CN103118117A - Load balancing and redundancy protection method and device - Google Patents
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Abstract
The invention discloses load balancing and redundancy protection method and device. The method is applied to the device. The method includes: backing up a local portal system to obtain a plurality of backup portal systems; when receiving an access command, allowing a first name resolver corresponding to the local portal system to resolve; and when resolving time exceeds preset time or the local portal system fails, allowing a name resolver corresponding to the backup portal systems to resolve domain name information. Therefore, the problem of access blockage caused when the local portal system undertakes mass accessing is relieved.
Description
Technical field
The present invention relates to field of set-top, particularly a kind of load balancing and redundancy protected method and device.
Background technology
The two-way interaction set-top box is agreement (IP) exchange chip (main built-in ether exchange chip interconnected between the network that has increased a special use on traditional top box of digital machine, but also built-in adsl Modem, CABLE MODEM and WiMAX Modem etc.), it both can use video and data service by the passage of IP, can pass through again radio frequency (RF) cable TV passage and use video and data service.
Because present set-top box has had two-way transfer of data; so just can access gate system watches video, reads news, browsing page; interactive game etc.; bring the access a large amount of to gate system; can cause like this situations such as gate system obstruction; what this moment, the load balancing of gate system and redundancy protected method will become is extremely important, but at present, the problem that the access that has not but had a kind of effective mode to solve to have occurred gate system to occur is stopped up.
Summary of the invention
Problem to be solved by this invention is: a kind of load balancing and redundancy protected method and device are provided, do not have a kind of effective method to solve the access blockage problem that gate system occurs in prior art to solve.
Concrete scheme is as follows:
A kind of load balancing and redundancy protected method, described method comprises:
Local gate system is carried out back-up storage, obtain at least one backup gate system;
Receive access instruction, wherein, described access instruction comprises: domain-name information;
Whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system surpasses Preset Time, if, resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system, reference address according to described the first backup gate system conducts interviews, if not, obtain the reference address of corresponding described local gate system, the reference address of the described local gate system of foundation conducts interviews.
Preferably, also comprise:
Conduct interviews according to the reference address of described local gate system or the reference address of described the first backup gate system.
Preferably, also comprise:
When the time of described the second domain name mapping device parsing domain name information surpasses Preset Time, resolve domain name information by the 3rd domain name mapping device corresponding with the second backup gate system, obtain corresponding described the second reference address corresponding to backup gate system, circulation successively, resolve domain name information by the domain name mapping device, obtain corresponding reference address corresponding to described backup gate system.
A kind of load balancing and redundancy protection device comprise: backup device, receiver, the first domain name mapping device and the second domain name mapping device;
Described backup device is used for, and local gate system is carried out back-up storage, obtains at least one backup gate system;
Described receiver is used for, and receives access instruction, and wherein, described access instruction comprises: domain-name information;
Described the first domain name mapping device is used for, whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system surpasses Preset Time, if so, triggers described the second resolver work, if not, obtain the reference address of corresponding described local gate system;
Described the second domain name mapping device is used for, and when the time of described the first resolver resolves domain name information surpassed Preset Time, described the second domain name mapping device was resolved domain name information, obtains the reference address of the first corresponding backup gate system.
Preferably, also comprise: the first accessor and the second accessor;
Described the first accessor is used for, and the reference address of the described local gate system of foundation conducts interviews;
Described the second accessor is used for, and conducts interviews according to the described first reference address that backs up gate system
Preferably, also comprise: the 3rd domain name mapping device;
Described the 3rd domain name mapping device is used for, when the time of described the second domain name mapping device parsing domain name information surpasses Preset Time, trigger described the 3rd domain name mapping device and resolve domain name information, obtain corresponding described the second reference address corresponding to backup gate system.
