CN111147798A - Group meeting method and device - Google Patents
Group meeting method and device Download PDFInfo
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- CN111147798A CN111147798A CN201911405931.9A CN201911405931A CN111147798A CN 111147798 A CN111147798 A CN 111147798A CN 201911405931 A CN201911405931 A CN 201911405931A CN 111147798 A CN111147798 A CN 111147798A
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- 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
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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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- 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
Abstract
The embodiment of the invention provides a conference combining method and a conference combining device, which are applied to video networking, wherein a signaling data packet is generated in a conference combining process of a video networking conference, the signaling data packet is encrypted through a Base64 encryption algorithm to obtain an encrypted signaling data packet, the encryption and decryption time consumption of a Base64 algorithm is less, the requirement on real-time performance can be met, the data safety is ensured, the encrypted signaling data packet is compressed through a compression algorithm to obtain a compressed signaling data packet, the data volume in the transmission process can be reduced through the compressed signaling data packet, the network bandwidth utilization rate can be reduced, and the compressed signaling data packet is transmitted to a terminal to be participated, so that the real-time performance and the data safety are balanced in the process, and the real-time transmission of data is realized on the premise of meeting the data safety.
Description
Technical Field
The invention relates to the technical field of video networking, in particular to a group meeting method and device.
Background
Because the video networking technology can realize real-time transmission of full-network high-definition audio and video, the video networking technology is increasingly applied to the field of audio and video conferences. With the increasing importance degree of people on data security year by year, the requirements on data security in audio and video conferences are increasingly strict.
At present, in an audio and video conference which is required by multiple parties to be carried out in a group, different data security mechanisms can be adopted, but the existing data security mechanisms cannot balance the data security and the transmission real-time performance of the audio and video conference, so that the requirements of related data security cannot be met.
Disclosure of Invention
In view of the above, embodiments of the present invention have been developed to provide a method and apparatus that overcome, or at least partially address, the above-discussed problems.
In order to solve the above problem, an embodiment of the present invention provides a rendezvous method applied to a video network, where the method includes:
generating a signaling data packet in the conference process of the video networking conference;
encrypting the signaling data packet by a Base64 encryption algorithm to obtain an encrypted signaling data packet;
compressing the encrypted signaling data packet through a compression algorithm to obtain a compressed signaling data packet;
and sending the compressed signaling data packet to a terminal to be participated.
Optionally, the video network comprises a first management system and a second management system, the first management system comprises a first autonomous server, the second management system comprises a second autonomous server, when the signaling data packet is the signaling data packet generated by the first management system,
the sending the compressed signaling data packet to the terminal to participate includes:
sending the compressed signaling data packet to the first autonomous server through the first session management system;
the compressed signaling data packet is sent to a first terminal to be participated through the first autonomous server; and the first terminal to be participated is a local terminal of the first pipe system.
Optionally, the sending the compressed signaling data packet to the terminal to participate includes:
sending the compressed signaling data packet to the first autonomous server through the first session management system;
sending the compressed signaling data packet to the second autonomous server through the first autonomous server;
the compressed signaling data packet is sent to a second participant terminal through the second autonomous server; and the second terminal to be participated is a terminal local to the second conference system.
Optionally, after the sending the compressed signaling data packet to the terminal to be participated, the method further includes:
decrypting the compressed signaling data packet by the terminal to be participated in by adopting a Base64 decryption algorithm to obtain a decrypted signaling data packet;
and decompressing the decrypted signaling data packet through the terminal to be participated in to obtain the signaling data packet, and adding the signaling data packet into the video networking conference according to the signaling data packet.
Optionally, the compression algorithm is a packetbi t algorithm.
In order to solve the above problem, an embodiment of the present invention provides a conference apparatus applied to a video network, where the apparatus includes:
the generation module is used for generating a signaling data packet in the conference-combining process of the video networking conference;
the encryption module is used for encrypting the signaling data packet through a Base64 encryption algorithm to obtain an encrypted signaling data packet;
the compression module is used for compressing the encrypted signaling data packet through a compression algorithm to obtain a compressed signaling data packet;
and the sending module is used for sending the compressed signaling data packet to the terminal to be participated.
