CN109586851A - Data transmission method and device based on view networking - Google Patents
Data transmission method and device based on view networking Download PDFInfo
- Publication number
- CN109586851A CN109586851A CN201811436582.2A CN201811436582A CN109586851A CN 109586851 A CN109586851 A CN 109586851A CN 201811436582 A CN201811436582 A CN 201811436582A CN 109586851 A CN109586851 A CN 109586851A
- Authority
- CN
- China
- Prior art keywords
- information
- view
- palindrome
- view networking
- message group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
-
- 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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
Abstract
The present invention relates to view networking technology field, in particular to a kind of data transmission method and device based on view networking.The data transmission method based on view networking, comprising: determine whether to receive the palindrome information that view networking gateway is sent, palindrome information is the feedback information returned depending on networking gateway based on the view networking protocol message group information received；When receiving the palindrome information that view networking gateway is sent, determine the corresponding networking protocol message group information that regards whether as complete information based on palindrome information；When regarding networking protocol message group information as complete information, new view networking protocol message group information is sent to depending on networking gateway；When regarding networking protocol message group information as incomplete information, missing message group information is sent to view networking gateway.The characteristic of present invention application view networking, the transmission of corresponding informance is carried out by the judging result of the integrality to the corresponding view networking protocol message group information of palindrome information, data transfer integrity is ensure that, avoids loss of data.
Description
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of data transmission method and one kind based on view networking
Data transmission device based on view networking.
Background technique
With the fast development of the network technology, network-based data transmission is also more widely available.
When carrying out data transmission, existing transmission mode is based on internet, using typical seven layer protocol of network
Carry out data transmission, but to form closed system due to failing, and transmission time is larger by network environment influence, so as to cause transmission
Information cannot protect, be easily stolen.
It comes into being depending on networking technology, with its safe and stable transmission characteristic, steps into people's lives.
It is not dedicated when carrying out non-multimedia data (video data, audio data) transmission but in view networking
Agreement and channel it cannot be guaranteed that the integrality of non-multimedia data transmission, causes the loss of partial data, and then influence view networking
The use of partial service.
Summary of the invention
In view of the above problems, the embodiment of the present invention is proposed, overcomes the above problem or at least partly in order to provide one kind
A kind of data transmission method based on view networking and a kind of corresponding data transmission based on view networking that ground solves the above problems
Device.
To solve the above-mentioned problems, described the embodiment of the invention discloses a kind of data transmission method based on view networking
Method is applied in view networking, and the view networking includes view networking gateway, which comprises
Determine whether to receive the palindrome information that the view networking gateway is sent, the palindrome information is view networking net
Close the feedback information returned based on the view networking protocol message group information received；
When receiving the palindrome information that view networking gateway is sent, corresponding view networking association is determined based on the palindrome information
Discuss whether message group information is complete information；
When it is described regard networking protocol message group information as complete information when, send new view connection depending on networking gateway to described
FidonetFido message group information；
When it is described regard networking protocol message group information as incomplete information when, to the view networking gateway send missing report
Literary group information.
In one possibly implementation, further includes:
When not receiving the palindrome information that view networking gateway is sent, it is determined whether sent newly to the view networking gateway
Depending on networking protocol message group information；
When determine not to it is described send new view networking protocol message group information depending on networking gateway when, execute determine whether to connect
Receive the processing for the palindrome information that view networking gateway is sent.
In one possibly implementation, it is described determine whether to receive palindrome information that view networking gateway is sent it
Before, further includes:
Foundation is connect with the data communication depending on networking gateway；
The foundation is connect with the data communication depending on networking gateway, comprising:
When supporting data interaction business, data exchange request is sent to the view networking gateway；
The data exchange response that the view networking gateway is sent is received, exchange response is networked with the view based on the data
Gateway establishes data communication connection.
The embodiment of the invention also discloses a kind of data transmission method based on view networking, the method is applied to view networking
In, the view networking includes view networked terminals, which comprises
Palindrome information is sent to the view networked terminals, the palindrome information is based on the view networked terminals received
The feedback information that the view networking protocol message group information of transmission returns；
When it is described receive the palindrome information depending on networked terminals when, receive the new view connection that the view networked terminals are sent
FidonetFido message group information or missing message group information；
Corresponding specific palindrome letter is generated based on the new view networking protocol message group information or missing message group information
Breath；
The processing that palindrome information is sent to view networked terminals is executed based on the specific palindrome information.