as can be seen from the above technical solutions, the invention provides a kind of load balancing and redundancy protected method and device, described method is applied in described device, in described method, described local gate system is backed up, obtain a plurality of backup gate systems, when receiving access instruction, resolved by the first domain name mapping device corresponding with described local gate system, surpass Preset Time when the parsing time, perhaps when described local gate system breaks down, resolve domain name information by the domain name mapping device corresponding with described backup gate system, so just can alleviate when local gate system is carried out the access of large magnitude, the problem that access is stopped up appears.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, the accompanying drawing that the following describes is only some embodiment that put down in writing in the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed a kind of load balancing of the embodiment of the present invention one and redundancy protected method schematic flow sheet;
Fig. 2 is the disclosed a kind of load balancing of the embodiment of the present invention two and redundancy protected method schematic flow sheet;
Fig. 3 is the disclosed a kind of load balancing of the embodiment of the present invention three and redundancy protection device structural representation;
Fig. 4 is the disclosed a kind of load balancing of the embodiment of the present invention four and redundancy protection device structural representation;
Fig. 5 is the disclosed a kind of load balancing of the embodiment of the present invention five and redundancy protection device structural representation.
Embodiment
Along with popularizing of Digital Television, naturally just need to arrive set-top box, described set-top box is the equipment of a connecting TV machine and outside source.It can change into television content with the digital signal of compression, and shows on television set.Signal can be from wire cable, satellite antenna, broadband network and terrestrial broadcasting.The content that set-top box receives is except audio frequency and video, and more being can the receive data content, comprises electronic program guides, internet webpage, captions etc.Make the user watch digital television program on existing television set, and can carry out interactive digital amusement, education and commercialization activity by network.
In the present invention be mainly for can by network carry out occurring in interactive visit for the gate system visit capacity problem that the access that causes stops up that increases.
The present invention proposes a kind of load balancing and redundancy protected method, described load balancing and redundancy protecting technology are exactly a kind of a kind of resist technology that increases the reliability of system by multiple duplication, the redundancy protected method that provides in the present invention namely, local gate system is carried out back-up storage, obtain at least one backup gate system, wherein, corresponding domain name mapping device of each backup gate system;
Reception comprises the access instruction of domain-name information, resolves domain name information by the first domain name mapping device corresponding with described local gate system, and wherein, described the first domain name mapping device and described local gate system are shared one group of server;
The time of resolving domain name information when described the first domain name mapping device has surpassed Preset Time, resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system, and conduct interviews according to described reference address, if described the first domain name mapping device resolve the time of domain name information do not surpass default actual that, obtain the reference address of corresponding described local gate system;
Circulation, can pass through domain name resolver resolves domain name information successively, obtains corresponding reference address corresponding to described backup gate system.
It is more than core concept of the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to protection scope of the present invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the present invention one discloses a kind of load balancing and redundancy protected method, and is shown in Figure 1, and described method comprises:
Step S101: local gate system is carried out back-up storage, obtain at least one backup gate system;
Wherein, local gate system is carried out back-up storage, obtain several backup gate systems, the corresponding domain name mapping device of described each backup gate system;
Step S102: receive access instruction, wherein, described access instruction comprises: domain-name information;
Wherein, domain name information namely: www.sina.com;
Step S103: whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system is more than Preset Time, if so, and execution in step S104, if not, execution in step S105;
wherein, the time that described the first domain name mapping device is resolved domain name information can be set a period of time according to actual needs, such as 2S or 3S, that is to say when the time that described the first domain name mapping device is resolved domain name information and surpassed this predetermined 2S or the words of 3S, the fault that described local gate system occurs just is described, excessive or the some other problem of local gate system load, due to described the first domain name mapping device and the shared station server of described local gate system, the first so same domain name mapping device also just quits work, at this moment, will execution in step S104,
Step S104: resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system;
Wherein, after described the first domain name mapping device quits work, can resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system;
Step S105: the reference address that obtains corresponding described local gate system;
Wherein, when described the first domain name mapping device work, can obtain the reference address corresponding with described local gate system.
the present embodiment discloses a kind of load balancing and redundancy protected method, described method is applied in set-top box, comprise: at first local gate system is carried out back-up storage, obtain at least one backup gate system, secondly, reception includes the access instruction of domain-name information, the time of resolving domain name information when the first domain name mapping device corresponding with described local gate system surpasses Preset Time, resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system, if resolving the time of domain name information, described the first domain name mapping device do not surpass Preset Time, can obtain the reference address of corresponding described local gate system, in described method, described local gate system is backed up, obtain a plurality of backup gate systems, when receiving access instruction, resolved by the first domain name mapping device corresponding with described local gate system, surpass Preset Time when the parsing time, perhaps when described local gate system breaks down, resolve domain name information by the domain name mapping device corresponding with described backup gate system, so just can alleviate when local gate system is carried out the access of large magnitude, the problem that access is stopped up appears.
