WO2018064939A1 - Procédé de reprise après sinistre d'une connexion de communication audio et vidéo, appareil et système - Google Patents

Procédé de reprise après sinistre d'une connexion de communication audio et vidéo, appareil et système Download PDF

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Publication number
WO2018064939A1
WO2018064939A1 PCT/CN2017/103394 CN2017103394W WO2018064939A1 WO 2018064939 A1 WO2018064939 A1 WO 2018064939A1 CN 2017103394 W CN2017103394 W CN 2017103394W WO 2018064939 A1 WO2018064939 A1 WO 2018064939A1
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WIPO (PCT)
Prior art keywords
user terminal
access resource
server
list
access
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PCT/CN2017/103394
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English (en)
Chinese (zh)
Inventor
王鹏
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腾讯科技（深圳）有限公司
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Publication of WO2018064939A1 publication Critical patent/WO2018064939A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
    • H04L67/145—Termination or inactivation of sessions, e.g. event-controlled end of session avoiding end of session, e.g. keep-alive, heartbeats, resumption message or wake-up for inactive or interrupted session
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone

Definitions

  • the present application relates to network communication technologies, and in particular, to an audio and video communication connection disaster tolerance method, device and system.
  • Audio and video communication technologies in daily chat, business meetings, smart home, distance education and medical services.
  • the application is endless. Audio and video communication brings great convenience to users. At the same time, it puts forward more and higher standards for existing functions. Users put forward higher requirements for whether the audio and video is successful or not.
  • the embodiment of the present application provides a method, device, and system for audio and video communication connection disaster tolerance.
  • the application provides an audio and video communication connection disaster recovery method, including:
  • the access resources synchronized from the configuration file server Determining an access resource that matches the user terminal in the source list;
  • connection request response message Sending a connection request response message to the user terminal, where the connection request response message includes an address of the access resource, so that the user terminal accesses the access resource according to the address.
  • the application provides an audio and video communication connection disaster recovery device, including:
  • a receiving unit configured to receive an audio and video communication connection request sent by the user terminal, where the connection request includes identifier information of the user terminal;
  • a requesting unit configured to request, by the scheduling server, the access resource of the user terminal according to the identifier information of the user terminal;
  • the sending unit sends a connection request response message to the user terminal, where the connection request response message includes an address of the access resource, so that the user terminal accesses the access resource according to the address.
  • the present application further provides an audio and video communication connection disaster recovery system, including a policy control server, a scheduling server, a configuration file server, and at least one transit server;
  • the policy control server is configured to receive an audio and video communication connection request sent by the user terminal, where the connection request includes the identification information of the user terminal, and request, according to the identification information of the user terminal, the acquisition of the user terminal Entering a resource; in the case of failing to acquire the access resource, determining an access resource matching the user terminal from the access resource list synchronized by the configuration file server; sending a connection request response message to the user terminal, the connection request The response message includes an address of the access resource, so that the user terminal accesses the access resource according to the address;
  • the configuration file server is configured to generate an access resource list according to the resource information entered by the user, update the access resource list, synchronize the updated access resource list to the policy control server, and periodically report to the policy control server. Send a list of access resources;
  • the scheduling server is configured to receive a request for acquiring an access resource sent by the policy control server, and match the identifier of the user terminal carried in the request according to the identifier information of the user terminal carried in the request to the user terminal. Accessing the resource, and returning the access resource to the policy control server, where the access resource library includes operator information, an IP address, and real-time running parameter information of each transit server;
  • the relay server is configured to transfer data of the user terminal.
  • the embodiment of the present application further provides a non-transitory computer readable storage medium storing machine readable instructions, the machine readable instructions being executable by a processor to perform the following operations:
  • an access resource matching the user terminal is determined from the access resource list synchronized by the configuration file server;
  • connection request response message Sending a connection request response message to the user terminal, where the connection request response message includes an address of the access resource, so that the user terminal accesses the access resource according to the address.
  • the present invention synchronizes the access resource list in the configuration file server to the policy control server, and after receiving the audio and video communication connection request sent by the user terminal, requests the acquisition of the optimal access resource of the user terminal from the scheduling server, and obtains the most If the access resource fails, the user terminal is selected from the locally stored access resource list to ensure that the scheduling assignment fails or the scheduling server fails.
