CN110289974A - A kind of processing method of data flow, system and device and storage medium - Google Patents
A kind of processing method of data flow, system and device and storage medium Download PDFInfo
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- CN110289974A CN110289974A CN201910435836.7A CN201910435836A CN110289974A CN 110289974 A CN110289974 A CN 110289974A CN 201910435836 A CN201910435836 A CN 201910435836A CN 110289974 A CN110289974 A CN 110289974A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/185—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with management of multicast group membership
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5069—Address allocation for group communication, multicast communication or broadcast communication
Abstract
The embodiment of the invention provides a kind of processing method of data flow, system and a kind of device and a kind of computer readable storage mediums, wherein the described method includes: node server receives the multiple data packet request information for carrying out self terminal；Node server is used for transmission multiple sub- equipment that target data is flow in terminal according to one common multicast address of multiple sub- equipment distribution that multiple data packet request information are in terminal, multicast address；Node server obtains target data stream all the way from data-source device according to multiple data packet request information, and according to multiple data packet request information transmission of one line target data streams and multicast address to terminal, terminal is used to search at least one sub- equipment corresponding with multicast address in the corresponding relationship pre-established, and target data stream is sent to the sub- equipment of at least one found.The embodiment of the present invention alleviates the operating pressure of node server distribution multicast address, saves the network bandwidth between node server and terminal.
Description
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of processing method of data flow, system and a kind of dress
It sets and a kind of computer readable storage medium.
Background technique
It is a kind of dedicated network for being used for high-speed transfer HD video and specialized protocol based on ethernet hardware depending on networking,
It is the more advanced form of Ethernet depending on networking, is a real-time network.
Multiple sub- equipment can be configured with depending on the terminal in networking, sub- equipment is the minimum logic list for executing view networking service
, the sub- equipment in terminal can be specially software module.Sub- equipment is serviced to when regarding the server request data stream in networking
Device needs to distribute multicast address for sub- equipment, which is used for transmission the data from data source and flow to sub- equipment.When same
When server of multiple sub- equipment into view networking in one terminal requests identical data flow, server needs respectively every
A sub- equipment distributes multiple multicast address, and is every sub- equal transmission of one line data flow of equipment, the sub- equipment of request data stream
It is more, the data flow of server transport is also more, causes the waste of the network bandwidth between server and terminal.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
Processing method, system and a kind of device of a kind of data flow to solve the above problems and a kind of computer readable storage medium.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of processing method of data flow, the method applications
It networks in view, includes data-source device, node server and terminal in the view networking, the terminal includes multiple sub- equipment,
The node server is communicated to connect with the data-source device and the terminal respectively；The described method includes: the node clothes
Business device receives multiple data packet request information from the terminal, and the data packet request information includes the mark of target data stream
Know information, the identification information of the terminal and the identification information of the sub- equipment；The node server is according to multiple numbers
According to one common multicast address of multiple sub- equipment distribution that packet solicited message is in the terminal, the multicast address is used
Multiple sub- equipment in the terminal are flow in transmitting the target data；The node server is according to multiple numbers
The target data stream all the way is obtained from the data-source device according to packet solicited message, and is believed according to multiple data packet requests
Target data stream described in transmission of one line and the multicast address are ceased to the terminal, and the terminal is used in the correspondence pre-established
At least one described sub- equipment corresponding with the multicast address is searched in relationship, and the target data stream is sent to lookup
At least one arrived sub- equipment.
Optionally, the step of the node server receives multiple data packet request information from the terminal it
Afterwards, the method also includes: the node server is according to the terminal carried in multiple data packet request information
The identification information judgment of identification information and the target data stream whether be the terminal multiple sub- equipment distribution
Multicast address；If the node server does not distribute multicast address for multiple sub- equipment of the terminal, execute as institute
State the operation that multiple sub- equipment in terminal distribute a common multicast address；If the node server is institute
The multiple sub- equipment distribution multicast address for stating terminal then select as multiple sub- equipment distribution of the terminal
Multicast address.
Optionally, the node server according to multiple data packet request information transmit the target data stream and
After the step of multicast address to terminal, the terminal is also used to be set according to the multicast address and multiple sons
Standby identification information establishes the corresponding relationship.
