CN109617965A

CN109617965A - A kind of communication connection method for building up and view networked system

Info

Publication number: CN109617965A
Application number: CN201811526880.0A
Authority: CN
Inventors: 王艳辉; 胡贵超; 赵明; 杨春晖
Original assignee: Visionvera Information Technology Co Ltd
Current assignee: Visionvera Information Technology Co Ltd
Priority date: 2018-12-13
Filing date: 2018-12-13
Publication date: 2019-04-12

Abstract

The embodiment of the invention provides a kind of communication connection method for building up and view networked systems.When not being directly connected to depending on networking for two, two are located at depending on regarding networking data depending on needing mutually to send between networked terminals in networking if be located at, such as, need to open view networked video, it is typically only capable at two depending on setting up dedicated physical circuit between networking, but many physical resources can be expended in this way, and pass through the application, two can be indirectly connected with together depending on networking by internet, so as to be located at two depending on regarding networking data depending on needing mutually to send between networked terminals in networking, compared to two depending on networking between set up dedicated physical circuit, the application is while satisfaction is located at two depending in networking depending on can mutually send view networking data between networked terminals, save physical resource.

Description

A kind of communication connection method for building up and view networked system

Technical field

The present invention relates to view networking technology fields, more particularly to a kind of communication connection method for building up and view networked system.

Background technique

Currently, a company usually contains multiple departments, generally requires carry out business communication between each department, into When industry business is linked up, generally require to open video conference.

The quantity of the employee of each department is often more, and the employee of each department has a conference facility, owns The employee of department can be used respective conference facility and participate in video conference.

If the network segment where the conference facility that the employee of each department uses is all the same, the employee of each department can make Participate in video conference with conference facility has if the network segment where the conference facility that the employee of each department uses is not all the same Part employee is not just available conference facility and participates in meeting, and then causes this part employee that can not carry out business friendship with other employees Stream.

Summary of the invention

In view of the above problems, present application illustrates a kind of communication connection method for building up and view networked systems.

In a first aspect, the method is applied in view networked system present application illustrates a kind of communication connection method for building up, The view networked system includes the first view networking and the second view networking；

It include the first view networked terminals, the first view networked server and the first inter-network cascade clothes in the first view networking Be engaged in device, described first view networked terminals and described first depending on have between networked server based on regard networking protocol communication link It connects, described first depending on having the communication link based on view networking protocol between networked server and the first inter-network Cascade Server It connects；

It include the second view networked terminals, the second view networked server and the second inter-network cascade clothes in the second view networking Be engaged in device, described second view networked terminals and described second depending on have between networked server based on regard networking protocol communication link It connects, described second depending on having the communication link based on view networking protocol between networked server and the second inter-network Cascade Server It connects；

The described method includes:

The first view networked terminals send the first communication based on view networking protocol to the first view networked server Request is established in connection, and the terminal iidentification that request carries the second view networked terminals is established in first communication connection, and described the One communication connection establishes request for establishing the first view networked terminals and the second view networked terminals according to the terminal iidentification Between communication connection；

The first view networked server receives first communication connection and establishes request, is determined according to the terminal iidentification Described first is located in different view networkings from described second depending on networked terminals depending on networked server, then to described first Inter-network Cascade Server sends first communication connection and establishes request；

The first inter-network Cascade Server receives first communication connection and establishes request, and described first is communicated to connect The second communication connection foundation request that request is converted to internet protocol-based is established, then to the second inter-network cascade servers Device sends second communication connection and establishes request；

The second inter-network Cascade Server receives second communication connection and establishes request, and described second is communicated to connect Request is converted to first communication connection request based on view networking protocol, and sends institute to the second view networked server It states the first communication connection and establishes request；

The second view networked server receives first communication connection and establishes request, and Xiang Suoshu second regards networked terminals It sends first communication connection and establishes request；

The second view networked terminals receive first communication connection and establish request, and generation is used to indicate agreement and establishes institute State the first view networked terminals and the described second communicating based on first depending on networking protocol depending on the communication connection between networked terminals Connection establishment response, Xiang Suoshu second regard networked server and send the first communication connection foundation response；

The second view networked server receives first communication connection and establishes response, the second inter-network of Xiang Suoshu cascade clothes Business device sends first communication connection and establishes response；

