CN108632304A - 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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- 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 method, the method includes：Get the inquiry request message for the description information for carrying 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 the 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 the resource identifier that each destination server is 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 technology
Instant message (IM, Instant Messaging) refers to a kind of real-time, interactive message based on the Internet, applications, is passed
The content passed may include not only text and data, but also may include picture, video, audio etc., can provide to the 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 patterns, Largemessage_mode patterns and Session_mode patterns.Here, disappearing immediately when transmission
Breath is plaintext message, and when size is no more than 1300 byte, and Page_mode patterns may be used directly with dialogue-based initial
The MESSAGE modes of agreement (SIP, Session Initiation Protocol) send the instant message；When the message of transmission
Size be more than 1300 byte when, may be used Largemessage_mode patterns by message session trunk protocol (MSRP,
The Message Session Relay Protocol) carry out message transmission；And the Session_mode patterns refer to depositing
In the interacting message pattern of clear beginning and end, the message for being suitable for big data quantity is transmitted, such as audio, video etc..
Here, in practical applications, usually by above-mentioned Largemessage_mode patterns and Session_mode patterns
Instant message is referred to as big message, the file etc. which would generally be including picture, audio, video and big data quantity.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.
Invention content
To solve existing technical problem, an embodiment of the present 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.
What the technical solution of the embodiment of the present invention was realized in：
First aspect of the embodiment of the present invention provides a kind of media data Multipath Transmission method, the method includes：
Get the inquiry request message for the description information for carrying 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 the 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 the resource identifier that each destination server is generated.
In said program, the method further 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 the description information entrained by the inquiry request message, it is selected from multiple servers
At least two destination servers are taken out, including：
Network location information, each server fisrt feature information based on the sending ending equipment are characterized negative
Carry the description information entrained by feature and storage capacity and the inquiry request message, selected from multiple servers to
Few two destination servers.
In said program, the method further 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, including：
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
Destination server is stated based on data allocation proportion to receive the data block to match with the load characteristic of itself and storage capacity.
In said program, 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, including：
Each destination server is controlled to other destination server transmission data block synchronizing informations, 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 said program, the method further includes：
Get the data sending request message that request sends the media data；The data sending request message is at least
Carry receiving device user information and the media data in each data block at least two target
The corresponding resource identifier of server；
Accordingly, the resource identifier for sending each destination server and being generated, including：
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 said program, the method further includes：
Determine the transmission feature in the path formed between each destination server and the receiving device；
Based on transmission feature, formed between the destination server and the receiving device all or specific one
Part path carries out priority ranking, obtains priority ranking as a result, sending priority ranking as a result, in order to receiving device
Resource identifier and the priority ranking result can be utilized to go to obtain the corresponding data block of the media data.
Second aspect of the embodiment of the present invention provides a kind of media data Multipath Transmission system, the system comprises：
Acquiring unit, the inquiry request message for getting the description information for carrying media data；The inquiry is asked
Ask message for inquiring the multiple servers that can be used in sending the media data；
Processing unit is used at least based on the description information entrained by the inquiry request message, from multiple servers
At least two destination servers are selected, and sending ending equipment is received 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, so that each mesh for controlling at least two destination server
Mark server storage has 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, the resource mark that each destination server is generated is sent
Know symbol.
In said program, the acquiring unit is additionally operable 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 additionally operable to obtain the network site letter of sending ending equipment
Breath；
The processing unit is additionally operable to network location information, each server based on the sending ending equipment
The description information entrained by 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 said program, the acquiring unit is additionally operable 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 is additionally operable to the load characteristic characterized based on second feature information and storage capacity, 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
Destination server is stated based on data allocation proportion to receive the data block to match with the load characteristic of itself and storage capacity.
In said program, described control unit is additionally operable to control each destination server to other destination servers
Transmission data block synchronizing information, the data block synchronizing information carry 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 said program, the acquiring unit, the data transmission for being additionally operable to get the request transmission media data is asked
Seek message；The data sending request message at least carries in 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 additionally operable 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 utilize resource identifier to go by different destination servers to obtain the matchmaker
The corresponding data block of volume data.