Optionally, the terminal is used for the mark according to the sub- equipment carried in multiple data packet request information
Information searches at least one described sub- equipment corresponding with the multicast address from the corresponding relationship.
Optionally, the terminal is also used to obtain the service condition of multiple sub- equipment, is tieed up according to the service condition
Protect the corresponding relationship.
The embodiment of the invention also discloses a kind of processing system of data flow, the system is applied to view networking, the view
It include data-source device, node server and terminal in networking, the terminal includes multiple sub- equipment, the node server point
It is not communicated to connect with the data-source device and the terminal；The node server includes: receiving module, is come from for receiving
Multiple data packet request information of the terminal, the data packet request information include the identification information, described of target data stream
The identification information of the identification information of terminal and the sub- equipment；Distribution module, for according to multiple data packet request information
A common multicast address is distributed for multiple sub- equipment in the terminal, the multicast address is used for transmission the mesh
Mark data flow to multiple sub- equipment in the terminal；Transmission module, for according to multiple data packet request information
The target data stream all the way is obtained from the data-source device, and according to multiple data packet request information transmission of one line institutes
Target data stream and the multicast address are stated to the terminal, the terminal be used to search in the corresponding relationship pre-established with
At least one corresponding described sub- equipment of the multicast address, and the target data stream is sent at least one found
The sub- equipment.
Optionally, the node server further include: judgment module comes from the end for receiving in the receiving module
After multiple data packet request information at end, believed according to the mark of the terminal carried in multiple data packet request information
The identification information judgment of breath and the target data stream whether be multiple sub- equipment of the terminal with distributing multicasts
Location；The distribution module, for being described in the case where not distributing multicast address for multiple sub- equipment of the terminal
Multiple sub- equipment in terminal distribute a common multicast address；Selecting module, for the distribution module
In the case where multiple sub- equipment distribution multicast address for the terminal, multiple sons for the terminal are selected
The multicast address of equipment distribution.
Optionally, the terminal is also used in the transmission module according to multiple data packet request information transmission
After target data stream and the multicast address to the terminal, according to the mark of the multicast address and multiple sub- equipment
Information establishes the corresponding relationship；The terminal is used for according to the sub- equipment carried in multiple data packet request information
Identification information, corresponding with the multicast address at least one described sub- equipment is searched from the corresponding relationship；The end
End is also used to obtain the service condition of multiple sub- equipment, safeguards the corresponding relationship according to the service condition.
The embodiment of the invention also discloses a kind of devices, comprising:
One or more processors；With
One or more machine readable medias of instruction are stored thereon with, are executed when by one or more of processors
When, so that described device executes the processing method of one or more data flows as described in the embodiments of the present invention.
The embodiment of the invention also discloses the computer programs of a kind of computer readable storage medium, storage to handle
Device executes the processing method of data flow as described in the embodiments of the present invention.
The embodiment of the present invention includes following advantages:
The embodiment of the present invention is applied to view networking, view network in may include data-source device, node server and terminal,
Wherein, terminal may include multiple sub- equipment, and node server can be communicated to connect with data-source device and terminal respectively.Data
The available data flow of source device, and transmitting data stream, to node server, node server can be according to the request of sub- equipment
Information transmits corresponding data and flow to sub- equipment.
In the embodiment of the present invention, multiple sub- equipment in terminal send data packet request information to node server, and
Each data packet request information requests identical target data stream.It may include target data in each data packet request information
The identification information of the identification information of stream, the identification information of terminal and sub- equipment.Node server can be according to the data received
Packet solicited message is that the sub- equipment in terminal distributes a common multicast address, which is used for transmission target data
The sub- equipment flowing in terminal.Node server obtains all the way from data-source device according to the data packet request information received
Target data stream, and according to data packet request information transmission of one line target data stream and multicast address to terminal.Terminal can be
At least one sub- equipment corresponding with multicast address is found in the corresponding relationship pre-established, and target data stream is sent to
The sub- equipment of at least one found.
