CN110324379B - Communication connection establishing method and device - Google Patents

Communication connection establishing method and device Download PDF

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Publication number
CN110324379B
CN110324379B CN201810277936.7A CN201810277936A CN110324379B CN 110324379 B CN110324379 B CN 110324379B CN 201810277936 A CN201810277936 A CN 201810277936A CN 110324379 B CN110324379 B CN 110324379B
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video network
terminal
video
server
communication connection
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CN110324379A (en
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杨春晖
王艳辉
潘廷勇
朱道彦
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Hainan Shilian Communication Technology Co ltd
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Visionvera Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • 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
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • 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
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25816—Management of client data involving client authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/155—Conference systems involving storage of or access to video conference sessions

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Computer Graphics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention provides a communication connection establishing method and device. In the embodiment of the invention, when the video network terminal is required to be connected to the video network, the user of the video network terminal is not required to control the video network terminal to actively establish the communication connection between the video network servers bound with the video network terminal, and the video network servers bound with the video network terminal can actively establish the communication connection with the video network terminal, and the communication connection establishment process is realized in a full-automatic manner without user participation, so that the problem that each video network terminal cannot be quickly and completely established with the respective video network server in a short time due to the fact that manual operation cannot be unified in time can be avoided, and further the delay of the process of starting the video network conference can be avoided.

Description

Communication connection establishing method and device
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a method and an apparatus for establishing a communication connection.
Background
At present, many companies all are provided with the office in each area, often need carry out the business communication between the staff of each office, when carrying out the business communication, often need open the video conference, in order to make can open the video conference between the staff of each office, need be equipped with a terminal respectively for each staff of each office in advance.
When the staff of each office needs to start the video conference, each staff of each office needs to control the terminal of each staff to actively establish communication connection with the server, and therefore the terminals can send audio and video data to each other through the server, and the video conference is started.
However, the inventor found that, because manual operations are often not uniform in time, when each employee controls a terminal of the employee to actively establish communication connection with a server, the terminal cannot establish communication connection between servers in a short time, and further, the progress of starting a video conference may be delayed.
Disclosure of Invention
In order to solve the above problem, an embodiment of the present invention discloses a communication connection establishment method and apparatus.
In a first aspect, an embodiment of the present invention shows a communication connection establishment method, which is applied to a video networking terminal, and the method includes:
receiving an inquiry instruction broadcasted by the internet-of-things server; the query instruction is used for querying attribute information, identification information and a terminal address of the video network terminal, communication connection is not established between the video network terminal and the video network server, and the query instruction also carries the server address of the video network server;
acquiring attribute information, identification information and a terminal address of the video network terminal;
extracting the server address from the query instruction;
sending the attribute information, the identification information and the terminal address to the video network server according to the server address;
receiving a communication connection establishment instruction sent by the video networking server, wherein the establishment instruction is sent to the video networking terminal after the video networking server determines that the video networking terminal has the authority of establishing communication connection with the video networking server according to the attribute information and the identification information;
generating a communication connection establishment response according to the establishment instruction;
and sending the establishment response to the video networking server according to the server address so as to establish the communication connection between the video networking server and the video networking terminal.
In an optional implementation, the method further includes:
judging whether the time length between the sending time when the current terminal information and the terminal address are sent and the receiving time when the communication connection establishment instruction sent by the video networking server is received is less than the preset time length or not;
and if the time length is less than the preset time length, executing the step of generating the establishment response of the communication connection according to the establishment instruction.
In an optional implementation manner, the attribute information includes type information, model information, version information, and topology information of the video network terminal, and the attribute information of different video network terminals is different.
