CN104660441A - Method, device and system for achieving high reliability of server - Google Patents
Method, device and system for achieving high reliability of server Download PDFInfo
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- CN104660441A CN104660441A CN201310603887.9A CN201310603887A CN104660441A CN 104660441 A CN104660441 A CN 104660441A CN 201310603887 A CN201310603887 A CN 201310603887A CN 104660441 A CN104660441 A CN 104660441A
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Abstract
The invention discloses a method for achieving high reliability of key equipment. The method comprises the following steps: deploying a first server and a second server; appointing an IP address, namely a floating IP shared by the two servers; mutually monitoring states of the two servers through heartbeat, and performing real-time data synchronization; when the first server is abnormal, updating the floating IP to the second server from the first server, and taking over the service of the first server from the second server through the floating IP.
Description
Technical field
The present invention relates to a kind of network communication method, particularly a kind of methods, devices and systems realizing server high reliability.
Background technology
In IP based network communication system, key telecommunication apparatus reliability is extremely important, a kind of method realizing high reliability is veneer thermal backup at present, insert the veneer that two pieces are run same application domain in the active and standby slot of same machine frame, be called primary master control veneer (Master) and master control veneer for subsequent use (Slave).Wherein, main control board, as the core of control plane, carries out service communication, the normal function of each module in completion system with outside and business board; Slave control board then only as the backup of main control board, does not communicate with business board with outside.Dynamic data when primary veneer runs as the data such as state machine, controll block, all by the bus real-time synchronization on subrack backboard to standby plate.Remain ' heartbeat ' contact between main board and standby plate, namely send mutually the state of oneself to the other side.When main control board breaks down, system carries out active-standby switch automatically, is taken over the work of main control board by slave control board, ensures the normal operation of business.And to reach the Hot Spare of data between main and standby boards are the keys guaranteeing the reliable and stable operation of said system.When primary veneer detects that process is hung dead, notice standby board takes over business, is upgraded to primary.Oneself reduce to for subsequent use.And produce alarm information, when fault can not be recovered voluntarily, prompting needs manual intervention.When primary veneer is because of situations such as the unexpected power-off of power failure, standby board can not receive the heartbeat of primary veneer continuously, is automatically upgraded to primary.The method that another kind realizes high reliability is if: data schedule backups such as database, network element configuration file are to a comparatively safe place to the static data of network element.When device software collapse fault occurs, automatically reload the program in storage, more namely restore database and network element configuration file can continue to provide service.
But veneer thermal backup needs the core bus utilizing machine frame to carry out dynamic data real-time synchronization, therefore primary, spare veneer must be positioned at the active and standby unit of same frame.When whole machine frame power-off, active and standby plate power supply is all cut-off, therefore also cannot ensure reliability.Static data backup can not be accomplished to serve the continuity provided, reload and recover data process in will inevitably break in service.
Summary of the invention
In view of the problem existing for above-mentioned prior art, the invention provides a kind of method realizing key equipment high reliability newly, run into power-off, earthquake and other natural calamity to make host apparatus to occur, when going to wreck property of host apparatus is destroyed, still uninterruptedly can provide service, accomplish long-distance disaster.And for end user, imperceptible host apparatus there occurs fault.
For solving the problems of the technologies described above, the present invention proposes a kind of method realizing server high reliability, and the method is carried out backup and switched between two-server, comprises the following steps: dispose first server and second server; Specify the Floating IP address that two servers use jointly, two servers, by heartbeat monitor partner state, carry out real-time data synchronization; When first server is abnormal, Floating IP address is updated to second server from first server, and second server is by the business of Floating IP address adapter first server.
Preferably, first server and second server, by the MAC Address of Floating IP address broadcast oneself, after both sides receive the broadcast of the other side's transmission, use common Floating IP address if judge, then record the MAC Address of the other side, after this use unicast address to send heartbeat.
