CN102255875A - Server switching method and system - Google Patents
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- CN102255875A CN102255875A CN2010101818705A CN201010181870A CN102255875A CN 102255875 A CN102255875 A CN 102255875A CN 2010101818705 A CN2010101818705 A CN 2010101818705A CN 201010181870 A CN201010181870 A CN 201010181870A CN 102255875 A CN102255875 A CN 102255875A
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Abstract
The embodiment of the invention discloses a server switching method and a server switching system. The method comprises that: after a first server is registered successfully, a terminal subscribes a registration event from the first server, wherein the registration event indicates the first server to transmit a switching instruction to the terminal when judging the terminal meets the switching conditions of switching to a second server; and the terminal is switched to the second server according to the address information, in the switching instruction, of the second server. The terminal comprises a registration event subscription module and a switching module, wherein the registration event subscription module is used for subscribing the registration event from the first server after the first server is registered successfully; the registration event indicates the first server to transmit a switching instruction to the terminal when judging the terminal meets the switching conditions of switching to a second server; and the switching module is used for switching the terminal to the second server according to the address information, in the switching instruction, of the second server. The embodiment of the invention avoids delay in a switching process, and ensures relatively higher switching real-time performance.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of server changing method and system.
Background technology
((Session Initiation Protocol, application SIP) also more and more widely for dialogue-based initiation protocol for Voice over Internet Protocol, the VOIP) development of technology along with the digitlization of simulated sound signal.At present, sip terminal need be registered to server can enjoy the business that server end provides, and in order to improve professional reliability, often adopts two or more servers to provide service for sip terminal, comprising a master server, other then as disaster tolerance or backup server.
In the prior art, the switching of terminal between master server and standby server be usually in the following way: whether terminal to survey master server available if regularly sending message to master server, when end-probing when master server does not have response, switch to standby server; Here for improving reliability, can with master server repeatedly (for example: 5 times) do not have response as the condition that triggers switching.Perhaps, the switching of terminal also can be in the following way: current terminal when not receiving the response of master server, just automatically performs the handoff procedure to standby server if repeatedly (be traditionally arranged to be 3 times) when the master server refresh registration.
But the inventor discovers, there are the following problems for prior art: at first, existing switching mode, send message to come detecting server whether available no matter be, still to the server refresh registration, all need terminal to server to send the lot of data bag, the mode of this transmission mass data bag can increase network burden obviously, reduces network data transmission speed; Moreover if server breaks down, terminal can not in time be received corresponding feedback information, so handoff procedure will delay time, and real-time is poor.
Summary of the invention
The embodiment of the invention provides a kind of server changing method and system, with the problem of time-delay of server handoff procedure and real-time difference in the solution prior art.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of server changing method, and this method comprises:
After the success of first server registration, terminal is to the described first server subscription registration incident, and described registered events indicates described first server to judge that described terminal satisfies when switching to the switching condition of second server, sends to terminal and switches indication;
Address information according to the second server that carries in the described switching indication switches to described second server.
The control method that the embodiment of the invention provides a kind of server controls terminal to switch, this method comprises:
When terminal during to the first server subscription registration incident, described first server judges whether described terminal satisfies the switching condition that switches to second server, if, then send the switching indication of the address information that carries second server, so that described terminal switches to described second server according to described switching indication to described terminal.
The embodiment of the invention provides a kind of terminal, and this terminal comprises:
The subscription registration event module, be used for after the success of first server registration, to the described first server subscription registration incident, described registered events indicates described first server judging that described terminal satisfies when switching to the switching condition of second server, sends to terminal and switches indication;
Handover module is used for switching to described second server according to the switch address information of indicating the second server that carries.
The embodiment of the invention provides a kind of server, comprising:
Judge module is used for when terminal to server subscription registration incident, and described server judges whether described terminal satisfies the switching condition that switches to third-party server;
Send to switch indicating module, be used for when the result of described judge module when being, send the switching indication of the address information that carries described third-party server to described terminal switch to described third-party server so that the described switching of described terminal foundation is indicated.
