CN110690990B - Server upgrading method and device, electronic equipment and storage medium - Google Patents
Server upgrading method and device, electronic equipment and storage medium Download PDFInfo
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- CN110690990B CN110690990B CN201910824752.2A CN201910824752A CN110690990B CN 110690990 B CN110690990 B CN 110690990B CN 201910824752 A CN201910824752 A CN 201910824752A CN 110690990 B CN110690990 B CN 110690990B
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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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
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- 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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- 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
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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Abstract
The embodiment of the invention provides a method and a device for upgrading a server, electronic equipment and a storage medium, wherein the method comprises the following steps: the target server receives the upgrading instruction and then backs up the data to the backup server; sending a first switching instruction to the transfer server, wherein the first switching instruction is used for enabling the transfer server to point the service address to the backup server; acquiring an upgrade package from the sharing platform according to the upgrade instruction, and upgrading by using the upgrade package; after the upgrade is finished, sending a second switching instruction to the transfer server, wherein the second switching instruction is used for enabling the transfer server to point the service address to the target server; sending the upgrade package to a backup server, so that the backup server can be upgraded by using the upgrade package; and receiving and merging the data of the upgraded backup server. The embodiment of the invention adopts the backup server to temporarily replace the processing service, thereby reducing the influence of the upgrade of the target server on the network utilization of the user; by merging the upgraded data of the backup server, data loss during the upgrade can be prevented.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a method and an apparatus for upgrading a server, an electronic device, and a storage medium.
Background
The video networking is a real-time network, can realize the real-time transmission of the high definition video of the whole network that present internet can't realize, push numerous internet applications to high definition video ization, high definition is face-to-face.
With the development of network technology, in order to enable users to have better experience when surfing the internet, the servers are often required to be updated.
At present, when a server is upgraded, a hard pause is needed, even a network entrance is closed, so that a user cannot surf the internet when the server is upgraded, and the user experience is seriously influenced. In the prior art, the number of the network users in each time period in one day is monitored, and the number of the network users in the early morning is found to be small, so that the server upgrading is generally selected in the early morning. However, the workers who maintain the server upgrade in various places need to overtime in the early morning, which causes great inconvenience to the workers.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a method and apparatus for server upgrade, an electronic device, and a storage medium, which overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses a method for upgrading a server, where the method is applied to a video network, and the method includes:
the target server receives the upgrading instruction and then backs up the data to the backup server;
the target server sends a first switching instruction to a transfer server, wherein the first switching instruction is used for enabling the transfer server to point a service address to the backup server;
the target server acquires an upgrade package from a sharing platform according to the upgrade instruction and uses the upgrade package for upgrading;
after the target server finishes upgrading, sending a second switching instruction to the transfer server, wherein the second switching instruction is used for enabling the transfer server to point a service address to the target server;
the target server sends the upgrade package to the backup server, so that the backup server can be upgraded by using the upgrade package;
and the target server receives, combines and upgrades the data of the backup server.
Preferably, the step of receiving, by the target server, an upgrade instruction includes:
the target server receives an upgrading instruction sent by a terminal;
alternatively, the first and second electrodes may be,
the upgrading instruction comprises a network address of a target server, the target server receives the upgrading instruction forwarded by a first server, and the first server is used for receiving the upgrading instruction sent by a terminal and determining the target server according to the network address of the target server.
Preferably, the upgrade instruction includes an upgrade time point or an upgrade time period, and the step of acquiring, by the target server, an upgrade package from the shared platform according to the upgrade instruction and upgrading the upgrade package by using the upgrade package includes:
and the target server acquires an upgrading packet from a sharing platform according to the upgrading instruction and utilizes the upgrading packet to upgrade at the upgrading time point or within the upgrading time period.
Preferably, the target server includes a preset white list, and the step of receiving, at the target server, the upgrade instruction forwarded by the first server further includes:
and the target server judges whether the first server is in the preset white list, and if so, receives the upgrading instruction forwarded by the first server.
Preferably, the method further comprises:
and the target server sends an upgrade state message to the terminal.