In one possibly implementation, before the networked terminals transmission palindrome information to view, further includes:
Foundation is connect with the data communication depending on networked terminals；
The foundation is connect with the data communication depending on networked terminals, comprising:
When the view networked terminals support data interaction business, receives the data exchange sent depending on networked terminals and ask
It asks；
Data exchange response is sent to the view networked terminals, so that described exchange sound depending on networked terminals based on the data
Data communication connection should be established.
The embodiment of the invention also discloses a kind of data transmission device based on view networking, described device is applied to view networking
In, comprising:
Determination unit is used to determine whether to receive the palindrome information that view networking gateway is sent, and the palindrome information is institute
State the feedback information returned depending on networking gateway based on the view networking protocol message group information received；
First processing units, for being based on the palindrome information when receiving the palindrome information that view networking gateway is sent
Determine the corresponding networking protocol message group information that regards whether as complete information；
Transmission unit, for when it is described regard networking protocol message group information as complete information when, to the view networking net
It closes and sends new view networking protocol message group information；For when the networking protocol message group information that regards is incomplete information
When, missing message group information is sent to the view networking gateway.
In one possibly implementation, the first processing units are sent for that ought not receive view networking gateway
The palindrome information when, it is determined whether new view networking protocol message group information is sent depending on networking gateway to described；
When determine not to it is described send new view networking protocol message group information depending on networking gateway when, execute it is described it is determining singly
Member determines whether to receive the processing for the palindrome information that view networking gateway is sent.
In one possibly implementation, further includes:
The second processing unit is connect for establishing with the data communication depending on networking gateway；
Described the second processing unit is specifically used for when supporting data interaction business, sends number to the view networking gateway
It is requested according to exchange；The data exchange response that the view networking gateway is sent is received, based on the data exchange response and the view
Networking gateway establishes data communication connection.
The embodiment of the invention also discloses a kind of data transmission device based on view networking, described device is applied to view networking
In, comprising:
Transmission unit, for sending palindrome information to view networked terminals, the palindrome information is based on described in receiving
The feedback information returned depending on the view networking protocol message group information that networked terminals are sent；
Receiving unit, for when it is described receive the palindrome information depending on networked terminals when, receive the view networked terminals
The new view networking protocol message group information or missing message group information sent；
First processing units, for being generated based on the new view networking protocol message group information or missing message group information
Corresponding specific palindrome information；
Processing of the transmission unit to view networked terminals transmission palindrome information is executed based on the specific palindrome information.
In one possibly implementation, further includes:
The second processing unit is connect for establishing with the data communication depending on networked terminals；
Described the second processing unit is specifically used for when the view networked terminals support data interaction business, described in reception
The data exchange request sent depending on networked terminals；Data exchange response is sent to the view networked terminals, so that the view is networked
Terminal exchanges response based on the data and establishes data communication connection.
The embodiment of the present invention includes following advantages:
The characteristic of application view networking of the embodiment of the present invention, passes through view corresponding to the palindrome information to view networking gateway transmission
The integrality of networking protocol message group information judges, and the transmission of corresponding informance is carried out based on judging result, ensure that data pass
Defeated integrality, avoids loss of data.
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 data transmission method embodiment based on view networking of the invention；
Fig. 6 is a kind of structural block diagram of data transmission device embodiment based on view networking of the invention；
Fig. 7 is the structural block diagram of another data transmission device embodiment based on view networking of the 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
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road 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 view connection
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (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 view connection
Net 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, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter 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 mould, are forwarded: 1) port if meeting the following conditions
It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including
The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown)
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 204 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, are divided to two kinds of situations in embodiments of the present invention:
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 208 is configured by CPU module 204, 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.
Based on the above-mentioned characteristic of view networking, one of the core concepts of the embodiments of the present invention is proposed, it then follows regard the association of networking
View is connect with the data communication constructed depending on networking gateway by view networked terminals, the view between the two is determined based on palindrome information
The integrality of networking protocol message group information transmission.
Referring to Fig. 5, a kind of step flow chart of data transmission method embodiment based on view networking of the invention is shown,
This method can be applied in view networking, can specifically include following steps:
Step 501, it is determined whether receive the palindrome information that view networking gateway is sent；
Wherein, which is the feedback returned depending on networking gateway based on the view networking protocol message group information received
Information.
