WO2011131098A1 - Procédé, équipement et système de répartition de dispositifs - Google Patents

Procédé, équipement et système de répartition de dispositifs Download PDF

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Publication number
WO2011131098A1
WO2011131098A1 PCT/CN2011/072707 CN2011072707W WO2011131098A1 WO 2011131098 A1 WO2011131098 A1 WO 2011131098A1 CN 2011072707 W CN2011072707 W CN 2011072707W WO 2011131098 A1 WO2011131098 A1 WO 2011131098A1
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WO
WIPO (PCT)
Prior art keywords
standby
media server
service
server
media
Prior art date
Application number
PCT/CN2011/072707
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English (en)
Chinese (zh)
Inventor
许鑫
徐晋
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华为技术有限公司
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Publication of WO2011131098A1 publication Critical patent/WO2011131098A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a device scheduling method, apparatus, and system. Background technique
  • IPTV Internet Protocol Television
  • IP TV Internet Protocol Television
  • the IPTV system In order to meet the service requirements of large users, the IPTV system generally deploys service nodes in a layered and sub-regional manner, and provides services to users at the edge nodes as much as possible to reduce the load on the backbone network.
  • Each of the service nodes includes a plurality of media servers and storage devices, wherein the storage device is configured to store media content, and the media server is configured to perform read and write operations on the storage device. After the media server receives the request for playing the media content of the user terminal, the media data is read from the corresponding storage device and sent to the user terminal, and then decoded and played by the terminal device.
  • the IPTV system also includes various management devices for implementing media content management, user request scheduling, authentication and accounting, and value-added services.
  • the number of service nodes, the number of media servers, and the number of storage devices are mainly calculated according to the maximum number of concurrent users, the number of channel recordings, and the number of on-demand content.
  • the IPTV system can support 1 million concurrent users and 3000T of content storage.
  • the service capacity of a media server is 1000 users, and the capacity of a storage device is 5T.
  • the number of media servers and 600 storage devices are needed. Considering redundancy and backup, the number will increase accordingly.
  • the number of users will not reach the maximum number of concurrent users, and about half of the time is only about 10% of the maximum number of concurrent.
  • all media servers and storage devices of the entire system are always in operation regardless of the actual number of users, resulting in a large amount of device resources being idle, resulting in unnecessary power consumption waste and equipment loss. Summary of the invention
  • an embodiment of the present invention provides a device scheduling method, device, and system, so as to reduce idle device resources of an IPTV system, and the technical solution is as follows:
  • An embodiment of the present invention provides a device scheduling method, including:
  • An embodiment of the present invention further provides a device scheduling apparatus, including:
  • a user load obtaining unit configured to obtain current user load information of the IPTV system
  • a device standby control unit configured to determine, according to current user load information of the IPTV system obtained by the user load obtaining unit, whether the current user load of the system is Below the preset low load threshold, if yes, some of the devices in the system are adjusted to standby.
  • the embodiment of the present invention further provides a device scheduling system, where the system includes at least the foregoing device scheduling device and at least one media server.
  • FIG. 1 is a flow chart of an embodiment of a device scheduling method according to the present invention.
  • FIG. 2 is a flowchart of still another embodiment of a device scheduling method according to the present invention.
  • FIG. 3 is a schematic structural diagram of an apparatus scheduling apparatus according to another embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of still another embodiment of a device scheduling apparatus according to the present invention
  • FIG. 6 is a schematic structural diagram of still another embodiment of a device scheduling apparatus according to the present invention
  • FIG. 7 is a schematic structural diagram of still another embodiment of a device scheduling apparatus according to the present invention
  • FIG. 9 is a schematic structural diagram of still another embodiment of a device scheduling system according to the present invention.
  • S102 Determine whether the current user load is lower than a preset low load threshold. If yes, adjust some devices in the system to a standby state, where the device includes a media server.
  • the execution body of the above steps may be a scheduling server in the IPTV system, and the application of the embodiment of the present invention is applied in consideration of the fact that the user quantity does not reach the preset maximum number of concurrent users in most of the actual use.
  • the provided solution increases the current system user load and system capability automatic matching function for the scheduling server, and can control according to the current concurrent user amount.
  • the standby state in the embodiment of the present invention means that the device is in a sleep state, and the power consumption is only used to maintain the current device interruption information, or the device is in a power-off state, but can be powered on immediately after being activated.
  • the dispatch server may be responsible for transferring the user services on the device ready to enter the standby state to other devices that are in a running state.
  • the scheduling server will select to provide the user with the service by the device that is in the running state; that is, when the user terminal sends the service request again, the scheduling server will process the service originally processed by the device that has been adjusted to the standby state. Task, migrate to the device that is running.