Preferably, also comprise the condition of configuration first server and second server triggering active-standby switch, determine primary server, two-server enters mutually redundant state, real-time synchronization static data and dynamic data, whether condition described in real-time inspection is set up, once set up, triggers switching.The condition wherein switched can be cannot connect soft switch IP with ping order, also can be the heartbeat not receiving the other side's server in the given time.Determine that the concrete mode of primary server can be that first server and second server are consulted to determine, such as: two servers produce random numbers and also send to the other side, the larger side of the random number of generation is as primary server; Also human configuration primary server can be specified.The side being wherein confirmed as primary server enables Floating IP address and external network communication, is confirmed as side's forbidding Floating IP address of standby server.
Preferably, the detailed process that Floating IP address is updated to second server from first server comprises: first server sends abnormal state message to second server by heartbeat, forbidding Floating IP address; Second server enables Floating IP address after receiving this message, uses Floating IP address and external network communication; Or second server does not receive the heartbeat of first server in the given time, second server enables Floating IP address, uses Floating IP address and external network communication.
Preferably, use Floating IP address and external network communication to comprise: second server broadcasts the gratuitous ARP request for Floating IP address, oneself response ARP request, notice outside network device upgrades MAC Address.The source IP of described gratuitous ARP request, object IP are filled to Floating IP address, and source MAC is first server MAC Address, and target MAC (Media Access Control) address is 0xffffffff.
Preferably, the position disposed of first server and second server can at same local area network (LAN), in, also can at different local area network (LAN)s or different wide area networks.
The present invention also proposes a kind of device realizing server high reliability, and this device comprises with lower unit: deployment unit, for disposing the first and second servers, and the IP address of specifying two servers jointly to use and Floating IP address; Monitoring unit, for monitoring partner state mutually by heartbeat, and carries out real-time data synchronization; Switch unit, for when first server is abnormal, is updated to second server by Floating IP address from first server, thus makes second server by the business of Floating IP address adapter first server.
Further, deployment unit specifically comprises with lower unit: address pairing unit, for the MAC Address by Floating IP address broadcast first server and second server, after receiving the broadcast of the other side, common Floating IP address is used if judge, then record the MAC Address of the other side, between this latter two server, this address of clean culture sends heartbeat.
Preferably, described deployment unit, can also be used for the condition configuring first server and second server triggering active-standby switch, determine primary server, two-server enters mutually redundant state; Whether described monitoring unit is also set up for condition described in real-time inspection, once set up, triggers switching.
Preferably, deployment unit can also be used for the requirement according to level of security, and by the first and second server dispositions in different positions, described position comprises: same local area network (LAN), different local area network (LAN)s or different wide area networks.
The present invention also proposes a kind of server system of high reliability, and system disposes at least two-server for backing up switching, and first server, by the state of heartbeat monitor second server, and carries out real-time data synchronization with second server; Second server, uses a floating IP address jointly with first server, by the state of heartbeat monitor first server, and when first server is abnormal, this Floating IP address is updated to this locality, by the business of Floating IP address adapter first server.
Preferably, the first and second servers broadcast the MAC Address of oneself by Floating IP address, after both sides receive the broadcast of the other side's transmission, common Floating IP address is used if judge, then record the MAC Address of the other side, complete automatic matching, after this use unicast address to send heartbeat.
Preferably, first and second servers install one or more network element according to respective performance, the condition of the pre-configured triggering active-standby switch of each server, enter mutually redundant state, period real-time synchronization static data and dynamic data, and whether condition described in real-time inspection is set up, once set up, trigger switching.
Preferably, second server is comprised by the detailed process of Floating IP address adapter first server: first server by heartbeat send abnormal to second server, be for subsequent use state transition, after second server receives this message, call and drive interface forbidding Floating IP address, call and drive interface to enable Floating IP address, state transition to master state, use Floating IP address and external network communication, second server broadcast is for the gratuitous ARP request of Floating IP address, and oneself response ARP request, be used for notifying that outside network device upgrades MAC Address, Floating IP address has just been updated to second server from first server, the business of second server adapter first server, realize active-standby switch.