In the concrete realization, this, which regards networked terminals, to be set-top box (SetTopBox, STB), commonly referred to as set-top box or
Box on machine is the equipment of connection a television set and outside source, and the digital signal of compression can be changed into television content by it,
And it shows on a television set.
In general, set-top box can connect camera and microphone, it is more for acquiring video data and audio data etc.
Media data also can connect television set, for multi-medium datas such as playing video data and audio datas.
Further include before determining whether to receive the palindrome information that view networking gateway is sent for the embodiment of the present invention
It establishes view networked terminals and regards the data communication connection procedure between networking gateway, which includes such as
Lower processing:
Step S1, when supporting data interaction business, data exchange request is sent to view networking gateway；
For the embodiment of the present invention, above-mentioned processing is specifically included:
Step S11, view networking gateway sends data exchange service request to view networked terminals；
Specifically, depending on networking gateway by sending a request message to view networked terminals, to confirm the view networked terminals
Whether data exchange service function is supported.
Step S12, judge whether to support the data exchange service depending on networked terminals.
In this step, when supporting the data exchange service depending on networked terminals, pass directly to step S13, otherwise pass through to
A business command for stopping is sent depending on networking gateway to terminate the business.
Step S13, view networked terminals send data exchange request to view networking gateway.
Step S14, the data exchange request sent depending on networked terminals is judged depending on networking gateway, is confirmed whether
Support the data exchange request.
In this step, when regarding networking gateway support data exchange, step S2 is passed directly to, otherwise by whole to view networking
End sends a business command for stopping to terminate the business.
Step S2, view networked terminals receive view networking gateway send data exchange response, based on data exchange response with
Data communication connection is established depending on networking gateway.
In view networking, depending on networked terminals when carrying out message interaction with view networking gateway, it can be generated by agreement
Service interaction message carries out the interaction of message, and the specification of the service interaction message can be as shown in the table:
In embodiments of the present invention, when receiving the palindrome information that view networking gateway is sent, step 502 is gone to；Otherwise
Go to step 504.
Step 502, for the palindrome information received, determine that corresponding view networking protocol message group is believed based on palindrome information
Whether breath is complete information；
In view networking, palindrome information, the format of the palindrome information of the generation can be generated by agreement depending on networking gateway
It can be as shown in the table:
In this practical application, networking is regarded as the network with centralized control functions, including main control server and undernet
Equipment, which includes terminal, and one of the core idea depending on networking is, by notifying to exchange by main control server
Equipment is directed to when time downstream communications link of service matches table, and the table for being then based on the configuration carries out the transmission of data packet.
That is, including: depending on the communication means in networking
Main control server configuration is when time downstream communications link of service；
Work as time data packet of service for what source terminal was sent, is sent to target terminal according to the downstream communications link.
In embodiments of the present invention, it includes: notice when the downlink of secondary service is logical that time downstream communications link of service is worked as in configuration
Believe that switching equipment involved in link matches table；
It furthermore, include: the configured table of inquiry according to downstream communications link transmission, switching equipment is received to institute
Data packet is transmitted by corresponding port.
In the concrete realization, service includes unicast communication service and Multicast Communication Service.I.e. either cast communication is still
Unicast communication can realize the communication in view networking using the above-mentioned core idea with table-table.
As previously mentioned, view networking net includes access mesh portions, in access net, which is node server,
Undernet equipment includes access switch and terminal.
For the unicast communication service in access net, the main control server configuration is when time downlink communication chain of service
The step of road, may comprise steps of:
Sub-step S11, the service request protocol package that main control server is initiated according to source terminal are obtained when time downlink of service
Communication link information, downstream communications link information include participating in when time downlink of the main control server of service and access switch
Communication port information；
Sub-step S12, downstream communication ports information of the main control server according to control server, data packet inside it
The downlink port that setting is oriented to when time data packet of service in the table of location；And believe according to the downstream communication ports of access switch
Breath, to corresponding access switch sending port configuration order；
Sub-step S13, access switch according in port configuration command data packet addressed table inside it, setting when time
The downlink port that the data packet of service is oriented to.
For the Multicast Communication Service in access net, main control server obtains the downstream communications link letter when time service
The step of breath may include following sub-step:
Sub-step S21, main control server obtain the service request agreement for the application Multicast Communication Service that target terminal is initiated
It wraps, includes the access net address of service type information, service content information and target terminal in service request protocol package；Wherein,
It include service number in service content information；
Sub-step S22, main control server according to the service number in preset content-address mapping table, extraction source
The access net address of terminal；
Sub-step S23, main control server obtains the corresponding multicast address of source terminal, and distributes to target terminal；And according to
According to the access net address of service type information, source terminal and target terminal, the communication link information when time multicast services is obtained.