The embodiment of the invention has the following advantages:
In embodiments of the present invention, adopt terminal to the first server subscription registration incident, and described first server returns the mode of switching indication when terminal need be switched, whether need not current terminal surveys available to first server transmission message, this has just been avoided terminal to server to send the lot of data bag, also just reduce network burden, promoted network data transmission speed; Moreover if first server breaks down, because terminal has been subscribed to the login state of oneself, terminal just can in time be received corresponding feedback information, so handoff procedure just can not delay time, and the real-time of switching is better.At last, present embodiment can be switched to second server in real time by the first server controls terminal, and further perfect terminal has improved system reliability and stability to the function that second server switches.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of method embodiment one of the present invention;
Fig. 2 is the flow chart of method embodiment two of the present invention;
Fig. 3 is the flow chart of method embodiment three of the present invention;
Fig. 4 is the structural representation of terminal embodiment one of the present invention;
Fig. 5 is the structural representation of terminal embodiment two of the present invention;
Fig. 6 is the structural representation of server implementation example of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For above-mentioned purpose, the feature and advantage that make the embodiment of the invention can become apparent more, the embodiment of the invention is described in further detail below in conjunction with the drawings and specific embodiments.
The server of mentioning in the embodiment of the invention is sip server generally speaking, sip server is Internet protocol user class switch (Internet Protocol Private Branch eXchange, IPPBX) primary clustering is responsible for setting up SIP phone conversations all in the network.Sip server also can be sip proxy server or registrar.Generally, sip server does not participate in the medium processing procedure.In the SIP network, medium generally always adopt the processing mode of end-to-end negotiation.In some special circumstances or Business Processing, Music On Hold for example, sip server also can initiatively participate in media negotiation.Terminal in the embodiment of the invention is sip terminal generally speaking, promptly is the terminal that inserts the SIP network or be registered to sip server.
With reference to figure 1, in the embodiment of the invention one, realize that the method that the embodiment of the invention one is provided can may further comprise the steps:
Step 101: after the success of first server registration, terminal is to the described first server subscription registration incident, described registered events indicates described first server judging that described terminal satisfies when switching to the condition of second server, sends to terminal and switches indication.
Terminal is after the success of first server registration, and at any time to the described first server subscription registration incident, endpoint registration success back is carried out the subscription of registered events at once generally speaking.Terminal is to the first server subscription registration incident, specifically refer to, if when the follow-up login state at first server of terminal changes, then ask first server to return the notification message that corresponding login state changes, promptly be the login state of subscribing to oneself to first server; And, when first server need switch in terminal, send the switching indication to terminal.
Described first server can be the master server that server is provided for terminal, also can be standby server.
Step 102: described first server judges whether described terminal satisfies the switching condition that switches to second server, if then enter step 103.
Server just begins to check the information such as state, load of oneself when the request message of the subscription registration incident of receiving terminal.Wherein whether normally the state of first server refers to server operation, and load then can have multiple implication, for example, the current terminal number of hanging down of first server, the first server CPU usage, memory usage, the perhaps information such as situation of other resource occupation of internal system.Whether normally first server can also check described second server information such as operation, in addition, according to the purposes and the concrete network scenarios of first server and second server at that time, first server can also also have other scopes of examination, can independently be provided with according to actual conditions.When first server obtains oneself state or load according to inspection, and the ruuning situation of second server just can judge whether terminal satisfies the switching condition that switches to second server as a result the time.The state that the switching condition here refers to first server no longer is fit to hang down more terminal with loading, and second server normally moves and can insert new terminal.
Step 103: described first server is indicated to the switching that described terminal sends the address information that carries second server, and described terminal switches to described second server according to described switching indication.
Described first server checks out after the information such as state and load, just send the switching indication of the address information that carries second server to current terminal, this switching indication specifically can be notice (NOTIFY) message, the address information of described second server is the necessary information that terminal can be routed to second server, can only comprise the IP address information of second server.Certainly, under some preferable case, can also comprise the domain name of the reason that terminal switches, described second server, time that suggestion switches or the supported service of second server etc. in the notification message.Wherein, described first server can also allow and make terminal can preengage switching in the specific moment, and for example first server informs that terminal proceeds to the switching of second server at second day 1:00 AM.
