CN107959665A - A kind of communication means and communication system - Google Patents
A kind of communication means and communication system Download PDFInfo
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- CN107959665A CN107959665A CN201610907427.9A CN201610907427A CN107959665A CN 107959665 A CN107959665 A CN 107959665A CN 201610907427 A CN201610907427 A CN 201610907427A CN 107959665 A CN107959665 A CN 107959665A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
An embodiment of the present invention provides a kind of communication means and system, this method includes：Receive the video traffic request that the GIS is sent；Video traffic request is converted to first data packet that can be identified depending on networking and sent to described and regards networking；Receive the response data for regarding and networking to first data packet；The response data is converted into the second data packet that internet can identify and is sent to the GIS.The present invention by from GIS or depending on the request of networking or response data before being transmitted to the opposing party, data conversion is carried out first, the opposing party that transformed data will be transmitted to is identified, the communication bridge between two networks is established with this, so that the audio-video network communication depending on networking is no longer limited in regarding intranet, and normal communication can be carried out with exterior GIS.
Description
Technical field
The present invention relates to regarding networking technology field, more particularly to a kind of communication means and communication system.
Background technology
With the fast development of the network technology, the audio/video communication such as video calling, video conference, video teaching is user's
Life, work, study etc. are widely available.
But current audio/video communication can only independently of audio-video network inside, and can not make audio-video network with it is outer
Boundary's network interaction, unicom, it is even more impossible to realize the audio and video interactive communication of audio-video network and GIS-Geographic Information System (GIS).This will
It can cause the problem of audio-video network communication is limited, and information can not obtain exterior transmission.
The content of the invention
In view of the above problems, it is proposed that the embodiment of the present invention overcomes the above problem or at least in part in order to provide one kind
A kind of communication means to solve the above problems and a kind of corresponding communication system.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of communication means.
This method is used to regard networking and Distribution GIS communication, including：
Receive the video traffic request that the GIS is sent；
Video traffic request is converted to first data packet that can be identified depending on networking and sent to described and is regarded
Networking；
Receive the response data for regarding and networking to first data packet；
The response data is converted into the second data packet that internet can identify and is sent to the GIS.
The embodiment of the invention also discloses a kind of communication system.
The system is used to regard networking and GIS communications, including：
First receiving module, the video traffic request sent for receiving the GIS；
First modular converter, for video traffic request to be converted to first data that can be identified depending on networking
Bag；
First sending module, networking is regarded for sending first data packet to described；
Second receiving module, for receiving the response data regarding networking to first data packet；
Second modular converter, for the response data to be converted to the second data packet that internet can identify；
Second sending module, for sending second data packet to the GIS.
In this way, the embodiment of the present invention passes through to being transmitted from GIS or depending on the request of networking or response data to the opposing party
Before, data conversion is carried out first so that the opposing party that transformed data can will be transmitted to identifies, is established with this
Communication bridge between two networks so that the audio-video network communication depending on networking is no longer limited in regarding intranet, and can
To carry out normal communication with exterior GIS.
Brief description of the drawings
Fig. 1 is a kind of networking schematic diagram for regarding networking of the present invention；
Fig. 2 is a kind of hardware architecture diagram of node server of the present invention；
Fig. 3 is a kind of hardware architecture diagram of access switch of the present invention；
Fig. 4 is that a kind of Ethernet association of the present invention turns the hardware architecture diagram of gateway；
Fig. 5 is a kind of step flow chart of communication means embodiment of the present invention；
Fig. 6 is that a kind of regarding for embodiment of the present invention is networked and the stream that is communicated by streaming media server between GIS
Cheng Tu；
Fig. 7 is a kind of structure diagram of communications system embodiment of the present invention.
Embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings 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 realize HD video real-time Transmission,
Push numerous the Internet, applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, can be such as high in a network platform by required service
Clear video conference, video monitoring, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, show
Live, VOD program requests, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information issue
The services such as etc. tens of kinds videos, voice, picture, word, communication, data are all incorporated into a system platform, by TV or
Computer realizes that high-definition quality video plays.