In this step, when determining that this regards networking protocol message group information as complete information, step 503 is gone to；Otherwise turn
To step 505.
Step 503, new view networking protocol message group information is sent to depending on networking gateway；
In this step, when determining that previous depending on networking protocol message group information is complete information based on palindrome information
When, it is believed that this time has been sent completely depending on networking protocol message group information, then will do it new view networking protocol message group letter
The transmission of breath.
In one possibly implementation, the previous view networking protocol message group information is being determined depending on networked terminals
When being complete information, this time can also be judged depending on networking protocol message group information transmission process, it is determined whether
Through being sent completely, when judging, can equally be judged accordingly based on aforementioned palindrome information, it is, of course, also possible to logical
Other judgment modes are crossed, herein and are not specifically limited.In addition, other than above-mentioned judgment mode, those skilled in the art
Can also be according to actual needs using other judgment modes, the embodiment of the present invention is also without restriction to this.
In one possibly implementation, sent depending on networked terminals in the view networking protocol message group information for determining this time
After the completion, acceptable more step deterministic processes, that is, judge whether to need to send there are also data, and when there is data to need to send,
Based on the corresponding new view networking protocol message group information of data building that the needs are sent, to carry out at corresponding transmission
If reason can be by sending a business command for stopping to view networking gateway depending on networked terminals need to send without data
To terminate the business.
In view networking, view networking protocol message group information, view networking association can be generated by agreement depending on networked terminals
The format for discussing message group information can be as shown in the table:
| Field number | Length | Explanation |
| 0 | 1W | Service sign on |
| 1 | 1W | Device type |
| 2 | 1W | Operation code (type of service) |
| 3 | 1W | Depending on source device number of networking |
| 4-6 | 3W | Depending on networking source device view networking Mac |
| 7 | 1W | Depending on purpose equipment number of networking |
| 8-10 | 3W | Depending on networking purpose equipment view networking Mac |
| 11 | 1W | Current packet serial number |
| 12 | 1W | Total packet number |
| 13-14 | 2W | The effective length of total data |
| 15 | 1W | The valid data length of each packet transmission |
| 16-544 | 529W | Data |
| 545 | 1W | CRC check |
Step 504, it is determined whether send new view networking protocol message group information to depending on networking gateway；
In this step, depending on networked terminals when not receiving the palindrome information that view networking gateway is sent, it is thus necessary to determine that whether
New view networking protocol message group information is sent depending on networking gateway to this.When determining new view networking is not sent to depending on networking gateway
When protocol massages group information, executes abovementioned steps S501 and determine whether to receive the place for the palindrome information that view networking gateway is sent
Reason；Otherwise the processing of abovementioned steps S503 is executed.
Step 505, missing message group information is sent to view networking gateway；
In this step, when determine it is above-mentioned regard networking protocol message group information as incomplete information when, illustrate the view join
There are packet drops for fidonetFido message group information, then message group information can be lacked accordingly based on situation building, and will building
Missing message group information be sent to view networking gateway.
Step 506, it is generated corresponding specific time based on new view networking protocol message group information or missing message group information
Literary information.
In this step, depending on networking gateway in the new view networking association for receiving the transmission of 503 Union of Central Vision's network termination of abovementioned steps
After discussing message group information or the missing message group information of step 505 Union of Central Vision network termination transmission, it can analyze it, determine phase
The integrality answered, and when complete, generate corresponding confirmation palindrome information, wherein confirmation palindrome message identification view networking
Protocol massages group information finishes receiving；If when imperfect, generating corresponding missing palindrome information, including in the missing palindrome information
There is the serial number of not received message.
Step 507, palindrome information is sent to view networked terminals.
In this step, the specific palindrome letter can be sent to depending on networked terminals based on specific palindrome information depending on networking gateway
Breath, the subsequent processing for continuing to execute abovementioned steps 501.