In said program, it is additionally operable to determine the path formed between each destination server and the receiving device
Transmission feature, be based on transmission feature, what is formed between the destination server and the receiving device is all or special
Fixed a part of path carries out priority ranking, obtains priority ranking result；
Accordingly, described control unit is additionally operable 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 described in the embodiment of the present invention and its system 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, send what each destination server was generated
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 bigger of the media data for the transmission supported.
Description of the drawings
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 Multipath Transmission system of the embodiment of the present invention；
Fig. 3 is the composed structure schematic diagram of immediate news systems of the embodiment of the present invention.
Specific implementation mode
In addition, in the prior art, being directed to big messaging service and being mainly based upon MSRP agreements to realize transmission.Further
Ground, the MSRP are text based, the agreement towards connection and session, can transmit arbitrary MIME contents, it is especially useful in
Realize the transmission interactive process of instant message content.Here, it since MSRP agreements are not a standalone protocols, needs to assist with SIP
View is used cooperatively, and negotiates the tenability of MSRP URI and MSRP extensions by the session establishment process of Session Initiation Protocol, and is being assisted
Quotient establishes the channels MSRP in media plane and completes data transfer after the completion.Therefore, existing immediate news systems transmission disappears greatly
It is relatively low that there is also execution efficiencys when breath, the problem of being poorly suited for use in the business models such as group chat.Specifically, it is based on SIP+
When the technology path of MSRP agreements 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, it is difficult to be adapted to
The larger application scenarios of business burst amount；Moreover, in group chat realization, based on the technology path of SIP+MSRP agreements, need every
A client establishes a session connection with interchanger (Switch), and then again therefore transmission data is realized also complex.
To solve the above-mentioned problems, an embodiment of the present 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, the realization of the present invention be described in detail below in conjunction with the accompanying drawings,
Appended attached drawing purposes of discussion only for reference is not used for limiting 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 institutes
Show, the method includes：
Step 101：Get the inquiry request message for the description information for carrying 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 the 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 the description information entrained by the inquiry request message, 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 may be used under type such as and go to choose destination server, 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 specific 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 of data block that the destination server receives and itself load characteristic, 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 receive
To data block size it is identical or differ.
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 first before being split processing to media data
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.) between each destination server and 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：It controls at least two destination server and 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 the resource identifier that each destination server is generated.In some different embodiments
In, each destination server can be stored with specific a part of data block needed for the media data, must be not necessarily institute
There is data block；It controls each destination server and generates the resource identification that can get certain data block needed for data block
Symbol, must be not necessarily the resource identifier of any data block.
In one embodiment, the system may be used as same in carried out data between under type control targe server
Step controls each destination server to other destination server transmission data block synchronizing informations, the data block synchronizes
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 specific embodiment, the step that has that multipath sends media data includes：It gets request and sends institute
State the data sending request message of media data；The data sending request message at least carries (one or more) receiving terminal
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 servers institute 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 each data block 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
Convenient for multiple equipment acquisition media data is removed from different destination servers.
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 utilize resource identifier and the priority ranking result to go to obtain the corresponding data block of the media data.When
So, in practical applications, it can also be that receiving device is formed by path into row major to itself with multiple destination servers
Grade sequence, and then certain data block is downloaded based on the ranking results whereabouts special target service device of itself, and then complete to download matchmaker
The process of volume data.
In this way, the method described in the embodiment of the present invention, by the inquiry for getting the description information for carrying media data
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 the resource identifier that each destination server is 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, the inquiry request message for getting the description information for carrying media data；The inquiry
Request message is for inquiring the multiple servers that can be used in sending the media data；
Processing unit 22 is used at least based on the 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, so that each for controlling at least two destination server
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, the resource identifier that each destination server is generated is sent.