To make those skilled in the art more fully understand the embodiment of the present invention, below to being introduced depending on networking：
Depending on networking, applied portion of techniques is as described below：
Network technology (Network Technology)
Network technology innovation depending on networking improves traditional ethernet (Ethernet), with potential huge on network
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demands are met using Packet Switching depending on networking technology.Possesses packet depending on networking technology
Flexible, the simple and low price exchanged, is provided simultaneously with quality and the safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
Road, and the seamless connection of data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch of Ethernet are used depending on networking, eliminating Ethernet on the premise of full compatibility lacks
Fall into, possess the end-to-end seamless connection of the whole network, direct user terminal, directly carries IP data packets.User data is in network-wide basis
It is not required to any format conversion.It is the higher level form of Ethernet depending on networking, is a real-time exchange platform, can realizes at present mutually
The whole network large-scale high-definition realtime video transmission that networking can not be realized, pushes numerous Internet 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, its data-handling capacity is unrelated with flow, communication time, and single network layer is with regard to energy
Enough include signaling and data transfer.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase more than hundred times than traditional server.
Holder technology (Storage Technology)
The ultrahigh speed holder technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
State-of-the-art real time operating system is employed, 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 to be less than 0.2 second.Optimize
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of ad eundem IP internets, but
The concurrent flow more than 3 times of traditional disk array is produced, overall efficiency lifts more than 10 times.
Network security technology (Network Security Technology)
Structural design depending on networking by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem of puzzlement internet has thoroughly been eradicated from structure, antivirus applet, fire wall is generally not required, has prevented black
Visitor and the attack of virus, provide structural carefree secure network to the user.
Service innovative technology (Service Innovation Technology)
Business and transmission are merged by unified video platform, whether unique user, private user or a net
The sum total of network, is all only once to connect automatically.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 program, and it is that complicated application can be achieved that can use considerably less code, 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, it is 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 Ethernet can be connected.
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 from the above 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, ring-type.
Visually claim, access mesh portions can form unified video platform (empty thiol point), and multiple unified videos are put down
Platform can be formed regarding 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 depending on the equipment in networking：Server, interchanger (including ether
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 ether
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The particular hardware structure of each access network equipment is：
Node server：
As shown in Fig. 2, mainly include 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 bag come in, so as to obtain the navigation information of bag；
And the bag is stored according to the navigation information of bag the queue of corresponding pack buffer 206；If the queue of pack buffer 206 approaches
It is full, then abandon；All pack buffer queues of 202 poll of switching engine mould, if meeting that the following conditions are forwarded to：1) port
Send caching less than；2) the queue package counting facility is more than zero.Disk array module 204 mainly realizes the control to hard disk, including
Initialization, read-write to hard disk etc. operate；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 include Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the bag (upstream data) that downstream network interface module 301 is come in enters bag detection module 305；Bag detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection bag of block 305 meet the requirements, if met,
Corresponding flow identifier (stream-id) is then distributed, and enters switching engine module 303, is otherwise abandoned；Uplink network interface mould
The bag (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 bag come in, so as to obtain the navigation information of bag；
Gone if the bag into switching engine module 303 is downstream network interface toward uplink network interface, with reference to flow identifier
(stream-id) bag is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Abandon；If the bag into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to bag
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：
Gone if the queue is downstream network interface toward uplink network interface, meet that the following conditions are forwarded to：1)
The port send caching less than；2) the queue package counting facility is more than zero；3) token that rate control module produces is obtained；
Gone if the queue is not downstream network interface toward uplink network interface, meet that the following conditions are forwarded to：
1) port send caching less than；2) the queue package counting facility is more than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval
The pack buffer queue that interface is gone toward uplink network interface produces token, to control the code check 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 include Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, bag detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC add modules 409, MAC removing modules 410.