Whether in the present embodiment, as can be seen, need not terminal and send message to first server and survey availablely, this has just been avoided terminal to server to send the lot of data bag, has also just reduced network burden, has promoted network data transmission speed; Moreover if first server breaks down, because terminal has been subscribed to the login state of oneself, terminal just can in time be received corresponding feedback information, so handoff procedure just can not delay time, and the real-time of switching is better.At last, present embodiment can be switched to second server in real time by the first server controls terminal, and further perfect terminal has improved system reliability and stability to the function that second server switches.
With reference to figure 2, in the embodiment of the invention two, realize that the method that the embodiment of the invention two is provided can may further comprise the steps:
Step 201: terminal is added extend information in subscribe request, and described extend information is used to ask described first server to notify described terminal when the login state of terminal changes, and sends the switching indication to described terminal when terminal satisfies switching condition.
Described terminal is when first server sends subscribe request, need in existing subscribe request, add extend information, the purpose of this extend information is to wish that this first server can be after the registered events of terminal subscribes oneself, if terminal changes to some extent at the login state of first server, first server can in time return the information that login state changes to terminal, simultaneously, this extend information can also ask first server to obtain returning when terminal need be switched the switching indication in judgement.In an example of reality, when terminal sent subscribe request to first server, what the extend information in this subscribe request was concrete can be as follows:
SUBSCRIBE?sip：+86571123456test.com：5060SIP/2.0
Via： SIP/2.0/UDP
10.210.2.212：5060；branch＝z9hG4bK6cba20c0a6f76d42fec364dfa
Call-ID：2b2b0f527b8887b6490606936a79fd7f10.210.2.252
From：<sip：+86571123456test.com>；tag＝ec6d4778
To：<sip：+86571123456test.com>
CSeq：2SUBSCRIBE
Accept：application/reginfo+xml
Contact：<sip：+8657112345610.210.2.212：5060>
Expires：120
Max-Forwards：70
Event：reg
Content-Length：...
<？xml?version＝″1.0″？>
<reginfo?req＝“switch”
</reginfo>
Wherein,＜? xml version=" 1.0 "?,＜reginfo req=" switch " and＜/reginfo be the example of extend information, need to prove that foregoing only is an example, in different application scenarioss, the user can adjust according to practical application.
Simultaneously, when the state of first server changed, its concrete example to the notification message that terminal is returned was as follows:
NOTIFY?sip：+86571123456test.com?SIP/2.0
From：<sip：+86571123456test.com>；tag＝27182
To：<sip：+86571123456test.com>；tag＝262281
Subscription-State：active；expires＝120
Event：reg
Content-Type：application/reginfo+xml
Contact：<sip：test.com>
Content-Length：...
<？xml?version＝″1.0″？>
<reginfo?switch＝“immediately”server＝
“10.210.2.219：5060”reason＝“userdefine”>
</reginfo>
Wherein,＜? xml version=" 1.0 "?,＜reginfo switch=" immediately " server=" 10.210.2.219:5060 " reason=" userdefine "〉and＜/reginfo〉be the extend information example in the notification message, need to prove, foregoing only is an example, in different application scenarioss, the extend information in the notification message in first server can be different.
Step 202: terminal is sent to described first server with described subscribe request of having added extend information.
Step 203: described first server judges whether described terminal satisfies the switching condition that switches to second server, if then enter step 204.
Wherein, described switching condition can be different according to actual conditions, and the specific implementation of this step then can be divided into some kinds of situations in practice so, and is as follows:
Substep A1: described first server judges whether the terminal number of hanging has down reached predefined number threshold value;
For example, if the first server maximum capacity is followingly to hang 10000 terminals, the number threshold value can be redefined for 9500 so, when having 9500 terminals on this first server registration, then first server is just thought and has been reached own processing limit, then just is judged as terminal this moment and satisfies the switching condition that switches to second server;
Perhaps, substep B1: described first server judges whether the occupancy of Installed System Memory continues to have reached predefined memory threshold in the set time;
In actual applications, can memory threshold be set to 85%, if the occupancy of the Installed System Memory of first server so, (for example: 5 minutes) all continues to reach more than 85% in the set time, and first server is just thought and reached own processing limit; Then just be judged as terminal this moment and satisfy the switching condition that switches to second server;
Perhaps, substep C1: described first server judges whether the utilization rate of system CPU continues to have reached predefined CPU threshold value in the set time;
In actual applications, can the CPU threshold value be set to 85%, (for example: 5 minutes) all continues to reach more than 85% if the system CPU utilization rate of first server is in the set time so, and first server is just thought and reached processing limit; Then just be judged as terminal this moment and satisfy the switching condition that switches to second server;
Perhaps, substep D1: described first server checks whether described second server possesses the switching condition that presets.