The embodiment of the present invention two discloses a kind of load balancing and redundancy protected method, and is shown in Figure 2, and described method comprises:
Step S201: local gate system is carried out back-up storage, obtain at least one backup gate system;
Wherein, local gate system is carried out back-up storage, obtain several backup gate systems, the corresponding domain name mapping device of described each backup gate system;
Step S202: receive access instruction, wherein, described access instruction comprises: domain-name information;
Wherein, domain name information namely: www.sina.com;
Step S203: whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system is more than Preset Time, if so, and execution in step S204, if not, execution in step S205;
wherein, the time that described the first domain name mapping device is resolved domain name information can be set a period of time according to actual needs, such as 2S or 3S, that is to say when the time that described the first domain name mapping device is resolved domain name information and surpassed this predetermined 2S or the words of 3S, the fault that described local gate system occurs just is described, excessive or the some other problem of local gate system load, due to described the first domain name mapping device and the shared station server of described local gate system, the first so same domain name mapping device also just quits work, at this moment, will execution in step S204,
Step S204: resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system, execution in step S206;
Wherein, after described the first domain name mapping device quits work, can resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system, execution in step S206;
Step S205: obtain the reference address of corresponding described local gate system, execution in step S207;
Wherein, when described the first domain name mapping device work, can obtain the reference address corresponding with described local gate system, execution in step S207;
Step S206: the reference address according to described the first backup gate system conducts interviews;
Step S207: the reference address according to described local gate system conducts interviews.
need to prove, described local gate system backs up, can obtain a plurality of backup gate systems, when described local gate system visit capacity increase or fault occurring, the first domain name mapping device corresponding with described local gate system will quit work, at this moment, resolved by the second domain name mapping device corresponding with the first backup gate system, obtain corresponding reference address, when described the second domain name mapping device also occurs quitting work, resolve domain name information by the 3rd domain name mapping device corresponding with the second backup gate system, so just 1,000,000 grades of other visit capacities have been carried out balance, share to a plurality of standby systems operate, realized the protection to gate system, but due to cost, the problems such as scale, described local gate system can be backed up, obtain a backup gate system, in the application with respect to intelligent DNS system, cost reduces, because described intelligent DNS system has gone out outside two domain name mapping devices, also can need to control the main control unit of domain name resolver, and the application is in the situation that do not increase main control unit, completed by the main control unit in existing set-top box, do not need extra increase, so cost is low much with respect to described intelligent DNS system.
the present embodiment discloses a kind of load balancing and redundancy protected method, described method is on the basis of embodiment one, having increased the reference address of described first a backup gate system or the reference address of the described local gate system of foundation conducts interviews, described method backs up described local gate system, obtain backing up gate system, the corresponding domain name mapping device of each backup gate system, when described local gate system visit capacity sharp increase occurring, the time that domain name information can appear resolving in the first domain name mapping device corresponding with local gate system exceeds Preset Time, at this moment can resolve domain name information by the domain name mapping device corresponding with described backup gate system, realized purpose that visit capacity is shared, so just can not increase severely because of visit capacity, cause the user can't have access to the problem of system information.
On the basis of above embodiment, preferred scheme also comprises: when the time of described the second domain name mapping device parsing domain name information surpasses Preset Time, resolve domain name information by the 3rd domain name mapping device corresponding with the second backup gate system, obtain corresponding described the second reference address corresponding to backup gate system, circulation successively, resolve domain name information by the domain name mapping device, obtain corresponding reference address corresponding to described backup gate system.
the present embodiment discloses a kind of load balancing and redundancy protected method, described method backs up described local gate system, obtain backing up gate system, the corresponding domain name mapping device of each backup gate system, when described local gate system visit capacity sharp increase occurring, the time that domain name information can appear resolving in the first domain name mapping device corresponding with local gate system exceeds Preset Time, at this moment can resolve domain name information by the domain name mapping device corresponding with described backup gate system, realized purpose that visit capacity is shared, so just can not increase severely because of visit capacity, cause the user can't have access to the problem of system information.