Technical solution in through the embodiment of the present invention, when the identical target of multiple sub- device requests in the same terminal
When data flow, node server is that multiple sub- equipment in the terminal distribute a common multicast address, and transmission of one line mesh
Mark data flow to terminal.Terminal can find corresponding sub- equipment according to multicast address, the target data all the way that will be received
Flow point is dealt into each sub- equipment.In the embodiment of the present invention, when the identical target data of multiple sub- device requests in the same terminal
When stream, on the one hand, node server is not necessarily to distribute multiple multicast address respectively for every sub- equipment, alleviates node server point
Operating pressure with multicast address；On the other hand, node server does not need the identical target data of transmission multichannel yet and flow to end
End, saves the network bandwidth between node server and terminal.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention；
Fig. 2 is a kind of hardware structural diagram of node server of the invention；
Fig. 3 is a kind of hardware structural diagram of access switch of the invention；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway；
Fig. 5 is a kind of step flow chart of the processing method embodiment of data flow of the embodiment of the present invention；
Fig. 6 is setting between autonomous server and terminal in a kind of live streaming method for watching depending on networking of the embodiment of the present invention
Count schematic diagram；
Fig. 7 is the design schematic diagram of terminal inner in a kind of live streaming method for watching of view networking of the embodiment of the present invention；
Fig. 8 is a kind of structural block diagram of the processing system interior joint server of data flow of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
First video flow.It is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
(Circuit Switching) meets Streaming demand using Packet Switching depending on networking technology.Depending on skill of networking
Art has flexible, the simple and low price of packet switch, is provided simultaneously with the quality and safety assurance of circuit switching, realizes the whole network friendship
Change the seamless connection of formula virtual circuit and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat
Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).Metropolitan Area Network (MAN) can be divided on the whole depending on networking
(or national net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether
Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204；
Wherein, the Bao Jun that Network Interface Module 201, CPU module 203, disk array module 204 are come in enters switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine module, are forwarded: 1) end if meeting the following conditions
It is less than that mouth sends caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, packet
Include the operation such as initialization, read-write to hard disk；CPU module 203 be mainly responsible for access switch, terminal (not shown) it
Between protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 304 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, may include two kinds of situations:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 308 is configured by CPU module 304, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
| DA | SA | Reserved | Payload | CRC |
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just
There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
With reference to Fig. 5, a kind of step flow chart of the processing method embodiment of data flow of the embodiment of the present invention, institute are shown
The method of stating can be applied to view networking, depending on may include data-source device, node server and terminal in networking, wherein terminal
It may include multiple sub- equipment, node server can be communicated to connect with data-source device and terminal respectively.This method specifically may be used
To include the following steps:
Step 501, node server receives the multiple data packet request information for carrying out self terminal.
In the embodiment of the present invention, multiple sub- equipment in the same terminal can generate a data packet request information respectively,
Data packet request information is used to obtain the target data stream of data-source device.Specifically, data packet request information may include mesh
Mark the identification information, the sub- equipment place identification information of terminal and the identification information of sub- equipment of data flow.For example, in terminal A
Sub- equipment a01, a02 generates a data packet request information, and the data packet request information q01 that sub- equipment a01 is generated includes target
The identification information of the identification information of data flow d01, the identification information of terminal A and sub- equipment a01.The data that sub- equipment a02 is generated
Packet solicited message q02 includes the mark letter of the identification information of target data stream d01, the identification information of terminal A and sub- equipment a02
Breath.
Step 502, node server distributes one according to multiple data packet request information for multiple sub- equipment in terminal
Common multicast address.
After node server receives multiple data packet request information, can respectively to multiple data packet request information into
Row parsing, obtains the identification information of the target data stream in each data packet request information and the identification information of terminal.If each
The identification information of target data stream in data packet request information is identical, then it represents that each data packet request information instruction obtains identical
Target data stream.If the identification information of the terminal in each data packet request information is identical, then it represents that each data packet request letter
Multiple sub- equipment of the breath instruction from the same terminal obtain target data stream.
It, can also be according in multiple data packet request information after node server receives multiple data packet request information
Terminal identification information and sub- equipment identification information, be each generate and send data packet request information sub- equipment distribution
One common multicast address.For example, node server J is sub- equipment a01 and a02 one common group of distribution in terminal A
Broadcast address z01.Multicast address is used for transmission the sub- equipment that target data is flow in terminal.
