers
A destination server.
3. the method according to claim 1, wherein the method also includes:
The second feature information of each destination server is obtained, the second feature information at least characterizes destination server pair
The load characteristic and storage capacity answered；
The load characteristic and storage capacity characterized based on second feature information, determines data receiver strategy；
Accordingly, described that the media data is split using at least two destination server reception sending ending equipment
Obtained at least two data block after processing, comprising:
Each destination server is controlled using the data receiver strategy to receive sending ending equipment to the media data
It is split obtained data block after handling；
Wherein, the data receiver strategy includes at least first and receives strategy and the second reception strategy；Described first receives strategy
Under, each destination server receives data block based on preset data amount；Described second receives under strategy, each mesh
Mark server receives the data block to match with the load characteristic of itself and storage capacity based on data allocation proportion.
4. method according to any one of claims 1 to 3, which is characterized in that the method also includes:
Get the data sending request message that request sends the media data；The data sending request message at least carries
There is in the user information and the media data of receiving device each data block at least two destination service
The corresponding resource identifier of device；
It is accordingly, described to send each destination server resource identifier generated, comprising:
The user information that request message is characterized is sent based on the data, at least by the data each in the media data
Block is sent to the receiving device in the corresponding resource identifier of at least two destination server, in order to which receiving end is set
It is standby to go to obtain the corresponding data block of the media data by different destination servers using resource identifier.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
Determine the transmission feature in the path formed between each destination server and the receiving device；
Based on transmission feature, priority row is carried out to the path formed between the destination server and the receiving device
Sequence, obtain priority ranking as a result, send priority ranking as a result, in order to receiving device can using resource identifier and
The priority ranking result goes to obtain the corresponding data block of the media data.
6. a kind of media data Multipath Transmission system, which is characterized in that the system comprises:
Acquiring unit, for getting the inquiry request message for carrying the description information of media data；The inquiry request disappears
Breath is for inquiring the multiple servers that can be used in sending the media data；
Processing unit, at least based on description information entrained by the inquiry request message, being chosen from multiple servers
At least two destination server out, and sending ending equipment is received to the media data using at least two destination server
It is split obtained at least two data block after handling；
Control unit carries out data block synchronization process for controlling at least two destination server, so that each target takes
Business device is stored with all data blocks of the media data, controls each destination server and generates the resource that can get data block
Identifier sends each destination server resource identifier generated；
Wherein, described control unit is also used to control each destination server to other destination servers and sends data block
Synchronizing information, the data block synchronizing information carry the data block identifier for the data block that current goal server is stored；Control
The data block identifier that each destination server is characterized based on data block synchronizing information is made, goes to obtain to other destination servers
Other data blocks for belonging to the media data different from itself corresponding data block identifier are taken, so that each target clothes
Business device is stored with all data blocks of the media data.
7. system according to claim 6, which is characterized in that the acquiring unit is also used to obtain multiple servers
Fisrt feature information, the fisrt feature information at least characterize the corresponding load characteristic of server and storage capacity；It is also used to obtain
Take the network location information of sending ending equipment；
It is special to be also used to network location information, each server first based on the sending ending equipment for the processing unit
Reference ceases description information entrained by characterized load characteristic and storage capacity and the inquiry request message, from multiple
At least two destination servers are selected in server.
8. system according to claim 6, which is characterized in that the acquiring unit is also used to obtain each target
The second feature information of server, the second feature information at least characterize the corresponding load characteristic of destination server and storage energy
Power；
The processing unit, the load characteristic for being also used to be characterized based on second feature information and storage capacity, determine data
Strategy is received, each destination server is controlled and receives sending ending equipment to the media using the data receiver strategy
Data are split obtained data block after processing；
Wherein, the data receiver strategy includes at least first and receives strategy and the second reception strategy；Described first receives strategy
Under, each destination server receives data block based on preset data amount；Described second receives under strategy, each mesh
Mark server receives the data block to match with the load characteristic of itself and storage capacity based on data allocation proportion.
9. according to the described in any item systems of claim 6 to 8, which is characterized in that the acquiring unit is also used to get and ask
Seek the data sending request message for sending the media data；The data sending request message at least carries receiving device
User information and the media data in each data block in the corresponding resource of at least two destination server
Identifier；
Described control unit is also used to send the user information that request message is characterized based on the data, at least by the matchmaker
Each data block is sent to the reception in the corresponding resource identifier of at least two destination server in volume data
End equipment, in order to which receiving device can go to obtain the media number by different destination servers using resource identifier
According to corresponding data block.
10. system according to claim 9, which is characterized in that the processing unit is also used to determine each target
The transmission feature in the path formed between server and the receiving device is based on transmission feature, to the destination server
The path formed between the receiving device carries out priority ranking, obtains priority ranking result；
Accordingly, described control unit is also used to send priority ranking as a result, in order to which receiving device can utilize resource
Identifier and the priority ranking result go to obtain the corresponding data block of the media data.
11. a kind of storage medium, the media storage has computer program, which is characterized in that the computer program is processed
The step of any one of claim 1 to 5 the method is realized when device executes.
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| CN110996139B (en) * | 2019-12-19 | 2022-04-29 | 浙江大华技术股份有限公司 | Video path switching processing method and device |
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| CN101184055A (en) * | 2007-12-11 | 2008-05-21 | 腾讯科技（深圳）有限公司 | Method and device of delivering, receiving, transmitting off-line files |
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| CN101465824A (en) * | 2008-12-29 | 2009-06-24 | 腾讯科技（深圳）有限公司 | Multi-source transmission system and method for instant communication file |
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| KR101378309B1 (en) * | 2011-11-22 | 2014-03-28 | 에스케이텔레콤 주식회사 | Apparatus and recording medium for file transfer using HyperText Transfer protocol while chatting |
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| CN101227460A (en) * | 2007-01-19 | 2008-07-23 | 秦晨 | Method for uploading and downloading distributed document and apparatus and system thereof |
| CN101184055A (en) * | 2007-12-11 | 2008-05-21 | 腾讯科技（深圳）有限公司 | Method and device of delivering, receiving, transmitting off-line files |
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