In a second aspect, an embodiment of the present invention shows a communication connection establishment method, which is applied to a video networking server, and the method includes:
broadcasting a query instruction, wherein the query instruction is used for querying attribute information, identification information and a terminal address of a video network terminal which does not establish communication connection with the video network server, and the query instruction also carries the server address of the video network server;
receiving attribute information, identification information and a terminal address of the video network terminal returned by the video network terminal according to the query instruction;
determining whether the video network terminal has the authority of establishing communication connection with the video network server according to the attribute information and the identification information;
if the terminal has the authority of establishing communication connection with the video network server, the terminal sends a communication connection establishment instruction to the video network terminal according to the terminal address,
and receiving a set-up response returned according to the set-up instruction and sent by the video network terminal so as to establish the communication connection between the video network server and the video network terminal.
In an optional implementation manner, the attribute information includes type information, model information, version information, and topology information of the video network terminal, and the attribute information of different video network terminals is different.
In an optional implementation manner, the determining, according to the attribute information and the identification information, whether the terminal of the video networking has the authority to establish a communication connection with the video networking server includes:
searching attribute information corresponding to the identification information of the video network terminal in the corresponding relation between the stored identification information and the attribute information of the video network terminal;
determining whether the received attribute information is the same as the searched attribute information;
if the received attribute information is the same as the searched attribute information, determining that the video network terminal has the permission of establishing communication connection with the video network server;
and if the received attribute information is different from the searched attribute information, determining that the video network terminal does not have the authority of establishing communication connection with the video network server.
In a third aspect, an embodiment of the present invention shows a communication connection establishment apparatus, which is applied to a video networking terminal, and includes:
the first receiving module is used for receiving the query instruction broadcasted by the internet-of-things server; the query instruction is used for querying attribute information, identification information and a terminal address of the video network terminal, communication connection is not established between the video network terminal and the video network server, and the query instruction also carries the server address of the video network server;
the acquisition module is used for acquiring the attribute information, the identification information and the terminal address of the video network terminal;
the extracting module is used for extracting the server address from the query instruction;
the first sending module is used for sending the attribute information, the identification information and the terminal address to the video network server according to the server address;
the second receiving module is used for receiving a communication connection establishment instruction sent by the video networking server, wherein the establishment instruction is sent to the video networking terminal after the video networking server determines that the video networking terminal has the authority of establishing communication connection with the video networking server according to the attribute information and the identification information;
the generating module is used for generating a communication connection establishment response according to the establishment instruction;
and the second sending module is used for sending the establishment response to the video network server according to the server address so as to establish the communication connection between the video network server and the video network terminal.
In an optional implementation, the apparatus further comprises:
the judging module is used for judging whether the time length between the sending time when the current terminal information and the terminal address are sent and the receiving time when the communication connection establishing instruction sent by the video networking server is received is less than the preset time length or not;
the generation module is further to: and if the time length is less than the preset time length, generating a communication connection establishment response according to the establishment instruction.
In an optional implementation manner, the attribute information includes type information, model information, version information, and topology information of the video network terminal, and the attribute information of different video network terminals is different.
In a fourth aspect, an embodiment of the present invention shows a communication connection establishment apparatus, applied to a video network server, where the apparatus includes:
the broadcasting module is used for broadcasting a query instruction, the query instruction is used for querying attribute information, identification information and a terminal address of a video network terminal which is not in communication connection with the video network server, and the query instruction also carries the server address of the video network server;
the third receiving module is used for receiving the attribute information, the identification information and the terminal address of the video network terminal returned by the video network terminal according to the query instruction;
the determining module is used for determining whether the video network terminal has the authority of establishing communication connection with the video network server according to the attribute information and the identification information;
a third sending module, configured to send a communication connection establishment instruction to the video networking terminal according to the terminal address if the video networking server has the permission to establish communication connection with the video networking server,
and the fourth receiving module is used for receiving a building response which is sent by the video networking terminal and returned according to the building instruction so as to realize the establishment of the communication connection between the video networking server and the video networking terminal.
In an optional implementation manner, the attribute information includes type information, model information, version information, and topology information of the video network terminal, and the attribute information of different video network terminals is different.