  • the user terminal can still establish an audio-video communication connection smoothly. Improve the user experience.
  • 1 is an exemplary system architecture of a method, apparatus, and system for applying audio and video communication connection disaster tolerance of the present application
  • FIG. 2 is a flowchart of a method for disaster tolerance of an audio and video communication connection provided by an embodiment of the present application
  • FIG. 3 is a flowchart of a method for determining a failure to obtain an optimal access resource according to an embodiment of the present application
  • FIG. 4 is a flowchart of a method for determining an access resource according to an embodiment of the present application
  • FIG. 5 is a flowchart of a method for receiving and storing an access resource list according to an embodiment of the present application
  • 6a to 6c are flowcharts of a method for calculating an optimal access resource of a user terminal in an embodiment of the present application
  • FIG. 7 is a schematic structural diagram of an apparatus for disaster recovery of an audio and video communication connection provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an apparatus for disaster tolerance of an audio and video communication connection provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of components of each unit of an apparatus for audio and video communication connection disaster tolerance provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a computer system for implementing a terminal device or a server according to an embodiment of the present application.
  • the two parties need to perform scheduling allocation on the access resources, and the scheduling allocation is a very complicated allocation strategy, which requires an independent system to maintain, when the request scheduling assignment fails or the scheduling system fails.
  • the audio and video connection access of both users may be directly failed, which may result in the inability to establish audio and video communication, which may cause a bad experience for the user.
  • FIG. 1 illustrates an exemplary system architecture of a method, apparatus, and system for an audio-video communication connection disaster tolerance to which the present application can be applied.
  • the system architecture may include a user terminal 100, a policy control server 200, a dispatch server 300, a profile server 400, and a plurality of relay servers 500.
  • the relay server 500 is used for data transfer, the relay server 500 and the dispatch server 300 are connected through a network, and the dispatch server 300 is configured to acquire operating parameters of each transit server 500; the policy control server 200 and the dispatch server 300 are connected through a network, and the configuration file server 400 passes
  • the network is connected to the policy control server 200 and the dispatch server 300, respectively, and the user terminal 100 and the policy control server 200 are connected through a network.
  • the network is a medium for providing a communication link between the terminal and the server or between the server and the server, and may include various connection types, such as a wired, wireless communication link, or a fiber optic cable.
  • the user can interact with the policy control server 200 through the network using the user terminal 100 to receive or send a message or the like.
  • User terminal 100 can be a variety of electronic devices having display screens including, but not limited to, smartphones, tablets, portable computers, desktop computers, and the like.
  • client applications can be installed on the user terminal, for example, search applications, instant messaging tools, email clients, social platform software, web browser applications, shopping applications.
  • the policy control server 200 may be a server that provides various services, for example, a server that processes audio and video access requests sent by the user terminal 100; the scheduling server 300 may acquire operating parameters of the respective transit servers, and may also access the policy control server 200.
  • the sent request is processed; the configuration file server 400 can acquire the access resource data, and synchronize the access resource data to the policy control server 200, so that the policy control server 200 can fail from the request for the access server 300 to access the resource.
  • One of the access resource data is selected and returned to the user terminal 100.
  • the audio and video connection disaster tolerance method provided by the embodiment of the present application may be The user terminal 100, the policy control server 200, the dispatch server 300, the configuration file server 400, and the relay server 500 are executed in combination.
  • the number of user terminal 100, policy control server 200, scheduling server 300, profile server 400, and relay server 500 in FIG. 1 is merely illustrative. The number can be set according to the implementation needs.
  • the present application provides the following method, device and system for audio and video communication connection disaster tolerance.
  • the embodiment of the present application provides a method for audio and video connection disaster tolerance, and it should be noted that the steps shown in the flowchart of the drawing may be performed in a computer system such as a set of computer executable instructions, and although The logical order is shown in the flowchart, but in some cases the steps shown or described may be performed in a different order than the ones described herein.
  • the audio and video connection disaster recovery method provided in this embodiment includes the following steps:
  • S201 Receive an audio and video communication connection request sent by the user terminal, where the connection request includes identifier information of the user terminal.