Wherein, the data packet that downstream network interface module 401 is come in enters bag detection module 405；Bag detection module 405 is examined
Survey the ethernet mac DA of data packet, ethernet mac SA, Ethernet length or frame type, regarding networking mesh way address
DA, depending on networking source address SA, whether meet the requirements 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 modules 410
(2byte), and enter corresponding order caching, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, if Bao Ze regarding with networking mesh according to bag
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：
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 formed.
2nd, regarding networking data package definition
2.1 access network data package definitions
The data packet of access net mainly includes following sections：Destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, accessing the data packet of net mainly includes following sections：
| DA | SA | Reserved | Payload | CRC |
Wherein：
Destination address (DA) is made of 8 bytes (byte), and first character section represents type (such as the various associations of data packet
Discuss bag, 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 with destination address (DA)；
Reserve bytes are made of 2 bytes；
Payload parts have different length according to the type of different datagrams, if being if various protocol packages
64 bytes, if single group unicast packets words are 32+1024=1056 bytes, are not restricted to 2 kinds of the above certainly；
CRC is made of 4 bytes, its computational methods 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
2 kinds can be all can exceed that 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 unique, is closed to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention：Label, uniquely describes 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 have two connections between device A and equipment B, then data packet slave device A to equipment B just
There are 2 labels, data packet slave device B to device A also there are 2 labels.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of device A is 0x0000, and the label (outgoing label) when this data packet leaves device A may reform into
0x0001.The networking flow 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 is all dominated by metropolitan area server, and node switch, node server are all passive execution, 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 consulted 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 form of label may be referred to be defined as below：Label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Put is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic regarding networking, it is proposed that one of the core concepts of the embodiments of the present invention, it then follows regarding networking and mutually
The agreement of networking, establishes regarding the communication networked between the GIS-Geographic Information System of interconnection net side, realizes both sides' business.
With reference to Fig. 5, the step flow chart of the communication means of one embodiment of the invention is shown, this method, which is used to regard, networks
Communicate with GIS, specifically may include steps of：
Step 501, the video traffic request that the GIS is sent is received；
In the concrete realization, user can select what is communicated to regard by the client browser of GIS on GIS
Networked terminals are simultaneously selected with should send video traffic depending on the networked terminals video traffic to be carried out with this and ask to streaming media service
Device.Asked in this way, streaming media server has been received by the video traffic sent by GIS.
Step 502, video traffic request is converted into first data packet that can be identified depending on networking and sent
Networking is regarded to described；
Wherein, due to all being made depending on whole communication protocols in networking on the basis of network two-layer protocol, and interconnect
The communication protocol of net is then to belong to three layer protocol of network, therefore, in order to realize that the communication of two networks needs to establish two networks
Between communication bridge, i.e., streaming media server here.
Specifically, streaming media server, can be with after the video traffic for supporting three layer protocol of network request is received
The first data packet for supporting network two-layer protocol is converted into, to be identified depending on networking；
Then, the first data packet after by completion protocol conversion is sent to regarding networking side.
Step 503, the response data for regarding and networking to first data packet is received；
Wherein, regarding networking side, after first data packet is received depending on networking, it is possible to the video traffic is asked into
Row response, so that the Data Concurrent that meets with a response is sent to streaming media server side.
In this way, streaming media server can receive the response data to first data packet regarding networking.
Step 504, the response data is converted into the second data packet that internet can identify and sent to described
GIS。
Wherein, due to streaming media server received from the response data for regarding networking be support network two-layer protocol without support
Three-layer network agreement, therefore, it is also desirable to carry out protocol conversion to the response data, i.e., be three layers from double layer network protocol conversion
Procotol.Then, transformed second data packet is sent to GIS sides.
In this way, the embodiment of the present invention passes through to being transmitted from GIS or depending on the request of networking or response data to the opposing party
Before, data conversion is carried out first so that the opposing party that transformed data can will be transmitted to identifies, is established with this
Communication bridge between two networks so that the audio-video network communication depending on networking is no longer limited in regarding intranet, and can
To carry out normal communication with exterior GIS.