In one embodiment, the acquiring unit 21, is additionally operable 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 additionally operable to obtain the network position of sending ending equipment
Confidence ceases；
The processing unit 22 is additionally operable to network location information, each server based on the sending ending equipment
The description information entrained by 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 additionally operable 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 is additionally operable to the load characteristic characterized based on second feature information and storage capacity, determines
Go out data receiver strategy, controls each destination server and receive 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
Destination server is stated based on data allocation proportion to receive the data block to match with the load characteristic of itself and storage capacity.
In another embodiment, described control unit 23 are additionally operable to control each destination server to other targets
Server transmission data block synchronizing information, the data block synchronizing information carry 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 additionally operable to get the data that request sends the media data
Send request message；The data sending request message at least carries the user information of receiving device 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 additionally operable 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 by different destination servers described in acquisition using resource identifier
The corresponding data block of media data.
In another embodiment, the processing unit 22 is additionally operable 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 additionally operable to send priority ranking as a result, in order to which receiving device being capable of profit
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 be：The description of system above embodiment, be with the description of above method embodiment it is similar,
With the similar advantageous effect of same embodiment of the method, therefore do not repeat.For undisclosed skill in present system embodiment
Art details please refers to the description of the method for the present invention embodiment 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 division of logic function can have other division in actual implementation
Mode, such as：Multiple units or component 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 present invention additionally provides another specific dividing mode and passes through as described in following embodiments three
System described in following embodiments three can equally realize the media data Multipath Transmission method described in the embodiment of the present invention.
Embodiment three
The concrete application example of the 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 example 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
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 terminal (IM Receiver) Sender；The server of instant message can specifically include signal server
(SS, Signaling Server) and media server (MS).Here, the 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 send MS list query request messages to SS, to obtain available MS list informations.
Here, in one embodiment, step 301 have including：
Step 301-1：IM Sender send MS list query request messages 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.；
Step 301-2：After the SS receives the MS list query request messages, 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 messages；
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, and decide whether to provide service for this request；If so, to the SS send storage service at
Work(response message carries IP address and port numbers, the storage location and memory space of MS in the storage service success response message
Otherwise the information such as size send storage service failure response message to the SS；
Step 301-5：The SS is receiving all storage service response message (i.e. storage clothes for selecting the MS loopbacks
Success response message of being engaged in or storage service failure response message) after, according in received storage service response message
Storage service success response message establishing MS lists, here, the IP address comprising MS and port numbers, storage position in the MS lists
It sets and the information such as storage size；
Step 301-6：The SS by the MS list notifications of establishment to each MS in the MS lists, and to the IM
Sender sends MS list query response messages and carries the MS lists in the MS list queries response message here；
Step 301-7：The IM Sender receive MS list query response messages, are responded from the MS list queries
MS lists are extracted in message.
In practical applications, after the IM Sender extract MS lists, to the SS feedback receptions confirmation message.Into
One step, it, also can be to the SS feedback receptions confirmation message after every MS in the MS lists receives MS list informations.
Step 302：The IM Sender receive MS list query response messages, disappear from MS list queries response
MS lists are extracted in breath, and media data to be sent is split processing, are divided into multiple data blocks, by multiple data
Block is sent to multiple MS in the MS lists.
Certainly, in practical applications, the IM Sender, can be directly by matchmaker to be sent after getting MS lists
Volume data is sent to every MS in the MS lists, or can also select multiple MS from the MS lists, 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 lists.In one embodiment,
Step 302 have including：
Step 302-1：The IM Sender carry out data segmentation according to data distribution strategy to sent media data
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 lists
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 are loaded according to the storage capacity design path of each MS in the MS lists
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 blocks；Specifically, if data block uploads
Successful, then the MS uploads success response message to the IM Sender feedback data blocks, 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 blocks, 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 is distributed to the MS reached at first corresponding to data block upload success response message；Mistake is uploaded when receiving data block
When losing response message, the MS that failure response message is no longer uploaded to transmission data block is uploaded data block by the IM Sender；
Step 302-7：When the IM Sender determine that media data to be sent uploads completion, stop uploading.