  • the device in the standby state can be activated.
  • the scheduling server can also notify the content management server to update the content on the activated device to ensure these devices and other devices.
  • the content on the running device is synchronized.
  • the embodiment includes the following steps:
  • each media server periodically reports its own load status to the dispatching server, including the current number of concurrent users, and concurrent bandwidth consumption.
  • the scheduling server can perform real-time or periodic statistics on the total load of the media servers of the entire system.
  • the user load can be measured by the number of concurrent users, or the concurrent bandwidth consumption of the system.
  • 5202 Compare the current user load with a preset low load threshold.
  • At least one low load threshold is pre-configured, and after the scheduling server obtains the current user load of the system, the current user load of the system is compared with the low load threshold, that is, the sum of the current media server user loads of the system. Compare this low load threshold. If the current user load is lower than the preset low load threshold, the subsequent steps are further performed.
  • the adjustment object may include a media server, that is, the scheduling server adjusts some media servers in the IPTV system to a standby state.
  • the specific adjustment object is selected by the scheduling server, and the selected device is called a standby standby device.
  • the standby standby media standby media server does not process the new IPTV task, but needs to process the unprocessed business services on the server.
  • the standby standby device may also be selected in multiple ways: For example, according to the scheduled scheduling policy, the scheduling policy of the reservation is reserved: selecting not currently in service The device in the state or the device with the lower current load serves as the standby standby device, selects the media server at the edge node, selects the media server at the central node, or can randomly select some devices as the standby standby device.
  • the scheduling server further needs to check whether the determined standby standby device is currently in the service service state. If not, the standby standby device can be directly adjusted to the standby state. If the standby standby device is currently providing services to the user, that is, the standby standby device is currently in the service service state, it is necessary to first migrate the service task on the standby standby device to another device, and then adjust the standby standby device to wait for the service.
  • the specific method of service task migration may include the following steps:
  • media server A is determined to be a standby standby device, and the scheduling server queries the media server.
  • User connection information on A get information about what program the user is watching, the current playback mode, the time point being played, and so on.
  • S203b selecting, according to the current service content of the standby standby device media server A, a corresponding media server that is in a running state as the target device;
  • the dispatching server selects a running media server B as the target device, and prepares to take over the service of the media server A.
  • the current service mode of the standby standby device is to provide a pause play mode to the user terminal: if the current service mode of the standby standby device is to provide a pause play mode to the user terminal, establishing a media control channel with the target device, The media control channel notifies the target device of the pause time point, and instructs the target device to provide a service from the pause time point to the user terminal when the user terminal selects to continue playing.
  • the dispatch server establishes a media control channel with the media server B, notifies the media server B that the media content currently being played, and the current offer through the established media control channel. Suspending the play mode, the time point of the pause, and instructing the media server B to send the media stream from the pause time point to the user terminal when the user selects to continue playing, and then the dispatch server can disconnect the media control channel with the media server A. . Thereafter, when the user selects "Continue Play", the media stream will continue to be sent to the user from the location of the pause time point by the media server B.
  • the current service mode of the standby standby device is to provide the playing mode to the user terminal: if the current service mode of the standby standby device is to provide the playing mode to the user terminal, determining the switching time point in the current service content;
  • the standby standby device media server A is currently providing the playing mode to the user terminal.
  • the following scheme can be adopted:
  • the scheduling server determines a switching time point in the current media. It can be understood that the switching time point is located after the current playing time point.
  • the scheduling server first establishes a media control channel with the media server B, and notifies the standby standby device media server A and the target device media server B to the switching time point respectively, wherein the purpose of notifying the media server A is to instruct the media server A to play the switch.
  • the media stream is stopped from being sent to the user terminal, and when the scheduling server knows that the media server A stops transmitting the media stream, the media server B immediately informs the media server B that the media server B will continue to send the media stream to the user from the location of the switching time point. Thereafter, the dispatch server can disconnect the media control channel with media server A.
  • IPTV system supports media content fragment storage and scheduling, it can also directly use the end time point of the current fragment as the switching time point. This method is actually based on the fragmentation change as the basis for service task migration, namely: media server After A plays the current slice, Media Server B continues to play the next slice to the user.
  • the playback mode of the media may include a playback mode such as fast forward and fast reverse
  • the scheduling server may also notify the media server B of the current playback mode of the media server A to ensure that after the service task is migrated. Maintain the original playback mode.
  • the media server B should continue to provide the user with the previous slice of the current slice. .
  • the scheduling server migrates the service tasks on the media server A to the media server B, the media server A is notified to enter the standby state, and the current state of the recording media server A is the standby state.