The present invention also proposes a kind of communications network system, comprise the server system of base station, one of wireless terminal and claim 17-20, the message related to calls of wireless terminal arrives server through described base station, it is characterized in that, when the abnormal and business of second server adapter first server of first server, server address is updated to second server by first server by informing base station.
Compared to prior art, when method of the present invention can avoid whole machine frame power-off, active and standby plate power supply is all cut-off and the phenomenon of break in service occurs, ensure that equipment operational reliability.After application this method, the key equipment in communication network at least has following improvement in performance:
First, IP network has good interoperability, different according to security level required, and primary, spare server flexible deployment, to different places, when the accident beyond control of locality occurs, still can provide service.Accomplish long-distance disaster.
Secondly, in handoff procedure, service continuation seamlessly transits, and discovers completely less than server switch between master and slave process, improve user experience for end user.
Accompanying drawing explanation
Fig. 1 is the system construction drawing according to the embodiment of the present invention.
Fig. 2 is the activestandby state transition graph of the embodiment of the present invention.
Embodiment
For doing further understanding to the present invention, be described in detail below in conjunction with the specific embodiment of accompanying drawing to method of the present invention.It will be appreciated by those skilled in the art that the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other related contents can also be obtained according to these accompanying drawings.
First the present invention discloses the method realizing key equipment high reliability and comprises the following steps: dispose the first and second servers; The IP address of specifying two servers jointly to use and Floating IP address, two servers monitor mutually opposite end state by heartbeat, and carry out real-time data synchronization; When first server is abnormal, Floating IP address is updated to second server from first server, and second server is by the business of Floating IP address adapter first server.
The method realizing key equipment high reliability provided by the invention, is specifically applicable to the two-unit standby system using two-server to form.The method disposes two-server, installs and runs identical operating system and application program.According to the performance of server, one or more network element is installed.According to the requirement of level of security, two-server is disposed geographical position and is not limit, and at same machine room, also can be distributed in different cities.The condition of two-server all configure trigger active-standby switch, also needs the IP address of specifying dual systems jointly to use, is called Floating IP address.Two-server monitors mutually opposite end state by heartbeat, and when primary server exception, standby server takes over the business of primary server by Floating IP address.First, two take device and have needed pairing, namely mutually know whom the other side is.Primary, spare server when starting all by oneself MAC Address of Floating IP address broadcast.After both sides receive the broadcast of the other side's transmission, judge to use common Floating IP address, just record the MAC Address of the other side, so just can complete automatic matching, after this use unicast address to send heartbeat.After completing initial automatic matching, also needing to determine active and standby relation, can not two-server be all primary.When primary, spare server is all normal, all possess when becoming primary condition, send to the other side by producing random number, large becoming is primary.Like this, two-server enters the state of backuping each other, period real-time synchronization static data and dynamic data.And check whether the switch between master and slave condition of configuration is set up at any time.Just switching is triggered once establishment.
Two-server active and standby is each other not enable Floating IP address simultaneously, can cause the mistake producing IP conflict like this, and handoff procedure is actually the process of being enabled/being forbidden Floating IP address by calling system driving interface on server.After standby server receives the abnormal message of opposite end transmission, call and drive interface to enable Floating IP address, state transition to master state, use Floating IP address and external network communication.And broadcast three gratuitous ARP request for Floating IP address, and oneself response ARP request, be used for notifying that outside network device upgrades MAC Address.Wherein source IP, the object IP of gratuitous ARP request are filled to Floating IP address, and source MAC is primary MAC address of server, and target MAC (Media Access Control) address is 0xffffffff.Former server calls drives interface forbidding Floating IP address, and that is former server does not re-use Floating IP address and sends message, and for the request of former server Floating IP address, former server also no longer responds.Like this, Floating IP address has just been updated to another station server from a mutually redundant station server.Just as IP address has floated to another station server from a station server.Be called that IP drifts about.
