CN105812437A - Business distribution method, system and related device - Google Patents
Business distribution method, system and related device Download PDFInfo
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- CN105812437A CN105812437A CN201410854235.7A CN201410854235A CN105812437A CN 105812437 A CN105812437 A CN 105812437A CN 201410854235 A CN201410854235 A CN 201410854235A CN 105812437 A CN105812437 A CN 105812437A
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Abstract
The invention discloses a business distribution method, system and related device, and the method comprises the steps: receiving first information which is actively uploaded by one or more servers in a server group; determining a load balance strategy to be employed according to the received first information; and distributing businesses to the servers in the server group according to the load balance strategy and the current state information of the servers in the server group. The method can improve the flexibility of load balance, can achieve a good load balance effect, and is wider in application range.
Description
Technical field
The present invention relates to load balancing field, particularly relate to a kind of distribution of services method, system and relevant apparatus.
Background technology
Fast development along with internet, the continuous expansion of userbase, business makes improving constantly of consumption, network data access quantity quickly increases, flow increases rapidly, the server of data center, large enterprise and portal website etc. is flooded by data gradually, and network portion congestion situation is day by day serious.In the face of this phenomenon, need to improve the disposal ability of single server on the one hand, adopt high performance server；The mode of server cluster can be adopted on the other hand, use multiple servers to connect into an entirety, by parallel processing extensions performance.The mode of current server cluster is widely adopted, and multiple servers connects into an entirety by LAN, thus with significantly high overall performance such as response time, throughput etc., higher cost performance, it is achieved the behavior extension of server.
Multiple servers is connected to form a server cluster by the network equipment, and every station server all provides same or like network service.For more efficient work, need in server cluster front end to dispose a load-balancing device.Load-balancing device groundwork is that load is carried out equilibrium, according to the balance policy configured, user's request is distributed in server cluster, thus realizing the equally loaded of whole system, the disposal ability of guarantee system and process quality, simultaneously load equalizer is also directed to server availability and safeguards.Current load equalizer has two kinds of forms, is the load equalizer of the load balancing device of hardware and software form respectively.Software form is relatively more flexible relative to hardware box, but at the far not enough hardware load balancer of aspect of performance.
Load-balancing device needs according to certain algorithm, service traffics are distributed to different servers, and this distribution algorithms is exactly load balance scheduling algorithm.Dispatching algorithm refers to the flow needing load balancing, according to the server in certain strategy distribution to the server zone specified so that each station server keeps load balancing as much as possible.Load-balancing technique has abundant load balance scheduling algorithm, is divided into two classes on a large scale: static scheduling algorithm and dynamic dispatching algorithm.
State algorithm refers to and is distributed according to strategy set in advance, is left out the actual loading situation of current each server.Typically by polling method, weighting method, Hash load-balancing algorithm etc. belong to state algorithm.State algorithm is simple and dispatches quick, but maximum has a problem in that shortage perception.
Dynamic algorithm, it is possible to being attached distribution according to the loading condition of server actual motion, distribution effect is more balanced.Dynamic algorithm traditional at present includes, Smallest connection algorithm, bandwidth, time delay.
Current load equalizer is capable of the dynamic and static load balancing algorithm that great majority are conventional, and user can select the load-balancing algorithm being suitable for as required.For static load-balancing algorithm, mainly it is applied to the scene that simple and dynamic change is little, for server conditions change unaware, thus has some limitations；And Dynamic Load-balancing Algorithm compensate for this shortcoming, certain timely responding to can be made according to server conditions load equalizer, but this response also has certain unicity, and be local algorithm, as adopted Smallest connection algorithm to react according to each server connections of statistics on load equalizer, adopting minimum discharge algorithm to react according to the flow of each server carrying of statistics on load equalizer, adopting minimal time delay algorithm is also react according to each server time response of statistics on load equalizer.This dynamic response, simply perform load-balancing algorithm according to single index, it is unable to reach desirable load balancing, and this locality algorithm is based on the load equalizer relevant information by the communications records with server, and these information are relatively easy, do not possess integrity, do not possess real-time yet, affect load balancing effect.
Summary of the invention
In view of this, for solving the technical problem of existing existence, the embodiment of the present invention provides:
A kind of distribution of services method, including:
Receive the first information of one or more server active reportings in server zone；
The first information according to described reception, it is determined that need the load balancing adopted；
According to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone.