Fig. 6 shows and is communicated between an instantiation Union of Central Vision net and GIS of the invention by streaming media server
Flow chart.The above-mentioned communication means of the present invention is described in detail with reference to Fig. 6.
In order to make to be integrated with generalized information system depending on networking, operational docking is realized, to reach the effect to interconnect.Mainly
Business can include but is not limited to check depending on networked video meeting, video call function and monitor video.
Wherein, the embodiment of the present invention can be in advance by each positional information (i.e. x, y-coordinate regarding networked terminals in networking
Information) typing is into generalized information system, in this way, all location points regarding networked terminals will be shown in the map area of GIS, from
And cause depending on being each distributed in depending on networked terminals in the geographic area of the GIS in networking.
And in the present embodiment, the present invention uses browser-server (B-S) pattern, i.e., user can be by using browsing
Device to select one or more to regard networked terminals (such as conference terminal) on GIS, and by streaming media server come with regarding connection
Selected in net regards networked terminals, establishes real-time video conference business.
And since in whole communication protocol in networking, using networking protocol is regarded, it is on the basis of network two-layer protocol
Do, and the communication protocol of internet is based on IP agreement, is to belong to three layer protocol of network.So first have to from technological layer
Establish two internetwork communication bridges so that the interaction of both sides is unblocked, then realizes the business of both sides.So in order to realize
Depending on the communication networked with internet, reach by generalized information system to show the distribution regarding networked terminals, and establish and regard networking
With the video traffic of internet, it is necessary to develop the equipment that can be connected at the same time regarding networking and internet, the equipment is similar
The property of gateway.The streaming media server for supporting double netcard is selected to realize in the present embodiment, wherein, the streaming media server
Two network interface cards are connected to, the network interface card connection of one end regards networking, the network interface card connection internet of the other end, and two networks can
Identify the streaming media server.
And in order to realize the protocol conversion of interactive information, here, the embodiment of the present invention develops in streaming media server
Modular converter realizes the protocol conversion of all signalings and data depending on being transmitted between networking and internet, believes so as to receive
One side of order and data can read.
Wherein, which supports multi-terminal video meeting, supports point-to-point terminal video call, supports to obtain
The SOT state of termination, can pass through network service related service interface.
Above-mentioned communication means is described in detail with an instantiation with reference to Fig. 6.
For example, user needs to initiate the videophone to regarding a certain terminal device of networking in generalized information system from browser
Business, then user can be shown by the client browser of generalized information system in map area several regard networked terminals
Some regards networked terminals for middle selection, and has fired video calling button at the service menu midpoint of pop-up.
In this way, after clicking on, generalized information system will send video calling request to streaming media server, wherein, by
Each identification information for representing that there is this to regard networked terminals in the location point of networked terminals in GIS map.Therefore, with
Family have selected one after networked terminals, can include the requested identification information regarding networked terminals in video calling request.
Next, the network interface card side that streaming media server side is connected with internet can receive video calling request, and
The modular converter of streaming media server is forwarded it to, can be by the video after which receives video calling request
Call request carries out protocol conversion, i.e., from Internet protocol to the conversion regarding networking protocol, obtains regarding identifiable data of networking
Bag.
Specifically, for example, interconnection net side use Internet protocol be mostly IP agreement, therefore, will can then connect here
The received video calling request for meeting IP agreement is converted to the data packet met regarding networking protocol.
Then, transformed data packet is sent to the network interface card regarding networking connection, the network interface card and plays forwarding by modular converter
Effect, the video calling request data package after protocol conversion can be sent to depending on networking side handled.
From fig. 6, it can be seen that include regarding networking side regarding networked server and multiple regard networked terminals, then regarding the Internet services
Device is after the identifiable video calling request data package is received, then can according to the identification information in the data packet come
Determine that GIS browsers side is requested and regard networked terminals, and video calling request is responded, obtain signaling and (represent
It is received to be asked to the video calling) and answer data (such as video data for video calling).