In one preferred embodiment of the invention, node server is receiving the multiple data packet requests letter for carrying out self terminal
It, can be according to the identification information of the terminal carried in data packet request information and the identification information judgment of target data stream after breath
Whether be the terminal multiple sub- equipment distribution multicast address.Specifically, node server is receiving one or more
After data packet request information, it can be parsed from the data packet request information received and obtain the identification information and target of terminal
The identification information of data flow.Node server is searched whether in pre-recorded multicast address queue to exist and be obtained with parsing
The identification information of terminal and the corresponding multicast address of the identification information of target data stream.For example, node server J receives data
After packet solicited message x01, it can be parsed from data packet request information x01 and obtain the identification information and target data of terminal A
Flow the identification information of d01.Node server J searched whether in pre-recorded multicast address queue exist from terminal A,
And the multicast address of the sub- equipment of request target data stream d01.If in multicast address queue there is no from terminal A,
And the multicast address of the sub- equipment of request target data stream d01, then node server J is to send data packet request information
The sub- equipment of x01 distributes multicast address, and by the multicast address record of distribution into multicast address queue.If multicast address queue
Middle exist from terminal A and the multicast address of the sub- equipment of request target data stream d01, then node server J is from group
Broadcasting selection in address queue will select from terminal A and the multicast address of the sub- equipment of request target data stream d01
Multicast address as send data packet request information x01 sub- equipment distribute multicast address.
Step 503, node server obtains target data all the way from data-source device according to multiple data packet request information
Stream, and according to multiple data packet request information transmission of one line target data streams and multicast address to terminal, so that terminal is by target
Data flow is distributed to sub- equipment.
It, can also be according to multiple after node server receives multiple data packet request information in the embodiment of the present invention
The identification information of target data stream in data packet request information determines corresponding data-source device, and then from corresponding data source
Equipment obtains target data stream, and target data stream and multicast address are then transmitted to terminal.Specifically, node server can be with
According to the determining identification information pair with target data stream of the list of the identification information of target data stream and preset data-source device
The data-source device answered.Node server can be determining according to the identification information of terminal and the list of preset terminal and terminal
The corresponding terminal of identification information.
It should be noted that no matter one in terminal or multiple sub- device requests obtain target data stream, node clothes
It is engaged in device only transmission of one line target data stream when to terminal transmission target data stream.
Target data stream can be distributed to sub- equipment after receiving target data stream and multicast address by terminal, tool
Body distribution target data flow to which sub- equipment or which sub- equipment, terminal need to search in the corresponding relationship pre-established with
The corresponding sub- equipment of one or more of multicast address, and then target data stream is distributed to the one or more sons found and is set
It is standby.
After node server transmission objectives data flow and multicast address to terminal, terminal can according to multicast address and
The identification information of sub- equipment establishes corresponding relationship.For example, the sub- equipment a01 and a02 of terminal A sends data packet to node server
Solicited message, node server are that sub- equipment a01 and a02 distributes common multicast address z01.Terminal A establishes multicast address z01
With the corresponding relationship between sub- equipment a01 and a02.Specifically, terminal A can reward multicast address z01 and sub- equipment a01 and
Corresponding relationship between the identification information of a02.If the sub- equipment a03 of terminal A does not send data packet request letter to node server
Breath, alternatively, the sub- equipment a03 of terminal A has sent data packet request information to node server, but node server is sub- equipment
The multicast address z02 and multicast address z01 of a03 distribution be not identical, and multicast address is not included in the corresponding relationship that terminal A is established
Corresponding relationship between z01 and sub- equipment a03, terminal A establish corresponding relationship in may include multicast address z02 and sub- equipment
Corresponding relationship between a03.
Example is connected, if terminal A receives target data stream d01 and multicast address z01, terminal A is looked into corresponding relationship
Finding sub- equipment corresponding with multicast address z01 is sub- equipment a01 and a02, i.e. terminal A finds sub- equipment in corresponding relationship
The identification information of a01 and a02 is corresponding with multicast address z01.And then target data stream d01 is distributed to son inside terminal A
Equipment a01 and d02.Since sub- equipment a03 and multicast address z01 be not corresponding, alternatively, the multicast address of sub- equipment a03 is not group
Address z01 is broadcast, then terminal A does not need for target data stream d01 to be distributed to sub- equipment a03.