Based on technical solution provided by the embodiments of the present invention, can apply in a specific embodiment, such as
In the E-Government application of government, needs to acquire the various information for the person of handling, verified, compared, business handling.These letters
It include the ID card information, finger print information and idiograph's information of the person of handling in breath.But these information are not belonging to view networking
Conversational traffic, if borrow existing way carry out data transmission, can have information can not correctly identify, after leading to loss of data
The generation for the problems such as can not detecting.After above-mentioned technical proposal provided by the embodiment of the present invention, it can effectively guarantee data
Integrality enables small data quantity business datum completely to transmit.
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.
Referring to Fig. 6, a kind of structural block diagram of data transmission device embodiment based on view networking of the invention is shown, it should
Device can be applied in view networking, and the view networking includes view networking gateway, can specifically include such as lower unit:
Determination unit 61, is used to determine whether to receive the palindrome information that view networking gateway is sent, and the palindrome information is
The feedback information returned depending on networking gateway based on the view networking protocol message group information received；
First processing units 62, for being believed based on the palindrome when receiving the palindrome information that view networking gateway is sent
Whether breath determines the corresponding networking protocol message group information that regards as complete information；
Transmission unit 63, for when it is described regard networking protocol message group information as complete information when, to the view networking
Gateway sends new view networking protocol message group information；For when the networking protocol message group information that regards is incomplete information
When, missing message group information is sent to the view networking gateway.
In a kind of possibly implementation of the invention, first processing units 62, for view networking net ought not received
When closing the palindrome information sent, it is determined whether send new view networking protocol message group information depending on networking gateway to described；
When determine not to it is described send new view networking protocol message group information depending on networking gateway when, execute it is described it is determining singly
Member 61 determines whether to receive the processing for the palindrome information that view networking gateway is sent.
In a kind of possibly implementation of the invention, the second processing unit 64, for establishing and view networking net
The data communication of pass connects；
Described the second processing unit 64 is specifically used for when supporting data interaction business, sends to the view networking gateway
Data exchange request；Receive it is described view networking gateway send data exchange response, based on the data exchange response with it is described
Data communication connection is established depending on networking gateway.
Referring to Fig. 7, a kind of structural block diagram of data transmission device embodiment based on view networking of the invention is shown, it should
Device can be applied in view networking, and the view networking includes view networked terminals, can specifically include such as lower unit:
Transmission unit 71, for sending palindrome information to view networked terminals, the palindrome information is based on the institute received
State the feedback information that the view networking protocol message group information that view networked terminals are sent returns；
Receiving unit 72, for when it is described receive the palindrome information depending on networked terminals when, receive view networking end
Hold the new view networking protocol message group information sent or missing message group information；
First processing units 73, for raw based on the new view networking protocol message group information or missing message group information
At corresponding specific palindrome information；
Processing of the transmission unit 71 to view networked terminals transmission palindrome information is executed based on the specific palindrome information.
In a kind of possibly implementation of the invention, the second processing unit 74, for establishing with view networking eventually
The data communication at end connects；
Described the second processing unit 74 is specifically used for receiving institute when the view networked terminals support data interaction business
State the data exchange request that view networked terminals are sent；Data exchange response is sent to the view networked terminals, so that the view joins
Network termination exchanges response based on the data and establishes data communication connection.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
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.
The electron focusing of the electron focusing method to a kind of camera provided by the present invention and a kind of camera fills above
It sets, is described in detail, used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention；Meanwhile for the general skill of this field
Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as limiting the invention.
Claims (10)
1. a kind of data transmission method based on view networking, which is characterized in that the method is applied in view networking, the view connection
Net includes view networking gateway, which comprises
Determine whether to receive the palindrome information that the view networking gateway is sent, the palindrome information is the view networking gateway base
In the feedback information that the view networking protocol message group information received returns；
When receiving the palindrome information that view networking gateway is sent, corresponding view networking protocol report is determined based on the palindrome information
Whether literary group information is complete information；
When it is described regard networking protocol message group information as complete information when, send new view networking association depending on networking gateway to described
Discuss message group information；
When it is described regard networking protocol message group information as incomplete information when, to the view networking gateway send missing message group
Information.
2. the method according to claim 1, wherein further include:
When not receiving the palindrome information that view networking gateway is sent, it is determined whether send new view connection depending on networking gateway to described
FidonetFido message group information；
When determine not to it is described send new view networking protocol message group information depending on networking gateway when, execute determine whether to receive
Depending on the processing for the palindrome information that networking gateway is sent.