In an optional implementation manner, the determining module includes:
the searching unit is used for searching the attribute information corresponding to the identification information of the video network terminal in the corresponding relation between the stored identification information and the attribute information of the video network terminal;
a first determining unit, configured to determine whether the received attribute information is the same as the searched attribute information;
a second determining unit, configured to determine that the video networking terminal has an authority to establish communication connection with the video networking server if the received attribute information is the same as the found attribute information;
and a third determining unit, configured to determine that the video networking terminal does not have the permission to establish communication connection with the video networking server if the received attribute information is different from the found attribute information.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, when the video network terminal is required to be connected to the video network, the user of the video network terminal is not required to control the video network terminal to actively establish the communication connection between the video network servers bound with the video network terminal, and the video network servers bound with the video network terminal can actively establish the communication connection with the video network terminal, and the communication connection establishment process is realized in a full-automatic manner without user participation, so that the problem that each video network terminal cannot be quickly and completely established with the respective video network server in a short time due to the fact that manual operation cannot be unified in time can be avoided, and further the delay of the process of starting the video network conference can be avoided.
Drawings
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
fig. 5 is a block diagram of a communication connection establishing system according to an embodiment of the present invention;
fig. 6 is a flowchart of the steps of an embodiment of a communication connection establishment method of the present invention;
fig. 7 is a block diagram showing an embodiment of a communication connection establishing apparatus according to the present invention;
fig. 8 is a block diagram showing an embodiment of a communication connection establishing apparatus according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204;
the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;
wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the data packet coming from the CPU module 204 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
DA SA Reserved Payload CRC
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
DA SA Reserved label (R) Payload CRC
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the characteristics of the video network, one of the core concepts of the embodiment of the invention is provided, the video network server actively establishes communication connection with the video network terminal according to the protocol of the video network, and the delay of starting the process of the video network conference can be avoided.
Referring to fig. 5, a block diagram of an embodiment of a communication connection establishment system according to the present invention is shown, where the system includes a video network terminal 01 and a video network server 02, the video network terminal 01 and the video network server 02 are in communication connection, interaction between the video network terminal 01 and the video network server 02 can be performed through the communication connection, and the video network terminal 01 includes devices such as a mobile phone, a tablet computer, and a desktop computer.
Referring to fig. 6, a flowchart illustrating steps of an embodiment of a communication connection establishment method according to the present invention is shown, where the method may be applied in a video network, and specifically may include the following steps:
in step S101, the video network server broadcasts an inquiry instruction, where the inquiry instruction is used to inquire attribute information, identification information, and a terminal address of a video network terminal that does not establish a communication connection with the video network server, and the inquiry instruction also carries a server address of the video network server;
in the embodiment of the invention, the video network server is connected to the video network, and when the video network terminal needs to be connected to the video network, the video network terminal needs to establish communication connection with the video network server, so that the video network terminal can be connected to the video network.
In practical situations, there are often many terminals of the video network that need to be connected to the video network, however, since one video network server can only establish communication connection with a certain number of terminals of the video network at most, in order to enable each terminal of the video network to be connected to the video network, a plurality of video network servers need to be preset, and a specific video network terminal needs to be bound to each video network server.
When a certain video network terminal needs to be connected to the video network, the video network terminal can only establish communication connection between video network servers bound with the video network terminal, but cannot establish communication connection between video network servers not bound with the video network terminal.
In the embodiment of the invention, the video network conference is often required to be started among a plurality of video network terminals, when the video network conference is required to be started among the plurality of video network terminals, the plurality of video network terminals are all required to be connected to the video network, if a user using each video network terminal respectively controls the video network terminal to actively establish communication connection with the video network server, as manual operation is often not uniform in time, each video network terminal can not be all quickly established communication connection with the respective video network server in a short time, and further the process of starting the video network conference can be delayed.
Therefore, in order to avoid delaying the opening of the video network conference, in the embodiment of the invention, the users of the video network terminals do not need to respectively control the video network terminals to actively establish the communication connection with the video network server, but the video network server actively establishes the communication connection between the video network terminals bound with the video network server. Wherein, for each video network terminal, the communication connection with the video network server is established passively.