Preferably, the method further comprises:
and the target server receives an upgrade notification, and the upgrade notification is sent by the sharing platform when the upgrade package is updated.
Preferably, the step of obtaining, by the target server, an upgrade package from a shared platform according to the upgrade instruction, and upgrading by using the upgrade package includes:
after receiving an upgrade instruction, the mserver service of the target server sends an upgrade package downloading request to a shared platform through a message forwarding service, wherein the downloading request is used for downloading the upgrade package from the shared platform to the target server;
and after the upgrade package is downloaded, upgrading the upgrade service of the target server by using the upgrade package.
The embodiment of the invention also discloses a device for upgrading the server, which is applied to the video network and comprises:
the receiving module is used for receiving the upgrading instruction and then backing up the data to the backup server;
a first instruction sending module, configured to send a first switching instruction to a transit server, where the first switching instruction is used to enable the transit server to point a service address to the backup server;
the upgrading module is used for acquiring an upgrading packet from a sharing platform according to the upgrading instruction and upgrading by using the upgrading packet;
a second instruction sending module, configured to send a second switching instruction to the transfer server after the upgrade is completed, where the second switching instruction is used to enable the transfer server to point a service address to the target server;
the upgrade package sending module is used for sending the upgrade package to the backup server so that the backup server can be upgraded by using the upgrade package;
and the data merging module is used for receiving, merging and upgrading the data of the backup server.
The embodiment of the invention also discloses an electronic device, which comprises: one or more processors; and one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the device to perform one or more data transmission methods as described in embodiments of the invention.
The embodiment of the invention also discloses a computer readable storage medium, and a stored computer program enables a processor to execute the data transmission method according to the embodiment of the invention.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, the characteristic of the video network is utilized, so that the target server can be ensured to be free from virus invasion during upgrading; the target server backs up the data to the backup server after receiving the upgrading instruction, and sends a first switching instruction to the transfer server to enable the transfer server to point the service address to the backup server; the target server which finishes upgrading sends a second switching instruction to the transfer server, so that the transfer server points the service address to the target server which finishes upgrading; the target server sends the upgrade package to the backup server, so that the backup server is upgraded by using the upgrade package, and the target server receives and combines the data of the upgraded backup server, thereby preventing the data loss of the target server during the upgrade period.
Drawings
FIG. 1 is a flow chart of the steps of a method embodiment of a server upgrade of the present invention;
FIG. 2 is a block diagram of a design of a method of server upgrade of the present invention;
FIG. 3 is a block diagram of an embodiment of a server upgrade apparatus of the present invention;
FIG. 4 is a networking schematic of a video network of the present invention;
FIG. 5 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 6 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 7 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, a flow chart of steps of an embodiment of a method for upgrading a server according to the present invention is shown, the method can be applied to an internet of view, which has a characteristic of preventing virus intrusion, so that it can be ensured that no virus intrudes during upgrading; the method specifically comprises the following steps:
The target server is a server to be upgraded; the backup server can be a server which is connected with the target server in advance, or the backup server can be a server which is connected with the target server after the target server receives the upgrading instruction; in this way, the backup server may interact with the target server. Specifically, the connection between the backup server and the target server may be established by configuring based on the IP addresses and port numbers of the backup server and the target server. The target server backs up or copies the data to the backup server, so that the backup server has the same function as the target server, and therefore, the backup server can replace the target server and provide the same service as the target server.
The upgrading instruction is sent by the terminal, the terminal sending the upgrading instruction is used as a reference, the target server can be a local server or a remote server, when the target server is the local server, the upgrading instruction sent by the terminal can be directly received, namely, the step that the target server receives the upgrading instruction comprises the following steps: and the target server receives an upgrading instruction sent by the terminal.
When the target server is a remote server, the upgrading instruction sent by the terminal cannot be directly received, at the moment, the upgrading instruction sent by the terminal comprises the network addresses of the target server, each network address corresponds to a unique server, and the corresponding server can be determined through the network addresses; the step that the target server receives the upgrading instruction comprises the following steps: and the target server receives the upgrading instruction forwarded by the first server, and the first server is used for receiving the upgrading instruction sent by the terminal and determining the target server according to the network address of the target server. It can be understood that the first server is a local server of the terminal; the first server determines a target server according to the network address in the upgrading instruction so as to forward the upgrading instruction to the target server.