In actual applications, described first server can check also whether described second server possesses the switching condition that presets, and this switching condition can be for example: first server need carry out plant maintenance; Because of service management need need the terminal that first server is hung is down switched to second server; Perhaps, second server has carried out dilatation, makes the disposal ability of second server improve, and also the terminal that first server is hung down can be switched to second server to promote user's experience this moment so.
Certainly, except above-mentioned situation about enumerating, described prerequisite can also have other guide, and those skilled in the art can independently be provided with according to actual conditions.
Step 204: terminal receives the switching indication of the IP address that carries second server that described first server returns.
First server sends to terminal and switches indication, comprising the IP address information of second server.
Step 205: terminal according to the IP address of described second server to described second server subscription registration incident.
Terminal gets access to the position at second server place according to the IP address of described second server, initiate to subscribe to flow process to second server simultaneously, promptly be to send the subscribe request added extend information, adopt to the same mode of the first server subscription registration incident to second server subscription registration incident to second server.
In the present embodiment, terminal adopts the mode of adding extend information in subscribe request to come to the first server subscription registration incident, compare with prior art, not only can on first server, subscribe to the login state of oneself, can also ask simultaneously first server when terminal need be switched, can return and switch indication, promote the real-time that terminal is switched.
With reference to figure 3, in the embodiment of the invention three, realize that the method that the embodiment of the invention three is provided can may further comprise the steps:
Step 301: after the success of first server registration, terminal is to the described first server subscription registration incident, described registered events indicates described first server to judge that described terminal satisfies when switching to the switching condition of second server, sends to terminal and switches indication.
Step 302: described first server judges whether described terminal satisfies the switching condition that switches to second server, if enter step 303.
In the present embodiment, if when first server judges that obtain described terminal does not satisfy the switching condition that switches, then be left intact.
Step 303: described first server sends the switching indication of the address information that carries second server to described terminal.
Step 304: terminal sends de-registration request message to described first server, so that first server is nullified the log-on message of described terminal.
What present embodiment was different with above-mentioned two embodiment is, when described terminal receives the switching indication that described first server returns, then send de-registration request message, can nullify the log-on message of described terminal at first server to ask described first server to described first server.
Step 305: the switching indication of the address information of carrying second server that described first server of foundation returns switches to described second server.
Described terminal can also send de-registration request message to first server, so that nullify the log-on message of oneself at first server.Method by present embodiment, whether server can switch by control terminal as can be seen, server is by the monitoring oneself state, in the time service can't being provided or satisfying specific switching condition, initiate to have the NOTIFY that switches to other server infos to the terminal of subscribing to registered events, and terminal then can switch to specified server according to other server infos after receiving this message.
Need to prove, for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
Corresponding with the method that the invention described above embodiment is provided, referring to Fig. 4, the embodiment of the invention also provides the structural representation of a kind of terminal embodiment, and described terminal specifically can comprise:
Subscription registration event module 401, be used for after the success of first server registration, current terminal is to the described first server subscription registration incident, described registered events indicates described first server judging that described terminal satisfies when switching to the switching condition of second server, sends to terminal and switches indication.
Whether adopt the terminal of present embodiment, need not to send message to first server and survey availablely, this has just been avoided terminal to server to send the lot of data bag, has also just reduced network burden, has promoted network data transmission speed; Moreover if first server breaks down, because terminal has been subscribed to the login state of oneself, terminal just can in time be received corresponding feedback information, so handoff procedure just can not delay time, and the real-time of switching is better.At last, present embodiment can be switched to second server in real time by the first server controls terminal, and further perfect terminal has improved system reliability and stability to the function that second server switches.
With reference to shown in Figure 5, show the structural representation of terminal embodiment two of the present invention, in the present embodiment, described subscription registration event module 401 specifically can comprise:
Add submodule 501, be used for adding extend information in subscribe request, described extend information is used to ask described first server to notify described terminal when the login state of terminal changes, and returns the switching indication to described terminal when current terminal satisfies switching condition.
Send subscribe request submodule 502, be used for described subscribe request of having added extend information is sent to described first server.
Simultaneously, described handover module 402 specifically can comprise:
Receive submodule 503, be used to receive the switching indication of the IP address that carries second server that described first server returns;
Subscription registration incident submodule 504 is used for IP address according to described second server to described second server subscription registration incident.
In a further embodiment, described terminal can also comprise:
Send de-registration request message module 505, be used for sending de-registration request message, so that first server is nullified the log-on message of described terminal to described first server.
The terminal of present embodiment adopts the mode of adding extend information in subscribe request to come to the first server subscription registration incident, compare with prior art, not only can on first server, subscribe to the login state of oneself, can also ask simultaneously first server when terminal need be switched, can return and switch indication, promote the real-time that terminal is switched.
With reference to shown in Figure 6, show the structural representation of server implementation example of the present invention, as shown in Figure 6, this server can comprise:
Judge module 601 is used for when terminal during to the first server subscription registration incident, and described first server judges according to prerequisite whether described terminal satisfies the switching condition that switches to second server.
Wherein, described judge module 601 is under different situations, can be used to specifically judge whether the occupancy of Installed System Memory continues to have reached predefined memory threshold in the set time, perhaps, judge whether the utilization rate of system CPU continues to have reached predefined CPU threshold value in the set time.
In different embodiment, described judge module can also be used to specifically check whether described second server possesses the switching condition that presets.
Send to switch indicating module 602, be used for when the result of described judge module when being, send the switching indication of the address information that carries second server to described terminal switch to described second server so that the described switching of described terminal foundation is indicated.
Need to prove that each embodiment in this specification all adopts the mode of going forward one by one to describe, what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For Apparatus and system class embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
Also need to prove, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.
More than server changing method and system that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used to help to understand the method and the thought thereof of the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the thought of the embodiment of the invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (12)
1. a server changing method is characterized in that, this method comprises:
After the success of first server registration, terminal is to the described first server subscription registration incident, and described registered events indicates described first server to judge that described terminal satisfies when switching to the switching condition of second server, sends to terminal and switches indication;
Address information according to the second server that carries in the described switching indication switches to described second server.
2. method according to claim 1 is characterized in that, described terminal specifically comprises to the described first server subscription registration incident:
Described terminal is added extend information in subscribe request, described extend information is used to ask described first server to notify described terminal when the login state of current terminal changes, and sends the switching indication to described terminal when described terminal satisfies switching condition;
Described subscribe request of having added extend information is sent to described first server.
3. method according to claim 1 is characterized in that, also comprises:
Described terminal sends de-registration request message to described first server, so that first server is nullified the log-on message of described terminal.
4. method according to claim 1 is characterized in that, the switching indication of the address information of carrying second server that described first server of described foundation returns switches to second server, specifically comprises:
Receive the switching indication of the Internet protocol IP address that carries second server that described first server returns;
According to the IP address of described second server to described second server subscription registration incident.
5. the control method switched of a server controls terminal is characterized in that this method comprises:
When terminal during to the first server subscription registration incident, described first server judges whether described terminal satisfies the switching condition that switches to second server, if, then send the switching indication of the address information that carries second server, so that described terminal switches to described second server according to described switching indication to described terminal.
6. method according to claim 5 is characterized in that, described first server judges that whether described terminal satisfies the switching condition that switches to second server, specifically comprises:
Whether the terminal number of hanging under described first server is judged has reached and has preestablished threshold value; Perhaps,
Described first server judges whether the occupancy of Installed System Memory continues to have reached predefined memory threshold in the set time;
Perhaps, described first server judges whether the utilization rate of system central processor CPU continues to have reached predefined CPU threshold value in the set time;
Perhaps, described first server checks whether described second server possesses the switching condition that presets.
7. a terminal is characterized in that, comprising:
The subscription registration event module, be used for after the success of first server registration, to the described first server subscription registration incident, described registered events indicates described first server judging that described terminal satisfies when switching to the switching condition of second server, sends to terminal and switches indication;
Handover module is used for switching to described second server according to the switch address information of indicating the second server that carries.