The second inter-network Cascade Server receives first communication connection and establishes response, and described first is communicated to connect Establish the second communication connection foundation response that response is converted to internet protocol-based, Xiang Suoshu the first inter-network Cascade Server hair Second communication connection is sent to establish response；

The first inter-network Cascade Server receives second communication connection and establishes response, and described second is communicated to connect It establishes response and is converted to the first communication connection foundation response based on view networking protocol, Xiang Suoshu first regards networked server and sends Response is established in first communication connection；

The first view networked server receives first communication connection and establishes response, and eventually to the first view networking End sends first communication connection and establishes response；

The first view networked terminals receive first communication connection and establish response, so realize and establish first view Communication connection between networked terminals and the second view networked terminals.

Wherein, described that the first view networked server and the second view networked terminals are determined according to the terminal iidentification It is located in different view networkings,

Described first searches whether in default terminal identification list there are the terminal iidentification depending on networked server, described The end for being located at the view networked terminals of same view networking with the first view networked server is stored in default terminal identification list End mark；

If the terminal iidentification is not present in the default terminal identification list, it is determined that the first view the Internet services Device is located in different view networkings from described second depending on networked terminals.

It is wherein, described to send the second communication connection foundation request to the second inter-network Cascade Server, comprising:

Request is established in first inter-network Cascade Server broadcast, second communication connection.

The first inter-network Cascade Server is searched according to the terminal iidentification to be located at together with the second view networked terminals The inter-network Cascade Server of one view networking, and as the second inter-network Cascade Server；

The first inter-network Cascade Server establish between the second inter-network Cascade Server based on internet protocol The communication connection of view；

The first inter-network Cascade Server is cascaded by the communication connection of internet protocol-based to second inter-network Server sends second communication connection and establishes request.

Wherein, the first inter-network Cascade Server is searched and second view networked terminals position according to the terminal iidentification In the inter-network Cascade Server of same view networking, comprising:

The first inter-network Cascade Server takes in the cascade of the terminal iidentification and inter-network Cascade Server of view networked terminals In corresponding relationship between the server identification of business device, server identification corresponding with the terminal iidentification is searched；

The first inter-network Cascade Server by inter-network Cascade Server corresponding to the server identification be determined as with The second view networked terminals are located at the inter-network Cascade Server of same view networking.

Second aspect, present application illustrates a kind of view networked system, the view networked system includes the first view networking and the Two view networkings；

The first view networked terminals are used to send first based on view networking protocol to the first view networked server Request is established in communication connection, and the terminal iidentification that request carries the second view networked terminals, institute are established in first communication connection It states the first communication connection and establishes request for establishing the first view networked terminals and the second view networking according to the terminal iidentification Communication connection between terminal；

Described first establishes request for receiving first communication connection depending on networked server, according to the terminal iidentification Determine that described first is located in different view networkings from described second depending on networked terminals depending on networked server, then to described First inter-network Cascade Server sends first communication connection and establishes request；

The first inter-network Cascade Server establishes request for receiving first communication connection, and described first is communicated The second communication connection foundation request that request is converted to internet protocol-based is established in connection, is then cascaded to second inter-network Server sends second communication connection and establishes request；

The second inter-network Cascade Server establishes request for receiving second communication connection, and described second is communicated Connection request is converted to first communication connection request based on view networking protocol, and sends out to the second view networked server First communication connection is sent to establish request；

The second view networked server, which is received, establishes request, the view networking of Xiang Suoshu second for first communication connection Terminal sends first communication connection and establishes request；

Described second establishes request for receiving first communication connection depending on networked terminals, and generation is used to indicate agreement and builds Stand first based on view networking protocol of the communication connection between the first view networked terminals and the second view networked terminals Response is established in communication connection, and Xiang Suoshu second regards networked server transmission first communication connection and establishes response；

Described second, which is also used to receive first communication connection depending on networked server, establishes response, the second inter-network of Xiang Suoshu Cascade Server sends first communication connection and establishes response；

The second inter-network Cascade Server is also used to receive first communication connection and establishes response, and described first is led to Response, the first inter-network of Xiang Suoshu cascade clothes are established in the second communication connection that letter connection establishment response is converted to internet protocol-based Business device sends second communication connection and establishes response；

The first inter-network Cascade Server is also used to receive second communication connection and establishes response, and described second is led to Letter connection establishment response is converted to the first communication connection based on view networking protocol and establishes response, and Xiang Suoshu first regards the Internet services Device sends first communication connection and establishes response；

Described first, which is also used to receive first communication connection depending on networked server, establishes response, and regards to described first Networked terminals send first communication connection and establish response；

Described first establishes response for receiving first communication connection depending on networked terminals, so realizes and establishes described the Communication connection between one view networked terminals and the second view networked terminals.