Then, the response data asked video calling depending on networking side, i.e. signaling and answer data sending to Streaming Media take
Device side be engaged in regarding the network interface card networked and connected, then, which is forwarded to modular converter by response data.
Wherein, the response data sent due to regarding networking is and the non-ip protocol data regarding networking protocol, therefore, is changed
The response data can be carried out IP agreement conversion automatically and become that the data packet of net identification can be interconnected by module.Wherein, the sound
Inverse conversion when answering the protocol conversion of data to can be regarded as asking to carry out protocol conversion to video calling.
Then, which can send transformed response data to the network interface card of connection internet, and by this
Network interface card is forwarded to generalized information system.
So, when generalized information system receives the data packet of the response data of the return, will be visited by the web of client
Ask to call embedded interaction plug-in unit, so as to and ask that converses to establish video call service depending on networked terminals before.
Wherein, which supports two-way in coding and decoding videos, supports big smaller screen, support full frame, shortcut,
Volume adjustment, possesses video file broadcasting and control function, and is capable of providing stream input/output interface.
And follow-up regard networking and interacted with the audio, video data between internet and above-mentioned video request and video response
Flow is similar, and details are not described herein.
Although, wherein it is desired to it is noted that it is that request is by video calling of video traffic request in this instantiation
What example illustrated, but the video traffic request of the present invention is not limited to video calling request, can also be unidirectional video
Check request, multidirectional video conference request etc..
By the communication means described in detail above that can be seen that by means of the above embodiment of the present invention, realize regarding connection
Being in communication with each other between net and internet, and can also be by depending on being shown in generalized information system of the networked terminals in internet, into one
Step realizes generalized information system and depending on interconnecting between networking, has reached and has been merged regarding networking audio/video communication with Internet service
Effect.So that regarding networking service no longer independently of regarding intranet, and realize the audio and video regarding networking and extraneous internet
The interaction of communication service, unicom.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action group
Close, but those skilled in the art should know, the embodiment of the present invention and from the limitation of described sequence of movement, because according to
According to the embodiment of the present invention, some steps can use other orders or be carried out at the same time.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented
Necessary to example.
Reference Fig. 7, shows a kind of structure diagram of communications system embodiment of the present invention, which can be used for
Depending on networking and GIS communications, it can specifically include following module：
First receiving module 701, the video traffic request sent for receiving the GIS；
First modular converter 702, for by video traffic request be converted to it is described regard networking and can identify first
Data packet；
First sending module 703, networking is regarded for sending first data packet to described；
Second receiving module 704, for receiving the response data regarding networking to first data packet；
Second modular converter 705, for the response data to be converted to the second data packet that internet can identify；
Second sending module 706, for sending second data packet to the GIS.
In one preferred embodiment of the invention, first modular converter 702 includes：
First transform subblock, for video traffic request from Internet protocol to depending on networking protocol turn
Change, obtain supporting the first data packet regarding networking protocol.
In one preferred embodiment of the invention, second modular converter 705 includes：
Second transform subblock, for being carried out to the response data from regarding conversion of the networking protocol to Internet protocol,
Obtain supporting the second data packet of Internet protocol.
In one preferred embodiment of the invention, the video traffic request includes the mark regarding networked terminals of request
Information
In one preferred embodiment of the invention, the type of the video traffic request includes at least one of：
Video checks request, video calling request, video conference request.
In one preferred embodiment of the invention, it is described depending on each regarding in networking described in networked terminals are distributed in
In the geographic area of GIS.