The present invention is different according to security level required, by primary, spare server flexible deployment to different places, when the accident beyond control of locality occurs, still can provide service.Accomplish long-distance disaster.
For understanding technical scheme disclosed by the invention better, hereafter specific implementation of the present invention will be further described in conjunction with specific embodiments:
Embodiment 1
For the situation of active and standby server disposition under same LAN:
1) two-server A and B installs network element respectively: HLR3000, DNSS, SAG, sms center.
2) two-server is correctly arranged, configure the joint float IP do not conflicted.
3) HA control software design is set and triggers the condition of switch between master and slave for soft switch IP can not be connected with ping order.
4), after having configured, first determine to connect soft switch IP with ping order, such HA dual-host backup just enters normal mode of operation, and suppose that server A is primary, server A ceaselessly sends ping message, and wait-for-response.Log in maintenance system by telnet, check that the state of active and standby server is as the switching condition of local terminal state, opposite end state, Floating IP address, setting.Configure the network element data of primary server, configure the communication link of a SAG and base station, whole system normally can carry out radiotelephone communication business.Under wherein base station and server are not in same network.But communication link is normal.Standby server is automatically from primary server sync configuration data.At this moment use wireless terminal to carry out test of making a phone call, message related to calls arrives on primary server through base station always, and each network element be installed on primary server carries out signaling process, and connects media.Finally can normal talking.
5) close soft switch, or disconnect the network of server A and soft switch, make server A ping soft switch can not get response.
6) server A detects that ping message does not meet with a response, and is sent the message informing standby server B of local terminal exception immediately by heartbeat message, is for subsequent use simultaneously, and forbids Floating IP address, stop the network packet that sending and receiving are relevant to Floating IP address state transition.Standby server B calls and drives interface to enable Floating IP address, and state transition is primary, sends gratuitous ARP bag to Web broadcast simultaneously, and it is the MAC Address of server B that informing base station upgrades original MAC Address of preserving server A.Server B uses Floating IP address to communicate with external network, the business of adapter server A.
7) reuse wireless terminal and carry out test of making a phone call, can find that calling still can normally be carried out.In fact be that another station server B is providing business.Server B is become by original server A.
Embodiment 2
With active and standby server disposition in different cities (X city and Y city), and the situation of primary server power-off is suddenly example:
1) two-server installs network element respectively: HLR3000, DNSS, SAG, sms center.
2) correctly arrange on two-server, configure the joint float IP do not conflicted.
3) after having configured, two-server enters normal mode of operation, suppose that the server in X city is primary, log in maintenance system by telnet, checks that the state of active and standby server is as local terminal state, opposite end state, Floating IP address.Configure the network element data of primary server, configure the communication link of a SAG and base station, whole system normally can carry out radiotelephone communication business.Under wherein base station and server are not in same network.But communication link is normal.Standby server is automatically from primary server sync configuration data.At this moment use wireless terminal to carry out test of making a phone call, message related to calls arrives on primary server through base station always, and each network element be installed on primary server carries out signaling process, and connects media.Finally can normal talking.
4) close the mains switch in primary server (X city), make the heartbeat message of its transmission abnormal state that is not able to do in time to server (Y city).
5) standby server (Y city) a period of time does not receive the heartbeat message in primary server (X city), determine that the other side is abnormal, standby server (Y city) calls and drives interface to enable Floating IP address, state transition is primary, send gratuitous ARP bag to Web broadcast, the MAC Address of the original server (X city) preserved of informing base station renewal is the MAC Address in current server (Y city) simultaneously.Server (Y city) uses Floating IP address to communicate with external network, the business of adapter server (X city).
6) reuse wireless terminal and carry out test of making a phone call, can find that calling still can normally be carried out.In fact be that another station server is providing business.Server (Y city) is become by original server (X city).