  • S204. Send an identifier of the device adjusted to the standby state to the media content management server.
  • the scheduling server sends the identifier of the media server A to the media content management server, notifying the media content management server that the media server A has entered the standby state, after which the media content management server will Content is no longer published or deleted for Media Server A.
  • the dispatch server When receiving a new media play request, the dispatch server first filters out the media server that is already in standby or standby, and then selects a suitable media server to provide services to the user terminal according to the media content requested by the user.
  • the scheduling server forwards the media play request of the user to the selected media server.
  • the media player reads the media file data from the corresponding storage device.
  • the media server sends a play response to the dispatch server.
  • the scheduling server forwards the play response to the user terminal.
  • the media server provides a service to the user terminal.
  • At the scheduling server at least one high load threshold is also pre-configured. Since the scheduling server collects the sum of the current media service user loads of the entire system in real time or periodically, after the partial devices are set to the standby state, the scheduling server also loads the current user load with the preset. The high load threshold is compared. If the current user load is higher than the preset high load threshold, the subsequent steps are further performed.
  • the device ID of the media server that is re-adjusted to the running state is sent to the media content management server. For example, after the scheduling server re-adjusts the media server A that has been previously adjusted to the standby state to the running state, sends the identifier of the media server A to the media content management server, and re-adjusts the media server A that was previously adjusted to the standby state to run.
  • the status information informs the media content management server, after which the media content management server will resume operations such as posting or deleting content to the media server A.
  • the content management server updates the media content in the activation device.
  • the content management server may query which content the device missed according to the standby time and the sleep time of the device. , notify this device to have other content on the device to get the corresponding content. Similarly, if some media content changes and deletions are missed during the standby of the device, the content management server may also notify the corresponding situation that the above scheme can control the number of devices that can provide the IPTV service according to the current user load of the IPTV system, thereby effectively Reduced power consumption and loss of these devices.
  • a plurality of low load thresholds may also be preset, so that different numbers of devices are selected to enter a standby state according to different user load levels; accordingly, when device activation is performed, the scheduling server may All devices in standby can be activated, or only some of them can be activated. The specific number of activations can be achieved by comparison with a preset number of high load thresholds.
  • the foregoing solution also provides a method for performing service task migration on a device in a service mode, so that the device in the service mode enters a standby state in the case of non-stop playback, and the quality of service of the user is not affected.
  • the embodiment of the present invention further provides a device scheduling apparatus, as shown in FIG. 3, including:
  • the user load obtaining unit 310 is configured to obtain current user load information of the IPTV system.
  • the user load obtaining unit 310 performs real-time or periodic statistics on the sum of the current media server user loads of the entire system, wherein the user load can be measured by indicators such as the number of concurrent users, or the system concurrent bandwidth consumption.
  • the device standby control unit 320 is configured to determine whether the current user load of the system is lower than a preset low load threshold, and if yes, adjust some devices in the system to a standby state, where the device includes a media server. .
  • the device standby control unit 320 compares the current user load of the IPTV system in the user load information with a preset low load threshold according to the current user load information of the IPTV system obtained by the user load obtaining unit 310, if the IPTV is If the current user load of the system is lower than the preset low load threshold, the device standby control unit 320 adjusts some of the media servers in the IPTV system to the standby state.
  • the above apparatus may further include:
  • the device standby result reporting unit 330 is configured to send an identifier of the device adjusted to the standby state to the content management server, and instruct the content management server to stop providing content to the device adjusted to the standby state.
  • the device standby control unit 320 may be further configured to migrate the service task on the device adjusted to the standby state to the target device in the system, where the target device is a device in the system in the running state. .
  • the device standby control unit 320 may include: The preparatory standby device determining sub-unit 321 is configured to determine a part of the media servers in the system as a standby standby media server; wherein the determining the standby standby media server may include: selecting, in the system, the pre-defined scheduling policy A part of the media server serves as a standby standby media server; or a part of the media servers in the system are randomly selected as a standby standby media server.
  • the determining sub-unit 322 is configured to determine whether the preparatory standby media server determined by the standby standby media server determining unit 321 is currently in the service service mode;
  • the service migration sub-unit 323 is configured to: when the determining sub-unit 322 determines that the standby standby media server is currently in the service mode, migrate the service task on the preliminary standby media server to the target media server, where the target media server is a media server in an operating state in the system;
  • the adjusting subunit 324 is configured to adjust the standby standby media server to a standby state after the service migration subunit 323 completes the service task migration. It can also be used to directly adjust the preliminary standby media server to the standby state when the determining sub-unit 322 determines that the standby standby media server is not currently in the service mode.