Wherein, it described first is also used to search whether that there are the ends in default terminal identification list depending on networked server End identifies, and the view connection for being located at same view networking with the first view networked server is stored in the default terminal identification list The terminal iidentification of network termination；If the terminal iidentification is not present in the default terminal identification list, it is determined that described first It is located in different view networkings from described second depending on networked terminals depending on networked server.

Wherein, the first inter-network Cascade Server is also used to broadcast second communication connection and establishes request.

Wherein, the first inter-network Cascade Server is also used to be searched according to the terminal iidentification and network with second view Terminal is located at the inter-network Cascade Server of same view networking, and as the second inter-network Cascade Server；First inter-network The communication connection for the internet protocol-based that Cascade Server is also used to establish between the second inter-network Cascade Server；Institute The first inter-network Cascade Server is stated to be also used to through the communication connection of internet protocol-based to the second inter-network cascade servers Device sends second communication connection and establishes request.

Wherein, the first inter-network Cascade Server is also used to terminal iidentification and inter-network cascade servers in view networked terminals In corresponding relationship between the server identification of the Cascade Server of device, server mark corresponding with the terminal iidentification is searched Know；The first inter-network Cascade Server be also used to for inter-network Cascade Server corresponding to the server identification being determined as with The second view networked terminals are located at the inter-network Cascade Server of same view networking.

The embodiment of the present invention includes following advantages:

When not being directly connected to depending on networking for two, if be located between the view networked terminals being located in two view networkings It needs mutually to send view networking data, for example, it is desired to open view networked video, is typically only capable to set up between two view networkings special Physical circuit, but many physical resources can be expended in this way, and by the application, two views can be joined by internet Net is indirectly connected with together, so as to be located at two depending on regarding networking number depending on needing mutually to send between networked terminals in networking According to compared at two, depending on setting up dedicated physical circuit between networking, the application is located in two view networkings in satisfaction Depending on can mutually be sent between networked terminals view networking data while, save physical resource.

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 structural block diagram of view networked system of the invention；

Fig. 6 is a kind of communication connection method for building up flow chart of steps 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 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 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, when two view networking be not directly connected to when, if be located at be located at two depending on network in depending on being needed between networked terminals View networking data is mutually sent, for example, it is desired to open view networked video, is typically only capable to dedicated depending on being set up between networking at two Physical circuit, but can expend many physical resources in this way, and by the application, can will be between two views networkings by internet Be connected together in succession so that be located at two depending on networking in depending on needed between networked terminals mutually send view networking data, Compared at two, depending on setting up dedicated physical circuit between networking, the application is meeting the view being located in two view networkings While view networking data can mutually be sent between networked terminals, physical resource is saved.

Referring to Fig. 5, show a kind of structural block diagram of view networked system of the invention, this depending on networked system include: including First view networking 01 and the second view networking 02；

It is described first view networking 01 in include first view networked terminals 011, first regard networked server 012 and first across Net Cascade Server 013, described first is based on view depending on having between networked server 012 depending on networked terminals 011 and described first The communication connection of networking protocol, described first between networked server 012 and the first inter-network Cascade Server 013 depending on having Communication connection based on view networking protocol.

It is described second view networking 02 in include second view networked terminals 021, second regard networked server 022 and second across Net Cascade Server 023, described second is based on view depending on having between networked server 022 depending on networked terminals 021 and described second The communication connection of networking protocol, described second between networked server 022 and the second inter-network Cascade Server 023 depending on having Communication connection based on view networking protocol.