Embodiment 3
The invention allows for a kind of device realizing said method, this device comprises with lower unit:
Deployment unit, for disposing the first and second servers, the IP address of specifying two servers jointly to use and Floating IP address;
Monitoring unit, two servers monitor mutually opposite end state by heartbeat, and carry out real-time data synchronization;
Switch unit, for when first server is abnormal, is updated to second server by Floating IP address from first server, thus makes second server by the business of Floating IP address adapter first server.
Preferably, described deployment unit specifically comprises with lower unit:
Address pairing unit, the MAC Address of the first and second servers is broadcasted for Floating IP address, all receive the broadcast of the other side's transmission both sides after, common Floating IP address is used if judge, then record the MAC Address of the other side, complete automatic matching, after this between the first and second servers this address of clean culture to send heartbeat.
Preferably, described deployment unit also for: according to the performance of server, one or more network element is installed, configure the condition of the first and second server triggers active-standby switch, two-server enters mutually redundant state, period real-time synchronization static data and dynamic data
Described monitoring unit also for: whether condition described in real-time inspection is set up, once set up, trigger switching.
Preferably, the trigger condition of wherein set active-standby switch includes but not limited to following wherein a kind of:
Soft switch IP cannot be connected with ping order; Or
The heartbeat of the other side's server is not received within a scheduled time.
Preferably, described deployment unit also for: according to the requirement of level of security, by the first and second server dispositions in different positions, described position includes but not limited to following wherein a kind of: same local area network (LAN), different local area network (LAN)s, different wide area networks.
Embodiment 4
The invention allows for a kind of server system of high reliability, described system disposes at least two-server for backing up switching, and this two-server comprises:
First server, uses a floating IP address jointly with second server, by the state of heartbeat monitor second server, and carries out real-time data synchronization with second server;
Second server, by the state of heartbeat monitor first server, when first server is abnormal, is updated to this locality by Floating IP address, by the business of Floating IP address adapter first server.
Preferably, described first and second servers broadcast the MAC Address of oneself by Floating IP address, after both sides receive the broadcast of the other side's transmission, common Floating IP address is used if judge, then record the MAC Address of the other side, complete automatic matching, after this use unicast address to send heartbeat.
Preferably, described first and second servers install one or more network element according to respective performance, the condition of the pre-configured triggering active-standby switch of each server, enter mutually redundant state, period real-time synchronization static data and dynamic data, and whether condition described in real-time inspection is set up, once set up, trigger switching.
Preferably, described second server is comprised by the detailed process of Floating IP address adapter first server: first server by heartbeat send abnormal to second server, be for subsequent use state transition, after second server receives this message, call and drive interface forbidding Floating IP address, call and drive interface to enable Floating IP address, state transition to master state, use Floating IP address and external network communication, second server broadcast is for the gratuitous ARP request of Floating IP address, and oneself response ARP request, be used for notifying that outside network device upgrades MAC Address, Floating IP address has just been updated to second server from first server, the business of second server adapter first server, realize active-standby switch.
Embodiment 5
The invention allows for a kind of communications network system, comprise can communicate base station, wireless terminal, and any one server system above-mentioned, the message related to calls of described wireless terminal arrives server heartbeat through described base station, it is characterized in that, when abnormal in described first server, and during the business of second server adapter first server, server address is updated to second server by first server by informing base station.
In sum, utilize the present invention, the heartbeat message between main and standby boards directly at data-link layer transfer, and uses self-defining protocol number (as x0811), avoids producing with existing protocols number conflicting.Flexible configuration can trigger the condition of switching, drive enabling and forbidding of Interface realization Floating IP address by operation.When reaching switch between master and slave, service continuation seamlessly transits.Be conducive to the long-distance disaster of server, resisting local can not against natural disaster.
Compared to prior art, when the method realizing key equipment high reliability of the present invention can avoid whole machine frame power-off, active and standby plate power supply is all cut-off and occur the phenomenon of break in service, ensure that equipment operational reliability.Key equipment in communication network is different according to security level required, and primary, spare server flexible deployment, to different places, when the accident beyond control of locality occurs, still can provide service.Accomplish long-distance disaster.Because in handoff procedure, service continuation seamlessly transits, therefore end user is discovered completely less than server switch between master and slave process.