Further, in an example, when the target server is a remote server, the target server includes a preset white list, and the step of receiving, at the target server, the upgrade instruction forwarded by the first server further includes:
and the target server judges whether the first server is in a preset white list or not, and if so, receives the upgrading instruction forwarded by the first server.
In a specific implementation, a preset white list in the target server may be set by logging in an upgrade management page of the target server through a local terminal corresponding to the target server. Specifically, an IP address or other server identifiers (such as an area number) of a server that allows remote upgrade of the target server are added to the white list option corresponding to the target server upgrade management page. When the first server forwards the upgrading instruction to the target server, the target server judges whether the IP address of the first server is in a preset white list or not, and if yes, the upgrading instruction forwarded by the first server is received; and if the first server is not in the preset white list of the target server, refusing to receive or ignore the upgrading instruction forwarded by the first server, or the first server cannot send the upgrading instruction to the target server. The embodiment plays a role in protecting the target server by presetting the white list for the target server, and simultaneously, the local terminal corresponding to the server in the white list can start the target server to be upgraded, so that the server is upgraded remotely.
In this example, the relay server is a server connecting the terminal and the corresponding main server, and is configured to forward data between the terminal and the corresponding main server. The main server described above may be understood as a local server of the terminal. When the target server is a local server, the transit server connects the terminal and the target server. When the target server is a remote server, the transfer server is connected with the target server and a local terminal corresponding to the target server, and the local terminal takes the target server as a terminal of the local server and is different from the terminal which sends the upgrading instruction during the remote upgrading.
In a specific implementation, the first switching instruction includes a network address of the backup server, where the network address may include an IP address and a port number of the backup server. When the target server finishes data backup or copying to the backup server, a first switching instruction is sent to the transfer server, and after the transfer server receives the first switching instruction, the network address of the target server in the corresponding configuration file is changed into the network address of the backup server. When the local terminal corresponding to the target server initiates an access request, the transit server forwards the access request to the backup server, the backup server performs corresponding processing on the access request, and the transit server forwards the processed data to the local terminal initiating the access request. The backup server realizes the interaction between the substitute target server and the local terminal and provides service for the local terminal; therefore, when the target server is upgraded in the subsequent steps, the network experience of the user is not influenced.
And 103, the target server acquires an upgrade package from a shared platform according to the upgrade instruction and uses the upgrade package for upgrading.
And the shared platform stores the upgrade packages of all the servers. The step that the target server obtains the upgrade package from the shared platform according to the upgrade instruction comprises the following steps:
the target server sends an upgrade package downloading request to the sharing platform, wherein the downloading request can contain a network address of the target server;
and the target server receives an upgrade package which is returned by the sharing platform according to the downloading request and corresponds to the target server.
In a specific implementation, a target server receives an upgrade instruction through an mserver service (a transit service), and then sends an upgrade package downloading request to a shared platform through a message forwarding service, wherein the downloading request is used for downloading an upgrade package corresponding to the target server from the shared platform to the target server; and after the upgrade package is downloaded, the upgrade service of the target server is upgraded by using the upgrade package. The mserver service, the message forwarding service and the upgrade service are respectively service programs in a target server, wherein the mserver service is used for receiving an upgrade instruction, performing data interaction with a transit server, performing data interaction with a backup server and the like. The message forwarding service is used for carrying out data interaction with the sharing platform and monitoring the downloading completion progress of the upgrade package; the upgrade service is a service program in the target server, and is used for performing data interaction with the message forwarding service and completing server upgrade. And when the message forwarding service confirms that the upgrade package is completely downloaded, the upgrade service is notified, and after the upgrade service receives the notification, the target server is upgraded by using the downloaded upgrade package.