Referring to Fig. 6, a kind of step flow chart of communication connection method for building up of the invention is shown, this method can be applied In view networked system shown in fig. 5, this method can specifically include following steps:

In a step 101, the first view networked terminals send first based on view networking protocol to the first view networked server Request is established in communication connection, and the terminal iidentification that request carries the second view networked terminals, the first communication link are established in the first communication connection It connects and establishes request for establishing the communication connection between the first view networked terminals and the second view networked terminals according to the terminal iidentification；

In a step 102, the first view networked server receives the first communication connection and establishes request, true according to the terminal iidentification Fixed first is located in different view networkings from second depending on networked terminals depending on networked server, then cascades and takes to the first inter-network Business device sends the first communication connection and establishes request；

In this step, first it can search whether that there are the terminals in default terminal identification list depending on networked server Mark presets the end for regarding networked terminals for being stored in terminal identification list and being located at same view networking with the first view networked server End mark；If the terminal iidentification is not present in default terminal identification list, it is determined that the first view networked server and the second view Networked terminals are located in different view networkings.

In step 103, the first inter-network Cascade Server receives the first communication connection and establishes request, by the first communication connection The second communication connection foundation request that request is converted to internet protocol-based is established, is then sent out to the second inter-network Cascade Server The second communication connection is sent to establish request；

In the application one embodiment, the first inter-network Cascade Server can broadcast the second communication connection and establish request.

In another embodiment, the first inter-network Cascade Server can be searched with the second view networking eventually according to the terminal iidentification End is located at the inter-network Cascade Server of same view networking, and as the second inter-network Cascade Server；First inter-network Cascade Server Establish the communication connection of the internet protocol-based between the second inter-network Cascade Server；First inter-network Cascade Server passes through The communication connection of internet protocol-based sends the second communication connection to the second inter-network Cascade Server and establishes request.

Wherein, the inter-network cascade servers for being located at same view networking with the second view networked terminals are being searched according to the terminal iidentification Device, the first inter-network Cascade Server can be in the Cascade Servers of the terminal iidentification and inter-network Cascade Server of view networked terminals In corresponding relationship between server identification, server identification corresponding with the terminal iidentification is searched；Then the first inter-network grade Inter-network Cascade Server corresponding to server identification is determined as being located at same view connection with the second view networked terminals by connection server The inter-network Cascade Server of net.

At step 104, the second inter-network Cascade Server receives the second communication connection and establishes request, by the second communication connection Request is converted to the first communication connection request based on view networking protocol, and sends the first communication link to the second view networked server Connect foundation request；

In step 105, the second view networked server receives the first communication connection and establishes request, to the second view networked terminals It sends the first communication connection and establishes request；

In step 106, the second view networked terminals receive the first communication connection and establish request, and generation is used to indicate agreement and builds The first communication connection based on view networking protocol of communication connection between vertical first view networked terminals and the second view networked terminals Response is established, the first communication connection is sent to the second view networked server and establishes response；

In step 107, the second view networked server receives the first communication connection and establishes response, cascades and takes to the second inter-network Business device sends the first communication connection and establishes response；

In step 108, the second inter-network Cascade Server receives the first communication connection and establishes response, by the first communication connection It establishes response and is converted to the second communication connection of internet protocol-based and establish response, send the to the first inter-network Cascade Server Two communication connection establishment responses；

In step 109, the first inter-network Cascade Server receives the second communication connection and establishes response, by the second communication connection It establishes response and is converted to the first communication connection foundation response based on view networking protocol, send first to the first view networked server Response is established in communication connection；

In step 110, the first view networked server receives the first communication connection and establishes response, and eventually to the first view networking End sends the first communication connection and establishes response；

In step 111, the first view networked terminals receive the first communication connection and establish response, so realize and establish the first view Communication connection between networked terminals and the second view networked terminals.

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.

The application also shows a kind of view networked system, and the view networked system includes the first view networking and the second view connection Net；

For system embodiments, 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, system 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 system 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 instruction system is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.

These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.

Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.

Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.

Above to a kind of communication connection method for building up provided by the present invention and view networked system, it is described in detail, Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used In facilitating the understanding of the method and its core concept of the invention；At the same time, for those skilled in the art, according to the present invention Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as Limitation of the present invention.