Embodiments of the invention can be embodied as hardware, firmware, software or its combination in any.Software is preferably embodied as application program, and be visibly implemented on program storage unit (PSU) or tangible computer computer-readable recording medium, it is made up of the combination of parts or some equipment and/or equipment.This application program can be uploaded to computer or the server of the architecture comprising any appropriate, and is performed by it.
Disclosed content is only the present invention's preferably embodiment above; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (21)
1. realize a method for server high reliability, the method is carried out backup and is switched between two-server, it is characterized in that comprising the following steps:
Dispose first server and second server;
Specify the Floating IP address that two servers use jointly, two servers, by heartbeat monitor partner state, carry out real-time data synchronization;
When first server is abnormal, Floating IP address is updated to second server from first server, and second server is by the business of Floating IP address adapter first server.
2. method according to claim 1, it is characterized in that, server uses IP address specifically to comprise jointly: first server and second server broadcast the MAC Address of oneself by Floating IP address, after both sides receive the broadcast of the other side's transmission, common Floating IP address is used if judge, then record the MAC Address of the other side, after this use unicast address to send heartbeat.
3. method according to claim 1, it is characterized in that, the method also comprises: configuration first server and second server trigger the condition of active-standby switch, determine primary server, two-server enters mutually redundant state, real-time synchronization static data and dynamic data, whether condition described in real-time inspection is set up, once set up, triggers switching.
4. method according to claim 3, is characterized in that, described condition is: cannot connect soft switch IP with ping order; Or do not receive the heartbeat of the other side's server in the given time.
5. method according to claim 3, is characterized in that, describedly determines that the concrete mode of primary server comprises: described first server and second server are consulted to determine, or human configuration specifies primary server.
6. method according to claim 5, is characterized in that, described negotiation is determined specifically to comprise: two servers produce random numbers and also send to the other side, the primary server of conduct of the side that the random number of generation is larger.
7. the method according to claim 3 or 5, is characterized in that, also comprises: the side being confirmed as primary server enables Floating IP address and external network communication, is confirmed as side's forbidding Floating IP address of standby server.
8. method according to claim 1, is characterized in that, the detailed process that described Floating IP address is updated to second server from first server comprises:
First server sends abnormal state message to second server by heartbeat, forbidding Floating IP address; Second server enables Floating IP address after receiving this message, uses Floating IP address and external network communication; Or,
Second server does not receive the heartbeat of first server in the given time, and second server enables Floating IP address, uses Floating IP address and external network communication.
9. the method according to claim 7 or 8, is characterized in that, described use Floating IP address and external network communication comprise: second server broadcasts the gratuitous ARP request for Floating IP address, and oneself response ARP request, notice outside network device upgrades MAC Address.
10. method according to claim 9, is characterized in that, the source IP of described gratuitous ARP request, object IP are filled to Floating IP address, and source MAC is first server MAC Address, and target MAC (Media Access Control) address is 0xffffffff.
11. methods according to claim 1, is characterized in that, the position that described first server and second server are disposed comprises: same local area network (LAN), different local area network (LAN)s or different wide area networks.
12. 1 kinds of devices realizing server high reliability, it is characterized in that, this device comprises with lower unit:
Deployment unit, for disposing the first and second servers, the IP address of specifying two servers jointly to use and Floating IP address;
Monitoring unit, for monitoring partner state mutually by heartbeat, and carries out real-time data synchronization;
Switch unit, for when first server is abnormal, is updated to second server by Floating IP address from first server, thus makes second server by the business of Floating IP address adapter first server.
13. devices according to claim 12, is characterized in that, described deployment unit specifically comprises with lower unit:
Address pairing unit, for the MAC Address by Floating IP address broadcast first server and second server, after receiving the broadcast of the other side, use common Floating IP address if judge, then record the MAC Address of the other side, between this latter two server, this address of clean culture sends heartbeat.