  • the user sends a request to establish an audio-video communication connection by using the user terminal, where the request carries the identification information of the user terminal.
  • the identifier information of the user terminal is information that can identify the operator to which the user terminal belongs.
  • the identifier information is an Internet Protocol Address.
  • Each IP address consists of two parts: the network ID and the host ID.
  • the network ID identifies all the hosts on the same physical network.
  • the host ID identifies each host on the physical network. By analyzing the IP address, the carrier information of the terminal can be known.
  • the IP address of the user terminal is carried, so that the scheduling server searches for the information of the access resource in the access resource library according to the IP address of the user terminal.
  • an access resource is determined from the locally stored access resource list.
  • the access resource list is synchronized from the configuration file server.
  • connection request response message Send a connection request response message to the user terminal, where the connection request response message includes an address of the access resource.
  • the information about the determined access resource is returned to the user terminal, and the access resource is the transit server, and the access resource information includes the IP address of the transit server, so that the user terminal establishes a connection with the transit server according to the IP address.
  • the present invention synchronizes the access resource list in the configuration file server to the policy control server, and after receiving the audio and video communication connection request sent by the user terminal, requests the acquisition resource of the user terminal from the scheduling server to obtain the access resource.
  • an access resource is selected from the locally stored access resource list to return to the user terminal to ensure that the scheduling assignment fails or the scheduling server fails, the user terminal can still establish an audio and video communication connection smoothly, and improve the user experience.
  • the method for providing audio and video connection disaster tolerance provided by the application includes the following steps:
  • Step 1 receiving an audio and video communication connection request sent by the user terminal, where the connection request includes identification information of the user terminal;
  • Step 2 request, according to the identifier information of the user terminal, the scheduling server to obtain an optimal access resource of the user terminal;
  • Step 3 In the case of failing to obtain the optimal access resource, determine an access resource that matches the user terminal from the access resource list synchronized by the configuration file server;
  • Step 4 Send a connection request response message to the user terminal, where the connection request response message includes an address of the access resource.
  • the identifier information of the user terminal refers to an IP address of the user terminal.
  • the access resource refers to a relay server that the user terminal can connect to.
  • the optimal access resource refers to an optimal transit server that the user terminal can connect to. Specifically, whether the optimal access resource is measured, on the one hand, the CPU load, the inbound and outbound traffic, and the disk usage rate of the transit server can be considered. On the other hand, whether the operator to which the transit server belongs is the same as the operator to which the user terminal belongs, and can also consider the carrier's location domain, and comprehensively calculate the optimal access resources of the user terminal according to the foregoing two factors.
  • the access resource list records only the key information of the transit server, such as the carrier information and IP address of the transit server.
  • the requesting, by the scheduling server, the acquiring the optimal access resource of the user terminal according to the identifier information of the user terminal specifically includes:
  • S301 Send a request for acquiring an optimal access resource to the scheduling server, where the request includes the identifier information of the user terminal, so that the scheduling server obtains the optimal access resource of the user terminal from the access resource pool according to the identifier information. ;
  • the scheduling server includes an access resource library, and the scheduling server is further configured to collect working parameters of each transit server in real time, update data of the access resource library according to working parameters, and parse the request after receiving the request for obtaining the optimal access resource.
  • the IP address ie, the identification information
  • the IP address of the user terminal that is requested to be carried obtains the network operator information of the user terminal, and is in the access resource repository.
  • the time taken by the scheduling server to calculate the optimal access resource is not quantitative.
  • the timer can be started to start timing.
  • the time for example, 100 milliseconds
  • the return information of the scheduling server is not received or the return information does not carry the optimal access resource information, it may be determined that the access resource fails to be obtained from the scheduling server.
  • an access resource is selected from the local access resource list instead of the optimal access resource and returned to the user terminal.
  • the determining, by using the access resource list synchronized from the configuration file server, an access resource that matches the user terminal includes:
  • the operator information of the user terminal is obtained according to the identifier information of the user terminal, where the identifier information of the user terminal is an IP address of the user terminal.
  • the user terminal can smoothly establish a connection with the transit server.