Here, in practical applications, when the IM Sender determine that the buffering 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 lists receives corresponding data block, MS in the MS lists 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 have including：
Step 303-1：MS in the MS lists is based on MS lists, and into the MS lists, other MS send file forwarding
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；
Step 303-3：Data merged block in the identified files of same File_id is updated itself and corresponded to by 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 files forwarding success response of file forwarding request message
Breath enters step and executes 303-5；
Step 303-4：MS forwards the corresponding MS feedback files retransmission failure response message of request message to file；
Step 303-5：After completing data block synchronization and backup, every MS in the MS lists is newer media number
IP address, port numbers, the File_id etc. of MS is deposited where describing file comprising media data according to description document creation URI, the URI
Information is stored up, and is pushed to IM Sender；
Step 303-6：After IM Sender receive the URI of MS transmissions, to MS received back confirmation messages.
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.
Step 304：The URI of every MS push in the MS lists is sent to IM by IM Sender by SS
Receiver。
Here, in one embodiment, step 304 have including：
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；
Step 304-3：After IM Receiver receive media data request message, if IM Receiver selections receive
The media data request message and downloads of media data, then receive response message to IM Sender loopback media datas, otherwise,
Loopback media data refusal respond message.
Step 305：IM Receiver are by multiple URI for receiving from multiple MS downloads of media data.
Here, in one embodiment, step 305 have including：
Step 305-1：IM Receiver formulate 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 terminal with most fast downloading rate；
Step 305-2：IM Receiver are by multiple download address URI of the media data of acquisition, according to media data
Download policy sends media data downloading request message to specified MS, 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 to download certain number from specified MS
According to block.
Here, in practical applications, the IM Receiver also know 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 obtained data block after media data dividing processing, such as size of data can be known, in this way, being convenient for
The IM Receiver determine media data based on the data characteristics of each data block and media data downloading rate etc.
Download policy, for example, determining to download the data download policy of a certain specific data block from a certain specified MS.
Step 305-3：After MS receives media data downloading request message, whether detection URI is legal, if it is, under
The data block specified by media data downloading request message is carried, and success response is downloaded to IM Receiver feedback media datas
Otherwise message feeds back media data failed download response message；
Step 305-4：After IM Receiver receive media data download success response message, according to data block
Media_id recombinates media data, and checks its integrality；
Step 305-5：When IM Receiver detect that the data block of some Media_id is not downloaded, then according to media
Data download policy sends the downloading request message for the data block for downloading 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, the 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 immediate news systems can be utilized to realize that media data is more
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 instant message time delay caused by exempting from 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 data between media server synchronizes behaviour
Make, so, the present embodiment also achieves the backup of the media data in media server so that client can be 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 forwarded by signal server for example, receiving terminal is offline, at this point, should
URI information will be used as information off-line to handle, when receiving terminal is reached the standard grade again, message of the signal server by receiving terminal during offline
Information is sent to receiving terminal, and receiving terminal goes 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 the URI information of return is sent in signal server, is forwarded to by signal server
Receiving terminal, further, receiving terminal 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 that the state of other side, simultaneous session both sides need not 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, in group chat realization, the corresponding client of the method for the embodiment of the present invention is actively gone according to URI information
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 division of logic function, formula that in actual implementation, there may be another division manner, such as：Multiple units or component 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
It can be the INDIRECT COUPLING by some interfaces, equipment or unit to divide mutual coupling or direct-coupling or communication connection
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be and be physically separated, aobvious as unit
The component shown can be or may not be physical unit, you can be located at a place, may be distributed over multiple network lists
In member；Some or all of wherein unit can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
It, can also be during two or more units be integrated in one unit to be each unit individually as a unit；It is above-mentioned
The form that hardware had both may be used in integrated unit is realized, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realize that all or part of step 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 read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes：It is movable storage device, read-only
Memory (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), magnetic disc 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
Sale in use, can also be stored in a computer read/write memory medium.Based on this understanding, the present invention is implemented
Substantially the part that contributes to existing technology can be expressed 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：Movable storage device, ROM, RAM, magnetic disc or CD etc. are various can to 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 (12)
1. a kind of media data Multipath Transmission method, which is characterized in that the method includes：
Get the inquiry request message for the description information for carrying media data；The inquiry request message can for inquiring
Multiple servers for sending the media data；
At least based on the 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
The data block of media data controls each destination server and generates the resource identifier that can get data block, sends each mesh
The resource identifier that mark server is generated.
