CN104104545B - A kind of method of assessment CSP service quality, apparatus and system - Google Patents
A kind of method of assessment CSP service quality, apparatus and system Download PDFInfo
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Abstract
The invention discloses a kind of method for the service quality for assessing cloud service provider CSP, apparatus and system, including：Scoring of the user to each CSP different service items is obtained respectively；According to class of subscriber, respectively the scorings of each CSP different service items sum obtains each CSP corresponding with different user classification the first scoring；Corresponding weights are distributed for different classes of user, the weights of distribution are multiplied with each first scoring of corresponding user and obtain each CSP the second scoring, each CSP service quality value is obtained to the accumulative summation of each second scoring.The technical scheme of the application is realized objective, accurate assessment CSP service quality, greatly improves the efficiency that user selects CSP.
Description
Technical field
The present invention relates to cloud computing service quality field, espespecially a kind of service quality for assessing cloud service provider (CSP)
Method, apparatus and system.
Background technology
Cloud computing is a kind of new computation schema, big with scale, the advantages of reliability is high and extremely cheap.Current state
Inside and outside to have occurred in that substantial amounts of public cloud computing service provider (hereinafter referred to as CSP), such as Google (Google) company is
Storage humongous search data and the dedicated file system (GFS) designed, IBM blue cloud computing platform, Amazon (Amazon)
The E2C of company, the operating system based on cloud computing of Microsoft (Microosofts) company -- the sky blue (Windows of form
Azure) system etc..
Cloud computing requires users to trust CSP and the information of user is transferred on CSP platform.Due to different CSP clothes
There is larger difference, user's understanding enough to CSP service quality shortage and the worry to its Product Safety in business quality,
It result in user and lack enough trusts to CSP, and then hinder the popularization and development of cloud computing.Therefore, as cloud computing is entered
The popularization and development of one step, user will face one it is important the problem of, how to select most suitable user's request condition
CSP, in order to solve this problem, must just be evaluated CSP service quality, still, up to the present also without one kind
Method can be with objective, accurate assessment CSP service quality.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of method of assessment CSP service quality, device and it is
System, is capable of objective, accurate assessment CSP service quality, so as to improve the efficiency that user selects CSP.
In order to reach foregoing invention purpose, the invention discloses a kind of service quality for assessing cloud service provider (CSP)
Method, including：
Scoring of the user to each CSP different service items is obtained respectively；
According to class of subscriber, the scoring to each CSP different service items respectively is summed and different user
Each corresponding CSP of classification the first scoring；
Corresponding weights are distributed for different classes of user, the weights of distribution are commented with each the first of corresponding user
Multiplied the second scoring to each CSP of split-phase, each CSP service quality value is obtained to the accumulative summation of each second scoring.
Further, before scoring of the user to each CSP different service items is obtained, this method also includes：
According to service item and the standards of grading pre-set, each CSP benchmark service quality value is pre-set.
Further, upper methods described also includes：All CSP for meeting user's current demand are selected from CSP；
The service quality value of CSP to selecting is ranked up according to order from high to low, according to the result after sequence
Consult SLA details until consulting successfully with meeting the CSP of user's current demand successively, then successful CSP is consulted in selection.
Further, after selecting and meeting the CSP of demand condition, this method also includes：According to service item and in advance
The standards of grading first set score the CSP of selection each service item.
Further, the above method also includes：According to each CSP service quality value and each CSP service quality
The product of evaluation factor obtains each CSP second service mass value.
Further, the evaluation factor of each CSP service quality is determined by following calculation：
When the benchmark service quality value of the CSP is more than the service quality value of the CSP, the service quality of the CSP
Evaluation factor be：The ratio of the benchmark service quality value of the CSP and the service quality value of the CSP；
When the benchmark service quality value of the CSP is less than or equal to the service quality value of the CSP, the service of the CSP
The evaluation factor of quality is：The service quality value of the CSP and square of the ratio of the benchmark service quality value of the CSP.
Further, as SLA and service Xiang Mingda, user is notified according to the service item after change and is pre-set
Standards of grading the CSP of selection each service item is scored.