The embodiment of the present invention illustrates a process of establishing a communication connection between video network terminals bound to one of the video network servers in the video network, but the process is not limited to the scope of the present invention.
Under the normal condition, the terminal addresses of all the video network terminals bound with the video network server are not fixed and unchangeable, therefore, when the video network server needs to establish communication connection between the video network terminals bound with the video network server, the video network server cannot determine the terminal address of each video network terminal bound with the video network server at the moment, the terminal address of each video network terminal cannot be determined, the terminal address of each video network terminal cannot send a communication connection establishment instruction to each video network terminal, and further cannot establish communication connection between the video network terminal, therefore, the video network server firstly needs to determine the terminal address of the video network terminal which does not establish communication connection between the video network server and each video network terminal bound with the video network server.
In order to determine the terminal address of the video network terminal which is not in communication connection with the video network server in each video network terminal bound with the video network server, the video network server needs to broadcast an inquiry instruction, the inquiry instruction is used for inquiring the attribute information and the terminal address of the video network terminal which is not in communication connection with the video network server, and the inquiry instruction also carries the server address of the video network server.
Wherein the server addresses of different video network servers are different.
In step S102, the terminal of the video network receives the query command broadcasted by the video network server;
in the embodiment of the invention, the video networking terminal which establishes the communication connection with the video networking server does not need to establish the communication connection with the video networking server. And the video network terminal which does not establish communication connection with the video network server needs to establish communication connection with the video network server.
Therefore, only after receiving the query instruction, the terminal of the video network, which is not in communication connection with the video network server, needs to execute step S103. And the video network terminal which establishes communication connection with the video network server directly discards the query instruction after receiving the query instruction, namely does not process the query instruction.
In step S103, the terminal of the video network acquires attribute information, identification information and a terminal address of the terminal of the video network;
in the embodiment of the invention, the attribute information comprises type information, model information, version information and topology information of the video network terminals, and the attribute information of different video network terminals is different.
The type information is used for indicating that the video networking terminal is a mobile phone, a tablet computer, a desktop computer, intelligent glasses, an intelligent bracelet or a notebook computer and the like.
The same type of terminal includes a plurality of models of terminals.
The version information is a version of an operating system of the video network terminal or a version of an application installed in the video network terminal.
The topology information is used for indicating the topology structure of the terminal of the video network.
The attribute information and the identification information of the video network terminal are stored in the video network terminal in advance locally, so that the video network terminal can obtain the attribute information and the identification information of the video network terminal from the local in the step.
The identification information of different video network terminals is different. The identification information may be a Media Access Control (MAC) address or an International Mobile Equipment Identity (IMEI) of the terminal of the video network, and the like.
Wherein, the terminal addresses of different video network terminals are different.
In step S104, the terminal of the video network extracts the server address from the query instruction;
in step S105, the terminal of the internet of view sends the attribute information, the identification information and the terminal address to the server of the internet of view according to the server address;
in step S106, the video network server receives the attribute information, the identification information and the terminal address sent by the video network terminal;
in step S107, the video network server determines whether the video network terminal has the authority to establish communication connection with the video network server according to the attribute information and the identification information;
in the embodiment of the invention, when the video network terminal bound with a certain video network server needs to be connected with the video network, the video network terminal can only establish communication connection with the video network server, namely, only the video network terminal bound with the video network server has the authority of establishing communication connection with the video network server.
Therefore, when the video network server binds the video network terminal in advance, the video network server sends an acquisition request of the attribute information and the identification information of the video network terminal to the video network terminal, so that the video network terminal sends the attribute information and the identification information of the video network terminal to the video network server, then the identification information and the attribute information form a corresponding table entry and are stored in the corresponding relation between the stored identification information of the video network terminal and the stored attribute information of the video network terminal, and the video network terminal and the video network server are bound.
Therefore, in this step, it is necessary to determine whether the video network terminal is a video network terminal bound to the video network server, so as to avoid that the video network terminal which does not have the authority to establish a communication connection with the video network server establishes a communication connection with the video network server.