14. devices according to claim 12, is characterized in that,
Described deployment unit, also for configuring the condition of first server and second server triggering active-standby switch, determine primary server, two-server enters mutually redundant state,
Whether described monitoring unit, also set up for condition described in real-time inspection, once set up, triggers switching.
15. devices according to claim 14, is characterized in that, described condition is: cannot connect soft switch IP with ping order; Or do not receive the heartbeat of the other side's server in the given time.
16. devices according to claim 12, it is characterized in that, described deployment unit also for: according to the requirement of level of security, by the first and second server dispositions in different positions, described position comprises: same local area network (LAN), different local area network (LAN)s or different wide area networks.
The server system of 17. 1 kinds of high reliability, described system disposes at least two-server for backing up switching, and it is characterized in that, this two-server comprises:
First server, by the state of heartbeat monitor second server, and carries out real-time data synchronization with second server;
Second server, uses a floating IP address jointly with first server, by the state of heartbeat monitor first server, and when first server is abnormal, this Floating IP address is updated to this locality, by the business of Floating IP address adapter first server.
18. server systems according to claim 17, is characterized in that,
Described first and second servers are by the MAC Address of Floating IP address broadcast oneself, after both sides receive the broadcast of the other side's transmission, use common Floating IP address if judge, then record the MAC Address of the other side, complete automatic matching, after this use unicast address to send heartbeat.
19. server systems according to claim 17, it is characterized in that, described first and second servers install one or more network element according to respective performance, the condition of the pre-configured triggering active-standby switch of each server, enter mutually redundant state, period real-time synchronization static data and dynamic data, and whether condition described in real-time inspection is set up, once set up, triggers switching.
20. server systems according to claim 17, it is characterized in that, described second server is comprised by the detailed process of Floating IP address adapter first server: first server by heartbeat send abnormal to second server, be for subsequent use state transition, after second server receives this message, call and drive interface forbidding Floating IP address, call and drive interface to enable Floating IP address, state transition to master state, use Floating IP address and external network communication, second server broadcast is for the gratuitous ARP request of Floating IP address, and oneself response ARP request, be used for notifying that outside network device upgrades MAC Address, Floating IP address has just been updated to second server from first server, the business of second server adapter first server, realize active-standby switch.
21. 1 kinds of communications network systems, comprise the server system of base station, one of wireless terminal and claim 17-20, the message related to calls of described wireless terminal arrives server through described base station, it is characterized in that, when abnormal in described first server, and during the business of second server adapter first server, server address is updated to second server by first server by informing base station.
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| CN105391574A (en) * | 2015-10-28 | 2016-03-09 | 曙光云计算技术有限公司 | Server address setting method and device |
| CN105471622A (en) * | 2015-11-12 | 2016-04-06 | 武汉噢易云计算有限公司 | High-availability method and system for main/standby control node switching based on Galera |
| CN105553709A (en) * | 2015-12-11 | 2016-05-04 | 中国人民解放军国防信息学院 | Regional integrated management platform three-device backup method |
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| CN107317694A (en) * | 2016-04-27 | 2017-11-03 | 深圳市深信服电子科技有限公司 | The chain circuit detecting method and terminal of standby host in cluster |