In one example, the upgrading instruction includes an upgrading time point or an upgrading time period, and the step of obtaining, by the target server, an upgrading packet from a shared platform according to the upgrading instruction and upgrading the target server by using the upgrading packet includes:
and the target server acquires an upgrading packet from a sharing platform according to the upgrading instruction and utilizes the upgrading packet to upgrade at the upgrading time point or within the upgrading time period.
Specifically, the upgrade instruction may include an upgrade time point, which may be a time period obtained by monitoring through multiple experiments and having the fewest users in the network during the day, and then combining the time period and the time required by the upgrade of the target server. For example, the minimum time period of the user using the network in a day is 02:00-05:00, and the expected time required for upgrading the target server is 1 hour, in this case, the upgrading time point may be any one time point of 02:00-04:00, for example, 02:30 is selected as the upgrading time point.
Similarly, the upgrade instructions may include an upgrade period, and the target server may initiate an upgrade at any point in time within the upgrade period.
In specific implementation, when an operator sends an upgrade instruction through a terminal, a corresponding upgrade time point or upgrade time period can be selected, so that a target server is upgraded at the upgrade time point or in the upgrade time period, automatic upgrade is realized at regular time, the operator does not need to follow up in real time, and the workload of the operator is reduced.
And 104, after the target server is upgraded, sending a second switching instruction to the transfer server, wherein the second switching instruction is used for enabling the transfer server to point the service address to the target server.
The second handover instruction may contain a network address of the target server, which may contain an IP address and a port number of the target server, etc. It should be noted that the network address of the target server is not changed by whether the target server is upgraded, that is, the network addresses before and after the target server is upgraded are the same. After receiving the second switching instruction, the transfer server changes the service address in the corresponding configuration file from the network address of the backup server to the network address of the target server; and the upgraded target server provides service for the local terminal.
105, the target server sends the upgrade package to the backup server, so that the backup server is upgraded by using the upgrade package;
in one example, after the transfer server finishes directing the service address to the target server, the target server sends an upgrade package to the backup server, so that the backup server is upgraded by using the upgrade package.
In another example, after the target server finishes downloading the upgrade package, the upgrade package is sent to the backup server, and the backup server uses the upgrade package to upgrade after the transfer server finishes directing the service address to the target server.
And 106, receiving, merging and upgrading the data of the backup server by the target server.
And after the backup server is upgraded, sending the data of the backup server to the target server in a copying or backup mode, and combining the data of the backup server and the data of the target server after the target server receives the data of the backup server. Specifically, the target server discards a part of the data of the backup server which is overlapped with the data of the target server, and only reserves a part of the data of the backup server which is different from the data of the target server; it can be understood that the target server merges data generated during the period that the target server replaces the target server to serve the local terminal into the data of the target server, so that data loss caused by the fact that the target server replaces the service with the backup server in the upgrading process is avoided.
In another example, after the upgrade of the backup server is completed, according to a time period in which the backup server replaces the target server to serve the local terminal, data generated in the time period is sent to the target server in a copying or backup manner. And the target server receives the data generated in the time period, so that the data loss caused by adopting a backup server to replace the service in the upgrading process of the target server is avoided. It is understood that the starting point of the time period is a time point when the transit server points the service address to the backup server, and the intercept point of the time period is a time point when the transit server points the service address to the target server where the upgrade is completed.
Further, in an embodiment of the present invention, the method further includes: and the target server sends an upgrade state message to the terminal.
Specifically, the upgrade status may include to-be-upgraded, in-upgrade, upgrade completed, and the like. And after receiving the upgrading instruction, the target server sends a real-time message of the upgrading state to the terminal, so that a worker can visually know the upgrading state of the target server through a terminal screen. For example, when the target server sends a status message in the upgrade to the terminal in real time during the upgrade process, at this time, the upgrade progress may be displayed on the terminal screen, and the upgrade progress may be represented by any one or a combination of multiple items, such as a progress bar, a percentage, or a sector area in a circular diagram. And after the target server finishes upgrading, sending the state information of the upgrading completion to the terminal. It should be noted that the terminal receiving the upgrade status message is a terminal that sends an upgrade instruction to the target server.