The present embodiment three discloses a kind of load balancing and redundancy protection device, and is shown in Figure 3, and described device comprises: backup device 101, receiver 102, the first domain name mapping device 103 and the second domain name mapping device 104;
Described backup device 101 is used for, and local gate system is carried out back-up storage, obtains at least one backup gate system;
Wherein, local gate system is carried out back-up storage, obtain several backup gate systems, the corresponding domain name mapping device of described each backup gate system;
Described receiver 102 is used for, and receives access instruction, and wherein, described access instruction comprises: domain-name information;
Wherein, domain name information namely: www.sina.com;
Described the first domain name mapping device 103 is used for, whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system surpasses Preset Time, if, trigger described the second resolver work, if not, obtain the reference address of corresponding described local gate system;
Wherein, the time that described the first domain name mapping device 103 is resolved domain name information can be set a period of time according to actual needs, such as 2S or 3S, that is to say when the time that described the first domain name mapping device is resolved domain name information and surpassed this predetermined 2S or the words of 3S, with regard to fault or the some other problem that illustrates that described local gate system occurs, due to described the first domain name mapping device and the shared station server of described local gate system, the first so same domain name mapping device 101 also just quits work, and triggers described the second resolver 104 work;
Need to prove, can comprise determining device in described the first domain name mapping device 103, described determining device is used for, whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system surpasses Preset Time, if, trigger described the second domain name mapping device work, if not, trigger described the first domain name mapping device work;
Described the second domain name mapping device 104 is used for, and when the time of described the first resolver resolves domain name information surpassed Preset Time, described the second domain name mapping device was resolved domain name information, obtains the reference address of the first corresponding backup gate system;
Wherein, after described the first domain name mapping device quits work, can resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system.
the present embodiment discloses a kind of load balancing and redundancy protection device, described device comprises: backup device, receiver, the first domain name mapping device and the second domain name mapping device, described backup device is used for local gate system is backed up, obtain at least one backup gate system, described receiver is used for receiving the access instruction that comprises domain-name information, described the first domain name mapping device is used for the judgement first domain name mapping device corresponding with described local gate system and whether resolves the time of domain name information over Preset Time, if, trigger described the second resolver work, if not, described the first resolver work, obtain the reference address of corresponding described local gate system, described local gate system is backed up, obtain a plurality of backup gate systems, when receiving access instruction, resolved by the first domain name mapping device corresponding with described local gate system, surpass Preset Time when the parsing time, perhaps when described local gate system breaks down, resolve domain name information by the domain name mapping device corresponding with described backup gate system, so just can alleviate when local gate system is carried out the access of large magnitude, the problem that access is stopped up appears.
The present embodiment four discloses a kind of load balancing and redundancy protection device, and is shown in Figure 4, and described device comprises: backup device 101, receiver 102, the first domain name mapping device 103, the second domain name mapping device 104, the first accessor 105 and the second accessor 106;
Wherein, described backup device 101, described receiver 102, described the first domain name mapping device 103 and described the second domain name mapping device 104 are consistent with the disclosed described backup device 101 of embodiment three, described receiver 102, described the first domain name mapping device 103 and described the second domain name mapping device 104;
Described the first accessor 105 is connected with described the first domain name mapping device 103, is used for conducting interviews according to the reference address of described local gate system;
Described the second accessor 106 is connected with described the second domain name mapping device 104, is used for conducting interviews according to the reference address of described the first backup gate system.
the present embodiment discloses a kind of load balancing and redundancy protection device, described device is except comprising the described backup device in embodiment, described receiver, outside described the first domain name mapping device and described the second domain name mapping device, also comprise the first accessor and the second accessor, for obtain reference address corresponding to reference address corresponding to described local gate system or described the first backup gate system when parsing after, the first accessor can conduct interviews according to the reference address of described local gate system, the second accessor can conduct interviews according to the reference address of described the first backup gate system, so just 1,000,000 grades of other visit capacities have been carried out balance, share to a plurality of standby systems operate, realized the protection to gate system.