Optionally, the video network comprises a first management system and a second management system, the first management system comprises a first autonomous server, the second management system comprises a second autonomous server, when the signaling data packet is the signaling data packet generated by the first management system,
the sending module comprises:
the first sending submodule is used for sending the compressed signaling data packet to the first autonomous server through the first messaging system;
the second sending submodule is used for sending the compressed signaling data packet to the first terminal to be participated through the first autonomous server; and the first terminal to be participated is a local terminal of the first pipe system.
Optionally, the sending module includes:
a third sending submodule, configured to send the compressed signaling data packet to the first autonomous server through the first session management system;
a fourth sending submodule, configured to send the compressed signaling data packet to the second autonomous server through the first autonomous server;
the fifth sending submodule is used for sending the compressed signaling data packet to a second conference waiting terminal through the second autonomous server; and the second terminal to be participated is a terminal local to the second conference system.
In order to solve the above problem, an embodiment of the present invention provides an electronic device, including:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform the set of methods described above.
In order to solve the above problem, an embodiment of the present invention provides a computer-readable storage medium storing a computer program that causes a processor to execute the above-mentioned rendezvous method.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, in the conference combining process of the video networking conference, the signaling data packet is generated, the signaling data packet is encrypted through the Base64 encryption algorithm to obtain the encrypted signaling data packet, the Base64 algorithm consumes less time for encryption and decryption, the real-time requirement can be met, the data safety is ensured, the encrypted signaling data packet is compressed through the compression algorithm to obtain the compressed signaling data packet, the compressed signaling data packet can reduce the data volume in the transmission process, the network bandwidth utilization rate can be reduced, and the compressed signaling data packet is transmitted to the terminal to be participated, so that the real-time performance and the data safety are balanced in the process, and the real-time transmission of the data is realized on the premise of meeting the data safety.
Drawings
FIG. 1 is a flowchart illustrating steps of a method for group meetings according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a team meeting in a video networking scenario according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating steps of a group conference method according to a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a team meeting in another video networking scenario provided by an embodiment of the invention;
fig. 5 is a block diagram illustrating a conference device according to a third embodiment of the present invention;
FIG. 6 illustrates a networking diagram of a video network of the present invention;
FIG. 7 is a diagram illustrating a hardware architecture of a node server according to the present invention;
fig. 8 shows a hardware architecture diagram of an access switch of the present invention;
fig. 9 is a schematic diagram illustrating a hardware structure of an ethernet protocol conversion gateway 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.
Referring to fig. 1, a flowchart illustrating steps of a conferencing method according to an embodiment of the present invention is shown, where the method may be applied to a video network, and specifically includes the following steps:
In the embodiment of the present invention, a technical solution of the embodiment of the present invention may be described in detail with reference to fig. 2.
The signaling data packet refers to a data packet for instructing a terminal to participate in the video networking conference, and the signaling data packet may include conference description information (such as conference subject, conference content, expected conference market, and the like) of the video networking conference, and may also include information indicating which video networking terminals join the video networking conference, and the like.
The group meeting process refers to a process of organizing the video networking terminals to participate in the video networking conference, and aims to summon all the terminals participating in the video networking conference.
Referring to fig. 2, a schematic diagram of a group meeting in a video networking scenario provided by an embodiment of the present invention is shown, as shown in fig. 2, in a group meeting process of a video networking meeting, a meeting management system (meeting pipe) at location a needs to pull terminal devices (terminals) at location a and terminal devices at location B into a meeting to perform the group meeting. The conference pipe of the A place generates a conference signaling data packet.
After the signaling packet is generated, step 502 is performed.
The encrypted signaling data packet is a signaling data packet obtained by encrypting the signaling data packet.
After the signaling data packet is generated, the conference pipe at the a place can encrypt the signaling data packet through a Base64 encryption algorithm to obtain an encrypted signaling data packet.
The Base64 encryption algorithm is one of the most common encoding methods for transmitting 8-Bit byte codes on a network, and the Base64 is a method for representing binary data based on 64 printable characters.
The embodiment performs encryption by adopting the Base64 encryption algorithm, so that the time consumption is less, the requirement on real-time performance can be met, and the data security can be ensured.
After the signaling data packet is encrypted by the Base64 encryption algorithm to obtain an encrypted signaling data packet, step 503 is performed.
After the signaling data packet is encrypted through the Base64 encryption algorithm to obtain the encrypted signaling data packet, the party A can compress the encrypted signaling data packet through the packetbit algorithm to obtain a compressed signaling data packet, and the compressed signaling data packet can reduce the data volume in the sending process and reduce the network bandwidth utilization rate.
The packetbit algorithm is a fast, simple lossless compression scheme for run-length encoding of data. This compression scheme is one of the types of compression that can be used in Image files (TIFF). Image files (TGA) also use this Run-Length Encoding (RLE) compression scheme, but treat the data stream as pixels rather than bytes. A packetbits data stream consists of data packets containing a byte header. The header is a signed byte; the data may be signed, unsigned or packed.
After the compressed signaling packet is obtained, step 504 is performed.
And step 504, sending the compressed signaling data packet to the terminal to be participated.
As shown in fig. 2, after the encrypted signaling data packet is compressed by the compression algorithm to obtain a compressed signaling data packet, the conference pipe at location a may send the compressed signaling data packet to the terminal at location a and the terminal at location B.
After the terminal at the A place and the terminal at the B place receive the compressed signaling data packet, the compressed signaling data packet can be decrypted by adopting a Base64 decryption algorithm to obtain an original signaling data packet, so that the original signaling data packet can be added into the video networking conference according to the original signaling data packet to achieve the purpose of grouping multiple terminals.
In the embodiment of the invention, in the conference combining process of the video networking conference, the signaling data packet is generated, the signaling data packet is encrypted through the Base64 encryption algorithm to obtain the encrypted signaling data packet, the Base64 algorithm consumes less time for encryption and decryption, the real-time requirement can be met, the data safety is ensured, the encrypted signaling data packet is compressed through the compression algorithm to obtain the compressed signaling data packet, the compressed signaling data packet can reduce the data volume in the transmission process, the network bandwidth utilization rate can be reduced, and the compressed signaling data packet is transmitted to the terminal to be participated, so that the real-time performance and the data safety are balanced in the process, and the real-time transmission of the data is realized on the premise of meeting the data safety.
Referring to fig. 3, a flowchart illustrating steps of a conferencing method according to a second embodiment of the present invention is shown, where the method may be applied to a video network, where the video network includes a first management system and a second management system, the first management system includes a first autonomous server, and the second management system includes a second autonomous server, and specifically includes the following steps:
In the embodiment of the present invention, a technical solution of the embodiment of the present invention may be described in detail with reference to fig. 4.
The signaling data packet refers to a data packet for instructing a terminal to participate in the video networking conference, and the signaling data packet may include conference description information (such as conference subject, conference content, expected conference market, and the like) of the video networking conference, and may also include information indicating which video networking terminals join the video networking conference, and the like.
The group meeting process refers to a process of organizing the video networking terminals to participate in the video networking conference, and aims to summon all the terminals participating in the video networking conference.
Referring to fig. 4, a schematic diagram of a group meeting in another video networking scenario provided by the embodiment of the present invention is shown, as shown in fig. 4, during the group meeting of a video networking conference, a conference management system (meeting pipe) at location a needs to pull terminal devices (terminals) at location a and terminal devices at location B into a conference to perform the group meeting. The conference management of the A place is equivalent to a first conference management system, the conference management of the B place is equivalent to a second conference management system, the conference management of the A place comprises a first autonomous server (A autonomous) and an encryption and decryption compression and decompression module (security module), and the conference management of the B place comprises a second autonomous server (B autonomous) and an encryption and decryption compression and decompression module (security module). Wherein, the conference pipe of the A place generates a conference signaling data packet.
After the signaling packet is generated, step 602 is performed.
As shown in fig. 4, the conference management at a may encrypt the signaling data packet in the security module through the Base64 encryption algorithm to obtain an encrypted signaling data packet.
The Base64 algorithm is one of the most common encoding methods for transmitting 8-Bit byte codes on a network, and the Base64 is a method for representing binary data based on 64 printable characters.
The embodiment performs encryption by adopting the Base64 encryption algorithm, so that the time consumption is less, the requirement on real-time performance can be met, and the data security can be ensured.
After the signaling data packet is encrypted by the Base64 encryption algorithm to obtain an encrypted signaling data packet, step 603 is performed.
As shown in fig. 4, after the signaling data packet is encrypted by the Base64 encryption algorithm to obtain an encrypted signaling data packet, the party management in location a may compress the encrypted signaling data packet by the packetbit algorithm in the security module to obtain a compressed signaling data packet, and the compressed signaling data packet may reduce the data amount in the sending process and may reduce the network bandwidth utilization rate.
The packetbit algorithm is a fast, simple lossless compression scheme for run-length encoding of data. This compression scheme is one of the types of compression that can be used in Image files (TIFF). Image files (TGA) also use this Run-Length Encoding (RLE) compression scheme, but treat the data stream as pixels rather than bytes. A packetbits data stream consists of data packets containing a byte header. The header is a signed byte; the data may be signed, unsigned or packed.
After the compressed signaling packet is obtained, step 604 is performed.
And step 604, sending the compressed signaling data packet to the terminal to be participated.
After the encrypted signaling data packet is compressed by the compression algorithm to obtain a compressed signaling data packet, the conference pipe at the a site can send the compressed signaling data packet to the terminal at the a site and the terminal at the B site.
After the terminal at the A place and the terminal at the B place receive the compressed signaling data packet, the compressed signaling data packet can be decrypted by adopting a Base64 decryption algorithm to obtain an original signaling data packet, so that the original signaling data packet can be added into the video networking conference according to the original signaling data packet to achieve the purpose of grouping multiple terminals.
In particular, the detailed description may be combined with the following specific implementations.
In a specific implementation manner of the present invention, the step 604 may include the following sub-steps:
and substep 6041, sending the compressed signaling data packet to the first autonomous server through the first packet management system when the signaling data packet is the signaling data packet generated by the first packet management system.
In this embodiment, as shown in fig. 4, when the conference management system (conference management) at location a needs to pull the terminal device (terminal) at location a and the terminal device at location B into the conference for group conference, the conference management at location a may generate a conference opening signaling packet, and then send the compressed signaling packet to the autonomous server at location a (i.e., the first autonomous server) through the scheduling module in the conference management at location a.
Substep 6042, sending the compressed signaling data packet to the first terminal to be participated through the first autonomous server; the first terminal to be participated is a local terminal of the first pipe system.
As shown in fig. 4, after the autonomous server at location a receives the compressed signaling data packet, the autonomous server at location a may send the compressed signaling data packet to the terminal device at location a, where the terminal device at location a is a terminal local to the conference management system (conference management) at location a.
Sub-step 6043, the compressed signaling packet is sent by the first autonomous server to the second autonomous server.
As shown in fig. 4, after the compressed signaling packet is received by the autonomous server at location a, the compressed signaling packet may be sent by the autonomous server at location a to the autonomous server at location B (i.e., the second autonomous server).
Substep 6044, sending the compressed signaling data packet to the second joining terminal through the second autonomous server; the second participating terminal is a terminal local to the second conference system.
As shown in fig. 4, after the compressed signaling packet is received by the B-site autonomous server, the B-site autonomous server may send the compressed signaling packet to a B-site terminal device (terminal), where the B-site terminal device is a terminal local to the B-site conference management system.
And step 605, decrypting the compressed signaling data packet by the to-be-participated terminal by adopting a Base64 decryption algorithm to obtain a decrypted signaling data packet.
After the terminal at the A site receives the compressed signaling data packet, the terminal at the A site can decrypt the compressed signaling data packet in a security module at the A site through a Base64 decryption algorithm to obtain a decrypted signaling data packet;
after receiving the compressed signaling data packet, the terminal at location B may decrypt the compressed signaling data packet in the security module at location B through the Base64 decryption algorithm to obtain a decrypted signaling data packet.
And 606, decompressing the decrypted signaling data packet by the terminal to be participated to obtain a signaling data packet, and adding the signaling data packet into the video networking conference according to the signaling data packet. After the terminal at the site a and the terminal at the site B obtain the decrypted signaling data packet, the decrypted signaling data packet may be decompressed in the corresponding security module by using a packetbit algorithm to obtain an original signaling data packet, and the original signaling data packet is added to the video networking conference according to the signaling data packet.
In addition, it should be noted that the conference stopping process of the video networking is similar to the conference group process, and only the content of the signaling data packet is adjusted accordingly, which is not described herein again in the embodiments of the present invention.
In the embodiment of the invention, in the conference combining process of the video networking conference, a signaling data packet is generated, the signaling data packet is encrypted by a Base64 encryption algorithm to obtain an encrypted signaling data packet, the Base64 algorithm has less time consumption for encryption and decryption, can meet the requirement of real-time performance and ensure the data safety, the encrypted signaling data packet is compressed by a compression algorithm to obtain a compressed signaling data packet, the compressed signaling data packet can reduce the data volume in the transmission process and can reduce the network bandwidth utilization rate, the compressed signaling data packet is transmitted to a terminal to be participated, the compressed signaling data packet is decrypted by the terminal to be participated by adopting a Base64 decryption algorithm to obtain a decrypted signaling data packet, the decrypted signaling data packet is decompressed by the terminal to obtain a signaling data packet, and the signaling data packet is added into the video networking conference according to the signaling data packet, in the meeting process, the real-time performance and the data security are balanced, and on the premise of meeting the data security, the data is transmitted in real time, so that the video network can develop the market in a specific industry.
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. 5, a block diagram of a conference combining apparatus provided in the third embodiment of the present invention is shown, where the conference combining apparatus 700 may be applied to a video network, and the apparatus specifically includes:
a generating module 701, configured to generate a signaling data packet in a conference group process of a video networking conference;
the encryption module 702 is configured to encrypt the signaling data packet by using a Base64 encryption algorithm to obtain an encrypted signaling data packet;
a compression module 703, configured to perform compression processing on the encrypted signaling data packet through a compression algorithm to obtain a compressed signaling data packet;
a sending module 704, configured to send the compressed signaling data packet to a terminal to be participated.
Optionally, the video network comprises a first management system and a second management system, the first management system comprises a first autonomous server, the second management system comprises a second autonomous server, when the signaling data packet is the signaling data packet generated by the first management system,
the sending module comprises:
the first sending submodule is used for sending the compressed signaling data packet to the first autonomous server through the first messaging system;
the second sending submodule is used for sending the compressed signaling data packet to the first terminal to be participated through the first autonomous server; and the first terminal to be participated is a local terminal of the first pipe system.
Optionally, the sending module includes:
a third sending submodule, configured to send the compressed signaling data packet to the first autonomous server through the first session management system;
a fourth sending submodule, configured to send the compressed signaling data packet to the second autonomous server through the first autonomous server;
the fifth sending submodule is used for sending the compressed signaling data packet to a second conference waiting terminal through the second autonomous server; and the second terminal to be participated is a terminal local to the second conference system.
Optionally, the apparatus further comprises:
the decryption module is used for decrypting the compressed signaling data packet by the to-be-participated terminal by adopting a Base64 decryption algorithm to obtain a decrypted signaling data packet;
and the decompression module is used for decompressing the decrypted signaling data packet through the terminal to be participated to obtain the signaling data packet and adding the signaling data packet into the video networking conference according to the signaling data packet.
Optionally, the compression algorithm is a packetbit algorithm.
In the embodiment of the invention, in the conference combining process of the video networking conference, the signaling data packet can be generated through the generation module, the signaling data packet is encrypted through the encryption module by the Base64 encryption algorithm to obtain the encrypted signaling data packet, the time consumption for encryption and decryption of the Base64 algorithm is low, the real-time requirement can be met, and the data safety is ensured, the encrypted signaling data packet is compressed through the compression module by the compression algorithm to obtain the compressed signaling data packet, the data quantity in the transmission process can be reduced by the compressed signaling data packet, the network bandwidth utilization rate can be reduced, and the compressed signaling data packet is transmitted to the terminal to be participated through the transmission module.
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.
An embodiment of the present invention further provides an electronic device, including:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform a method as set forth above.
Embodiments of the present invention also provide a computer-readable storage medium storing a computer program for causing a processor to execute the above-mentioned rendezvous method.