  • determining, by the access resource list synchronized from the configuration file server, an access resource that matches the user terminal including: selecting an operation from a list of access resources synchronized by the configuration file server.
  • the business is China Telecom's transit server as an access resource. From the current operational data of each network, China Telecom has better performance and can meet the needs of most network connections. Therefore, the network operator can use the transit server of the telecommunications as an access resource.
  • the resource allocation can be temporarily and effectively performed. Although the optimal allocation effect cannot be achieved, the real-time audio and video communication can be established normally and the user experience is improved.
  • the method before the obtaining the optimal access resource fails, before determining an access resource that matches the user terminal from the access resource list that is synchronized by the configuration file server, the method further includes:
  • the access resource list includes the operator information of the transit server And IP address.
  • the receiving and storing the access resource list sent by the configuration file server includes:
  • S501 Receive a modified access resource list sent by the configuration file server, and a list of access resources periodically sent by the configuration file server.
  • the main function of the configuration file server is to provide a platform for editing and modifying the contents of the configuration file, and then synchronizing the results to the policy control server, thereby achieving a mechanism for managing and updating the application.
  • the user can enter the XML-like configuration format.
  • the configuration file server provides a set of API (Application Programming Interface) to the user to call to extract the required configuration amount.
  • the file can be synchronized to the specified directory according to the time set by the user for the user's process to reload.
  • the configuration file server receives the access resource data recorded by the user, and receives the access resource data sent by the scheduling server through the API, and updates the access resource list according to the received access resource data, once the access resource list is performed.
  • the write data is synchronized to the policy control server, in addition to write synchronization,
  • the timing synchronization mechanism can also be enabled, that is, when a fixed time point arrives, the profile server sends the access resource data to the policy control server, and the policy control server searches the locally stored access resource list according to the recently received access resource list. Update.
  • the scheduling server responds to the request of the policy server to obtain the optimal access resource of the user terminal, and calculates the optimal access resource of the user terminal by using any of the following methods.
  • 6a to 6c are flowcharts of a method for calculating an optimal access resource of a user terminal in an embodiment of the present application.
  • the method detects the access quality of audio and video communication networks of different network operators, and accesses corresponding user terminals to the network according to the detection result. Specifically, the following steps are included:
  • the scheduling server receives a request for acquiring an optimal access resource of the user terminal sent by the policy control server, and the scheduling server acquires network address information and geographic location information of the user terminal according to the request.
  • the network address information of the user terminal can be the Internet Protocol address of the user terminal.
  • the network address information of the user terminal can be used to know the network operator type of the network where the user terminal is located.
  • the geographic location information of the user terminal may be information about the location of the user terminal, such as Shanghai, Beijing, and the like. Of course, the geographical location information of the user terminal can also be obtained directly through the network address information of the user terminal.
  • the scheduling server obtains the access quality of the audio and video communication network corresponding to each network operator of the network terminal by querying the access resource library according to the obtained network address information and the geographical location information of the user terminal, for example, the client corresponds to the telecommunication operation.
  • the quality of the audio and video communication network access of the commercial corresponding to the access quality of the audio and video communication network of the mobile operator.
  • the audio and video communication network access quality here refers to the network packet loss rate and network delay of the network communication between the user terminal and the corresponding network operator.
  • the scheduling server corresponds to the network address information of the user terminal, and the user terminal corresponds to each The network operator of the network operator determines the quality of the audio and video communication network to determine the network operator that performs network communication with the user terminal, and further determines that the transit server corresponding to the network operator is the optimal access resource.
  • determining a network operator that performs network communication with the user terminal includes the following steps:
  • Step S131 Determine the first network operator of the user terminal according to the access quality of the audio and video communication network of each network operator corresponding to the user terminal.
  • the network operator with the best access quality of the audio and video communication network of the user terminal is determined as the first network operator, and the data in the access resource library is based on the actual network communication situation.
  • the real-time update is performed, so the first network operator may be different from the network operator of the network where the user terminal is located.
  • Step S132 Determine the second network operator of the user terminal according to the network address information of the user terminal.
  • the network operator with the best access quality of the audio and video communication network of the user terminal is determined as the second network operator. That is, the second network operator is the network operator of the network where the user terminal is located.