3. method according to claim 1 or 2, which is characterized in that described to determine whether that receiving view networking gateway sends
Palindrome information before, further includes:
Foundation is connect with the data communication depending on networking gateway；
The foundation is connect with the data communication depending on networking gateway, comprising:
When supporting data interaction business, data exchange request is sent to the view networking gateway；
The data exchange response that the view networking gateway is sent is received, based on the data exchange response and the view networking gateway
Establish data communication connection.
4. a kind of data transmission method based on view networking, which is characterized in that the method is applied in view networking, the view connection
Net includes view networked terminals, which comprises
Palindrome information is sent to the view networked terminals, the palindrome information is to send based on the view networked terminals received
View networking protocol message group information return feedback information；
When it is described receive the palindrome information depending on networked terminals when, receive the new view that the view networked terminals are sent and network association
Discuss message group information or missing message group information；
Corresponding specific palindrome information is generated based on the new view networking protocol message group information or missing message group information；
The processing that palindrome information is sent to view networked terminals is executed based on the specific palindrome information.
5. according to the method described in claim 4, it is characterized in that, being gone back before the networked terminals transmission palindrome information to view
Include:
Foundation is connect with the data communication depending on networked terminals；
The foundation is connect with the data communication depending on networked terminals, comprising:
When the view networked terminals support data interaction business, the data exchange request that the view networked terminals are sent is received；
To the view networked terminals send data exchange response so that it is described depending on networked terminals based on the data exchange respond build
Vertical data communication connection.
6. a kind of data transmission device based on view networking, which is characterized in that described device is applied in view networking, the view connection
Net includes view networking gateway, comprising:
Determination unit, is used to determine whether to receive the palindrome information that view networking gateway is sent, and the palindrome information is the view
The feedback information that networking gateway is returned based on the view networking protocol message group information received；
First processing units, for being determined based on the palindrome information when receiving the palindrome information that view networking gateway is sent
Whether the corresponding networking protocol message group information that regards is as complete information；
Transmission unit, for when it is described regard networking protocol message group information as complete information when, to the view networking gateway hair
Send new view networking protocol message group information；For when it is described regard networking protocol message group information as incomplete information when, to
The view networking gateway sends missing message group information.
7. device according to claim 6, which is characterized in that the first processing units, for view connection ought not received
When the palindrome information that net gateway is sent, it is determined whether send new view networking protocol message group information depending on networking gateway to described；
When determine not to it is described send new view networking protocol message group information depending on networking gateway when, it is true to execute the determination unit
The fixed processing for whether receiving the palindrome information that view networking gateway is sent.
8. device according to claim 6 or 7, which is characterized in that further include:
The second processing unit is connect for establishing with the data communication depending on networking gateway；
Described the second processing unit is specifically used for when supporting data interaction business, sends data to the view networking gateway and hands over
Change request；The data exchange response that the view networking gateway is sent is received, exchange response is networked with the view based on the data
Gateway establishes data communication connection.
9. a kind of data transmission device based on view networking, which is characterized in that described device is applied in view networking, the view connection
Net includes view networked terminals, comprising:
Transmission unit, for sending palindrome information to view networked terminals, the palindrome information is based on the view connection received
The feedback information that the view networking protocol message group information that network termination is sent returns；
Receiving unit, for when it is described receive the palindrome information depending on networked terminals when, receive view networked terminals transmission
New view networking protocol message group information or missing message group information；
First processing units, for generating and corresponding to based on the new view networking protocol message group information or missing message group information
Specific palindrome information；
Processing of the transmission unit to view networked terminals transmission palindrome information is executed based on the specific palindrome information.