The invention also discloses a kind of device for the service quality for assessing cloud service provider (CSP), including：
SLA (SLA) proxy module and SLA implement evaluation module；Wherein,
SLA proxy modules, for obtaining scoring of the user to each CSP different service items respectively, and are inhomogeneity
Other user distributes corresponding weights；
SLA implements evaluation module, for according to class of subscriber, the scoring to each CSP different service items respectively to be entered
Row summation obtains each CSP corresponding with different user classification the first scoring；By each of the weights of distribution and corresponding user
First scoring, which is multiplied, obtains each CSP the second scoring, and each CSP service quality is obtained to the accumulative summation of each second scoring
Value.
Further, said apparatus also includes SLA static evaluation modules, is used for：According to service item and pre-set
Standards of grading, pre-set each CSP benchmark service quality value.
Further, above-mentioned SLA implementations evaluation module is additionally operable to：According to each CSP service quality value with each CSP's
The product of the evaluation factor of service quality obtains each CSP second service mass value.
Further, the evaluation factor of each CSP service quality is determined by following calculation：
When CSP benchmark service quality value is more than CSP service quality value, the evaluation factor of CSP service quality is：
The ratio of CSP benchmark service quality value and CSP service quality value；
When CSP benchmark service quality value is less than or equal to CSP service quality value, the assessment of CSP service quality because
Son is：Square of the ratio of CSP service quality value and CSP benchmark service quality value.
Further, said apparatus also includes：Cloud service catalogue module；Wherein,
Cloud service catalogue module, the information for storing each CSP, including：CSP ID, service ID, SLA, service entry
Mesh.
Further, SLA proxy modules, be additionally operable to receive user the whole CSP information for meeting current demand, and according to
The information received being ranked up from high to low to CSP service quality value, institute is sent to by the service quality value after sequence
State user.
Further, above-mentioned SLA implementations evaluation module is additionally operable to：When SLA and service Xiang Mingda when, notify user according to
Service item after change scores the CSP of selection each service item with the standards of grading pre-set.
The invention also discloses a kind of system for the service quality for assessing cloud service provider (CSP), including：It is above-mentioned any
The device of one and multiple CSP and multiple users；Wherein,
Each user, respectively to each CSP respective services project scoring, in the service quality for obtaining each CSP
After value, the result that the service quality value for the CSP that SLA proxy modules are sent is ranked up according to order from high to low is received,
SLA details is consulted until consulting successfully with meeting the CSP of current demand according to the result after sequence successively, then selection is consulted successfully
CSP, and the CSP of selection different service items are scored according to service item and the standards of grading that pre-set；
Each CSP, provides the information of the CSP to cloud service catalogue module and sends SLA to SLA static evaluations module.
Further, above-mentioned each user specifically for：
Found in cloud service catalogue module and meet whole CSP of itself current demand and send that information to service water
Flat agreement SLA proxy modules.
Technical scheme includes：Scoring of the user to each CSP different service items is obtained respectively；According to user
Classification, the respectively scoring to each CSP different service items sum obtaining each CSP corresponding with different user classification
First scoring；Corresponding weights are distributed for different classes of user, by each the of the weights of distribution and corresponding user
One scoring, which is multiplied, obtains each CSP the second scoring, and each CSP service quality value is obtained to the accumulative summation of each second scoring.
The technical scheme of the application is realized objective, accurate assessment CSP service quality, greatly improves user's selection CSP's
Efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 assesses the method flow diagram of cloud service provider CSP service quality for the present invention；
Fig. 2 assesses the apparatus structure schematic diagram of cloud service provider CSP service quality for the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in detail.
Fig. 1 assesses the method flow diagram of cloud service provider CSP service quality for the present invention, as shown in figure 1, including with
Lower step：
Step 101, scoring of the user to each CSP different service items is obtained respectively.
Before this step, the inventive method also includes：According to service item and the standards of grading pre-set, set in advance
Put each CSP benchmark service quality value.
Step 102, according to class of subscriber, respectively the scorings of each CSP different service items sum obtain with
Each CSP of the corresponding user of different user classification the first scoring.
Step 103, it is the corresponding weights of user's distribution of different user classification, by the weights of distribution and corresponding use
The first scoring multiplication at family obtains the second scoring, and each CSP service quality value is obtained to the accumulative summation of each second scoring.