  • Step S133 Determine, according to the first network operator and the second network operator, a network operator that performs audio and video network communication with the user terminal. Specifically, the scheduling server determines whether the transit server or the second network operator corresponding to the second network operator is obtained as a small-scale operator, and if the scheduling server does not obtain the transit server or the second network operation corresponding to the second network operator. If the quotient is a small-scale operator, the first network operator is determined as a network operator that performs audio-video network communication with the user terminal; if the scheduling server acquires a transit server corresponding to the second network operator and the second network operator is not The small-scale operator determines the second network operator as the network operator that performs audio-video network communication with the user terminal.
  • FIG. 6b is another calculation of the optimal access resource of the user terminal in the embodiment of the present application Flow chart of the method.
  • the scheduling server collects the network state information of the user terminal in real time during the user's audio and video call, and uses a certain calculation method according to the network state information to analyze and calculate the network of the user to the transit server. Quality, and store this data in different modules at different granularities. Subsequently, when the user initiates the audio and video request, the scheduling server obtains an optimal access resource for the user terminal according to the historically stored network quality data. Specifically include:
  • Step S21 The scheduling server receives the request for acquiring the optimal access resource of the user terminal sent by the policy control server, and obtains the historical network quality data of the user terminal collected in advance and the historical network quality data of the interactive peer of the user terminal.
  • Step S22 Calculate a network access policy for performing multimedia interaction between the user terminal and the interactive peer end according to the historical network quality data of the user terminal, the historical network quality data of the interactive peer of the user terminal, and the preset rule.
  • Step S23 The obtained network access policy is provided to the user terminal and its interaction peer.
  • the step S21 includes: acquiring the login IP of the user terminal and its interaction peer according to the multimedia interaction request; searching the IP library according to the login IP of the user terminal and its interaction peer, and obtaining the user terminal and The geographic information of the user terminal and the geographic information of the interactive peer are used as the query granularity, and the historical network quality data collected and stored in advance is obtained, and the historical network quality data of the user terminal and the interaction of the user terminal are obtained. Historical network quality data at the opposite end.
  • step S22 includes: performing a Cartesian product on historical network quality data of the user terminal and historical network quality data of the interactive peer of the user terminal to obtain a comprehensive quality data table, the comprehensive quality data.
  • the table includes different network access policies and corresponding network quality data; the integrated quality data table is sorted according to the network quality data from small to large; and the network with the smallest network quality data in the comprehensive quality data table is obtained.
  • the access policy is used as a network access policy for performing multimedia interaction between the user terminal and its interacting peer.
  • the transit server corresponding to the network access policy with the smallest network quality data is the optimal access resource.
  • the method further comprises: collecting historical network quality data of the user terminal and historical network quality data of the interactive peer of the user terminal.
  • the specific method is: in the process of using the multimedia service by the user terminal, the scheduling server acquires the network quality status information reported by the user terminal, and the uplink network status information of the user terminal reported by the transit server where the user terminal is located; Calculating the comprehensive quality data of the user terminal to the transit server according to the network quality status information of the user terminal and the uplink network status information; and using the comprehensive quality data of the user terminal to the transit server as the history of the user terminal
  • the network quality data is stored at a corresponding granularity, which is a keyword for querying historical network quality data of the user terminal.
  • the step of calculating the comprehensive quality data of the user terminal to the transit server according to the network quality status information of the user terminal and the uplink network status information comprises: acquiring the network quality status information from the user terminal The end-to-end reception loss rate, delay, and jitter of the user terminal are obtained; the uplink packet loss rate of the user terminal to the transit server is obtained from the uplink network state information, and the uplink loss of the interactive peer of the user terminal is obtained.
  • the packet rate is calculated according to the uplink packet loss rate of the user terminal to the transit server, the end-to-end packet loss rate of the user terminal, and the uplink packet loss rate of the interactive peer of the user terminal.
  • Calculating the downlink packet loss rate of the server to the user terminal calculating, according to the uplink packet loss rate of the user terminal to the transit server, and the downlink packet loss rate of the transit server to the user terminal, The overall packet loss rate of the transit server; based on the integration of the user terminal to the transit server Packet delay and jitter calculation rate, and the user terminal to obtain the user terminal is located to the overall quality of data relay server.