Further, in an embodiment of the present invention, the method further includes: and the target server receives an upgrade notification, and the upgrade notification is sent by the sharing platform when the upgrade package is updated and is used for notifying the update package of the target server of the update.
Specifically, when an upgrade package of the target server is updated, the shared platform sends an upgrade notification to the target server, after receiving the upgrade notification, the target server sends an upgradable notification to the corresponding local terminal and/or the local terminal corresponding to the server in the preset white list, and the terminal displays the upgradable notification. When the user or the staff checks the upgradable notice, the corresponding upgrade management page is logged in the terminal, and an upgrade instruction is sent to the target server. According to the embodiment, the target server can be automatically detected, and the terminal is prevented from repeatedly sending the upgrading instruction in the same version.
Referring to fig. 2, a block diagram of a design scheme of an embodiment of a method for upgrading a server according to an embodiment of the present invention is shown.
A user logs in a video networking monitoring and networking management scheduling system at a terminal, enters an upgrade management page, selects immediate upgrade or sets upgrade time to start timing upgrade after determining a target server to be upgraded (if the target server is a remote server, a network address of the target server needs to be input), and a mserver service of the target server backs up data to a backup server after receiving an upgrade instruction and sends a first switching instruction to a transit server to enable the transit server to point a service address to the backup server so as to complete switching of the target server and the backup server; the message forwarding service of the target server downloads an upgrade package to the shared platform, and after the upgrade package is downloaded, the target server calls the upgrade service through the message forwarding service, and the upgrade service upgrades the target server by using the upgrade package; the target server sends an upgrade state message to the terminal in real time, and after the target server is upgraded, a second switching instruction is sent to the transfer server through the mserver service, so that the transfer server points the service address to the upgraded target server; to complete the switching between the backup server and the target server after the upgrading; the target server sends the upgrade package to a backup server through the mserver service, and the backup server carries out upgrading by using the upgrade package; after the backup server is upgraded, the data of the backup server is sent to the mserver service of the target server, and the mserver service of the target server merges the data of the backup server to prevent data loss.
The embodiment of the invention utilizes the characteristics of the video network, and can ensure that no virus is invaded when the target server is upgraded; the target server receives the upgrading instruction, backs up the data to the backup server, and sends a first switching instruction to the transfer server, so that the transfer server points the service address to the backup server; the target server which finishes upgrading sends a second switching instruction to the transfer server, so that the transfer server points the service address to the target server which finishes upgrading; the target server sends the upgrade package to the backup server, so that the backup server is upgraded by using the upgrade package, and the target server receives, combines and upgrades the data of the backup server, thereby preventing the data loss of the target server during the upgrade period; the upgrading instruction can also comprise an upgrading time point or an upgrading time period, so that the timed upgrading is realized, and the field operation of workers is not needed; in addition, the target server can also send an upgrade status message to the terminal in real time, so that the user can know the upgrade condition of the target server in time.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 3, a block diagram of an embodiment of a server upgrading apparatus according to the present invention is shown, where the apparatus may be applied in a video network, and specifically may include the following modules:
the receiving module 301 is configured to receive an upgrade instruction and then backup data to a backup server;
a first instruction sending module 302, configured to send a first switching instruction to a transit server, where the first switching instruction is used to enable the transit server to point a service address to the backup server;
the upgrading module 303 is configured to obtain an upgrading package from the shared platform according to the upgrading instruction, and upgrade the upgrading package;
a second instruction sending module 304, configured to send a second switching instruction to the transit server after the upgrade is completed, where the second switching instruction is used to enable the transit server to point the service address to the target server;
an upgrade package sending module 305, configured to send the upgrade package to the backup server, so that the backup server performs upgrade using the upgrade package;
and a data merging module 306, configured to receive, merge and upgrade the updated data of the backup server.
In a preferred embodiment of the present invention, the upgrade instruction includes a network address of the target server, and the receiving module 301 includes:
the first receiving module is used for receiving an upgrading instruction sent by the terminal;
and the second receiving module is used for receiving the upgrading instruction forwarded by the first server, and the first server is used for receiving the upgrading instruction sent by the terminal and determining the target server according to the network address of the target server.