Specifically, the attribute information corresponding to the received identification information may be searched in the correspondence between the stored identification information and attribute information of the terminal of the video network; determining whether the received attribute information is the same as the searched attribute information; if the received attribute information is the same as the searched attribute information, determining that the video network terminal has the permission to establish communication connection with the video network server; and if the received attribute information is different from the searched attribute information, determining that the video network terminal does not have the authority of establishing communication connection with the video network server.
In step S108, if the terminal has the authority to establish communication connection with the video network server, the video network server sends a communication connection establishment instruction to the video network terminal according to the terminal address;
after determining that the video network terminal has the authority to establish communication connection with the video network server, the video network server needs to establish communication connection with the video network terminal, wherein the video network server can send a communication connection establishment instruction to the video network terminal according to the terminal address.
Further, in order to avoid that the video networking server erroneously sends the establishment instruction to a video networking terminal which does not need to establish communication connection with the video networking server or a video networking terminal which does not have communication connection with the video networking server, so as to avoid that the video networking terminal which does not need to establish communication connection with the video networking server reestablishes communication connection with the video networking server or the video networking terminal which does not establish communication connection with the video networking server establishes communication connection with the video networking server, the establishment instruction also needs to carry attribute information and identification information of the video networking terminal.
In step S109, the video network terminal receives the setup instruction sent by the video network server;
further, if the establishing instruction also carries attribute information and identification information. After the video network terminal arrives at the establishment instruction, it is necessary to extract the attribute information and the identification information from the establishment instruction, and determine whether the attribute information carried in the establishment instruction is the same as the locally stored attribute information, and determine whether the identification information carried in the establishment instruction is the same as the locally stored identification information,
if the attribute information carried in the establishment instruction is the same as the locally stored attribute information and the identification information carried in the establishment instruction is the same as the locally stored identification information, it is determined that the video network server needs to establish a communication connection with the local, and then step S110 is executed.
If the attribute information carried in the establishing instruction is different from the locally stored attribute information or the identification information carried in the establishing instruction is different from the locally stored identification information, it is determined that the video networking server does not need to establish communication connection with the local, but the video networking server needs to establish communication connection with other video networking terminals corresponding to the identification information carried in the establishing instruction, and therefore the technical process is achieved.
In step S110, the video network terminal generates a response for establishing the communication connection according to the establishment instruction;
in another embodiment of the present invention, it is determined whether a time length between a transmission time when the attribute information, the identification information, and the terminal address are transmitted and a reception time when a communication connection establishment instruction transmitted by the video network server is received is less than a preset time length; and if the time length is shorter than the preset time length, the video networking terminal generates a communication connection establishment response according to the establishment instruction.
In step S111, the terminal of the internet of view sends the establishment response to the server of the internet of view according to the server address;
further, the method avoids that the video network terminal which does not need to establish the communication connection with the video network server reestablishes the communication connection with the video network server or the video network terminal which does not establish the communication connection with the video network server establishes the communication connection with the video network server, and the establishment response also needs to carry the attribute information and the identification information of the video network terminal.
In step S112, the video network server receives the establishment response sent by the video network terminal, so as to establish a communication connection between the video network server and the video network terminal.
Further, if the establishment response also carries attribute information and identification information. After the establishment response is sent to the video network server, the attribute information and the identification information need to be extracted from the establishment response,
then, in the corresponding relation between the stored identification information and the attribute information of the video network terminal, searching the attribute information corresponding to the identification information carried in the establishment response; determining whether the attribute information carried in the establishment response is the same as the searched attribute information; if the attribute information carried in the establishment response is the same as the searched attribute information, allocating a port for the video network terminal to realize the establishment of the communication connection between the video network server and the video network terminal; and if the attribute information carried in the establishment response is different from the searched attribute information, not allocating a port for the video network terminal so as to refuse to establish communication connection between the video network server and the video network terminal.