  • FIG. 6c is a flowchart of another method for calculating an optimal access resource of a user terminal in the embodiment of the present application.
  • the weighting coefficient corresponding to the area is obtained according to the pre-divided area and the number of service access users corresponding to the area, and the weighting coefficient corresponding to the area is introduced to perform weighted random calculation, so as to consider the area and the service connection in the area.
  • the number of incoming users is allocated to the access point (ie, the optimal access resource), and accesses the allocated access point to obtain the service provided by the access point, so as to achieve access to the access point as close as possible, where the user is located.
  • the more the number of service access users in the area the higher the probability of accessing the access point set in the area, and the quality of the entire network and services can be improved.
  • the method specifically includes:
  • the step S31 includes: acquiring the number of service access users corresponding to each area in the pre-divided area; and taking the preset number of areas with the largest number of service access users; the calculated area coefficient is a weighting coefficient corresponding to a region in which the preset number of services accesses the largest number of users; calculating a region coefficient according to a corresponding proximity principle contrast and a principle strength of the proximity to the number of service access users corresponding to the region, where the region The coefficient is the weighting coefficient corresponding to the region.
  • the step S32 includes:
  • the S322 specifically includes: acquiring a corresponding weighting coefficient according to the area where the access point is located, and acquiring the total number of access points, the number of access points in the area where the access point is located, and the access point of the remaining area. a quantity; a product of the weighting coefficient, a vacancy rate corresponding to the access point, and an equalization coefficient, wherein the equalization coefficient is based on the total number of access points and the number of access points in an area where the access point is located And the number of access points in the remaining area is obtained; calculating the sum of the weighted vacancy rates to obtain the vacancy rate of the cluster.
  • the step S32 further includes: determining whether the access point is faulty, and if yes, setting a vacancy rate corresponding to the faulty access point to zero or a minimum value, if not, And the step of obtaining the corresponding weighting coefficient according to the area where the access point is located, and calculating the vacancy rate of the cluster by using the vacancy rate and the weighting coefficient corresponding to the access point.
  • the method for providing audio and video connection disaster tolerance adopts a timeout mechanism when acquiring the optimal access resource, and does not receive the optimal resource within a preset time after initiating the acquisition of the optimal access resource of the user terminal to the scheduling server.
  • the information is determined to be the failure to obtain the optimal access resource, and immediately determines that an access resource is returned from the local access resource list to the user terminal, thereby ensuring the access efficiency of the audio-video communication connection and improving the user experience.
  • the embodiment of the present application further provides an apparatus for implementing the foregoing method for disaster tolerance of audio and video communication connections.
  • the audio and video communication connection disaster tolerance device shown in FIG. 7-9 can be used to implement the audio and video communication connection disaster tolerance method described in the foregoing embodiment.
  • the apparatus includes: a receiving unit 710, a requesting unit 720, a determining unit 730, and a transmitting unit 740.
  • the receiving unit 710 is configured to receive an audio and video communication connection request sent by the user terminal, where the connection request includes identifier information of the user terminal;
  • the requesting unit 720 is configured to send to the scheduling server according to the identifier information of the user terminal. Requesting to obtain an optimal access resource of the user terminal;
  • the determining unit 730 determines, according to the failure of obtaining the optimal access resource, an access resource that matches the user terminal from the access resource list synchronized by the configuration file server;
  • the sending unit 740 sends a connection request response message to the user terminal, where the connection request response message includes an address of the access resource.
  • the receiving unit 710 can be used to perform step 1 in the foregoing embodiment of the present application; the requesting unit 720 can be used to perform step 2 in the foregoing embodiment of the present application; the determining unit 730 can be used to perform the steps in the foregoing embodiment of the present application.
  • the sending unit 740 can be used to perform step four in the foregoing embodiment of the present application.
  • the audio-video communication connection disaster-tolerant device further includes a list management unit 750, and the list management unit 750 is configured to receive and store an access resource list sent by the configuration file server, where the access resource list is Manually configured by the user or sent by the scheduling server to the configuration file server; the access resource list includes the operator information and IP address of the data relay server.
  • the list management unit 750 includes:
  • the receiving module 751 is configured to receive a modified access resource list sent by the configuration file server, and a list of access resources periodically sent by the configuration file server;
  • the update module 752 is configured to update the locally stored access resource list according to the recently received access resource list.
  • the request unit 720 includes:
  • the requesting module 721 is configured to send, to the scheduling server, a request for obtaining an optimal access resource, where the request includes the identifier information of the user terminal, so that the scheduling server obtains the most of the user terminal according to the identifier information from the access resource database.
  • the timing module 722 is configured to send a request for acquiring an optimal access resource to the scheduling server. After starting the timing;
  • the determining module 723 is configured to determine that the optimal access resource fails when the feedback message of the scheduling server is not received within the set time, or the feedback message of the scheduling server does not carry the optimal access resource information.
  • the determining unit 730 includes:
  • the parsing module 731 is configured to obtain the operator information of the user terminal according to the identifier information of the user terminal, where the identifier information of the user terminal is an IP address of the user terminal;
  • the first determining module 732 is configured to select, from the list of access resources synchronized by the configuration file server, a transit server that is the same as the operator of the user terminal as the access resource.
  • the second determining module 733 is configured to select, from the list of access resources that are synchronized by the configuration file server, an intermediation server whose carrier is a telecommunication as an access resource.
  • the storage medium mentioned may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
  • the medium of the program code may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
  • the present application further provides a system for audio and video communication connection disaster tolerance, the system comprising a policy control server, a scheduling server, a configuration file server and at least one relay server; wherein
  • the policy control server is configured to receive an audio and video communication connection request sent by the user terminal, where the connection request includes identification information of the user terminal, and request, according to the identification information of the user terminal, the acquisition server to obtain the most Excellent access resource; in the case of failure to obtain the optimal access resource, determine an access resource matching the user terminal from the access resource list synchronized by the configuration file server; send a connection request to the user terminal In response to the message, the connection request response message includes an address of the access resource;
  • the configuration file server is configured to generate an access resource list according to the resource information entered by the user, update the access resource list, synchronize the updated access resource list to the policy control server, and periodically report to the policy control server. Send a list of access resources;
  • the scheduling server is configured to receive a request for obtaining an optimal access resource, which is sent by the policy control server, and the user is matched from the access resource library according to the identifier information of the user terminal carried in the request in a preset time.
  • the optimal access resource of the terminal returns the optimal access resource to the policy control server, where the access resource library records the operator information, the IP address, and the real-time running parameter information of each transit server;
  • the scheduling server is further configured to synchronize key data in the access resource library to the configuration file server, where the key data includes carrier information and an IP address of the transit server;
  • the profile server is further configured to receive key information sent by the scheduling server, and update the access resource list according to the key information.
  • the policy control server is the device for disaster recovery of the audio and video communication connection described in the foregoing embodiment.
  • policy control server scheduling server, configuration file server, and relay server also include some other well-known structures, such as processors, memories, etc., in order to unnecessarily obscure the embodiments of the present disclosure, these well-known structures It is not shown in the drawings.
  • the current situation of the failure to establish a communication connection due to the failure of the access resource allocation is proposed, and a remedial measure is proposed, which is determined from the list of locally-selected access resources immediately after the access resource allocation fails.
  • An access resource ensures that the terminal can successfully establish a communication connection.
  • the disaster recovery method objectively takes into account the connection efficiency and can enhance the user experience.
  • FIG. 10 a schematic structural diagram of a computer system suitable for implementing the policy control server, the scheduling server, the configuration file server, or the relay server of the embodiment of the present application is shown.
  • computer system 1000 includes a central processing unit (CPU) 1001 that can be loaded into a program in random access memory (RAM) 1003 according to a program stored in read only memory (ROM) 1002 or from storage portion 1008. And perform various appropriate actions and processes.
  • RAM random access memory
  • ROM read only memory
  • RAM random access memory
  • various programs and data required for the operation of the system 1000 are also stored.
  • the CPU 1001, the ROM 1002, and the RAM 1003 are connected to each other through a bus 1004.