10. device according to claim 9, which is characterized in that further include:
The second processing unit is connect for establishing with the data communication depending on networked terminals；
Described the second processing unit is specifically used for when the view networked terminals support data interaction business, receives the view connection
The data exchange request that network termination is sent；Data exchange response is sent to the view networked terminals, so that the view networked terminals
Data communication connection is established in exchange response based on the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436582.2A CN109586851B (en) | 2018-11-28 | 2018-11-28 | Data transmission method and device based on video network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436582.2A CN109586851B (en) | 2018-11-28 | 2018-11-28 | Data transmission method and device based on video network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109586851A true CN109586851A (en) | 2019-04-05 |
| CN109586851B CN109586851B (en) | 2022-02-08 |
Family
ID=65925396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811436582.2A Active CN109586851B (en) | 2018-11-28 | 2018-11-28 | Data transmission method and device based on video network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109586851B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554924A (en) * | 2019-07-30 | 2019-12-10 | 视联动力信息技术股份有限公司 | Message processing method and device |
| CN111565096A (en) * | 2020-04-07 | 2020-08-21 | 视联动力信息技术股份有限公司 | Data transmission method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030088852A1 (en) * | 2001-11-07 | 2003-05-08 | Lone Wolf Technologies Corporation. | Visual network operating system and methods |
| CN101193258A (en) * | 2006-12-01 | 2008-06-04 | 北京东方广视科技有限责任公司 | Time slice and confliction avoidance method in CATV network |
| CN107888544A (en) * | 2016-09-29 | 2018-04-06 | 北京视联动力国际信息技术有限公司 | A kind of method and system depending on establishing communication between networked terminals and communication apparatus |
| CN108012106A (en) * | 2016-11-01 | 2018-05-08 | 北京视联动力国际信息技术有限公司 | A kind of method and system regarding networking monitoring source synchronous |
| CN108234421A (en) * | 2016-12-21 | 2018-06-29 | 北京视联动力国际信息技术有限公司 | It is a kind of to regard networked terminals and the method and system of internet terminal audio data intercommunication |
-
2018
- 2018-11-28 CN CN201811436582.2A patent/CN109586851B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030088852A1 (en) * | 2001-11-07 | 2003-05-08 | Lone Wolf Technologies Corporation. | Visual network operating system and methods |
| CN101193258A (en) * | 2006-12-01 | 2008-06-04 | 北京东方广视科技有限责任公司 | Time slice and confliction avoidance method in CATV network |
| CN107888544A (en) * | 2016-09-29 | 2018-04-06 | 北京视联动力国际信息技术有限公司 | A kind of method and system depending on establishing communication between networked terminals and communication apparatus |
| CN108012106A (en) * | 2016-11-01 | 2018-05-08 | 北京视联动力国际信息技术有限公司 | A kind of method and system regarding networking monitoring source synchronous |
| CN108234421A (en) * | 2016-12-21 | 2018-06-29 | 北京视联动力国际信息技术有限公司 | It is a kind of to regard networked terminals and the method and system of internet terminal audio data intercommunication |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554924A (en) * | 2019-07-30 | 2019-12-10 | 视联动力信息技术股份有限公司 | Message processing method and device |
| CN111565096A (en) * | 2020-04-07 | 2020-08-21 | 视联动力信息技术股份有限公司 | Data transmission method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109586851B (en) | 2022-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108023910B (en) | A kind of terminal monitoring method and system based on view networking | |
| CN106341515B (en) | A kind of monitoring method and device of terminal | |
| CN108121588B (en) | A kind of method and its view networking access server of access external resource | |
| CN108012106B (en) | A kind of method and system regarding networking monitoring source synchronous | |
| CN109120962A (en) | The method and apparatus of software terminal connection view networking | |
| CN108881799B (en) | A kind of system and method carrying out view networked video meeting | |
| CN108810456A (en) | A kind of monitoring video flow transfers method and system | |
| CN108616549A (en) | A kind of file uploading method and file server | |
| CN110048954A (en) | A kind of data transmission method and device | |
| CN109889779A (en) | A kind for the treatment of method and apparatus of packet out-ordering | |
| CN109379254A (en) | A kind of detection method and system of the network connection based on video conference | |
| CN110392226A (en) | A kind of live streaming implementation method and device | |
| CN109587432A (en) | A kind of conference speech terminal switching method and system | |
| CN108809921A (en) | A kind of audio-frequency processing method regards networked server and regards networked terminals | |
| CN110177023A (en) | A kind of communication connection detection method and device based on view networking | |
| CN110048903A (en) | A kind of association turns gateway status monitoring method and device | |
| CN109729184A (en) | A kind of method and apparatus of view networking service processing | |
| CN109743284A (en) | A kind of method for processing video frequency and system based on view networking | |
| CN108989850A (en) | A kind of video playing control method and control system | |
| CN109586851A (en) | Data transmission method and device based on view networking | |
| CN110149497A (en) | A kind of view networked data transmission method, apparatus, system and readable storage medium storing program for executing | |
| CN110266577A (en) | A kind of tunnel establishing method and view networked system | |
| CN109617766A (en) | A kind of heartbeat treating method and apparatus | |
| CN109842630A (en) | Method for processing video frequency and device | |
| CN110392289A (en) | A kind of processing method and system of account |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |