CN107959658B - A kind of Web conference method of data synchronization and its system - Google Patents
A kind of Web conference method of data synchronization and its system Download PDFInfo
- Publication number
- CN107959658B CN107959658B CN201610901958.7A CN201610901958A CN107959658B CN 107959658 B CN107959658 B CN 107959658B CN 201610901958 A CN201610901958 A CN 201610901958A CN 107959658 B CN107959658 B CN 107959658B
- Authority
- CN
- China
- Prior art keywords
- data
- service system
- synchrodata
- meeting
- application service
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The embodiment of the invention provides a kind of Web conference method of data synchronization and its system, the method is applied in the center service system and application service system in view networking, which comprises sends initialization information to center service system；Based on received synchronization parameter configuration information, the data channel link between the center service system is opened；It sends and is simultaneously indicated to the center service system；By the data channel link receiving device synchrodata, the device data of local cache is covered using the equipment synchrodata.It is synchronous that each application service system of the embodiment of the present invention can carry out bi-directional data with center service system by the configuration of synchronization parameter, solve data synchronization problems in the case of application service system distributed deployment simultaneously, and synchronous data transmission speed is fast, and the synchrodata of transmission is accurate.
Description
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of Web conference method of data synchronization and a kind of network
Conferencing data synchronization system.
Background technique
With the fast development of the network technology, the two-way communications such as video conference, video teaching the life of user, work,
Study etc. is widely available.It is being frequently necessary to be counted between center service system and application service system in video conference
According to synchronization, Lai Youhua video conference manages performance.
With the development of soft project, database embodies its value in terms of data storage.Including document data bank, close
It is type data, memory database etc..But it is also slightly inadequate in its ability notified in database synchronization and inversely, it can't lead to
It crosses simple configuration and constantly updates achieving the purpose that data and constantly notified.
By taking Microsoft's sqlserver database as an example, to accomplish that data synchronize and first need to meet windows operating system and want
It asks, and needs to open specific communication account right, it is synchronous that the mechanism for then recycling database distribution to subscribe to carries out data
Operation.During data are synchronous, the screening of synchrodata is inaccurate, can usually be mingled with unwanted data, and synchronous
Data capacity it is big, the transmission speed of synchrodata can also be reduced with the increase of data capacity.And in the prior art also
It can not achieve and the data in application service system are synchronized in center service system.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
A kind of Web conference method of data synchronization to solve the above problems and a kind of Web conference data system.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of Web conference method of data synchronization, the methods
Applied in the center service system and application service system in view networking, which comprises
Initialization information is sent to center service system；
Based on received synchronization parameter configuration information, the data channel link between the center service system is opened；
It sends and is simultaneously indicated to the center service system；
By the data channel link receiving device synchrodata, using the equipment synchrodata to local cache
Device data is covered.
Preferably, after described the step of sending synchronizing indication to the center service system, further includes:
The center service system is based on the received synchronizing indication, and the corresponding equipment of inquiry application service system is synchronous
Data；
The center service system is based on the synchronizing indication, the data between inquiry and the application service system
Channel link；
The equipment synchrodata is sent to the application by the data channel link by the center service system
Service system.
Preferably, described by the data channel link receiving device synchrodata, utilize the equipment synchrodata
The step of data of local cache are covered, comprising:
The device data of the received equipment synchrodata and local cache is compared, duplicate number is filtered out
According to；
The remaining equipment synchrodata carries out piecemeal processing after screening；
By piecemeal, treated that the equipment synchrodata covers the device data of local cache, the process of covering
In skip the duplicate data filtered out.
The embodiment of the invention also provides a kind of Web conference method of data synchronization, the method is applied in view networking
In center service system and application service system, which comprises
Application service system is initialized based on received initialization information, and generates synchronization parameter configuration information；
Based on the synchronization parameter configuration information, the data channel link between the application service system is opened；
The corresponding storage region of the meeting synchrodata is searched based on the received meeting synchrodata；
The meeting synchrodata is stored to the corresponding storage region.
Preferably, the storage region uses the storage mode of structuring, and data carry out piecemeal storage, in different memory blocks
Data link table data are subjected to logical connection by defining forerunner and rear molding.
Preferably, if the meeting synchrodata be real-time conferencing data, it is described by the meeting synchrodata store to
The step of corresponding storage region, comprising:
Original data in the corresponding storage region are covered using the meeting synchrodata；
The forerunner for modifying the meeting synchrodata chained list and rear molding, by the meeting synchrodata and other application service
The corresponding conferencing data of system carries out logical connection.
Preferably, described to store the meeting synchrodata if the meeting synchrodata is history conferencing data
The step of to the corresponding storage region, comprising:
The meeting synchrodata is stored to corresponding storage region；
The forerunner for modifying the meeting synchrodata chained list and rear molding, by the meeting synchrodata and other application service
The corresponding conferencing data of system carries out logical connection.
The embodiment of the invention also provides a kind of Web conference data synchronous systems, including center service system and application clothes
Business system, the application service system include:
Initialization module is requested, for sending initialization information to center service system；
First link configuration module is opened and the center service system for being based on received synchronization parameter configuration information
Data channel link between system；
Module is simultaneously indicated, is simultaneously indicated for being sent to the center service system；
Device data synchronization module, for being set using described by the data channel link receiving device synchrodata
Standby synchrodata covers the device data of local cache.
Preferably, the device data synchronization module further include:
Data comparison unit, for carrying out pair the device data of the received equipment synchrodata and local cache
Than filtering out duplicate data；
Piecemeal processing unit carries out piecemeal processing for the equipment synchrodata remaining after screening；
Data cover unit, for by piecemeal treated the equipment synchrodata to the device data of local cache into
The duplicate data filtered out are skipped in row covering during covering.
Preferably, the center service system includes:
Initialization module for being initialized based on received initialization information to application service system, and is generated same
Walk parameter configuration；
Second link configuration module is opened and the application service system for being based on the synchronization parameter configuration information
Between data channel link；
Storage region searching module, for searching the meeting synchrodata pair based on the received meeting synchrodata
The storage region answered；
Conferencing data synchronization module, for storing the meeting synchrodata to the corresponding storage region.
The embodiment of the present invention includes following advantages:
(1) characteristic of application of embodiment of the present invention view networking, each application service system being capable of matching by synchronization parameter
Set that carry out bi-directional data with center service system synchronous, while data are same in the case of solving application service system distributed deployment
Step problem；
(2) by the configuration of synchronization parameter, data synchronization service, synchrodata screening essence can selectively be carried out
Really, synchronous data capacity is reduced；
(3) memory module in the embodiment of the present invention is stored using block, can be in conjunction with dictionary index, by each application service
The data of system, which carry out partitioned storage, realizes data subregion synchronous transfer in conjunction with dictionary index, accelerates synchrodata biography
Defeated speed, the also more conducively accuracy of synchronous data transmission.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention；
Fig. 2 is a kind of hardware structural diagram of node server of the invention；
Fig. 3 is a kind of hardware structural diagram of access switch of the invention；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway；
Fig. 5 is a kind of step flow chart of Web conference method of data synchronization embodiment one of the invention；
Fig. 6 is a kind of step flow chart of Web conference method of data synchronization embodiment two of the invention；
Fig. 7 is the structural block diagram of application service system in a kind of Web conference data synchronous system embodiment of the invention；
Fig. 8 is the structural block diagram of center service system in a kind of Web conference data synchronous system embodiment of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat
Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or
National net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions
It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including
The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown)
Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
It connectsEnter interchanger:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
Corresponding flow identifier (stream-id) is then distributed, and enters switching engine module 303, is otherwise abandoned；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded:
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding reception and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 accessing network data package definition
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
| DA | SA | Reserved | Payload | CRC |
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just
There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic of view networking, one of the core concepts of the embodiments of the present invention is proposed, it then follows regard the association of networking
View, application service system request center service system initializes it, and generates synchronization parameter configuration information, according to synchronization
Parameter configuration opens the data channel link between center service system and application service system, thus by center service system
Device data in system is synchronized to application service system, the conferencing data in application service system can also be synchronized in it is genuinely convinced
Business system.
Referring to Fig. 5, a kind of step flow chart of Web conference method of data synchronization embodiment one of the invention is shown, it should
Method can be applied in center service system and application service system in view networking.The present embodiment is from application service system one
Side is illustrated, and specifically illustrates the method being synchronized to the device data in center service system in application service system, institute
The method of stating can specifically include following steps:
Step 501, initialization information is sent to center service system.
In the concrete realization, the initialization information packet sent when application service system is initialized to center service system request
Include service-number, location information etc..Center service system includes initialization application clothes to the initialization that application service system carries out
Business status data, essential information (address, port) of data channel link etc., and the data after initialization are sent to using clothes
Business system.
Step 502, it is based on received synchronization parameter configuration information, the data opened between the center service system are logical
Road link.
It should be noted that will be updated local configuration ginseng after application service system receives synchronization parameter configuration information
Number.Application service system carries out the synchronization of data according to the configuration parameter.Wherein, main according in synchronization parameter configuration information
The essential information of data channel link, to open the data channel link between center service system.
Step 503, Xiang Suoshu center service system sends synchronizing indication.
In a preferred example of an embodiment of the present invention, center service system can set for the distribution of each application service system
Standby access right can issue a command to down application service system in newly-increased or sweep equipment, and application service system receives
It sends and is simultaneously indicated to center service system after the instruction.
It should be noted that application service system sends synchronizing indication, transmission can be manually controlled by user, it can also be with
By the transmission of timing setting synchronizing indication, herein with no restrictions.
In an embodiment of the present invention, can also include: after the step 503
Sub-step 11, the center service system are based on the received synchronizing indication, and inquiry application service system is corresponding
Equipment synchrodata.
It is stored with application service hash table (also referred to as Hash table or hash table) in center service system, is according to key code
Value (Key value) and the data structure directly to access.It is come to visit by the way that key value is mapped to a position in table
Record is asked, to accelerate to search the corresponding data storage location of each application service system.It include: service in application service hash table
Number, the forerunner that is directed toward previous application service device data, be directed toward itself device data pointer and be directed toward next
The rear molding of application service device data.Application service hash table is used to quickly find each application service system according to service-number
It unites corresponding device data storage region.
Device data in center service system includes: with service-number be beginning address pointer, memory block size, set
Standby data link table and the device data of next application service refer to needle position.
The storage of data uses the storage mode of structuring in center service system, and data carry out piecemeal storage, memory block
Can be discontinuous, data can be carried out logical connection by defining forerunner and rear molding by the data link table in different memory blocks.
It in the concrete realization, include the corresponding service-number of application service system, center service system in the synchronizing indication
System finds out the finger needle position of corresponding device data chained list according to the service-number from application service hash table, and then replicates
A complete device data chained list is sent to application service system.
Sub-step 12, the center service system is based on the synchronizing indication, between inquiry and the application service system
The data channel link.
In the concrete realization, center service system inquires corresponding data channel link according to the service-number.
The equipment synchrodata is sent to by sub-step 13, the center service system by the data channel link
The application service system.
Step 504, by the data channel link receiving device synchrodata, using the equipment synchrodata to this
The device data of ground caching is covered.
In a preferred example of an embodiment of the present invention, the step 504 may include:
The device data of the received equipment synchrodata and local cache is compared, is filtered out by sub-step 21
Duplicate data.
Different equipment corresponds to different device numberings, and duplicate device data can be filtered out according to device numbering.
The equipment synchrodata remaining after screening is carried out piecemeal processing by sub-step 22；
Sub-step 23, by piecemeal, treated that the equipment synchrodata covers the device data of local cache,
The duplicate data filtered out are skipped during covering.
It should be noted that also needing to back up the data of local cache before covering local data.Back up it
Before whether need to verify memory space enough.If insufficient, need to distribute enough Coutinuous store space.
Deblocking processing data can filter out duplicate data, and when carrying out data cover, duplicate data can be with
Without covering, the continuity and integrality of data were not only guaranteed, but also reduce synchronous data volume.
In a preferred example of an embodiment of the present invention, the application service system includes dispatching service system.
Referring to Fig. 6, a kind of step flow chart of Web conference method of data synchronization embodiment two of the invention is shown, it should
Method can be applied in center service system and application service system in view networking.The present embodiment is from center service system one
Side is illustrated, and specifically illustrates the method being synchronized to the conferencing data in application service system in center service system, institute
The method of stating can specifically include following steps:
Step 601, application service system is initialized based on received initialization information, and generates synchronization parameter and matches
Confidence breath.
In the concrete realization, the initialization information packet sent when application service system is initialized to center service system request
Include service-number, location information etc..Center service system includes initialization application clothes to the initialization that application service system carries out
Business status data, essential information (address, port) of data channel link etc..And the data after initialization are sent to using clothes
Business system.
Step 602, it is based on the synchronization parameter configuration information, opens the data channel between the application service system
Link.
It should be noted that center service system according to distribute in synchronization parameter configuration information with application service system it
Between data channel link essential information, open and application service system between data channel link.
In a preferred example of an embodiment of the present invention, after the step 602, may include:
Sub-step 31, application service system configure in the data of time interval and upload that local meeting synchrodata uploads
Hold (information such as real-time conferencing data, history conferencing data, equipment state).
Sub-step 32, application service system are based on the received synchronization parameter configuration information, open and center service system
Data channel link between system；
Sub-step 33, the time interval of upload of the application service system based on configuration and the data content of upload, will be local
Meeting synchrodata is sent to center service system.
It should be noted that application service system, in carrying out meeting operation, passable meeting number searches meeting phase
The real time data of pass, pass through modification real-time conferencing data link table forerunner and rear molding come reach meeting dynamic data is carried out it is incremental
Operation.After the conference is over by all related real time data migrations of this meeting into history data store, while modifying history meeting
The forerunner for discussing data link table and rear molding.To reach point of real-time conferencing data and history conferencing data in application service system
From.Here real-time conferencing data and history conferencing data are used to be synchronized in center service system.
Step 603, the corresponding storage region of the meeting synchrodata is searched based on the received meeting synchrodata.
In center service system in application service hash table further include: service-number is directed toward previous application service meeting
The forerunner of data, be directed toward itself conferencing data pointer and be directed toward the rear molding of next application service conferencing data.Using
Service hash table is used to quickly find the corresponding conference data store region of each application service system according to service-number.
It is the address pointer started, conferencing data chained list that conferencing data in center service system, which includes: with service-number,
And the conferencing data of next application service refers to needle position.
In a preferred example of an embodiment of the present invention, the storage region uses the storage mode of structuring, data
Piecemeal storage is carried out, memory block can be discontinuous, and the data link table in different memory blocks can be incited somebody to action by defining forerunner and rear molding
Data carry out logical connection.
In the concrete realization, center service system finds out corresponding meeting from application service hash table according to service-number
The finger needle position of data link table, and then find out the corresponding storage region of meeting synchrodata.
Step 604, the meeting synchrodata is stored to the corresponding storage region.
In the concrete realization, the meeting synchrodata includes real-time conferencing data and history conferencing data.
When the meeting synchrodata of the receiving is real-time conferencing data, the step 604 may include:
Sub-step 31 covers original data in the corresponding storage region using the meeting synchrodata
Lid；
Sub-step 32, the forerunner for modifying the meeting synchrodata chained list and rear molding, by the meeting synchrodata and its
The corresponding conferencing data of its application service system carries out logical connection.
Forerunner and the rear molding of meeting synchrodata chained list are reassigned after covering, guarantee the meeting number of center service system
According to continuity in logic.
When the meeting synchrodata of the receiving is history conferencing data, the step 604 may include:
Sub-step 41 stores the meeting synchrodata to corresponding storage region；
Sub-step 42, the forerunner for modifying the meeting synchrodata chained list and rear molding, by the meeting synchrodata and its
The corresponding conferencing data of its application service system carries out logical connection.
In a preferred example of an embodiment of the present invention, the application service system includes dispatching service system.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
A kind of Web conference data synchronous system provided in an embodiment of the present invention includes center service system and application service
System.
Referring to Fig. 7, application service system in a kind of Web conference data synchronous system embodiment of the invention is shown
Structural block diagram, the application service system can specifically include following module:
Initialization module 701 is requested, for sending initialization information to center service system；
First link configuration module 702 is opened and the center service for being based on received synchronization parameter configuration information
Data channel link between system；
Module 703 is simultaneously indicated, is simultaneously indicated for being sent to the center service system；
Device data synchronization module 704, for by the data channel link receiving device synchrodata, using described
Equipment synchrodata covers the device data of local cache.
In a preferred example of an embodiment of the present invention, the device data synchronization module 704 may include:
Data comparison unit, for carrying out pair the device data of the received equipment synchrodata and local cache
Than filtering out duplicate data；
Piecemeal processing unit carries out piecemeal processing for the equipment synchrodata remaining after screening；
Data cover unit, for by piecemeal treated the equipment synchrodata to the device data of local cache into
The duplicate data filtered out are skipped in row covering during covering.
Referring to Fig. 8, center service system in a kind of Web conference data synchronous system embodiment of the invention is shown
Structural block diagram, the center service system can specifically include following module:
Initialization module 801 for being initialized based on received initialization information to application service system, and is generated
Synchronization parameter configuration information；
Second link configuration module 802 is opened and the application service system for being based on the synchronization parameter configuration information
Data channel link between system；
Storage region searching module 803, for searching the same step number of meeting based on the received meeting synchrodata
According to corresponding storage region；
Conferencing data synchronization module 804, for storing the meeting synchrodata to the corresponding storage region.
In a preferred example of an embodiment of the present invention, the conferencing data synchronization module 804 may include:
Conferencing data capping unit, if the meeting synchrodata for the receiving is real-time conferencing data, using described
Meeting synchrodata covers original data in the corresponding storage region；
Conference data store unit will be described if the meeting synchrodata for the receiving is history conferencing data
Meeting synchrodata is stored to corresponding storage region；
Conferencing data modifies unit, for modifying forerunner and the rear molding of the meeting synchrodata chained list, by the meeting
Synchrodata conferencing data corresponding with other application service system carries out logical connection.
For system embodiments, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
In conclusion a kind of Web conference method of data synchronization provided in an embodiment of the present invention and a kind of Web conference data
Synchronization system has the advantage that
(1) characteristic of application of embodiment of the present invention view networking, each application service system being capable of matching by synchronization parameter
It sets that carry out bi-directional data with center service system synchronous, while solving data in the case of application service distributed deployment and synchronize and asking
Topic；
(2) by the configuration of synchronization parameter, data synchronization service, synchrodata screening essence can selectively be carried out
Really, synchronous data capacity is reduced；
(3) memory module in the embodiment of the present invention is stored using block, can be in conjunction with dictionary index, by each application service
The data of system, which carry out partitioned storage, realizes data subregion synchronous transfer in conjunction with dictionary index, accelerates synchrodata biography
Defeated speed, the also more conducively accuracy of synchronous data transmission.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
It is synchronous with a kind of Web conference data to a kind of Web conference method of data synchronization provided by the present invention above to be
System, is described in detail, and used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention；Meanwhile for the general skill of this field
Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this
Description should not be construed as limiting the invention.
Claims (7)
1. a kind of Web conference method of data synchronization, which is characterized in that the method is applied to the center service system in view networking
In system and application service system, which comprises
Initialization information is sent to center service system, application is taken so that center service system is based on received initialization information
Business system is initialized, and generates synchronization parameter configuration information；
Based on received synchronization parameter configuration information, the data channel link between the center service system is opened；
It sends and is simultaneously indicated to the center service system；
By the data channel link receiving device synchrodata, using the equipment synchrodata to the equipment of local cache
Data are covered；
It is described to be based on received synchronization parameter configuration information, open the data channel link synchronization between the center service system
Before rapid, comprising:
Configure the data content of time interval and upload that local meeting synchrodata uploads；The data content includes: real-time
Conferencing data, history conferencing data, equipment state；
It is described to be based on received synchronization parameter configuration information, open the data channel link synchronization between the center service system
After rapid, comprising:
The time interval of the upload based on configuration and the data content of the upload, local meeting synchrodata is sent to
The center service system；
Wherein, it is relevant in real time to search the meeting by meeting number in carrying out meeting operation for the application service system
Data pass through the forerunner for modifying the conferencing data chained list and rear molding to reach and carry out being incremented by behaviour to the meeting dynamic data
Make；It is described after the conference is over by all related real time data migrations of the meeting into history data store, while modification is gone through
The forerunner of history conferencing data chained list and rear molding；
It is described by the data channel link receiving device synchrodata, using the equipment synchrodata to local cache
The step of device data is covered, comprising:
The device data of the received equipment synchrodata and local cache is compared, duplicate data are filtered out；
The remaining equipment synchrodata carries out piecemeal processing after screening；
By piecemeal, treated that the equipment synchrodata covers the device data of local cache, jumps during covering
Cross the duplicate data filtered out.
2. the method according to claim 1, wherein described send synchronizing indication to the center service system
After step, further includes:
The center service system is based on the received synchronizing indication, the corresponding same step number of equipment of inquiry application service system
According to；
The center service system is based on the synchronizing indication, the data channel between inquiry and the application service system
Link；
The equipment synchrodata is sent to the application service by the data channel link by the center service system
System.
3. a kind of Web conference method of data synchronization, which is characterized in that the method is applied to the center service system in view networking
In system and application service system, which comprises
Application service system is initialized based on received initialization information, and generates synchronization parameter configuration information；
Based on the synchronization parameter configuration information, the data channel link between the application service system is opened；
The corresponding storage region of the meeting synchrodata is searched based on received meeting synchrodata；
The meeting synchrodata is stored to the corresponding storage region；
Wherein, the storage region uses the storage mode of structuring, and data carry out piecemeal storage, the data in different memory blocks
Data are carried out logical connection by defining forerunner and rear molding by chained list；
It is described to be based on the synchronization parameter configuration information, open the data channel link step between the application service system
Later, further includes:
The application service system configures the data content of time interval and upload that local meeting synchrodata uploads；The number
It include: real-time conferencing data, history conferencing data, equipment state according to content；
The application service system is based on the received synchronization parameter configuration information, opens between the center service system
Data channel link；
The time interval of the upload of the application service system based on configuration and the data content of the upload, by described
Ground meeting synchrodata is sent to the center service system；
The application service system searches the relevant real time data of the meeting in carrying out meeting operation, through meeting number,
Pass through the forerunner for modifying the conferencing data chained list and rear molding to reach and carry out increment operation to the meeting dynamic data；It is described
After the conference is over by all related real time data migrations of the meeting into history data store, while modifying history meeting number
Forerunner and rear molding according to chained list.
4. according to the method described in claim 3, it is characterized in that, if the meeting synchrodata is real-time conferencing data, institute
State the step of storing the meeting synchrodata to the corresponding storage region, comprising:
Original data in the corresponding storage region are covered using the meeting synchrodata；
The forerunner for modifying the meeting synchrodata chained list and rear molding, by the meeting synchrodata and other application service system
Corresponding conferencing data carries out logical connection.
5. according to the method described in claim 3, it is characterized in that, if the meeting synchrodata be history conferencing data when,
Described the step of storing the meeting synchrodata to the corresponding storage region, comprising:
The meeting synchrodata is stored to corresponding storage region；
The forerunner for modifying the meeting synchrodata chained list and rear molding, by the meeting synchrodata and other application service system
Corresponding conferencing data carries out logical connection.
6. a kind of Web conference data synchronous system, which is characterized in that described including center service system and application service system
Application service system includes:
Initialization module is requested, for sending initialization information to center service system, so that center service system is based on receiving
Initialization information application service system is initialized, and generate synchronization parameter configuration information；
First link configuration module, for be based on received synchronization parameter configuration information, open with the center service system it
Between data channel link；
Module is simultaneously indicated, is simultaneously indicated for being sent to the center service system；
Device data synchronization module is used for through the data channel link receiving device synchrodata, same using the equipment
Step data covers the device data of local cache；
It is described to be based on received synchronization parameter configuration information, open the data channel link synchronization between the center service system
Before rapid, comprising:
Configure the data content of time interval and upload that local meeting synchrodata uploads；The data content includes: real-time
Conferencing data, history conferencing data, equipment state；
It is described to be based on received synchronization parameter configuration information, open the data channel link synchronization between the center service system
After rapid, comprising:
The time interval of the upload based on configuration and the data content of the upload, local meeting synchrodata is sent to
The center service system；
Wherein, it is relevant in real time to search the meeting by meeting number in carrying out meeting operation for the application service system
Data pass through the forerunner for modifying the conferencing data chained list and rear molding to reach and carry out being incremented by behaviour to the meeting dynamic data
Make；It is described after the conference is over by all related real time data migrations of the meeting into history data store, while modification is gone through
The forerunner of history conferencing data chained list and rear molding；
Wherein, the device data synchronization module further include:
Data comparison unit is sieved for comparing the device data of the received equipment synchrodata and local cache
Select duplicate data；
Piecemeal processing unit carries out piecemeal processing for the equipment synchrodata remaining after screening；
Data cover unit, for treated that the equipment synchrodata covers the device data of local cache by piecemeal
Lid skips the duplicate data filtered out during covering.
7. system according to claim 6, which is characterized in that the center service system includes:
Initialization module for initializing based on received initialization information to application service system, and generates synchronous ginseng
Number configuration information；
Second link configuration module is opened between the application service system for being based on the synchronization parameter configuration information
Data channel link；
Storage region searching module, for searching the corresponding storage of the meeting synchrodata based on received meeting synchrodata
Region；
Conferencing data synchronization module, for storing the meeting synchrodata to the corresponding storage region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901958.7A CN107959658B (en) | 2016-10-17 | 2016-10-17 | A kind of Web conference method of data synchronization and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901958.7A CN107959658B (en) | 2016-10-17 | 2016-10-17 | A kind of Web conference method of data synchronization and its system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107959658A CN107959658A (en) | 2018-04-24 |
| CN107959658B true CN107959658B (en) | 2019-04-26 |
Family
ID=61953384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610901958.7A Active CN107959658B (en) | 2016-10-17 | 2016-10-17 | A kind of Web conference method of data synchronization and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107959658B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361891B (en) * | 2018-10-08 | 2021-02-12 | 视联动力信息技术股份有限公司 | Data synchronization method and system in hierarchical conference |
| CN110224988B (en) * | 2019-05-10 | 2023-04-07 | 视联动力信息技术股份有限公司 | Image data processing method, system and device and storage medium |
| CN110557370B (en) * | 2019-07-30 | 2022-06-17 | 视联动力信息技术股份有限公司 | Method, system, electronic equipment and storage medium for pamir synchronization of terminal information |
| CN113079183B (en) * | 2021-04-25 | 2022-09-06 | 安徽科大擎天科技有限公司 | Inter-board communication system of distributed firewall and communication method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5481312A (en) * | 1994-09-12 | 1996-01-02 | At&T Corp. | Method of and apparatus for the transmission of high and low priority segments of a video bitstream over packet networks |
| CN1691667A (en) * | 2004-04-21 | 2005-11-02 | 华为技术有限公司 | Method for implementing inter-system data synchronization |
| CN1956452A (en) * | 2005-10-27 | 2007-05-02 | 华为技术有限公司 | Method, system, user terminal and server for implementing data synchronous |
| CN101183323A (en) * | 2007-12-10 | 2008-05-21 | 华中科技大学 | Data stand-by system based on finger print |
| CN102130774A (en) * | 2011-04-27 | 2011-07-20 | 苏州阔地网络科技有限公司 | Method and system for displaying microphone state of users in web conference |
| CN102750283A (en) * | 2011-04-20 | 2012-10-24 | 阿里巴巴集团控股有限公司 | Massive data synchronization system and method |
| CN104283901A (en) * | 2013-07-01 | 2015-01-14 | 亿览在线网络技术（北京）有限公司 | Distributed live broadcast background service system and distributed live broadcast background service method thereof |
| CN104572984A (en) * | 2015-01-04 | 2015-04-29 | 浪潮通用软件有限公司 | J2EE (Java 2 Enterprise Edition) project file remote synchronous change method and device |
| CN105491393A (en) * | 2015-12-02 | 2016-04-13 | 北京暴风科技股份有限公司 | Method for implementing multi-user live video business |
-
2016
- 2016-10-17 CN CN201610901958.7A patent/CN107959658B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5481312A (en) * | 1994-09-12 | 1996-01-02 | At&T Corp. | Method of and apparatus for the transmission of high and low priority segments of a video bitstream over packet networks |
| CN1691667A (en) * | 2004-04-21 | 2005-11-02 | 华为技术有限公司 | Method for implementing inter-system data synchronization |
| CN1956452A (en) * | 2005-10-27 | 2007-05-02 | 华为技术有限公司 | Method, system, user terminal and server for implementing data synchronous |
| CN101183323A (en) * | 2007-12-10 | 2008-05-21 | 华中科技大学 | Data stand-by system based on finger print |
| CN102750283A (en) * | 2011-04-20 | 2012-10-24 | 阿里巴巴集团控股有限公司 | Massive data synchronization system and method |
| CN102130774A (en) * | 2011-04-27 | 2011-07-20 | 苏州阔地网络科技有限公司 | Method and system for displaying microphone state of users in web conference |
| CN104283901A (en) * | 2013-07-01 | 2015-01-14 | 亿览在线网络技术（北京）有限公司 | Distributed live broadcast background service system and distributed live broadcast background service method thereof |
| CN104572984A (en) * | 2015-01-04 | 2015-04-29 | 浪潮通用软件有限公司 | J2EE (Java 2 Enterprise Edition) project file remote synchronous change method and device |
| CN105491393A (en) * | 2015-12-02 | 2016-04-13 | 北京暴风科技股份有限公司 | Method for implementing multi-user live video business |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107959658A (en) | 2018-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108023910B (en) | A kind of terminal monitoring method and system based on view networking | |
| CN106341515B (en) | A kind of monitoring method and device of terminal | |
| CN108063672B (en) | A kind of management method and device of video conference terminal | |
| CN108012106B (en) | A kind of method and system regarding networking monitoring source synchronous | |
| CN109743595A (en) | Terminal data synchronous method and device | |
| CN108881799A (en) | A kind of system and method carrying out view networked video meeting | |
| CN108810581A (en) | A kind of update method and device of menu | |
| CN107959658B (en) | A kind of Web conference method of data synchronization and its system | |
| CN108234178B (en) | A kind of method and apparatus being managed collectively menu file | |
| CN109889779A (en) | A kind for the treatment of method and apparatus of packet out-ordering | |
| CN109379254A (en) | A kind of detection method and system of the network connection based on video conference | |
| CN109660816A (en) | Information processing method and device | |
| CN109547731A (en) | A kind of methods of exhibiting and system of video conference | |
| CN108307212A (en) | A kind of file order method and device | |
| CN109284265A (en) | A kind of date storage method and system | |
| CN109462594A (en) | A kind of data processing method and system based on view networking | |
| CN110046222A (en) | A kind of intelligent answer method and system | |
| CN109857591A (en) | A kind of method and apparatus for transmitting data validation | |
| CN109729184A (en) | A kind of method and apparatus of view networking service processing | |
| CN109151519A (en) | A kind of configuration distribution method and system based on view networking | |
| CN109151061A (en) | A kind of date storage method and device | |
| CN109743360A (en) | A kind of information processing method and device | |
| CN109586851A (en) | Data transmission method and device based on view networking | |
| CN109067895A (en) | A kind of method and apparatus remotely controlled | |
| CN110391922A (en) | A kind of the version reminding method and device of business platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100000 Dongcheng District, Beijing, Qinglong Hutong 1, 1103 house of Ge Hua building. Applicant after: Video Link Power Information Technology Co., Ltd. Address before: 100000 Beijing Dongcheng District gogoa building A1103-1113 Applicant before: BEIJING VISIONVERA INTERNATIONAL INFORMATION TECHNOLOGY CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |