CN101453404A - Method and apparatus for implementing load balance - Google Patents
Method and apparatus for implementing load balance Download PDFInfo
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- CN101453404A CN101453404A CNA2007101785305A CN200710178530A CN101453404A CN 101453404 A CN101453404 A CN 101453404A CN A2007101785305 A CNA2007101785305 A CN A2007101785305A CN 200710178530 A CN200710178530 A CN 200710178530A CN 101453404 A CN101453404 A CN 101453404A
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Abstract
The embodiment of the invention relates to a method and a device for realizing load balance. The method and the device adopts a network connection bonded with a session identifier contained in a request sent by a user end to complete service processing operations of a group of related services initiated by the user end in designated service instances, thereby realizing load balance in a common object request broker architecture simply and safely.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and device of realizing load balancing.
Background technology
It is its prerequisite that realizes load balancing that the Distributed Services that defines in existing Common Object Request Broker Architecture (CORBA) can be duplicated, and for status service is arranged among the CORBA, owing to have interdependence between the business operation that client sends, in order to guarantee to be scheduled for when carrying out on the different Service Instances when this group business operation, still can return correct result, available technology adopting state synchronized mechanism, the state synchronized of Service Instance that will be relevant with business operation, duplicate purpose of safety to reach Distributed Services, thereby realize load balancing.
Among the CORBA, realize having the technical scheme of distributions formula service load balancing specifically can comprise based on state synchronized: with independent business operation is thread, according to the realization load balancing strategy that pre-establishes, the different business operation scheduling that same client sends is handled to different Service Instances.If existence is interrelated between the different business operation, by state synchronized mechanism, the state between Service Instance is consistent so, with realization the business operation that client sends is correctly handled.
Existence is interrelated between the above-mentioned different business operation, be meant between the state of each business operation and influence each other, the state outcome that is a certain business operation can exert an influence to the state outcome of other business operation, for example, the state of a certain business operation is failure, and then the state of other business operation that need handle based on this business operation state outcome also is failure.
In concrete the application, realize that the business operation of Service Instance state synchronized can be initiated by the CORBA middleware, according to pre-configured state synchronized strategy, the CORBA middleware regularly obtains its current state information from the reference Service Instance; Then by communication protocol broadcasting, with described current state information as needs synchronous with reference to state information, be sent to all by synchronous Service Instance; Receive described with reference to state information after, by each self-refresh internal state of synchronous Service Instance to described synchronous with reference to state information, thereby realize the state consistency of all Service Instances.
Because the state of Service Instance is dynamic change, can not predefined, therefore, before carrying out state synchronized, what need to send current state must set up the snapshot (save point) of its current state earlier with reference to Service Instance, in setting up the process of snapshot, need guarantee that with reference to Service Instance all service request of handling all dispose, and no longer handle new service request.In synchronizing process, all can not be handled new request by synchronous Service Instance, are refreshed up to its internal state.
The inventor finds in realizing process of the present invention, have in the scheme of distributions formula service load balancing at existing C ORBA, owing to being distributed in the different Service Instances, handles respectively business operation that one group of state is mutually related, and employing implementation procedure complexity, and the business operation in the machine-processed synchronous different Service Instances of the state synchronized that technical difficulty is high, therefore may cause CORBA to have distributions formula service load balancing scheme to have the performance problem of unstable, and then may cause the decline of entire system performance, cause systemic breakdown.
Summary of the invention
The embodiment of the invention provides a kind of method and device of realizing load balancing, thereby is guaranteeing under the prerequisite of systematic function, adopts and realizes simple processing scheme, realizes load balancing in Common Object Request Broker Architecture.
The embodiment of the invention provides a kind of method that realizes load balancing, comprising:
Receive the request that client is initiated, comprise session identification in the described request parameter, described session identification is the session identification of the business operation that is mutually related of client initiation;
According to described session identification, determine to be connected with the network of described session identification binding.
The embodiment of the invention also provides a kind of device of realizing load balancing, comprises.
The request receiver module is used to receive the request that client is initiated, and comprises session identification in the described request parameter, and described session identification is the session identification of the business operation that is mutually related of client initiation;
Network connects determination module, is used for according to described session identification, determines to be connected with the network of described session identification binding.
As seen from the above technical solution provided by the invention, the embodiment of the invention is connected by the network that adopts the session identification binding that comprises in the request of initiating with client, carry out business operation, thereby guaranteeing under the prerequisite of systematic function, adopt and realize simple processing scheme, in Common Object Request Broker Architecture, realize load balancing.
Description of drawings
Binding relationship process flow diagram between setting up session identification and network is connected in the realization load-balancing method that Fig. 1 provides for the embodiment of the invention;
The specific implementation process schematic diagram of the realization load-balancing method that Fig. 2 provides for the embodiment of the invention;
The specific implementation structural representation of the realization load balancing device that Fig. 3 provides for the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In the method for the realization load balancing that the embodiment of the invention provides, receive the request that client is initiated, can comprise session identification in the described request parameter, described session identification is the session identification of the business operation that is mutually related of client initiation; According to described session identification, search the network of binding with described session identification and be connected; Adopt described definite network to connect, carry out business operation.Thereby simple, in Common Object Request Broker Architecture, realize load balancing safely.
In the method for the realization load balancing that the embodiment of the invention provides, the business operation that can at first one group of state of client be mutually related is defined as a session, is specifically as follows the session based on IDL (IDL).
Such as, in one group of business operation, the state of the state of business operation 2 (func2) and business operation 1 (func1) is relevant, can set up a session based on IDL for these two business operations in the following way so:
interface?test
{
session?example
{
void?func1(in?string?para)；
void?func2(out?string?result)；
}；
}；
The method of the realization load balancing that the embodiment of the invention provides is in concrete application process, be not limited to the business operation that one group of state is relevant and be defined as above IDL session, and the business operation that state is relevant in the session also is not limited to two, can specifically be set by actual conditions.
Then, for session generates a session identification, and it is added in the business operation parameter.
After business operation that one group of state is mutually related is defined as a session based on IDL, be that this session generates unique session identification (ID), and session ID is joined in the business operation parameter, make it become a parameter in the business operation parameter.
In the specific implementation process, can be that session generates session id by the idl compiler device of supporting idl file session statement and definition.
When client is initiated request, will call above-mentioned session and carry the business operation parameter that comprises session id.The request that described client is initiated is specifically as follows the business operation request, perhaps other requests.
Need to prove, the method of the realization load balancing that the embodiment of the invention provides is in concrete application process, the business operation parameter that comprises session id when the client basis, when initiating initial request, need to carry out and to set up the operation that session id and network connect and bind, for the ease of the understanding of the present invention, comprise session proxy with the set-up function device below, request manager, connection manager, scheduler and Service Instance, it is example that client is initiated the initial service operation requests, and in conjunction with the accompanying drawings shown in 1, be described in detail setting up the specific operation process that session id and network connect and bind, specifically can comprise:
Step 101, client are initiated the business operation request.
The session that client call has generated, and, initiate the business operation request to request manager by session proxy.
Can comprise the business operation parameter in the business operation request, perhaps other is as information such as business operations.In described business operation parameter, can comprise the session id that has generated, perhaps other parameter information.
Step 102, request manager request determine that network connects.
Request manager is obtained the session id that comprises in the business operation request receiving the business operation request by interface, sends it to connection manager, and the request connection manager is searched with the network of session id binding and is connected.
Step 103, connection manager determine that network connects.
After connection manager receives the session id that request manager sends, search and determine that the network of binding with session id is connected.
Need to prove that in the realization load-balancing method that the embodiment of the invention provides, connection manager can be searched and determine to be connected with the network of session id binding in " connection pool " that made up by software program.Described " connection pool " function essence is preserved for the binding relationship that the session id that will set up is connected with network, and preserves the current state that network connects.Concrete, when connection manager was searched the network connection of binding with it according to session id, the current state that binding relationship that can be connected with network according to the session id of preservation in " connection pool " and network connect determined that network connects.Can adopt any software and any program construction described " connection pool " in the embodiment of the invention.
Because this business operation request is the initial request operation, so can't finding with the network of session id binding, connection manager is connected, therefore, execution in step 104.
Step 104, connection manager request are set up new network and are connected.
Be not connected if connection manager finds in connection pool with the network of session id binding, then connection manager initiates to set up new network connection service request to scheduler.
Step 105, scheduler is determined Service Instance.
Scheduler according to pre-configured load balancing strategy, determines that new network connects corresponding Service Instance after receiving the new network connection of the foundation service request of connection manager transmission.
Above-mentioned pre-configured load balancing strategy can adopt any load balancing strategy as required.
Step 106, scheduler schedules are set up new network and are connected service request.
Scheduler is set up new network to the Service Instance scheduling of determining and is connected service request.
Step 107, Service Instance are returned and are set up successful information.
Service Instance receives after the new network of the foundation of scheduler schedules connects service request, set up with scheduler between new network be connected, and return the new network successful connection information of setting up to scheduler;
Scheduler is transmitted the new network successful connection information of setting up to connection manager.
Step 108, connection manager is set up binding relationship.
Connection manager is preserved and to be set up new network successful connection information, and according to this information, and the binding relationship between setting up session id and newly-built network being connected is kept at binding relationship " connection pool ".
After finishing aforesaid operations, the binding relationship that session id is connected with network is just determined, when customer end adopted same session ID initiates non-initial service operation requests, connection manager is according to session id, in " connection pool ", search and determine the network connection of binding with it, and be thread with the session, one group of business operation that is mutually related that client is initiated adopts same network to connect, further, promptly adopt same Service Instance to operate, thereby solved in the prior art, adopted Distributed Services to realize the problem that the load balancing scheme exists in the Common Object Request Broker Architecture (CORBA).
In the method for the realization load balancing that the embodiment of the invention provides, described scheduler, or other function with it the identical functions device can be arranged in the Object Request Broker (ORB) in the Common Object Request Broker Architecture (CORBA), perhaps directly finish the feature operation of scheduler by ORB.
Below, in conjunction with the accompanying drawings 2, to the binding relationship between setting up session id and network being connected, client is initiated the handling process of non-initial service operation requests and is carried out detailed statement, specifically can comprise:
The session that client call has generated, and, initiate the business operation request to request manager by session proxy.As mentioned above, comprise session id in the business operation required parameter.
Request manager is obtained the session id that comprises in the business operation request receiving the business operation request by interface, sends it to connection manager, and the request connection manager is searched with the network of session id binding and is connected.
After connection manager receives the session id of request manager transmission,, search and the connection of definite network according to the binding relationship that session id of preserving in " connection pool " is connected with network.
In the method for the realization load balancing that the embodiment of the invention provides, search and process that definite network connects specifically can comprise:
Be in idle condition if described network connects, then adopt described network to connect, and the state that described network connects be set to busy condition;
Be in busy condition if described network connects, then enter loitering phase, and after described network connection is in idle condition, adopt described connection, the state that described simultaneously network connects is set to busy condition.
Further, in the method for the realization load balancing that the embodiment of the invention provides, search and process that definite network connects can also comprise: adopt with described definite network to connect during corresponding Service Instance identifies, the idle network of identical ip addresses and port numbers is connected, and this network is connected and the session identification binding.
That is to say, if finding in " connection pool " with the network of session id binding, connection manager is not connected, can adopt with the network of session id binding and be connected in the pairing Service Instance sign, the idle network of identical ip addresses and port numbers is connected and carries out business operation, and this network is connected and the session id binding.
Need to prove, if finding in " connection pool " with the network of session id binding, connection manager be not connected, and connection manager does not find with the network of session id binding yet and is connected in the pairing Service Instance sign, the idle network of identical ip addresses and port numbers is connected, then connection manager is according to the operation of above-mentioned steps 104 to step 108, set up the binding relationship that this session id is connected with network, and binding relationship is kept in " connection pool ".
Connection manager after determining that the network of binding with session id is connected, execution in step 204.
Connection manager is after the network of determining to adopt connects, and the state that this network connects is set to hurry, and returns the network successful connection information of obtaining to request manager.
Request manager receive obtain network successful connection information after, obtain the network connection information that wherein comprises, and adopt the network of determining to connect, the business operation request that client is initiated is sent to the Service Instance that described network connects correspondence, by Service Instance corresponding process operations is carried out in the business operation request.Thereby the purpose that has realized being mutually related one group of state business operation handled by same Service Instance.
After finishing the business operation processing of request that client is initiated at Service Instance, request manager discharges described network and connects, and the state that this network connects in " connection pool " is set to the free time, waits for that client initiates business operation request next time.
The realization that the embodiment of the invention provides has the method for distributions formula service load balancing, improved in the prior art scheduling mechanism with the separate operation unit of being operating as, business operation is defined as session by being mutually related, and after session ID and network are connected and bound, with the session is thread, adopt the network of determining to connect and carry out business operation, thereby realized in Common Object Request Broker Architecture (CORBA), one group of business operation that state is relevant seamlessly is dispatched in the same Service Instance and moves, make and need not complicated state synchronized between a plurality of Service Instances, eliminate available technology adopting state synchronized mechanism fully and realized the shortcoming that load balancing is brought, but also expanded the IDL language of CORBA standard and the function of ORB, strengthened the ability of CORBA status of support interface and method.And implementation procedure is transparent to client application fully, and simple, has very high versatility and availability, can be directly and third party's high-performance dispatch device integrated, possess very high extensibility and compatibility.
The embodiment of the invention also provides a kind of realization load balancing device.Described device specifically can be by the request receiver module, and network connecting module is formed, wherein:
1) request receiver module is used to receive the request that client is initiated, and comprises session identification in the described request parameter, and described session identification is the session identification of the business operation that is mutually related of client initiation.
The request that described client is initiated is specifically as follows the business operation request, perhaps other requests.
2) network connection and locating module is used for according to described session identification, searches with the network of described session identification binding to be connected.
Described device further can also comprise the session identification generation module, and binding management is set up module, and binding relationship is preserved module, service operation module, and release module, wherein:
3) session identification generation module, the business operation that is mutually related that is used to client to initiate is set up session, and is that described session generates session identification.
4) binding relationship is set up module, is used to set up the binding relationship that session identification that described session identification generation module generates is connected with network.
5) binding relationship is preserved module, is used to preserve described binding relationship and sets up the binding relationship that the session identification of module foundation is connected with network.
Binding relationship between described network connection and locating module is preserved session identification that module preserves and network is connected according to described binding relationship is searched and is confirmed the network connection.
6) service operation module, the network that is used to adopt described network connection and locating module to determine connects, and carries out business operation.
7) release module is used for after described service operation module is finished business operation, discharges described network and connects.
The realization that the embodiment of the invention provides has the device of distributions formula service load balancing, improved in the prior art scheduling mechanism with the separate operation unit of being operating as, business operation is defined as session by being mutually related, and after session ID and network are connected and bound, with the session is thread, adopt the network of determining to connect and carry out business operation, thereby realized in Common Object Request Broker Architecture (CORBA), one group of business operation that state is relevant seamlessly is dispatched in the same Service Instance and moves, make and need not complicated state synchronized between a plurality of Service Instances, eliminate available technology adopting state synchronized mechanism fully and realized the shortcoming that load balancing is brought, but also expanded the IDL language of CORBA standard and the function of ORB, strengthened the ability of CORBA status of support interface and method.And implementation procedure is transparent to client application fully, and simple, has very high versatility and availability, can be directly and third party's high-performance dispatch device integrated, possess very high extensibility and compatibility.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (12)
1, a kind of method that realizes load balancing is characterized in that, comprising:
Receive the request that client is initiated, comprise session identification in the described request parameter, described session identification is the session identification of the business operation that is mutually related of client initiation;
According to described session identification, determine to be connected with the network of described session identification binding.
2, method according to claim 1 is characterized in that, comprises before the request that described reception client is initiated: for the business operation that is mutually related that client is initiated is set up session, and be that described session generates session identification.
3, method according to claim 2 is characterized in that, and is described according to described session identification, determines that the network of binding with described session identification also comprises before being connected: set up the binding relationship that described session identification is connected with network.
4, method according to claim 3 is characterized in that, describedly sets up the binding relationship that described session identification is connected with network and comprises:
Receive described request,, initiate the request of connecting according to the described session identification that obtains;
According to the link information of returning, set up the binding relationship that described session identification is connected with described network.
5, method according to claim 4, it is characterized in that, describedly set up the binding relationship that described session identification is connected with network and also comprise: receive the described request of connecting, according to pre-configured load balancing strategy, determine Service Instance, and foundation is connected with network between the described definite Service Instance, returns link information.
6, method according to claim 5 is characterized in that, also comprises after the network of described definite and described session identification binding is connected: adopt described definite network to connect, carry out business operation.
7, method according to claim 6 is characterized in that, the described definite network of described employing connects and comprises:
Be in idle condition if described network connects, then adopt described network to connect, and the state that described network connects be set to busy condition;
Be in busy condition if described network connects, then enter loitering phase, and after described network connection is in idle condition, adopt described connection, the state that described simultaneously network connects is set to busy condition.
8, method according to claim 6, it is characterized in that, the described definite network of described employing connects and also comprises: adopt with described definite network to connect in the corresponding Service Instance sign, the idle network of identical ip addresses and port numbers is connected, and this network is connected and the session identification binding.
9, according to each described method of claim 1 to 8, it is characterized in that described method also comprises: after finishing described business operation, adopt releasing mechanism, discharge described definite network and connect, and this network connection is set to idle condition.
10, a kind of device of realizing load balancing is characterized in that, comprising:
The request receiver module is used to receive the request that client is initiated, and comprises session identification in the described request parameter, and described session identification is the session identification of the business operation that is mutually related of client initiation;
Network connects determination module, is used for according to described session identification, determines to be connected with the network of described session identification binding.
11, device according to claim 10 is characterized in that, described device also comprises:
The session identification generation module, the business operation that is mutually related that is used to client to initiate is set up session, and is that described session generates session identification.
12, device according to claim 11 is characterized in that, described device also comprises:
Binding relationship is set up module, is used to set up the binding relationship that session identification that described session identification generation module generates is connected with network;
Binding relationship is preserved module, is used to preserve described binding relationship and sets up the binding relationship that the session identification of module foundation is connected with network;
Service operation module is used to adopt described network to connect the network connection that determination module is determined, carries out business operation;
Release module is used for after described service operation module is finished business operation, discharges described network and connects.