In one specific embodiment, the method also includes: obtain the current state information of server in server zone by one or more of mode:
Actively obtain to server；
By server active reporting, namely obtain from the first information of described server active reporting；
Obtain according to default setting.
In one specific embodiment, the described first information includes server physical hardware information and/or business information.
In one specific embodiment, the described first information also includes precedence information.
In one specific embodiment, according to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone, including:
The status information of server corresponding according to described load balancing and the weights of each status information are weighted；
According to the weighted value calculated, it is determined that described server undertakes the ability of business；
The ability of business is undertaken, to described server distribution service according to described server.
The embodiment of the present invention also provides for a kind of based on distribution of services device, including: receiver module, load balancing determine module and distribution of services module；Wherein,
Described receiver module, for receiving the first information of one or more server active reportings in server zone；
Described load balancing determines module, for the first information according to described reception, it is determined that need the load balancing adopted；
Described distribution of services module, for according to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone.
In one specific embodiment, this device also includes state information acquisition module,
Described state information acquisition module, for obtaining the current state information of server in server zone by one or more of mode: actively obtain to server；By server active reporting, namely obtain from the first information of described server active reporting；Obtain according to default setting.
In one specific embodiment, the first information that described receiver module receives includes server physical hardware information and/or business information.
In one specific embodiment, the first information that described receiver module receives also includes precedence information.
In one specific embodiment, described distribution of services module, it is weighted for the status information of server corresponding according to described load balancing and the weights of each status information；According to the weighted value calculated, it is determined that described server undertakes the ability of business；The ability of business is undertaken, to described server distribution service according to described server.
The embodiment of the present invention also provides for a kind of server, including: data obtaining module and reporting module；Wherein,
Described data obtaining module, is used for obtaining server physical hardware information and/or business information；
Described reporting module, for reporting server physical hardware information and/or the business information of described acquisition to distribution of services device.
In one specific embodiment, described reporting module, specifically for carrying out information reporting according to default priority, and/or, the precedence information of reporting information.
The embodiment of the present invention also provides for a kind of distribution of services system, including distribution of services device and server zone, it is characterised in that
Described distribution of services device is above-mentioned distribution of services device；
Server in described server zone is above-mentioned server.
Distribution of services method described in the embodiment of the present invention, system and relevant apparatus, receive the first information of one or more server active reportings in server zone；The first information according to described reception, it is determined that need the load balancing adopted；Load balancing is carried out, to the server distribution service in described server zone according to the current state information of server in described load balancing and described server zone.In the embodiment of the present invention, the first information (such as server physical hardware information and/or business information) that network side reports based on server determines the load balancing needing to adopt, the load-balancing algorithm single compared to existing employing carries out the mode of distribution of services, the motility of load balancing can be improved, and good load balancing effect can be reached.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention one distribution of services method flow schematic diagram；
Fig. 2 is embodiment of the present invention one distribution of services apparatus structure schematic diagram；
Fig. 3 is another distribution of services apparatus structure schematic diagram of the embodiment of the present invention；
Fig. 4 is the structural representation of a kind of server of the embodiment of the present invention；
Fig. 5 is the adaptive interaction technology schematic block diagram based on server described in the embodiment of the present invention 1；
Fig. 6 is that in the embodiment of the present invention 1, plug-in unit and load balancing determine that module interacts the process schematic of transmission information；
Fig. 7 is that in the embodiment of the present invention 1, plug-in unit and load balancing determine that module interacts the flow chart of transmission information.
Detailed description of the invention
In order to avoid adopting the existing conventional technical problem carrying out distribution of services existence according to dynamic and static load balancing algorithm, the embodiment of the present invention provides a kind of distribution of services method, as it is shown in figure 1, the method includes:
Step 11: receive the first information of one or more server active reportings in server zone；
The embodiment of the present invention is passively accepted load balancing by traditional server and is changed to server active reporting self-condition to load equalizer so that interaction is more scientific, and here, server can automatically report the first information in the way of MIB library inquiry.
The described first information can include server physical hardware information (taking situation, EMS memory occupation situation, server temperature etc. such as CPU) and/or business information (such as service connection number, service traffics, service delay etc.).
It should be noted that for the first information, server can report according to certain priority, and/or, the precedence information of further reporting information, for load equalizer reference.