  • An input/output (I/O) interface 1005 is also coupled to bus 1004.
  • the following components are connected to the I/O interface 1005: an input portion 1006 including a keyboard, a mouse, etc.; an output portion 1007 including a cathode ray tube (CRT), a liquid crystal display (LCD), and the like, and a speaker; a storage portion 1008 including a hard disk or the like And a communication portion 1009 including a network interface card such as a LAN card, a modem, or the like.
  • the communication section 1009 performs communication processing via a network such as the Internet.
  • Driver 1010 is also coupled to I/O interface 1005 as needed.
  • a removable medium 1011 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like is mounted on the drive 1010 as needed so that a computer program read therefrom is installed into the storage portion 1008 as needed.
  • an embodiment of the present disclosure includes a computer program product comprising a computer program tangibly embodied on a machine readable medium, the computer program comprising program code for executing the method illustrated in the flowchart.
  • the computer program can be downloaded and installed from the network via the communication portion 1009, and/or installed from the removable medium 1011.
  • Each block in the flowchart or block diagram can represent a module, a program segment, or a portion of code that comprises one or more executable instructions for implementing the specified logical functions.
  • the functions noted in the blocks may also occur in a different order than that illustrated in the drawings. For example, two successively represented blocks may in fact be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending upon the functionality involved.
  • each block of the block diagrams and/or flowcharts, and combinations of blocks in the block diagrams and/or flowcharts can be implemented in a dedicated hardware-based system that performs the specified function or operation. Or it can be implemented by a combination of dedicated hardware and computer instructions.
  • the units involved in the embodiments of the present application may be implemented by software or by hardware.
  • the described unit may also be provided in the processor, for example, as a processor including a receiving unit, a requesting unit, a determining unit, and a transmitting unit.
  • the names of these units do not in any way constitute a limitation on the unit itself.
  • the present application further provides a non-volatile computer storage medium, which may be a non-volatile computer storage medium included in the apparatus described in the foregoing embodiments; It may be a non-volatile computer storage medium that exists alone and is not assembled into the terminal.
  • the non-volatile computer storage medium stores one or more programs, and when the one or more programs are executed by one device, causes the device to perform the following steps:
  • the first step is to receive an audio and video communication connection request sent by the user terminal, where the connection request includes identification information of the user terminal;
  • the scheduling server is requested to obtain the optimal access resource of the user terminal according to the identifier information of the user terminal;
  • the third step is to synchronize from the configuration file server when the optimal access resource fails. Determining an access resource that matches the user terminal in the accessed access resource list;
  • a connection request response message is sent to the user terminal, where the connection request response message includes an address of the access resource.
  • the disclosed audio and video communication connection disaster tolerance device can be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, unit or module, and may be electrical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Les modes de réalisation de la présente invention concernent un procédé de reprise après sinistre d'une connexion de communication audio et vidéo, comportant les étapes consistant à: synchroniser une liste de ressources d'accès dans un serveur de profils par rapport à un serveur de commande de politique; le serveur de commande de politique, après avoir reçu une demande de connexion de communication audio et vidéo émise par un terminal d'utilisateur, demander à acquérir une ressource d'accès de le terminal d'utilisateur à partir d'un serveur de programmation, et lors de l'acquisition d'une ressource d'accès échoue, sélectionner une ressource d'accès à partir d'une liste de ressources d'accès stockées localement et retourner au terminal d'utilisateur, s'assurant ainsi que le terminal d'utilisateur reste capable d'établir sans discontinuité une connexion de communication audio et vidéo lorsque l'attribution de programmation échoue ou un serveur de programmation est défectueux, et améliorant ainsi l'agrément d'utilisation. De façon correspondante, la présente invention concerne également un appareil et un système de reprise après sinistre d'une connexion de communication audio et vidéo.
PCT/CN2017/103394 2016-10-09 2017-09-26 Procédé de reprise après sinistre d'une connexion de communication audio et vidéo, appareil et système WO2018064939A1 (fr)

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CN112804105A (zh) * 2021-01-19 2021-05-14 上海七牛信息技术有限公司 一种在rtc网络中快速修复终端通信故障的方法及系统

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