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| CNA2007101785305A CN101453404A (en) | 2007-11-30 | 2007-11-30 | Method and apparatus for implementing load balance |
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| CNA2007101785305A CN101453404A (en) | 2007-11-30 | 2007-11-30 | Method and apparatus for implementing load balance |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102143075A (en) * | 2011-03-28 | 2011-08-03 | 中国人民解放军国防科学技术大学 | Method and system for achieving load balance |
| CN102546270A (en) * | 2010-12-13 | 2012-07-04 | 深圳市财付通科技有限公司 | Network system control method and device utilizing same |
| CN102571568A (en) * | 2011-12-27 | 2012-07-11 | 北京奇虎科技有限公司 | Method and device for processing task |
| CN103067439A (en) * | 2012-10-17 | 2013-04-24 | 北京奇虎科技有限公司 | Load balancing method and system |
| CN103067293A (en) * | 2012-12-31 | 2013-04-24 | 北京京东世纪贸易有限公司 | Method and system for multiplex and connection management of a load balancer |
| CN104717300A (en) * | 2011-12-27 | 2015-06-17 | 北京奇虎科技有限公司 | Task processing method and device |
| CN104714783A (en) * | 2011-12-27 | 2015-06-17 | 北京奇虎科技有限公司 | Task processing method and device |
| CN104767679A (en) * | 2014-01-08 | 2015-07-08 | 腾讯科技（深圳）有限公司 | Data transmission method and device in network system |
| CN104836839A (en) * | 2015-03-30 | 2015-08-12 | 南京大学 | Universal user self-defining session system and session management method thereof |
| CN105095317A (en) * | 2014-05-23 | 2015-11-25 | 中国银联股份有限公司 | Distributive database service management system |
| CN105591959A (en) * | 2014-10-24 | 2016-05-18 | 华耀(中国)科技有限公司 | System and method for load balancing by SSL session resuming |
| CN108206852A (en) * | 2016-12-20 | 2018-06-26 | 杭州华为数字技术有限公司 | A kind of dialogue-based Service Instance management method and equipment under micro services frame |
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| CN102546270A (en) * | 2010-12-13 | 2012-07-04 | 深圳市财付通科技有限公司 | Network system control method and device utilizing same |
| CN102143075A (en) * | 2011-03-28 | 2011-08-03 | 中国人民解放军国防科学技术大学 | Method and system for achieving load balance |
| CN102143075B (en) * | 2011-03-28 | 2013-08-07 | 中国人民解放军国防科学技术大学 | Method and system for achieving load balance |
| CN102571568A (en) * | 2011-12-27 | 2012-07-11 | 北京奇虎科技有限公司 | Method and device for processing task |
| CN102571568B (en) * | 2011-12-27 | 2015-04-29 | 北京奇虎科技有限公司 | Method and device for processing task |
| CN104717300A (en) * | 2011-12-27 | 2015-06-17 | 北京奇虎科技有限公司 | Task processing method and device |
| CN104714783A (en) * | 2011-12-27 | 2015-06-17 | 北京奇虎科技有限公司 | Task processing method and device |
| CN103067439A (en) * | 2012-10-17 | 2013-04-24 | 北京奇虎科技有限公司 | Load balancing method and system |
| CN103067439B (en) * | 2012-10-17 | 2016-05-11 | 北京奇虎科技有限公司 | Load-balancing method and system |
| CN103067293A (en) * | 2012-12-31 | 2013-04-24 | 北京京东世纪贸易有限公司 | Method and system for multiplex and connection management of a load balancer |
| US10567240B2 (en) | 2014-01-03 | 2020-02-18 | Tencent Technology (Shenzhen) Company Limited | Multimedia resource distribution method, apparatus and system |
| CN104767679A (en) * | 2014-01-08 | 2015-07-08 | 腾讯科技（深圳）有限公司 | Data transmission method and device in network system |
| CN104767679B (en) * | 2014-01-08 | 2018-12-18 | 腾讯科技（深圳）有限公司 | A kind of method and device for transmitting data in network system |
| CN105095317A (en) * | 2014-05-23 | 2015-11-25 | 中国银联股份有限公司 | Distributive database service management system |
| WO2015176636A1 (en) * | 2014-05-23 | 2015-11-26 | 中国银联股份有限公司 | Distributed database service management system |
| CN105095317B (en) * | 2014-05-23 | 2018-09-21 | 中国银联股份有限公司 | Distributed data base service management system |
| CN105591959B (en) * | 2014-10-24 | 2019-04-05 | 华耀(中国)科技有限公司 | A kind of system and method carrying out load balancing using SSL Session state reuse |
| CN105591959A (en) * | 2014-10-24 | 2016-05-18 | 华耀(中国)科技有限公司 | System and method for load balancing by SSL session resuming |
| CN104836839A (en) * | 2015-03-30 | 2015-08-12 | 南京大学 | Universal user self-defining session system and session management method thereof |
| CN108206852A (en) * | 2016-12-20 | 2018-06-26 | 杭州华为数字技术有限公司 | A kind of dialogue-based Service Instance management method and equipment under micro services frame |
| CN108206852B (en) * | 2016-12-20 | 2020-12-22 | 华为技术有限公司 | Session-based service instance management method and device under micro-service framework |
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