CN103491118A - Method and system for service node distribution in communication network - Google Patents
Method and system for service node distribution in communication network Download PDFInfo
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- CN103491118A CN103491118A CN201210193717.3A CN201210193717A CN103491118A CN 103491118 A CN103491118 A CN 103491118A CN 201210193717 A CN201210193717 A CN 201210193717A CN 103491118 A CN103491118 A CN 103491118A
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Abstract
The invention relates to a method for service node distribution by a service node scheduler in a communication network. The method includes the steps of obtaining data relevant to user communication habits from a plurality of service nodes in the communication network, dividing users into different types based on the obtained data, and scheduling the users to the service nodes which are the same as the types of the users in the plurality of service nodes according to the divided types.
Description
Technical field
The application relates to the method and system of distribution services node in network service.The application also relates to service node scheduler and the service node used in network service.
Background technology
In distributed business network (DSN), user data and service control function are distributed in the service node of homogeneous, and this service node is called Service controll function (Service Control Function, SCF) node.The SCF node runs on the virtual machine of virtual platform.Wherein, when the handled traffic carrying capacity of SCF node reduces, can, by the virtual machine (vm) migration of carrying SCF node to less physical server, close remaining server, to realize the effect of energy-saving and emission-reduction.
In current DSN, different users is evenly distributed in each service node, principle according to Probability, point no matter when, the state of each service node is basic identical, that is: identical user's ratio is in open state, and in the user in open state, identical user's ratio is in talking state.User in open state needs certain memory size to maintain user's state information, and the user in talking state needs constantly to change the call-information that internal storage state carrys out recording user.If certain node exists a large amount of active users and calling user, when virtual machine (vm) migration, need between two virtual machines, copy and synchronous a large amount of internal storage data, can cause the growth of virtual machine (vm) migration time.Simultaneously, when virtual machine (vm) migration, can there is of short duration " shutdown " time, cause the decline of service quality.
Summary of the invention
The aspect according to the application, proposed a kind ofly by the method for the service node scheduler distribution services node in communication network, having comprised: the service node on a plurality of virtual machines of laying respectively at from described communication network obtains to telex network and is accustomed to relevant data; Data based on obtained are divided into different types by the user; Type based on divided is dispatched to service node identical with user's type in a plurality of service nodes by the user.
According to the application on the other hand, proposed a kind of in communication network the system of distribution services node, comprising: a plurality of service nodes lay respectively on a plurality of virtual machines, and are accustomed to relevant data for collecting to telex network; And the service node scheduler, the data based on collected are divided into different types by the user, and the type based on divided is dispatched to service node identical with user's type in a plurality of service nodes by the user.
According to the application on the other hand, also proposed the service node scheduler in a kind of network service, having comprised: the screening module, what screening was obtained from a plurality of service nodes is accustomed to relevant data to telex network, removes the data of expression small probability event wherein; Sort module, the data based on filtering out are classified to the associated user; Judge module, judge according to associated user's classification whether it is positioned on the service node that type is identical; And scheduler module, if the result of judgement is no, the associated user is dispatched to the service node that type is identical.
Another aspect according to the application, also proposed the service node in a kind of network service, comprising: data collection module, be accustomed to relevant data for collecting to telex network; And the Data Migration module, after the user is scheduled for the service node identical with user type, service node that will be identical to the type with the Data Migration of user-association.
The accompanying drawing explanation
Fig. 1 is the block diagram according to the system based on user habit distribution services node of an illustrative embodiments of the application.
Fig. 2 is the block diagram according to the service node of an illustrative embodiments of the application.
Fig. 3 is the block diagram according to the service node scheduler of an illustrative embodiments of the application.
Fig. 4 and Fig. 5 are respectively the schematic diagram according to the service node method of salary distribution based on user habit of an illustrative embodiments of the application.
Embodiment
With reference to the accompanying drawings the application's illustrative embodiments is described.
Fig. 1 shows the system 1000 of implementing service node customary execution mode, in the allocate communications network system according to one of the application.As shown in Figure 1, system 1000 can comprise a plurality of service node 200-1,200-2., 200-3 ... 200-n(n is positive integer) and service node scheduling device (Serving Node Scheduler, SNS) 300.
A plurality of service node 200-1,200-2., 200-3 ... 200-n can lay respectively on the different virtual machine in communication network.For the convenience of describing, hereinafter by a plurality of service node 200-1,200-2., 200-3 ... 200-n is referred to as service node 200.
Below respectively service node 200 and service node scheduling device 300 are described further.
Also as shown in Figure 2, service node 200 can comprise data collection module 201 and Data Migration module 202.
What in one embodiment, data collection module 201 collections were above-mentioned is accustomed to relevant data to telex network.Data collection module 201 can for example comprise telex network custom gatherer (UHC).In one embodiment, data collection module 201 can periodically be collected to telex network and be accustomed to relevant data.Especially, when deployable communication system for the first time, needing data collection phase for some time, is for example one week.
Fig. 3 shows the service node scheduler 300 according to an illustrative embodiments of the application.As shown in Figure 3, service node scheduler 300 comprises screening module 301, sort module 302, judge module 303 and scheduler module 304.
In one embodiment, what 301 pairs of modules of screening received from a plurality of service nodes 200 is screened about the data of telex network custom in a large number, removes and wherein means small probability event, as the user is restarted the data of switching on and shutting down that user side causes etc.In sort module 302, the data based on filtering out can be classified to the associated user according to predetermined decision principle.Wherein, predetermined decision principle can be such as the available machine time according to the user and user the talk times within the available machine time etc. determine.For example, in this embodiment, night shutdown, start on daytime and available machine time conversation not frequently the user be classified as inactive user; Whole day start but conversation not frequently the user be classified as domestic consumer; Whole day start and the user frequently that converses are classified as any active ues.
Judge module 303 is according to the classification to user and service node 200, and the judgement user should be positioned at which kind of predetermined service node.Be not positioned at corresponding service node if judge this user, scheduler module 304 is dispatched to the service node identical with its type 200 by this user.
Below with reference to Fig. 4, describe by the method 2000 of the service node scheduler distribution services node in communication network.As shown in the figure, in step S101, a plurality of service nodes of service node scheduler 300 from communication network obtain to telex network is accustomed to relevant data, and then, in step S102, the data based on obtained are divided into different types by the user.In step S103, the type of service node scheduler 300 based on divided is dispatched to service node identical with described user's type in described a plurality of service node by described user.Particularly, service node scheduler 300 judges according to associated user's classification whether it has been positioned on the service node that type is identical; If not, the associated user is dispatched to the service node that type is identical.Then, in step S104, the service node migration that the original residing service node of user is identical to the type with described user and the data of described user-association.
For purposes of illustration, take service node 200 below with reference to Fig. 5, to be SCF nodes conduct further description the method 2000 based on user habit distribution services node as example.
As shown in Figure 5, a plurality of SCF nodes 200 are evenly distributed in virtual machine node V1-V18, and V1-V18 runs on respectively each physical node P1-P9.Wherein, V2 is the backup node of V1, and V3 is the backup node of V2, the like, V6 is the backup node of V5, V7-V12, V13-V18 are similar with it.Data collection module 201 in each SCF node 200 is collected and is accustomed to relevant data to telex network.
Service node scheduler (SNS) 300 is divided into 3 classes by physical node P1-P9, and wherein, P1-P3 is inactive user node, and P4-P6 is domestic consumer's node, and P7-P9 is any active ues node.Then, what SNS 300 obtained its collection from a plurality of SCF nodes is accustomed to relevant data (being meaned by arrow 2) to telex network, then obtained mass data is screened, removed the data wherein mean small probability event, such as the user, restarted switching on and shutting down that user side causes etc.Next, the data based user of SNS 300 based on filtering out available machine time and the talk times of user within the available machine time etc. are divided into inactive user, domestic consumer and any active ues (not shown in Fig. 5) by the user.Then SNS 300 judges whether the user is positioned on the SCF node identical with its type.Be not positioned at corresponding SCF node if judge this user, SNS 300 sends scheduling message (being meaned by arrow 4) to the original residing SCF node of this user and the SCF node identical with this user type, and this user is dispatched to corresponding SCF node.
Relevant SCF node, in response to the scheduling migration of SNS 300 and the data of this user-association (being meaned by arrow 5), completes whole assigning process thus.Especially, assigning process can constantly upgrade, and wherein data collection module 201 is constantly collected the telex network custom, and SNS 300 is upgraded user's judged result according to new data.