  • the service migration subunit 323 may include:
  • the information obtaining module 3231 is configured to acquire a current service content and a service mode of the standby standby media server.
  • the target device selection module 3232 is configured to select a target media server according to the current service content of the preliminary standby media server;
  • the migration module 3233 is configured to notify the target media server to assume the service task according to the current service mode of the standby standby media server.
  • the service migration subunit 323 establishes a media control channel with the target media server, and pauses the time through the media control channel. Point to notify the target media service And instructing the target media server to provide a service to the user terminal from the pause time point when the user terminal selects to continue playing.
  • the service migration sub-unit 323 first determines a switching time point in the current service content; notifying the switching time point of the preparation Waiting for the media server, and instructing the standby standby media server to stop providing service to the user terminal when the service reaches the switching time point, establishing a media control channel with the target media server, and using the established media control channel
  • the switching time point notifies the target media server, and notifies the target media server to provide a service to the user terminal from the switching time point.
  • the device scheduling apparatus provided by the embodiment of the present invention may further include:
  • the device activation control unit 340 is configured to re-adjust the device in the system that has been adjusted to the standby state to an operating state if it is determined that the current user load of the system is higher than a preset high load threshold.
  • the device activation result reporting unit 350 is configured to send the identifier of the device that is re-adjusted to the running state to the content management server, and instruct the content management server to update the content in the device that is re-adjusted to the running state.
  • the device scheduling device dynamically selects a part of the device to enter the standby state. At this time, only the device in the running state provides the user with the service, and the actual service quality is not affected. Therefore, the power consumption waste and loss of the system equipment are effectively reduced without affecting the quality of service.
  • an embodiment of the present invention further provides a device scheduling system, where the system includes a scheduling server 810 and at least one media server 820.
  • the scheduling server 810 is configured to obtain current user load information of the system, determine whether the current user load of the system is lower than a preset low load threshold, and if yes, select a part of the media server in the system. Adjust to standby.
  • the scheduling server 810 refer to the device scheduling device in the above device embodiment.
  • system of the device scheduling system may further include:
  • the content management server 830 is configured to receive an identifier of the media server that is adjusted to be in a standby state and sent by the scheduling server, and stop providing content to the media server adjusted to the standby state according to the identifier.
  • the content management server 830 can also be configured to receive an identification of the device re-adjusted to the operational state, based on the identification, to update the content in the device that is re-adjusted to the operational state.
  • the IPTV system provided by the embodiment of the present invention dynamically selects a part of the media server to enter a standby state when the actual load of the system is small. At this time, only the media server in the running state provides services for the user, and the actual service quality is not affected. In this case, the power consumption and loss of these media servers are effectively reduced.
  • the described systems, apparatus, and methods, and the schematic diagrams of various embodiments may be combined or integrated with other systems, modules, techniques or methods without departing from the scope of the present application.
  • the mutual coupling or direct connection or communication connection shown or discussed may be an indirect connection or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Les modes de réalisation de la présente invention portent sur un procédé, un équipement et un système de répartition de dispositifs. Le procédé de répartition de dispositifs consiste à : obtenir des informations de charge en utilisateurs courante d'un système de télévision sur protocole Internet (IPTV) ; déterminer si la charge en utilisateurs courante du système est inférieure ou non à un seuil de charge bas préréglé, et si oui, faire passer une partie des dispositifs dans le système dans un état de veille. Dans les solutions techniques des modes de réalisation de la présente invention, lorsque la charge réelle du système IPTV est plus basse, une partie des dispositifs sont sélectionnés de façon dynamique pour passer dans un état de veille, et à ce moment, seuls les dispositifs qui sont dans un état actif fournissent des services pour des utilisateurs, en conséquence le gaspillage et les pertes de consommation d'énergie des dispositifs peuvent être efficacement réduits dans des conditions n'ayant pas d'influence sur la qualité de service réelle.
PCT/CN2011/072707 2010-04-21 2011-04-13 Procédé, équipement et système de répartition de dispositifs WO2011131098A1 (fr)

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CN201010153063.2A CN102238423B (zh) 2010-04-21 2010-04-21 一种设备调度方法、装置及系统
CN201010153063.2 2010-04-21

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CN104219544B (zh) * 2013-05-29 2018-07-10 中国电信股份有限公司 Iptv业务资源的动态调度方法与系统
CN106331036B (zh) * 2015-06-30 2020-05-26 联想(北京)有限公司 一种服务器控制方法及装置
CN106972975A (zh) * 2017-04-27 2017-07-21 上海斐讯数据通信技术有限公司 一种服务器管理方法及系统

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