| CN108965493A (en) * | 2018-07-03 | 2018-12-07 | 中国电子科技集团公司第十四研究所 | Data transmission switching method in two-node cluster hot backup |
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| CN105471622B (en) * | 2015-11-12 | 2019-03-01 | 武汉噢易云计算股份有限公司 | A kind of high availability method and system of the control node active-standby switch based on Galera |
| CN105553709A (en) * | 2015-12-11 | 2016-05-04 | 中国人民解放军国防信息学院 | Regional integrated management platform three-device backup method |
| CN105553709B (en) * | 2015-12-11 | 2018-08-17 | 中国人民解放军国防信息学院 | Three machine backup method of regional complex management platform |
| CN105893133A (en) * | 2016-03-31 | 2016-08-24 | 乐视控股（北京）有限公司 | Application service seamless migration method and system based on container technology |
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| CN107317694A (en) * | 2016-04-27 | 2017-11-03 | 深圳市深信服电子科技有限公司 | The chain circuit detecting method and terminal of standby host in cluster |
| CN106330542A (en) * | 2016-08-23 | 2017-01-11 | 哈尔滨海能达科技有限公司 | Access method, control device, system and equipment for remote backup switch |
| CN106532962B (en) * | 2016-12-26 | 2019-02-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Multiterminal flexible direct current converter station centralized control method, device and system |
| CN106532962A (en) * | 2016-12-26 | 2017-03-22 | 中国能源建设集团广东省电力设计研究院有限公司 | Centralized control method, device and system for multi-end flexible direct current converter stations |
| CN106790286A (en) * | 2017-02-28 | 2017-05-31 | 杭州迪普科技股份有限公司 | A kind of method and device of information back-up |
| CN107038850A (en) * | 2017-03-17 | 2017-08-11 | 上海东方明珠传输有限公司 | A kind of standby broadcast machine room monitoring system |
| CN108965493A (en) * | 2018-07-03 | 2018-12-07 | 中国电子科技集团公司第十四研究所 | Data transmission switching method in two-node cluster hot backup |
| CN109286583B (en) * | 2018-10-23 | 2021-08-10 | 郑州云海信息技术有限公司 | Method, device, equipment and storage medium for managing network ports of controller |
| CN109286583A (en) * | 2018-10-23 | 2019-01-29 | 郑州云海信息技术有限公司 | A kind of controller network port management method, device, equipment and storage medium |
| CN109507866A (en) * | 2018-12-07 | 2019-03-22 | 天津津航计算技术研究所 | A kind of double-machine redundancy system and method based on network address drift technology |
| CN109769260A (en) * | 2019-03-06 | 2019-05-17 | 京信通信系统（中国）有限公司 | The method, apparatus and system of LTE return link equipment disaster recovery |
| CN109769260B (en) * | 2019-03-06 | 2022-05-06 | 京信网络系统股份有限公司 | Method, device and system for disaster recovery of LTE (Long term evolution) backhaul link equipment |
| CN112953735B (en) * | 2019-11-26 | 2023-05-02 | 中国电信股份有限公司 | Network service device and network service method |
| CN112953735A (en) * | 2019-11-26 | 2021-06-11 | 中国电信股份有限公司 | Network service device and network service method |
| CN111245970A (en) * | 2019-12-30 | 2020-06-05 | 北京佳讯飞鸿电气股份有限公司 | Media service method and system based on Linux |
| CN111245970B (en) * | 2019-12-30 | 2023-03-28 | 北京佳讯飞鸿电气股份有限公司 | Media service method and system based on Linux |
| CN111934909A (en) * | 2020-07-13 | 2020-11-13 | 深圳栅格信息技术有限公司 | Method and device for switching IP (Internet protocol) resources of host and standby machine, computer equipment and storage medium |
| CN111934909B (en) * | 2020-07-13 | 2023-06-13 | 深圳栅格信息技术有限公司 | Main-standby machine IP resource switching method, device, computer equipment and storage medium |
| CN112667271A (en) * | 2020-12-28 | 2021-04-16 | 深圳供电局有限公司 | Software upgrading method, device, equipment, system and storage medium |
| CN115225467A (en) * | 2022-07-05 | 2022-10-21 | 中国铁道科学研究院集团有限公司 | 5G-EIR disaster recovery backup, fault detection and service recovery method for railway 5G private network system |
| CN115567693A (en) * | 2022-11-23 | 2023-01-03 | 北京易控智驾科技有限公司 | Remote control driving real-time video acquisition method and device, electronic equipment and storage medium |
| CN115567693B (en) * | 2022-11-23 | 2023-03-24 | 北京易控智驾科技有限公司 | Remote control driving real-time video acquisition method and device, electronic equipment and storage medium |
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