2. according to the method described in claim 1, it is characterized in that, the method further 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 the description information entrained by the inquiry request message, it is selected from multiple servers
At least two destination servers, including：
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. according to the method described in claim 1, it is characterized in that, the method further 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, including：
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 control at least two targets clothes
Business device carries out data block synchronization process, so that each destination server is stored with all data blocks of the media data, including：
Each destination server is controlled to other destination server transmission data block synchronizing informations, the data block synchronizes letter
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.
5. method according to any one of claims 1 to 3, which is characterized in that the method further includes：
Get the data sending request message that request sends the media data；The data sending request message at least carries
Have receiving device user information and the media data in each data block at least two destination service
The corresponding resource identifier of device；
Accordingly, the resource identifier for sending each destination server and being generated, including：
The user information that request message is characterized is sent based on the data, at least by each data 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 terminal is set
It is standby to go to obtain the corresponding data block of the media data by different destination servers using resource identifier.
6. according to the method described in claim 5, it is characterized in that, the method further includes：
Determine the transmission feature in the path formed between each destination server and the receiving device；
Based on transmission feature, the path formed between the destination server and the receiving device carries out priority row
Sequence, obtain priority ranking as a result, send priority ranking as a result, in order to receiving device can utilize resource identifier and
The priority ranking result goes to obtain the corresponding data block of the media data.
7. a kind of media data Multipath Transmission system, which is characterized in that the system comprises：
Acquiring unit, the inquiry request message for getting the description information for carrying 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 the description information entrained by the inquiry request message, being chosen from multiple servers
Go out at least two destination servers, 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, so that each target takes for controlling at least two destination server
Business device is stored with the data block of the media data, controls each destination server and generates the resource identification that can get data block
Symbol, sends the resource identifier that each destination server is generated.
8. system according to claim 7, which is characterized in that the acquiring unit is additionally operable 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 additionally operable to obtain
Take the network location information of sending ending equipment；
It is special to be additionally operable to network location information, each server first based on the sending ending equipment for the processing unit
Reference ceases the 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.
9. system according to claim 7, which is characterized in that the acquiring unit is additionally operable 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 is additionally operable to the load characteristic characterized based on second feature information and storage capacity, determines 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.
10. system according to any one of claims 7 to 9, which is characterized in that it is every to be additionally operable to control for described control unit
To other destination server transmission data block synchronizing informations, the data block synchronizing information carries to be worked as one destination server
The data block identifier for the data block that preceding destination server is stored；It controls each destination server and is based on data block synchronization letter
The characterized data block identifier of breath, goes to obtain and different from itself corresponding data block identifier belongs to institute to other destination servers
Other data blocks of media data are stated, so that each destination server is stored with all data blocks of the media data.
11. system according to any one of claims 7 to 9, which is characterized in that the acquiring unit is additionally operable to get
Request sends the data sending request message of the media data；The data sending request message at least carries receiving terminal and sets
Each data block is in the corresponding money of at least two destination server in standby user information and the media data
Source identifier；
Described control unit is additionally operable 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 utilize resource identifier to go by different destination servers to obtain the media number
According to corresponding data block.
12. system according to claim 10, which is characterized in that the processing unit is additionally operable to determine each mesh
The transmission feature in the path formed between mark server and the receiving device is based on transmission feature, to the destination service
The path formed between device and the receiving device carries out priority ranking, obtains priority ranking result；
Accordingly, described control unit is additionally operable 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.
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