For device embodiment, since it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can use 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 use 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 with reference 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 it can realize flowchart and/or the block diagram by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in flow and/or square frame combination.These can be provided
Computer program instructions are set to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that is held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced and is used for realization in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device for the function of specifying.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing terminal equipments
In the computer-readable memory to work in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, which realizes in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so that
The instruction performed on computer or other programmable terminal equipments is provided and is used for realization in one flow of flow chart or multiple flows
And/or specified in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make these embodiments other change and modification.So appended claims are intended to be construed to
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 order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements are not only wrapped
Those key elements are included, but also including other elements that are not explicitly listed, or further include as this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, wanted by what sentence "including a ..." limited
Element, it is not excluded that also there are other identical element in the process including the key element, method, article or terminal device.
Above to a kind of communication means provided by the present invention and a kind of communication system, it is described in detail, herein
Apply specific case to be set forth the principle of the present invention and embodiment, the explanation of above example is only intended to help
Understand the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention,
There will be changes in specific embodiments and applications, in conclusion this specification content should not be construed as to this
The limitation of invention.
Claims (12)
- A kind of 1. communication means, it is characterised in that the method is used to regard networking and Distribution GIS communication, including：Receive the video traffic request that the GIS is sent；Video traffic request is converted to first data packet that can be identified depending on networking and sent to described and regards networking；Receive the response data for regarding and networking to first data packet；The response data is converted into the second data packet that internet can identify and is sent to the GIS.
- 2. according to the method described in claim 1, it is characterized in that, described be converted to video traffic request described regards connection The step of the first data packet that net can identify, including：Video traffic request is carried out, from Internet protocol to the conversion regarding networking protocol, to obtain supporting regarding networking protocol First data packet.
- 3. according to the method described in claim 1, it is characterized in that, described be converted to internet by the response data and can know The step of other second data packet, including：The response data is carried out, from regarding conversion of the networking protocol to Internet protocol, to obtain supporting the second of Internet protocol Data packet.
- 4. according to the method described in claim 1, it is characterized in that, the video traffic asks include asking to regard networked terminals Identification information.
- 5. according to the method described in claim 1, it is characterized in that, the video traffic request type include it is following at least it One：Video checks request, video calling request, video conference request.
- It is 6. according to the method described in claim 1, it is characterized in that, described depending on each being distributed in depending on networked terminals in networking In the geographic area of the GIS.
- A kind of 7. communication system, it is characterised in that the system is used to regard networking and GIS communications, including：First receiving module, the video traffic request sent for receiving the GIS；First modular converter, for video traffic request to be converted to first data packet that can be identified depending on networking；First sending module, networking is regarded for sending first data packet to described；Second receiving module, for receiving the response data regarding networking to first data packet；Second modular converter, for the response data to be converted to the second data packet that internet can identify；Second sending module, for sending second data packet to the GIS.
- 8. communication system according to claim 7, it is characterised in that first modular converter includes：First transform subblock, for carrying out video traffic request from Internet protocol to the conversion regarding networking protocol, Obtain supporting the first data packet regarding networking protocol.
- 9. communication system according to claim 7, it is characterised in that second modular converter includes：Second transform subblock, for carrying out the response data from regarding conversion of the networking protocol to Internet protocol, obtains Support the second data packet of Internet protocol.
- 10. communication system according to claim 7, it is characterised in that the video traffic request includes regarding for request and joins The identification information of network termination.
- 11. communication system according to claim 7, it is characterised in that the type of the video traffic request includes following At least one：Video checks request, video calling request, video conference request.
- 12. communication system according to claim 7, it is characterised in that described each equal regarding networked terminals in networking It is distributed in the geographic area of the GIS.
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| CN201610907427.9A CN107959665A (en) | 2016-10-18 | 2016-10-18 | A kind of communication means and communication system |
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Address after: 100000 Dongcheng District, Beijing, Qinglong Hutong 1, 1103 house of Ge Hua building. Applicant after: Video Link Power Information Technology Co., Ltd. Address before: 100000 Beijing Dongcheng District gogoa building A1103-1113 Applicant before: BEIJING VISIONVERA INTERNATIONAL INFORMATION TECHNOLOGY CO., LTD. |
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Application publication date: 20180424 |