In one preferred embodiment of the invention, terminal can also obtain the service condition of each sub- equipment, and according to industry
Business state safeguards established corresponding relationship.For example, the service condition that terminal A gets sub- equipment a02 is suspend mode shape
State, then can be in the corresponding relationship between the identification information and multicast address z01 for deleting sub- equipment a02 in corresponding relationship.Moreover,
Terminal A can also add new corresponding relationship into established corresponding relationship, alternatively, repairing to already present corresponding relationship
Change, the embodiment of the present invention is not particularly limited the mode of operation etc. of terminal maintenance corresponding relationship.
Based on a kind of related description of the above-mentioned processing method embodiment about data flow, a kind of view networking is described below
Method for watching is broadcast live, which is related to data-source device, autonomous server and terminal, wherein data-source device
Live signal, i.e. audio and video data streams can be acquired, autonomous server can connect data-source device and terminal, and terminal can wrap
Multiple sub- equipment are included, each sub- equipment can send live streaming to autonomous server and watch request.As shown in fig. 6, the son of terminal A is set
Standby a01 and a02 sends live streaming to autonomous server and watches request, moreover, the live streaming that sub- equipment a01 and a02 is sent is watched and asked
Instruction is asked to watch the audio and video data streams of data-source device y01.Autonomous server receives after live streaming watches request, first looks into
Multicast address corresponding with data-source device y01 is found, is then judged whether it is in terminal A in the multicast address found
Sub- equipment distribution multicast address.If the multicast address found is the multicast address for the sub- equipment distribution in terminal A,
The multicast address found is sent to terminal A.If the multicast address found is not the group for the sub- equipment distribution in terminal A
Address is broadcast, then autonomous server is that sub- equipment a01 and a02 distributes a common multicast address, and by the multicast address of distribution
It is sent to terminal A.Moreover, autonomous server can also by the audio and video data streams obtained from data-source device y01 and multicast
Location is sent to terminal A together.
As shown in fig. 7, can be set in multicast address and son after terminal A receives audio and video data streams and multicast address
Sub- equipment corresponding with the multicast address received, and then the audio, video data that will be received are searched in corresponding relationship between standby
Flow point is sent to the sub- equipment found.
The embodiment of the present invention is applied to view networking, view network in may include data-source device, node server and terminal,
Wherein, terminal may include multiple sub- equipment, and node server can be communicated to connect with data-source device and terminal respectively.Data
The available data flow of source device, and transmitting data stream, to node server, node server can be according to the request of sub- equipment
Information transmits corresponding data and flow to sub- equipment.
In the embodiment of the present invention, multiple sub- equipment in terminal send data packet request information to node server, and
Each data packet request information requests identical target data stream.It may include target data in each data packet request information
The identification information of the identification information of stream, the identification information of terminal and sub- equipment.Node server can be according to the data received
Packet solicited message is that the sub- equipment in terminal distributes a common multicast address, which is used for transmission target data
The sub- equipment flowing in terminal.Node server obtains all the way from data-source device according to the data packet request information received
Target data stream, and according to data packet request information transmission of one line target data stream and multicast address to terminal.Terminal can be
At least one sub- equipment corresponding with multicast address is found in the corresponding relationship pre-established, and target data stream is sent to
The sub- equipment of at least one found.