In a preferred embodiment of the present invention, the target server includes a preset white list, and the second receiving module is further configured to:
and judging whether the first server is in the preset white list, and if so, receiving an upgrading instruction forwarded by the first server.
In a preferred embodiment of the present invention, the upgrade instruction includes an upgrade time point or an upgrade time period, and the upgrade module 303 is configured to:
and acquiring an upgrading packet from a shared platform according to the upgrading instruction, and upgrading by using the upgrading packet at the upgrading time point or in the upgrading time period.
In a preferred embodiment of the present invention, the upgrade module 303 is further configured to:
after receiving an upgrade instruction through the mserver service of the target server, sending an upgrade package downloading request to a shared platform through a message forwarding service, wherein the downloading request is used for downloading the upgrade package from the shared platform to the target server; and after the upgrade package is downloaded, the upgrade service of the target server is performed by using the upgrade package.
In a preferred embodiment of the present invention, the apparatus further comprises:
and the state sending module is used for sending the upgrading state message to the terminal.
In a preferred embodiment of the present invention, the apparatus further comprises:
an upgrade notification receiving module, configured to receive an upgrade notification, where the upgrade notification is sent by the shared platform when the upgrade package is updated, and is used to notify that the upgrade package of the target server is updated;
and the sending upgradable notification module is used for sending upgradable notification to the corresponding local terminal and/or the local terminal corresponding to the server in the preset white list.
For the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and reference may be made to the partial description of the method embodiment for relevant points.
The embodiments in the present specification are all described in a progressive manner, and each embodiment focuses on differences from other embodiments, and portions that are the same and similar between the embodiments may be referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
The method for upgrading the server and the device for upgrading the server provided by the invention are described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 4, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a central control function in the metropolitan area network and can control the node switch and the node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 5, the system mainly includes a network interface module 501, a switching engine module 502, a CPU module 503, and a disk array module 504;
the network interface module 501, the CPU module 503 and the disk array module 504 all enter the switching engine module 502; the switching engine module 502 performs an operation of looking up the address table 505 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a corresponding queue of the packet buffer 506 based on the packet's steering information; if the queue of the packet buffer 506 is nearly full, it is discarded; the switching engine module 502 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 504 mainly implements control over the hard disk, including initialization, read-write, and other operations of the hard disk; the CPU module 503 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 505 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 504.
The access switch:
as shown in fig. 6, the network interface module (downlink network interface module 601, uplink network interface module 602), switching engine module 603, and CPU module 604 are mainly included;
wherein, the packet (uplink data) coming from the downlink network interface module 601 enters the packet detection module 605; the packet detection module 605 detects whether the Destination Address (DA), the Source Address (SA), the type of the packet, and the length of the packet meet the requirements, if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 603, otherwise, discards the stream identifier; the packet (downlink data) coming from the uplink network interface module 602 enters the switching engine module 603; the incoming data packet from the CPU module 604 enters the switching engine module 603; the switching engine module 603 performs an operation of looking up the address table 606 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 603 goes from the downstream network interface to the upstream network interface, the packet is stored in a queue of the corresponding packet buffer 607 in association with a stream identifier (stream-id); if the queue of the packet buffer 607 is close to full, it is discarded; if the packet entering the switching engine module 603 is not from the downlink network interface to the uplink network interface, the packet is stored in the queue of the corresponding packet buffer 607 according to the packet guiding information; if the queue of the packet buffer 607 is close to full, it is discarded.
The switching engine module 603 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 608 is configured by the CPU module 604 and generates tokens for packet buffer queues going to the upstream network interface from all downstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 604 is mainly responsible for protocol processing with the node server, configuration of the address table 606, and configuration of the code rate control module 608.
Ethernet protocol gateway:
as shown in fig. 7, the apparatus mainly includes a network interface module (a downlink network interface module 701, an uplink network interface module 702), a switching engine module 703, a CPU module 704, a packet detection module 705, a rate control module 708, an address table 706, a packet buffer 707, a MAC adding module 709, and a MAC deleting module 710.