In the embodiment of the invention, when the video network terminal is required to be connected to the video network, the user of the video network terminal is not required to control the video network terminal to actively establish the communication connection between the video network servers bound with the video network terminal, and the video network servers bound with the video network terminal can actively establish the communication connection with the video network terminal, and the communication connection establishment process is realized in a full-automatic manner without user participation, so that the problem that each video network terminal cannot be quickly and completely established with the respective video network server in a short time due to the fact that manual operation cannot be unified in time can be avoided, and further the delay of the process of starting the video network conference can be avoided.
In another embodiment of the present invention, one video network terminal may be simultaneously bound with a plurality of video network servers, and the priorities of the different video network servers bound are different, and among the video network servers bound with the video network terminal, the video network terminal will often establish a communication connection with the video network server with a higher priority.
For example, in each video network server bound with the video network terminal, the video network terminal has already established communication connection with a video network server with a lower priority, and then a video network server with a higher priority sends a communication connection establishment instruction to the video network terminal, and at this time, the video network terminal sends an establishment response to the video network server with the higher priority, so as to establish communication connection between the video network server with the higher priority and the video network terminal.
At this time, the video network terminal establishes communication connection with two different video network servers respectively, however, the terminal generally uses the communication connection with the video network server with higher priority to send data to and from other video network terminals, but does not use the communication connection with the video network server with lower priority to send data to and from other video network terminals.
Therefore, the video network server with the lower priority does not normally receive the data sent by the video network terminal, and in order to save the network resources and the port resources of the video network server with the lower priority, if the data sent by the video network terminal is not received within the preset time length, the communication connection between the video network server with the lower priority and the video network terminal is disconnected, for example, the port reserved for the video network terminal by the video network server with the lower priority is released.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 7, a block diagram of a communication connection establishing apparatus according to an embodiment of the present invention is shown, where the apparatus may be applied to a video networking terminal, and specifically may include the following modules:
a first receiving module 11, configured to receive an inquiry instruction broadcast by a video network server; the query instruction is used for querying attribute information, identification information and a terminal address of the video network terminal, communication connection is not established between the video network terminal and the video network server, and the query instruction also carries the server address of the video network server;
an obtaining module 12, configured to obtain attribute information, identification information, and a terminal address of the video networking terminal;
an extracting module 13, configured to extract the server address from the query instruction;
a first sending module 14, configured to send the attribute information, the identification information, and the terminal address to the internet of things server according to the server address;
a second receiving module 15, configured to receive a communication connection establishment instruction sent by the video networking server, where the establishment instruction is sent by the video networking server to the video networking terminal after determining, according to the attribute information and the identification information, that the video networking terminal has a right to establish a communication connection with the video networking server;
a generating module 16, configured to generate a response to establish the communication connection according to the establishment instruction;
and a second sending module 17, configured to send the establishment response to the video networking server according to the server address, so as to implement establishment of a communication connection between the video networking server and the video networking terminal.
In an optional implementation, the apparatus further comprises:
the judging module is used for judging whether the time length between the sending time when the current terminal information and the terminal address are sent and the receiving time when the communication connection establishing instruction sent by the video networking server is received is less than the preset time length or not;
the generation module 16 is further configured to: and if the time length is less than the preset time length, generating a communication connection establishment response according to the establishment instruction.
In an optional implementation manner, the attribute information includes type information, model information, version information, and topology information of the video network terminal, and the attribute information of different video network terminals is different.
In the embodiment of the invention, when the video network terminal is required to be connected to the video network, the user of the video network terminal is not required to control the video network terminal to actively establish the communication connection between the video network servers bound with the video network terminal, and the video network servers bound with the video network terminal can actively establish the communication connection with the video network terminal, and the communication connection establishment process is realized in a full-automatic manner without user participation, so that the problem that each video network terminal cannot be quickly and completely established with the respective video network server in a short time due to the fact that manual operation cannot be unified in time can be avoided, and further the delay of the process of starting the video network conference can be avoided.