Technical solution in through the embodiment of the present invention, when the identical target of multiple sub- device requests in the same terminal
When data flow, node server is that multiple sub- equipment in the terminal distribute a common multicast address, and transmission of one line mesh
Mark data flow to terminal.Terminal can find corresponding sub- equipment according to multicast address, the target data all the way that will be received
Flow point is dealt into each sub- equipment.In the embodiment of the present invention, when the identical target data of multiple sub- device requests in the same terminal
When stream, on the one hand, node server is not necessarily to distribute multiple multicast address respectively for every sub- equipment, alleviates node server point
Operating pressure with multicast address；On the other hand, node server does not need the identical target data of transmission multichannel yet and flow to end
End, saves the network bandwidth between node server and terminal.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
With reference to Fig. 8, the node server in a kind of processing system embodiment of data flow of the embodiment of the present invention is shown
Structural block diagram, the system is applied to view networking, including data-source device, node server and terminal in view networking,
The terminal includes multiple sub- equipment, and the node server is communicated to connect with the data-source device and the terminal respectively；
The node server may include following module:
Receiving module 801, for receiving multiple data packet request information from the terminal, the data packet request letter
Breath includes identification information, the identification information of the terminal and the identification information of the sub- equipment of target data stream；Distribution module
802, for being that multiple sub- equipment in the terminal distribute one jointly according to multiple data packet request information
Multicast address, the multicast address are used for transmission multiple sub- equipment that the target data is flow in the terminal；Transmission
Module 803, for obtaining the target data stream all the way from the data-source device according to multiple data packet request information,
And the target data stream according to multiple data packet request information transmission of one line and the multicast address are to the terminal, institute
Terminal is stated for searching at least one described sub- equipment corresponding with the multicast address in the corresponding relationship pre-established, and
The target data stream is sent to at least one found sub- equipment.
In one preferred embodiment of the invention, the node server further include: judgment module 804, in institute
After stating multiple data packet request information of the reception of receiving module 801 from the terminal, according to multiple data packet requests
Whether the identification information of the terminal carried in information and the identification information judgment of the target data stream have been the end
Multiple sub- equipment at end distribute multicast address；The distribution module 802, for being not multiple sons of the terminal
It is that multiple sub- equipment in the terminal distribute a common multicast address in the case that equipment distributes multicast address；
Selecting module 805, in multiple sub- equipment distribution multicast address that the distribution module 802 has been the terminal
In the case of, it selects as the multicast address of multiple sub- equipment distribution of the terminal.
In one preferred embodiment of the invention, the terminal is also used in the transmission module 803 according to multiple institutes
After stating the data packet request information transmission target data stream and the multicast address to the terminal, according to the multicast
The identification information of location and multiple sub- equipment establishes the corresponding relationship；The terminal according to multiple data packets for asking
The identification information for seeking the sub- equipment carried in information, from the corresponding relationship search it is corresponding with the multicast address to
Few sub- equipment；The terminal is also used to obtain the service condition of multiple sub- equipment, according to the service condition
Safeguard the corresponding relationship.
For the processing system embodiment of data flow, due to the basic phase of processing method embodiment of itself and data flow
Seemingly, so being described relatively simple, related place illustrates referring to the part of the processing method embodiment of data flow.
The embodiment of the invention also provides a kind of devices, comprising:
One or more processors；With
One or more machine readable medias of instruction are stored thereon with, are executed when by one or more of processors
When, so that described device executes the processing method of one or more data flows as described in the embodiments of the present invention.
The embodiment of the invention also provides the computer programs of a kind of computer readable storage medium, storage to handle
Device executes the processing method of data flow as described in the embodiments of the present invention.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of processing method of data flow provided by the present invention, system and a kind of device and a kind of computer
Readable storage medium storing program for executing is described in detail, and specific case used herein carries out the principle of the present invention and embodiment
It illustrates, the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile for this field
Those skilled in the art, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up
Described, the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of processing method of data flow, which is characterized in that the method is applied to view networking, includes number in the view networking
According to source device, node server and terminal, the terminal includes multiple sub- equipment, the node server respectively with the data
Source device and terminal communication connection；The described method includes:
The node server receives multiple data packet request information from the terminal, and the data packet request information includes
The identification information of the identification information of target data stream, the identification information of the terminal and the sub- equipment；
The node server is according to multiple sub- equipment distribution that multiple data packet request information are in the terminal
One common multicast address, the multicast address are used for transmission multiple sons that the target data is flow in the terminal
Equipment；
The node server obtains the target all the way from the data-source device according to multiple data packet request information
Data flow, and the target data stream according to multiple data packet request information transmission of one line and the multicast address are to described
Terminal, the terminal are used to search at least one described son corresponding with the multicast address in the corresponding relationship pre-established
Equipment, and the target data stream is sent to at least one found sub- equipment.