Claims

1. a kind of communication connection method for building up, which is characterized in that the method is applied in view networked system, view networking system System includes the first view networking and the second view networking；

It include the first view networked terminals, the first view networked server and the first inter-network cascade servers in the first view networking Device, described first depending on networked terminals and described first depending on have between networked server based on view networking protocol communication connection, Described first depending on having the communication connection based on view networking protocol between networked server and the first inter-network Cascade Server；

It include the second view networked terminals, the second view networked server and the second inter-network cascade servers in the second view networking Device, described second depending on networked terminals and described second depending on have between networked server based on view networking protocol communication connection, Described second depending on having the communication connection based on view networking protocol between networked server and the second inter-network Cascade Server；

The described method includes:

The first view networked terminals send the first communication connection based on view networking protocol to the first view networked server Request is established, the terminal iidentification that request carries the second view networked terminals is established in first communication connection, and described first is logical Letter connection establishes request for establishing between the first view networked terminals and the second view networked terminals according to the terminal iidentification Communication connection；

It is described first view networked server receive it is described first communication connection establish request, according to the terminal iidentification determine described in First is located in different view networkings from described second depending on networked terminals depending on networked server, then to first inter-network Cascade Server sends first communication connection and establishes request；

The first inter-network Cascade Server receives first communication connection and establishes request, and first communication connection is established Request is established in the second communication connection that request is converted to internet protocol-based, is then sent out to the second inter-network Cascade Server Second communication connection is sent to establish request；

The second inter-network Cascade Server receives second communication connection and establishes request, by second communication connection request First communication connection request based on view networking protocol is converted to, and sends described the to the second view networked server Request is established in one communication connection；

The second view networked server receives first communication connection and establishes request, and Xiang Suoshu second regards networked terminals and sends Request is established in first communication connection；

The second view networked terminals receive first communication connection and establish request, and generation is used to indicate agreement and establishes described the The first communication connection based on view networking protocol of communication connection between one view networked terminals and the second view networked terminals Response is established, Xiang Suoshu second regards networked server transmission first communication connection and establishes response；

The second view networked server receives first communication connection and establishes response, Xiang Suoshu the second inter-network Cascade Server It sends first communication connection and establishes response；

The second inter-network Cascade Server receives first communication connection and establishes response, and first communication connection is established Response is established in the second communication connection that response is converted to internet protocol-based, and Xiang Suoshu the first inter-network Cascade Server sends institute It states the second communication connection and establishes response；

The first inter-network Cascade Server receives second communication connection and establishes response, and second communication connection is established Response, which is converted to, establishes response based on the first communication connection for regarding networking protocol, and Xiang Suoshu first is regarded described in networked server transmission Response is established in first communication connection；

Response is established in first view networked server reception, first communication connection, and is sent out to the first view networked terminals First communication connection is sent to establish response；

The first view networked terminals receive first communication connection and establish response, so realize and establish the first view networking Communication connection between terminal and the second view networked terminals.

2. the method according to claim 1, wherein described determine that first view joins according to the terminal iidentification Network server is located in different view networkings from described second depending on networked terminals,

Described first searches whether that there are the terminal iidentifications depending on networked server in default terminal identification list, described default The terminal mark for being located at the view networked terminals of same view networking with the first view networked server is stored in terminal identification list Know；

If in the default terminal identification list be not present the terminal iidentification, it is determined that it is described first view networked server with Described second is located in different view networkings depending on networked terminals.

3. the method according to claim 1, wherein described to described in the second inter-network Cascade Server transmission Request is established in second communication connection, comprising:

4. the method according to claim 1, wherein described to described in the second inter-network Cascade Server transmission Request is established in second communication connection, comprising:

The first inter-network Cascade Server is searched according to the terminal iidentification is located at same view with the second view networked terminals The inter-network Cascade Server of networking, and as the second inter-network Cascade Server；

The first inter-network Cascade Server establishes the internet protocol-based between the second inter-network Cascade Server Communication connection；

The first inter-network Cascade Server is by the communication connection of internet protocol-based to the second inter-network cascade servers Device sends second communication connection and establishes request.

5. according to the method described in claim 4, it is characterized in that, the first inter-network Cascade Server is according to the terminal mark Know the inter-network Cascade Server searched and be located at same view networking with the second view networked terminals, comprising:

The first inter-network Cascade Server is in the terminal iidentification of view networked terminals and the Cascade Server of inter-network Cascade Server Server identification between corresponding relationship in, search corresponding with terminal iidentification server identification；

The first inter-network Cascade Server by inter-network Cascade Server corresponding to the server identification be determined as with it is described Second view networked terminals are located at the inter-network Cascade Server of same view networking.