In one specific embodiment, the first information can also include precedence information.It should be noted that described precedence information can be the precedence information of server physical hardware information and/or business information.The weighted value that different priorities is corresponding different.
It should be noted that server can periodically report, it is also possible to report when triggering pre-conditioned.
Step 12: the first information according to described reception, it is determined that need the load balancing adopted；
In the embodiment of the present invention, by server real-time report to the self information (first information) of distribution of services device, dynamically carry out the scheduling of load balancing, possess real-time.The complete server hardware information reported in particular according to server and business information carry out Comprehensive Evaluation selection algorithm strategy so that load balancing is more abundant.
It should be noted that load balancing is relevant with the information type of part or full detail in the first information, and/or, relevant with the value of information of part or full detail in the first information.
Step 13: according to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone.
In the embodiment of the present invention, distribution of services device carries out the distribution of business according to the load balancing that the first information from server obtains, and is conducive to improving the performance of load equalizer.
Here it is possible to obtain the current state information of server in server zone by one or more of mode:
Actively obtained to server by distribution of services device；
Actively reported to distribution of services device by server, namely obtain from the first information of described server active reporting；
Obtain according to default setting.Such as, default server not to distribution of services device reporting information, represents that this server load is lower than preset value in preset time period.
In one specific embodiment, according to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone, including:
The status information of server corresponding according to described load balancing and the weights of each status information are weighted；
According to the weighted value calculated, it is determined that described server undertakes the ability of business；
The ability of business is undertaken, to described server distribution service according to described server.
The embodiment of the present invention also correspondingly proposes a kind of distribution of services device, as in figure 2 it is shown, this distribution of services device includes: receiver module 21, load balancing determine module 22 and distribution of services module 23；Wherein,
Described receiver module 21, for receiving the first information of one or more server active reportings in server zone；
Here, the first information that described receiver module 21 receives includes server physical hardware information and/or business information.
In one specific embodiment, the first information that receiver module 21 receives also includes precedence information.
Described load balancing determines module 22, for the first information according to described reception, it is determined that need the load balancing adopted；
Described distribution of services module 23, for according to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone.
In one specific embodiment, described distribution of services module 23, it is weighted for the status information of server corresponding according to described load balancing and the weights of each status information；According to the weighted value calculated, it is determined that described server undertakes the ability of business；The ability of business is undertaken, to described server distribution service according to described server.
In one specific embodiment, as it is shown on figure 3, this distribution of services device also includes state information acquisition module 24,
Described state information acquisition module 24, for obtaining the current state information of server in server zone by one or more of mode: actively obtain to server；By server active reporting, namely obtain from the first information of described server active reporting；Obtain according to default setting.
The embodiment of the present invention also correspondingly proposes a kind of server, and as shown in Figure 4, this server includes: data obtaining module 41 and reporting module 42；Wherein,
Described data obtaining module 41, is used for obtaining server physical hardware information and/or business information；
Described reporting module 42, for reporting server physical hardware information and/or the business information of described acquisition to distribution of services device.
In one specific embodiment, described reporting module, specifically for carrying out information reporting according to default priority, and/or, the precedence information of reporting information.
The embodiment of the present invention also correspondingly proposes a kind of distribution of services system, including load equalizer and server zone, wherein,
Described distribution of services device is the distribution of services device shown in Fig. 2 or 3；
Server in described server zone is the server shown in Fig. 4.
It should be noted that in the embodiment of the present invention, the modules in distribution of services device may be located at Same Physical entity (such as load equalizer), it is also possible to is positioned at different physical entities.When distribution of services module is load equalizer, receiver module and load balancing are determined when module is arranged independent of load equalizer, independent information processing can alleviate the pressure of load equalizer, on the other hand, based on above-described embodiment, the information that server reports is more accurately more complete more in real time, there is the information of priority be easy to load balancing and determine the differentiation information of module and carry out total score analysis, select various weights flexibly, choose suitable load-balancing algorithm, thus realizing the sufficient load balancing of server cluster.
Below by specific embodiment, technical scheme is described in further detail.
Embodiment 1
The present embodiment proposes a kind of distribution of services technology, and this technology is that load equalizer provides a kind of new interaction technique with server and a kind of new load balancing, is namely selected load-balancing algorithm by the integrated status of server.
Fig. 5 is the distribution of services system schematic block diagram described in the embodiment of the present invention 1, as shown in Figure 5, distribution of services system described in the present embodiment includes: server, load balancing determine module and load equalizer, load balancing determines that module can arrange independent of load equalizer or be arranged in load equalizer, with load balancing, the present embodiment determines that module and load equalizer are independently set to example, wherein:
Server collects the Global Information of server by plug-in unit, and provides server interface, and to load balancing, the information reporting of server is determined module.Information includes physical hardware information and the business information of server.
Load balancing determines that module (such as core processor) can be hardware box, is responsible for accepting the information that server reports, information is processed, and final decision goes out the algorithm of load balancing.Load balancing determines that module and load equalizer communicate, and informs its load-balancing algorithm, and load equalizer recycles this load-balancing algorithm by distribution of services to server zone.Distribution of services is mutual, due to server can dynamic reporting information, module dynamically processes information now to need load balancing to determine, according to the load balancing that the selection of the current state of server is suitable, thus realizing adaptation function.
So load balancing determines that module is divided into information part and information processing two parts (corresponding receiver module 21 and load balancing determine module 22 respectively).
In the present embodiment, adaptive interaction technology based on server implements the content relating to several aspect, specifically include plug-in unit and load balancing determines that module interacts the process of transmission information, load balancing determines the process of resume module server info, and load balancing determines the process that module and load equalizer communicate, it is described in detail below:
1. server plug-ins and load balancing determine that module interacts the process of transmission information
Fig. 6 show server plug-ins and load balancing determines that module interacts the process schematic of transmission information, Fig. 7 show server plug-ins and load balancing determines that module interacts the flow chart of transmission information, with reference to Fig. 6 and Fig. 7, the plug-in unit being responsible for collecting server Global Information communicates information to load balancing when determining module, the information of server reports with the form in MIB storehouse, passes to load balancing by host-host protocol and determines module.It is a kind of NMP based on TCP/IP that host-host protocol is similar to SNMP, safe and reliable for guarantee information, adopts TCP as transport layer protocol, can manage the network equipment of support agent process.This agreement supports management information bank (MIB).The useful information of MIB library storage is broadly divided into two classes, and a class is server physical hardware information, and a class is business information.Physical hardware information spinner to include that the CPU of server takies situation, EMS memory occupation situation, hard disk take the information such as situation, server temperature；Business information mainly includes the information such as the service connection number of server, service interface flow, service delay.In order to two kind information are distinguished, and same category of information is made certain priority, during TCP encapsulation, in TCP header option field, the priority of information is made certain regulation.Choosing 1 bit in option field, 0 represents physics hardware information, and 1 represents business information.Choose 2 bits in option field, represent concrete information.
Plug-in unit and load balancing determine that the field that module interacts in the information of transmission with characterization information can be as shown in table 1:
Table 1
2. load balancing determines the process of resume module server info
Load balancing determines that module is after the information that interface to plug-in unit transmits, and carries out the process of information, the message according to transmission, and information is made a distinction.Priority aspect, the priority of physical hardware information is higher than the priority of business information.So the information priorities that information category Q-character is 0 is the information of 1 higher than information category Q-character.
Information category is characterized as that alarm occurs in the server info of 0, then get rid of the physical server of this correspondence in this load-balancing algorithm；Information category is characterized as that alarm occurs in the server info of 1, then get rid of the physical server of this correspondence in this load-balancing algorithm.When occurring without alarm, information category is characterized as to the server of 0, sets certain weights according to CPU, internal memory and hard disk and temperature conditions, carry out the load-balancing algorithm to physical server to calculate, if CPU is 25%, inside save as 25%, hard disk is 25%, and temperature is 25%.Hardware information for current server is weighted (the more big expression performance of number is more poor), determines the ratio of load balancing according to weighted results.Such as server A weighting total: server B weighting total: server C weighting total=1:2:3, then should be 3:2:1 after traffic load balance being undertaken for three servers.Similarly, for the situation occurring without alarm, information category being characterized as to the server of 1, information such as connecting number, flow, time delay is done certain weighted calculation by the certain weights of equally possible setting, so that it is determined that the ratio of load balancing.Information category is characterized as to 0 and 1, it is also possible to entirety does weighted calculation, considers physical hardware information and business information thus balanced.Specific algorithm can set flexibly according to application scenarios.
3. load balancing determines the process that module and load equalizer communicate
Load balancing determines that TCP can be adopted between module and load equalizer to connect to be communicated, and comprises the load balancing that load equalizer should issue in message information.