Referring to fig. 8, a block diagram of an embodiment of a communication connection establishing apparatus according to the present invention is shown, where the apparatus may be applied to a video network server, and specifically may include the following modules:
the broadcasting module 21 is configured to broadcast a query instruction, where the query instruction is used to query attribute information, identification information, and a terminal address of a video network terminal that does not establish a communication connection with the video network server, and the query instruction also carries a server address of the video network server;
a third receiving module 22, configured to receive attribute information, identification information, and a terminal address of the video network terminal, where the attribute information, the identification information, and the terminal address are returned by the video network terminal according to the query instruction;
a determining module 23, configured to determine, according to the attribute information and the identification information, whether the terminal in the video networking has a right to establish a communication connection with the video networking server;
a third sending module 24, configured to send a communication connection establishment instruction to the video network server according to the terminal address if the video network server has the authority to establish a communication connection with the video network server,
a fourth receiving module 25, configured to receive a setup response sent by the video networking terminal and returned according to the setup instruction, so as to implement establishment of a communication connection between the video networking server and the video networking terminal.
In an optional implementation manner, the attribute information includes type information, model information, version information, and topology information of the video network terminal, and the attribute information of different video network terminals is different.
In an optional implementation manner, the determining module 23 includes:
the searching unit is used for searching the attribute information corresponding to the identification information of the video network terminal in the corresponding relation between the stored identification information and the attribute information of the video network terminal;
a first determining unit, configured to determine whether the received attribute information is the same as the searched attribute information;
a second determining unit, configured to determine that the video networking terminal has an authority to establish communication connection with the video networking server if the received attribute information is the same as the found attribute information;
and a third determining unit, configured to determine that the video networking terminal does not have the permission to establish communication connection with the video networking server if the received attribute information is different from the found attribute information.
In the embodiment of the invention, when the video network terminal is required to be connected to the video network, the user of the video network terminal is not required to control the video network terminal to actively establish the communication connection between the video network servers bound with the video network terminal, and the video network servers bound with the video network terminal can actively establish the communication connection with the video network terminal, and the communication connection establishment process is realized in a full-automatic manner without user participation, so that the problem that each video network terminal cannot be quickly and completely established with the respective video network server in a short time due to the fact that manual operation cannot be unified in time can be avoided, and further the delay of the process of starting the video network conference can be avoided.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The method and the apparatus for establishing a communication connection provided by the present invention are described in detail above, and a specific example is applied in the text to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A communication connection establishment method is applied to a video network terminal, and comprises the following steps:
receiving an inquiry instruction broadcasted by the internet-of-things server; the query instruction is used for querying attribute information, identification information and a terminal address of the video network terminal, communication connection is not established between the video network terminal and the video network server, and the query instruction also carries the server address of the video network server;
acquiring attribute information, identification information and a terminal address of the video network terminal;
extracting the server address from the query instruction;
sending the attribute information, the identification information and the terminal address to the video network server according to the server address;
receiving a communication connection establishment instruction sent by the video networking server, wherein the establishment instruction is sent to the video networking terminal after the video networking server determines that the video networking terminal has the authority of establishing communication connection with the video networking server according to the attribute information and the identification information;
generating a communication connection establishment response according to the establishment instruction;
and sending the establishment response to the video networking server according to the server address so as to establish the communication connection between the video networking server and the video networking terminal.
2. The method of claim 1, further comprising:
judging whether the time length between the sending time when the current terminal information and the terminal address are sent and the receiving time when the communication connection establishment instruction sent by the video network server is received is less than the preset time length or not;
and if the time length is less than the preset time length, executing the step of generating the establishment response of the communication connection according to the establishment instruction.
3. The method according to claim 1, wherein the attribute information comprises type information, model information, version information and topology information of the terminals of the video network, and the attribute information of different terminals of the video network is different.