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. 6, 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. 7, 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. 8, the network interface module (downlink network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304 are mainly included;
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 incoming data packet of the CPU module 304 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 308 is configured by the CPU module 304, 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. 9, the system 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 MACSA of the ethernet coordination 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 networking, one of the core concepts of the embodiments of the present invention is provided, in the conference-joining process of the video networking conference, a signaling data packet is generated, the signaling data packet is encrypted through a Base64 encryption algorithm to obtain an encrypted signaling data packet, the Base64 algorithm consumes less time for encryption and decryption, the requirement of real-time performance can be met, and data security is ensured, the encrypted signaling data packet is compressed through a compression algorithm to obtain a compressed signaling data packet, the compressed signaling data packet can reduce the data amount in the transmission process, the network bandwidth utilization rate can be reduced, and the compressed signaling data packet is transmitted to the terminal to be participated, so that in the process, the real-time performance and the data security are balanced, and on the premise of meeting the data security, the real-time transmission of data is also achieved.
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 device for grouping the cameras provided by the invention are described in detail, specific examples are applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the 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 method for conferencing, for use in a video network, the method comprising:
generating a signaling data packet in the conference process of the video networking conference;
encrypting the signaling data packet by a Base64 encryption algorithm to obtain an encrypted signaling data packet;
compressing the encrypted signaling data packet through a compression algorithm to obtain a compressed signaling data packet;
and sending the compressed signaling data packet to a terminal to be participated.
2. The method of claim 1, wherein said visual networking comprises a first management system comprising a first autonomous server and a second management system comprising a second autonomous server, wherein when said signaling data packet is a signaling data packet generated by said first management system,
the sending the compressed signaling data packet to the terminal to participate includes:
sending the compressed signaling data packet to the first autonomous server through the first session management system;
the compressed signaling data packet is sent to a first terminal to be participated through the first autonomous server; and the first terminal to be participated is a local terminal of the first pipe system.
3. The method according to claim 2, wherein the sending the compressed signaling data packet to a terminal to participate comprises:
sending the compressed signaling data packet to the first autonomous server through the first session management system;
sending the compressed signaling data packet to the second autonomous server through the first autonomous server;
the compressed signaling data packet is sent to a second participant terminal through the second autonomous server; and the second terminal to be participated is a terminal local to the second conference system.
4. The method according to claim 1, further comprising, after said sending the compressed signaling data packet to a terminal to be participated:
decrypting the compressed signaling data packet by the terminal to be participated in by adopting a Base64 decryption algorithm to obtain a decrypted signaling data packet;
and decompressing the decrypted signaling data packet through the terminal to be participated in to obtain the signaling data packet, and adding the signaling data packet into the video networking conference according to the signaling data packet.
5. The method of claim 1, wherein the compression algorithm is a packetbit algorithm.
6. A group conference apparatus, for use in a video network, the apparatus comprising:
the generation module is used for generating a signaling data packet in the conference-combining process of the video networking conference;
the encryption module is used for encrypting the signaling data packet through a Base64 encryption algorithm to obtain an encrypted signaling data packet;
the compression module is used for compressing the encrypted signaling data packet through a compression algorithm to obtain a compressed signaling data packet;
and the sending module is used for sending the compressed signaling data packet to the terminal to be participated.
7. The apparatus of claim 6, wherein said visual networking comprises a first management system comprising a first autonomous server and a second management system comprising a second autonomous server, wherein when said signaling data packet is a signaling data packet generated by said first management system,
the sending module comprises:
the first sending submodule is used for sending the compressed signaling data packet to the first autonomous server through the first messaging system;
the second sending submodule is used for sending the compressed signaling data packet to the first terminal to be participated through the first autonomous server; and the first terminal to be participated is a local terminal of the first pipe system.
8. The apparatus of claim 7, wherein the sending module comprises:
a third sending submodule, configured to send the compressed signaling data packet to the first autonomous server through the first session management system;
a fourth sending submodule, configured to send the compressed signaling data packet to the second autonomous server through the first autonomous server;
the fifth sending submodule is used for sending the compressed signaling data packet to a second conference waiting terminal through the second autonomous server; and the second terminal to be participated is a terminal local to the second conference system.
9. An electronic device, comprising:
one or more processors; and
one or more machine-readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the set of methods of any of claims 1-5.
10. A computer-readable storage medium storing a computer program for causing a processor to perform the method of any one of claims 1 to 5.
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