On the basis of embodiment three, preferred, described redundancy protection device also comprises: the 3rd domain name mapping device, and shown in Figure 5;
Described the 3rd domain name mapping device 107 is used for, when the time that described the second domain name mapping device 106 is resolved domain name information surpasses Preset Time, trigger described the 3rd domain name mapping device 107 and resolve domain name information, obtain corresponding described the second reference address corresponding to backup gate system;
Need to prove, in order to access described the second backup gate system, can be connected the 3rd accessor with described the 3rd domain name mapping device, described accessor can conduct interviews according to the reference address of described the second backup gate system.
a kind of load balancing and redundancy protection device are disclosed in the present embodiment, described device has increased by the 3rd domain name mapping device on the basis of embodiment three and embodiment four, described local gate system is backed up, obtain backing up gate system, the corresponding domain name mapping device of each backup gate system, when described local gate system visit capacity sharp increase occurring, the time that domain name information can appear resolving in the first domain name mapping device corresponding with local gate system exceeds Preset Time, at this moment can resolve domain name information by the domain name mapping device corresponding with described backup gate system, realized purpose that visit capacity is shared, so just can not increase severely because of visit capacity, cause the user can't have access to the problem of system information.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.For the disclosed device of embodiment, because it is corresponding with the disclosed method of embodiment, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment is apparent to those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wide region consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a load balancing and redundancy protected method, is characterized in that, described method comprises:
Local gate system is carried out back-up storage, obtain at least one backup gate system;
Receive access instruction, wherein, described access instruction comprises: domain-name information;
Whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system surpasses Preset Time, if, resolve domain name information by the second domain name mapping device corresponding with the first backup gate system, obtain the reference address of corresponding described the first backup gate system, reference address according to described the first backup gate system conducts interviews, if not, obtain the reference address of corresponding described local gate system, the reference address of the described local gate system of foundation conducts interviews.
2. method according to claim 1, is characterized in that, also comprises:
Conduct interviews according to the reference address of described local gate system or the reference address of described the first backup gate system.
3. method according to claim 1, is characterized in that, also comprises:
When the time of described the second domain name mapping device parsing domain name information surpasses Preset Time, resolve domain name information by the 3rd domain name mapping device corresponding with the second backup gate system, obtain corresponding described the second reference address corresponding to backup gate system, circulation successively, resolve domain name information by the domain name mapping device, obtain corresponding reference address corresponding to described backup gate system.
4. a load balancing and redundancy protection device, is characterized in that, comprising: backup device, receiver, the first domain name mapping device and the second domain name mapping device;
Described backup device is used for, and local gate system is carried out back-up storage, obtains at least one backup gate system;
Described receiver is used for, and receives access instruction, and wherein, described access instruction comprises: domain-name information;
Described the first domain name mapping device is used for, whether the time that judges the first domain name mapping device parsing domain name information corresponding with described local gate system surpasses Preset Time, if so, triggers described the second resolver work, if not, obtain the reference address of corresponding described local gate system;
Described the second domain name mapping device is used for, and when the time of described the first resolver resolves domain name information surpassed Preset Time, described the second domain name mapping device was resolved domain name information, obtains the reference address of the first corresponding backup gate system.
5. device according to claim 4, is characterized in that, also comprises: the first accessor and the second accessor;
Described the first accessor is used for, and the reference address of the described local gate system of foundation conducts interviews;
Described the second accessor is used for, and conducts interviews according to the described first reference address that backs up gate system.
6. device according to claim 4, is characterized in that, also comprises: the 3rd domain name mapping device;
Described the 3rd domain name mapping device is used for, when the time of described the second domain name mapping device parsing domain name information surpasses Preset Time, trigger described the 3rd domain name mapping device and resolve domain name information, obtain corresponding described the second reference address corresponding to backup gate system.
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| CN105245633A (en) * | 2015-10-19 | 2016-01-13 | 北京奇虎科技有限公司 | Safe domain name system and fault handling method |
| WO2017067443A1 (en) * | 2015-10-19 | 2017-04-27 | 北京奇虎科技有限公司 | Security domain name system and fault processing method therefor |
| CN114338592A (en) * | 2021-12-31 | 2022-04-12 | 中国电信股份有限公司 | Address resolution processing method, system, device, electronic equipment and storage medium |
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