According to foregoing description, the embodiment of the present invention possesses following characteristics:
1, determined module by server active reporting information to load balancing, traditional server passively accept load balancing and be changed to server actively；
2, real-time can be realized based on the host-host protocol of TCP, by server real-time report to load equalizer self information, dynamically carry out the scheduling of load balancing, and Transmission Control Protocol can ensure the safety of connection.
3, determined that module is responsible for the complete information that processing server reports by independent load balancing, according to load balancing, load equalizer determines that the load balancing that module processing information obtains carries out the distribution of strategy, achieve the separation processing and forwarding, be conducive to improving the performance of load equalizer.
4, information server reported by the option field of TCP is made a distinction, it is possible to the priority of information is identified, it is simple to information processing below；
5, load equalizer reports according to server complete server hardware information and the information of business carry out Comprehensive Evaluation selection algorithm strategy so that load balancing is more abundant, and by arranging different weights, algorithm is more flexible.
Above-mentioned each unit can by the central processing unit (CentralProcessingUnit in electronic equipment, CPU), digital signal processor (DigitalSignalProcessor, DSP) or programmable logic array (Field-ProgrammableGateArray, FPGA) realize.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of hardware embodiment, software implementation or the embodiment in conjunction with software and hardware aspect.And, the present invention can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory and optical memory etc.) wherein including computer usable program code.
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe.It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
The above, be only presently preferred embodiments of the present invention, is not intended to limit protection scope of the present invention.
Claims (13)
1. a distribution of services method, it is characterised in that the method includes:
Receive the first information of one or more server active reportings in server zone；
The first information according to described reception, it is determined that need the load balancing adopted；
According to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone.
2. method according to claim 1, it is characterised in that the method also includes: obtain the current state information of server in server zone by one or more of mode:
Actively obtain to server；
By server active reporting, namely obtain from the first information of described server active reporting；
Obtain according to default setting.
3. method according to claim 1, it is characterised in that the described first information includes server physical hardware information and/or business information.
4. method according to claim 3, it is characterised in that the described first information also includes precedence information.
5. the method according to any one of Claims 1-4, it is characterised in that according to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone, including:
The status information of server corresponding according to described load balancing and the weights of each status information are weighted；
According to the weighted value calculated, it is determined that described server undertakes the ability of business；
The ability of business is undertaken, to described server distribution service according to described server.
6. a distribution of services device, it is characterised in that this device includes: receiver module, load balancing determine module and distribution of services module；Wherein,
Described receiver module, for receiving the first information of one or more server active reportings in server zone；
Described load balancing determines module, for the first information according to described reception, it is determined that need the load balancing adopted；
Described distribution of services module, for according to the current state information of server in described load balancing and described server zone, to the server distribution service in described server zone.
7. device according to claim 6, it is characterised in that this device also includes state information acquisition module,
Described state information acquisition module, for obtaining the current state information of server in server zone by one or more of mode: actively obtain to server；By server active reporting, namely obtain from the first information of described server active reporting；Obtain according to default setting.
8. device according to claim 6, it is characterised in that
The first information that described receiver module receives includes server physical hardware information and/or business information.
9. device according to claim 8, it is characterised in that
The first information that described receiver module receives also includes precedence information.
10. the device according to any one of claim 6 to 9, it is characterised in that
Described distribution of services module, is weighted for the status information of server corresponding according to described load balancing and the weights of each status information；According to the weighted value calculated, it is determined that described server undertakes the ability of business；The ability of business is undertaken, to described server distribution service according to described server.
11. a server, it is characterised in that this server includes: data obtaining module and reporting module；Wherein,
Described data obtaining module, is used for obtaining server physical hardware information and/or business information；
Described reporting module, for reporting server physical hardware information and/or the business information of described acquisition to distribution of services device.
12. server according to claim 11, it is characterised in that
Described reporting module, specifically for carrying out information reporting according to default priority, and/or, the precedence information of reporting information.
13. a distribution of services system, including distribution of services device and server zone, it is characterised in that
Described distribution of services device is the distribution of services device described in any one of claim 6 to 10；
Server in described server zone is the server described in claim 11 or 12.
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| CN201410854235.7A CN105812437A (en) | 2014-12-31 | 2014-12-31 | Business distribution method, system and related device |
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