6. a kind of view networked system, which is characterized in that the view networked system includes the first view networking and the second view networking；

The first view networked terminals are used to send the first communication based on view networking protocol to the first view networked server Request is established in connection, and the terminal iidentification that request carries the second view networked terminals is established in first communication connection, and described the One communication connection establishes request for establishing the first view networked terminals and the second view networked terminals according to the terminal iidentification Between communication connection；

Described first establishes request for receiving first communication connection depending on networked server, is determined according to the terminal iidentification Described first is located in different view networkings from described second depending on networked terminals depending on networked server, then to described first Inter-network Cascade Server sends first communication connection and establishes request；

The first inter-network Cascade Server establishes request for receiving first communication connection, and described first is communicated to connect The second communication connection foundation request that request is converted to internet protocol-based is established, then to the second inter-network cascade servers Device sends second communication connection and establishes request；

The second inter-network Cascade Server establishes request for receiving second communication connection, and described second is communicated to connect Request is converted to first communication connection request based on view networking protocol, and sends institute to the second view networked server It states the first communication connection and establishes request；

The second view networked server, which is received, establishes request for first communication connection, and Xiang Suoshu second regards networked terminals It sends first communication connection and establishes request；

Described second establishes request for receiving first communication connection depending on networked terminals, and generation is used to indicate agreement and establishes institute State the first view networked terminals and the described second communicating based on first depending on networking protocol depending on the communication connection between networked terminals Connection establishment response, Xiang Suoshu second regard networked server and send the first communication connection foundation response；

Described second, which is also used to receive first communication connection depending on networked server, establishes response, the cascade of the second inter-network of Xiang Suoshu Server sends first communication connection and establishes response；

The second inter-network Cascade Server is also used to receive first communication connection and establishes response, by first communication link It connects and establishes the second communication connection foundation response that response is converted to internet protocol-based, Xiang Suoshu the first inter-network Cascade Server It sends second communication connection and establishes response；

The first inter-network Cascade Server is also used to receive second communication connection and establishes response, by second communication link Connect the first communication connection foundation response for establishing and responding and being converted to based on view networking protocol, the view networked server hair of Xiang Suoshu first First communication connection is sent to establish response；

Described first, which is also used to receive first communication connection depending on networked server, establishes response, and networks to first view Terminal sends first communication connection and establishes response；

Described first establishes response for receiving first communication connection depending on networked terminals, so realizes and establishes first view Communication connection between networked terminals and the second view networked terminals.

7. view networked system according to claim 6, which is characterized in that described first is also used to depending on networked server pre- If being searched whether in terminal identification list there are the terminal iidentification, it is stored with and described in the default terminal identification list One view networked server is located at the terminal iidentification of the view networked terminals of same view networking；If in the default terminal identification list There is no the terminal iidentifications, it is determined that described first is located at difference depending on networked terminals depending on networked server and described second View networking in.

8. view networked system according to claim 6, which is characterized in that the first inter-network Cascade Server is also used to extensively It broadcasts second communication connection and establishes request.

9. view networked system according to claim 6, which is characterized in that the first inter-network Cascade Server is also used to root The inter-network Cascade Server for being located at same view networking with the second view networked terminals is searched according to the terminal iidentification, and as institute State the second inter-network Cascade Server；The first inter-network Cascade Server is also used to establish and the second inter-network Cascade Server Between internet protocol-based communication connection；The first inter-network Cascade Server is also used to pass through internet protocol-based Communication connection to the second inter-network Cascade Server send it is described second communication connection establish request.

10. view networked system according to claim 9, which is characterized in that the first inter-network Cascade Server is also used to Corresponding relationship between the server identification of the Cascade Server of the terminal iidentification and inter-network Cascade Server of view networked terminals In, search server identification corresponding with the terminal iidentification；The first inter-network Cascade Server is also used to the clothes The corresponding inter-network Cascade Server of business device mark is determined as being located at the inter-network of same view networking with the second view networked terminals Cascade Server.