As mentioned above, by according to the telex network custom, the user being classified, and be the dissimilar dissimilar service node of user assignment, make the part service node for example, there is considerably less any active ues at special time (night), thereby in this time period, these users are moved to the calling user that the internal memory that only needs small amount copied and affected small amount, so can improve the efficiency of virtual machine (vm) migration and reduce the impact of virtual machine (vm) migration on the user.
The foregoing is only some concrete execution modes; not be used for limiting the scope of the claims of the present invention; every equivalent transformation that utilizes present specification and accompanying drawing content to do; or the equivalent technologies feature that directly or indirectly is used in other relevant technical fields modification that the disclosed technical scheme of present specification is carried out, include in protection scope of the present invention.
Claims (12)
1. by the method for the service node scheduler distribution services node in communication network, comprising:
The service node on a plurality of virtual machines of laying respectively at from described communication network obtains to telex network and is accustomed to relevant data;
Data based on obtained are divided into different types by the user; And
Type based on divided is dispatched to service node identical with described user's type in described a plurality of service node by described user.
2. method according to claim 1, wherein, the step of described division also comprises:
The described data that described service node scheduler obtains by screening are removed the data of expression small probability event wherein, and the data based on filtering out are classified to the associated user.
3. method according to claim 1, the step of described scheduling also comprises:
Described service node scheduler judges according to described associated user's classification whether it is positioned on the service node that type is identical; If not, described associated user is dispatched to the service node that type is identical.
4. method as described as any one in claim 1-3 also comprises:
The service node migration that the original residing service node of user is identical to the type with described user and the data of described user-association.
5. the system of a distribution services node in communication network comprises:
A plurality of service nodes, lay respectively on a plurality of virtual machines in communication network, for collecting, to telex network, is accustomed to relevant data; And
The service node scheduler, the data based on collected are divided into different types by the user, and the type based on divided is dispatched to service node identical with described user's type in described a plurality of service node by described user.
6. system as claimed in claim 5, wherein, each described service node comprises:
Data collection module, be accustomed to relevant data for collecting to telex network; And
The Data Migration module, after described user is scheduled for the service node identical with described user type, service node that will be identical to the type with the Data Migration of described user-association.
7. system as claimed in claim 5, wherein, described service node scheduler comprises:
The screening module, the data that screening is obtained, to remove the data of expression small probability event wherein;
Sort module, the data based on filtering out are classified to the associated user;
Judge module, judge according to described associated user's classification whether it is positioned on the service node that type is identical; And
Scheduler module, if the result of described judgement whether, is dispatched to by described associated user the service node that type is identical.
8. system as described as claim 5 or 6, wherein, described service node comprises the Service controll functional node.
9. system as claimed in claim 6, wherein, described data collection module is periodically collected to telex network and is accustomed to relevant data.
10. the service node scheduler in a network service comprises:
The screening module, what screening was obtained from a plurality of service nodes is accustomed to relevant data to telex network, to remove the data of expression small probability event wherein;
Sort module, the data based on filtering out are classified to the associated user;
Judge module, judge according to described associated user's classification whether it is positioned on the service node that type is identical; And
Scheduler module, if the result of described judgement whether, is dispatched to by described associated user the service node that type is identical.
11. the service node be positioned on virtual machine comprises:
Data collection module, be accustomed to relevant data for collecting to telex network; And
The Data Migration module, after described user is scheduled for the service node identical with described user type, service node that will be identical to the type with the Data Migration of described user-association.
12. service node as claimed in claim 11, wherein, described service node comprises Service controll function (SCF) node.
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| US20030074386A1 (en) * | 2001-10-01 | 2003-04-17 | Microsoft Corporation | Method and system for migrating computer state |
| US20080163239A1 (en) * | 2006-12-29 | 2008-07-03 | Suresh Sugumar | Method for dynamic load balancing on partitioned systems |
| CN101561769A (en) * | 2009-05-25 | 2009-10-21 | 北京航空航天大学 | Process migration tracking method based on multi-core platform virtual machine |
| CN101719081A (en) * | 2009-12-01 | 2010-06-02 | 北京大学 | Method for scheduling virtual machines |
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