2. the processing method of data flow according to claim 1, which is characterized in that come from node server reception
After the step of multiple data packet request information of the terminal, the method also includes:
The node server is according to the identification information of the terminal carried in multiple data packet request information and described
The identification information judgment of target data stream whether be the terminal multiple sub- equipment distribution multicast address；
If the node server does not distribute multicast address for multiple sub- equipment of the terminal, executing is the terminal
In multiple sub- equipment distribute the operation of a common multicast address；
If the node server has been multiple sub- equipment distribution multicast address of the terminal, select as institute
State the multicast address of multiple sub- equipment distribution of terminal.
3. the processing method of data flow according to claim 1, which is characterized in that in the node server according to multiple
After the data packet request information transmits the step of target data stream and the multicast address to terminal, the end
End is also used to establish the corresponding relationship according to the identification information of the multicast address and multiple sub- equipment.
4. the processing method of data flow according to claim 1 or 3, which is characterized in that the terminal is used for according to multiple
The identification information of the sub- equipment carried in the data packet request information is searched and the multicast from the corresponding relationship
At least one corresponding described sub- equipment of address.
5. the processing method of data flow according to claim 4, which is characterized in that the terminal is also used to obtain multiple institutes
The service condition for stating sub- equipment safeguards the corresponding relationship according to the service condition.
6. a kind of processing system of data flow, which is characterized in that the system is applied to view networking, includes number in the view networking
According to source device, node server and terminal, the terminal includes multiple sub- equipment, the node server respectively with the data
Source device and terminal communication connection；The node server includes:
Receiving module, for receiving multiple data packet request information from the terminal, the data packet request information includes
The identification information of the identification information of target data stream, the identification information of the terminal and the sub- equipment；
Distribution module, for being multiple sub- equipment distribution one in the terminal according to multiple data packet request information
A common multicast address, the multicast address are used for transmission multiple sons that the target data is flow in the terminal and set
It is standby；
Transmission module, for obtaining the number of targets all the way from the data-source device according to multiple data packet request information
According to stream, and the target data stream according to multiple data packet request information transmission of one line and the multicast address are to the end
End, the terminal are used to search at least one described son corresponding with the multicast address in the corresponding relationship pre-established and set
It is standby, and the target data stream is sent to at least one found sub- equipment.
7. the processing system of data flow according to claim 6, which is characterized in that the node server further include:
Judgment module, for the receiving module receive multiple data packet request information from the terminal after, according to
The identification information of the terminal and the identification information of the target data stream carried in multiple data packet request information is sentenced
Whether disconnected be that multiple sub- equipment of the terminal distribute multicast address；
The distribution module, in the case where not distributing multicast address for multiple sub- equipment of the terminal, for institute
The multiple sub- equipment stated in terminal distribute a common multicast address；
Selecting module, for the feelings in multiple sub- equipment distribution multicast address that the distribution module has been the terminal
Under condition, select as the multicast address of multiple sub- equipment distribution of the terminal.
8. the processing system of data flow according to claim 6, which is characterized in that the terminal is also used in the transmission
After module transmits the target data stream and the multicast address to the terminal according to multiple data packet request information,
The corresponding relationship is established according to the identification information of the multicast address and multiple sub- equipment；
The terminal is used for according to the identification information of the sub- equipment carried in multiple data packet request information, from described
At least one described sub- equipment corresponding with the multicast address is searched in corresponding relationship；
The terminal is also used to obtain the service condition of multiple sub- equipment, according to the service condition maintenance corresponding pass
System.
9. a kind of device characterized by comprising
One or more processors；With
One or more machine readable medias of instruction are stored thereon with, when being executed by one or more of processors, are made
Obtain the processing method for one or more data flows that described device is executed as described in claim 1 to 5.
10. a kind of computer readable storage medium, which is characterized in that its computer program stored executes processor as weighed
Benefit requires the processing method of 1 to 5 described in any item data flows.
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| CN114390007A (en) * | 2021-12-23 | 2022-04-22 | 西安诺瓦星云科技股份有限公司 | Data processing method, device, storage medium and processor |
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