8. terminal according to claim 7 is characterized in that, described subscription registration event module specifically comprises:
Add submodule, be used for adding extend information in subscribe request, described extend information is used to ask described first server to notify described terminal when the login state of terminal changes, and sends the switching indication to described terminal when described terminal satisfies switching condition;
Send the subscribe request submodule, be used for described subscribe request of having added extend information is sent to described first server.
9. terminal according to claim 7 is characterized in that, described handover module specifically comprises:
Receive submodule, be used to receive the switching indication of the Internet protocol IP address that carries second server that described first server returns;
Subscription registration incident submodule is used for IP address according to described second server to described second server subscription registration incident.
10. terminal according to claim 7 is characterized in that, also comprises:
Send the de-registration request message module, be used for sending de-registration request message, so that first server is nullified the log-on message of described terminal to described first server.
11. a server is characterized in that, comprising:
Judge module is used for when terminal to server subscription registration incident, and described server judges whether described terminal satisfies the switching condition that switches to third-party server;
Send to switch indicating module, be used for when the result of described judge module when being, send the switching indication of the address information that carries described third-party server to described terminal switch to described third-party server so that the described switching of described terminal foundation is indicated.
12. server according to claim 11 is characterized in that, described judge module is used to specifically judge whether the occupancy of Installed System Memory continues to have reached predefined memory threshold in the set time; Perhaps, whether the utilization rate of system CPU continues to have reached predefined CPU threshold value in the set time.
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| CN2010101818705A CN102255875A (en) | 2010-05-20 | 2010-05-20 | Server switching method and system |
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| CN2010101818705A CN102255875A (en) | 2010-05-20 | 2010-05-20 | Server switching method and system |
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| CN103685166A (en) * | 2012-09-06 | 2014-03-26 | 中兴通讯股份有限公司 | Method and device for switching between main server and standby server for session initiation protocol terminal |
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| CN105450593A (en) * | 2014-08-07 | 2016-03-30 | 青岛海尔智能家电科技有限公司 | Method and device for registration |
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| CN106777144A (en) * | 2016-12-19 | 2017-05-31 | 武汉斗鱼网络科技有限公司 | A kind of server switching method and device |
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| WO2019100944A1 (en) * | 2017-11-24 | 2019-05-31 | 华为技术有限公司 | Method and device for switching between servers, and communication system |
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| CN110474933A (en) * | 2018-05-09 | 2019-11-19 | 视联动力信息技术股份有限公司 | A kind of terminal switch method and view networking management system |
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| CN105450593A (en) * | 2014-08-07 | 2016-03-30 | 青岛海尔智能家电科技有限公司 | Method and device for registration |
| CN104852837A (en) * | 2015-04-29 | 2015-08-19 | 北京海尔广科数字技术有限公司 | Multi-control-center switching method, multi-control-center switching device and control center in home network |
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| CN109842640A (en) * | 2017-11-24 | 2019-06-04 | 华为技术有限公司 | The method, apparatus and communication system of switching server |
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| CN109842639A (en) * | 2017-11-24 | 2019-06-04 | 华为技术有限公司 | Realize method, equipment and the system of business continuance in handoff procedure |
| CN109842639B (en) * | 2017-11-24 | 2020-09-08 | 华为技术有限公司 | Method, equipment and system for realizing service continuity in switching process |
| CN109842640B (en) * | 2017-11-24 | 2020-10-16 | 华为技术有限公司 | Server switching method, device and communication system |
| US11510118B2 (en) | 2017-11-24 | 2022-11-22 | Huawei Technologies Co., Ltd. | Server switching method and apparatus, and communications system |
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| CN108540546B (en) * | 2018-03-28 | 2021-10-08 | 深圳市网心科技有限公司 | Network node access control method, electronic device, network system, and storage medium |
| CN110474933A (en) * | 2018-05-09 | 2019-11-19 | 视联动力信息技术股份有限公司 | A kind of terminal switch method and view networking management system |
| CN110474933B (en) * | 2018-05-09 | 2022-09-20 | 视联动力信息技术股份有限公司 | Terminal exchange method and video network management system |
| CN114978871A (en) * | 2022-04-08 | 2022-08-30 | 北京航天飞行控制中心 | Node switching method and node switching device of service system and electronic equipment |
| CN114978871B (en) * | 2022-04-08 | 2023-10-24 | 北京航天飞行控制中心 | Node switching method and node switching device of service system and electronic equipment |
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