Wherein, the data packet coming from the downlink network interface module 701 enters the packet detection module 705; the packet detection module 705 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deleting module 710 subtracts MAC DA, MAC SA, length or frame type (2byte), and enters the corresponding receiving buffer, otherwise, discards;
the downlink network interface module 701 detects the sending buffer of the port, and if a packet exists, the downlink network interface module learns the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Vission networking data packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
| DA | SA | Reserved | Payload | CRC |
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is divided into an in label and an out label, and assuming that the label (in label) of the data packet entering the device a is 0x0000, the label (out label) of the data packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
| DA | SA | Reserved | label (R) | Payload | CRC |
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Claims (8)
1. A method for upgrading a server, which is applied to a video network, the method comprises the following steps:
the target server receives the upgrading instruction forwarded by the first server and backs up the data to the backup server; the first server is a local server of the terminal and is used for receiving an upgrading instruction sent by the terminal and sending the upgrading instruction to the target server according to a network address of the target server included in the upgrading instruction;
the target server sends a first switching instruction to a transfer server, wherein the first switching instruction is used for enabling the transfer server to point a service address to the backup server;
the target server acquires an upgrading packet from a sharing platform according to the upgrading instruction, and upgrades the upgrading packet at an upgrading time point or within an upgrading time period corresponding to the upgrading instruction;
after the target server finishes upgrading, sending a second switching instruction to the transfer server, wherein the second switching instruction is used for enabling the transfer server to point a service address to the target server;
the target server sends the upgrade package to the backup server, so that the backup server can be upgraded by using the upgrade package;
and the target server receives, combines and upgrades the data of the backup server.
2. The method of claim 1, wherein the target server includes a predefined white list, and wherein the step of receiving the upgrade instructions forwarded by the first server at the target server further comprises:
and the target server judges whether the first server is in the preset white list, and if so, receives the upgrading instruction forwarded by the first server.
3. The method of claim 1, further comprising:
and the target server sends an upgrading state message to the terminal.
4. The method of claim 1, further comprising:
and the target server receives an upgrade notification, and the upgrade notification is sent by the sharing platform when the upgrade package is updated.
5. The method of claim 1, wherein the step of obtaining an upgrade package from a shared platform by the target server according to the upgrade instruction and upgrading the upgrade package by using the upgrade package comprises:
after receiving an upgrade instruction, the mserver service of the target server sends an upgrade package downloading request to a shared platform through a message forwarding service, wherein the downloading request is used for downloading the upgrade package from the shared platform to the target server;
and after the upgrade package is downloaded, upgrading the upgrade service of the target server by using the upgrade package.
6. An apparatus for upgrading a server, applied to a video network, the apparatus comprising:
the receiving module is used for receiving the upgrading instruction forwarded by the first server and backing up the data to the backup server; the first server is a local server of the terminal and is used for receiving an upgrading instruction sent by the terminal and sending the upgrading instruction to the target server according to a network address of the target server included in the upgrading instruction;
a first instruction sending module, configured to send a first switching instruction to a transit server, where the first switching instruction is used to enable the transit server to point a service address to the backup server;
the upgrading module is used for acquiring an upgrading packet from a sharing platform according to the upgrading instruction and upgrading the upgrading packet by using the upgrading packet at an upgrading time point or within an upgrading time period corresponding to the upgrading instruction;
a second instruction sending module, configured to send a second switching instruction to the transfer server after the upgrade is completed, where the second switching instruction is used to enable the transfer server to point a service address to the target server;
the upgrade package sending module is used for sending the upgrade package to the backup server so that the backup server can be upgraded by using the upgrade package;
and the data merging module is used for receiving, merging and upgrading the data of the backup server.
7. An electronic device, comprising:
one or more processors; and
one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the device to perform the method of server upgrade of any of claims 1 to 5.
8. A computer-readable storage medium storing a computer program for causing a processor to perform the method of server upgrade of any one of claims 1 to 5.
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