4. A communication connection establishment method is applied to a video networking server, and comprises the following steps:
broadcasting a query instruction, wherein the query instruction is used for querying attribute information, identification information and a terminal address of a video network terminal which does not establish communication connection with the video network server, and the query instruction also carries the server address of the video network server;
receiving attribute information, identification information and a terminal address of the video network terminal returned by the video network terminal according to the query instruction;
determining whether the video network terminal has the authority of establishing communication connection with the video network server according to the attribute information and the identification information;
if the terminal has the authority of establishing communication connection with the video network server, the terminal sends a communication connection establishment instruction to the video network terminal according to the terminal address,
and receiving a set-up response returned according to the set-up instruction and sent by the video network terminal so as to establish the communication connection between the video network server and the video network terminal.
5. The method according to claim 4, wherein the attribute information comprises type information, model information, version information and topology information of the terminals of the video network, and the attribute information of different terminals of the video network is different.
6. The method according to claim 5, wherein the determining whether the terminal of the video network has the authority to establish the communication connection with the video network server according to the attribute information and the identification information comprises:
searching attribute information corresponding to the identification information of the video network terminal in the corresponding relation between the stored identification information and the attribute information of the video network terminal;
determining whether the received attribute information is the same as the searched attribute information;
if the received attribute information is the same as the searched attribute information, determining that the video network terminal has the permission of establishing communication connection with the video network server;
and if the received attribute information is different from the searched attribute information, determining that the video network terminal does not have the authority of establishing communication connection with the video network server.
7. A communication connection establishing apparatus, applied to a video network terminal, the apparatus comprising:
the first receiving module is used for receiving the query instruction broadcasted by the internet-of-things server; the query instruction is used for querying attribute information, identification information and a terminal address of the video network terminal, communication connection is not established between the video network terminal and the video network server, and the query instruction also carries the server address of the video network server;
the acquisition module is used for acquiring the attribute information, the identification information and the terminal address of the video network terminal;
the extracting module is used for extracting the server address from the query instruction;
the first sending module is used for sending the attribute information, the identification information and the terminal address to the video network server according to the server address;
the second receiving module is used for receiving a communication connection establishment instruction sent by the video networking server, wherein the establishment instruction is sent to the video networking terminal after the video networking server determines that the video networking terminal has the authority of establishing communication connection with the video networking server according to the attribute information and the identification information;
the generating module is used for generating a communication connection establishment response according to the establishment instruction;
and the second sending module is used for sending the establishment response to the video network server according to the server address so as to establish the communication connection between the video network server and the video network terminal.
8. The apparatus of claim 7, further comprising:
the judging module is used for judging whether the time length between the sending time when the current terminal information and the terminal address are sent and the receiving time when the communication connection establishing instruction sent by the video networking server is received is less than the preset time length or not;
the generation module is further to: and if the time length is less than the preset time length, generating a communication connection establishment response according to the establishment instruction.
9. A communication connection establishing apparatus applied to a video network server, the apparatus comprising:
the broadcasting module is used for broadcasting a query instruction, the query instruction is used for querying attribute information, identification information and a terminal address of a video network terminal which is not in communication connection with the video network server, and the query instruction also carries the server address of the video network server;
the third receiving module is used for receiving the attribute information, the identification information and the terminal address of the video network terminal returned by the video network terminal according to the query instruction;
the determining module is used for determining whether the video network terminal has the authority of establishing communication connection with the video network server according to the attribute information and the identification information;
a third sending module, configured to send a communication connection establishment instruction to the video networking terminal according to the terminal address if the video networking server has the permission to establish communication connection with the video networking server,
and the fourth receiving module is used for receiving a building response which is sent by the video networking terminal and returned according to the building instruction so as to realize the establishment of the communication connection between the video networking server and the video networking terminal.
10. The apparatus of claim 9, wherein the determining module comprises:
the searching unit is used for searching the attribute information corresponding to the identification information of the video network terminal in the corresponding relation between the stored identification information and the attribute information of the video network terminal;
a first determining unit, configured to determine whether the received attribute information is the same as the searched attribute information;
a second determining unit, configured to determine that the video networking terminal has an authority to establish communication connection with the video networking server if the received attribute information is the same as the found attribute information;
and a third determining unit, configured to determine that the video networking terminal does not have the permission to establish communication connection with the video networking server if the received attribute information is different from the found attribute information.
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