Weights mentioned here, are the numbers for considering the user of different user classification to the service condition of CSP service
Depending on, for example, class of subscriber can include enterprise customer and personal user, it is clear that enterprise customer uses CSP service
To be more than personal user, so when class of subscriber includes enterprise customer and personal user, the power that can be distributed to enterprise customer
Value is more than to the weights for distributing, but both weights sums are necessary for 1.Certainly, the present invention is not limited in use
Family classification is the situation of enterprise customer and personal user, i.e. class of subscriber not just for the user in the case of in 2, can include three
User, the even more users of four kinds of users are planted, all within protection scope of the present invention.
Further, the above method also includes：All CSP for meeting user's current demand are selected from above-mentioned CSP；
The service quality value of CSP to selecting is ranked up according to order from high to low, according to the result after sequence successively with expiring
The CSP of sufficient user's current demand consults SLA details until consulting successfully, then successful CSP is consulted in selection.
SLA details includes CSP service quality of service performance, service item and different service items etc., as such as
What consults to belong to conventional techniques well known to those skilled in the art, will not be repeated here.
Refer to meet the current a certain or several clothes to CSP of user it should be noted that meeting user's current demand
The demand of business project.Result after sequence be to meet all CSP of user's current demand according to service quality value by height to
A low sequence.
Further, the above method also includes：According to service item and the standards of grading that pre-set to the CSP's of selection
Each service item scores.
More preferably, the above method also includes：According to commenting for each CSP service quality value and each CSP service quality
The product for estimating the factor obtains each CSP second service mass value.
Wherein, the evaluation factor of each CSP service quality is determined by following calculation：
When the benchmark service quality value of the CSP is more than the service quality value of the CSP, the service quality of the CSP
Evaluation factor be：The ratio of the benchmark service quality value of the CSP and the service quality value of the CSP；
When the benchmark service quality value of the CSP is less than or equal to the service quality value of the CSP, the service of the CSP
The evaluation factor of quality is：The service quality value of the CSP and square of the ratio of the benchmark service quality value of the CSP.
It should be noted that the service quality value for the CSP that evaluation factor is obtained is introduced, the purpose for the arrangement is that:Using pair
Actual service process is monitored, and encourages CSP to provide true and reliable ground service-level agreement (SLA), can more objective, standard
True assessment CSP service quality, so allows for giving encouragement for the project that excess is realized, attribute not up to standard is given
Severeer punishment.
SLA is the agreement or contract on service quality rating consulted between CSP and user both sides and determined, and is formulated
The agreement or contract are in order that SCP and user reach common understanding to service, priority and responsibility etc..The present invention mainly pair
CSP service item is given a mark.
Finally, the above method also includes：As SLA and service Xiang Mingda, notify family according to the service item after change
The CSP of selection each service item is scored with the standards of grading pre-set.
How this method is it should be noted that on to pre-set CSP benchmark service quality value and how to set in advance
It is well-known to those skilled in the art to put standards of grading, be will not be repeated here.
Embodiment one
In the present embodiment, in the case of only including two class users with class of subscriber, i.e. enterprise customer and personal user, to figure
1 illustrates.Comprise the following steps：
Step 101, the scoring of personal user and enterprise customer to each CSP respective services project is obtained respectively, respectively
It is designated as：pkiAnd qkj, wherein k is CSP mark, and i and j identify for CSP service items.
Before this step, the above method also includes：According to service item and the standards of grading pre-set, pre-set
Each CSP benchmark service quality value, is designated as lk'。
Step 102, the service quality value l for obtaining k-th of CSP is calculated by following formulak：
Wherein, a+b=1 and a>B, n are the total number of CSP service items.
The above method also includes：Following formula calculates the service quality value T for obtaining k-th of CSPk：Tk=δk*lk, wherein δkTo comment
Estimate the evaluation factor of CSP service quality.
Assess the evaluation factor δ of CSP service qualitykCalculated and determined by following formula：
Work as l'k>lkWhen,
Work as l'k<lkWhen,
That demand condition illustrates here is TkThan lkIt is more strict, in order to encourage CSP to provide true and reliable ground SLA, draw
Enter evaluation factor δk, given encouragement for the CSP that excess is realized, give CSP not up to standard severe punishment, if used
TkIf require CSP to provide more excellent service item.
Further, after k-th of CSP service quality value is obtained, selection meets the CSP of current demand.
Specifically include：Find the whole CSP for meeting current demand condition；To the clothes for the whole CSP for meeting current demand
Being ranked up from high to low for business mass value, SLA details is consulted according to the result after sequence with meeting the CSP of current demand successively
Until consulting successfully, then successful CSP is consulted in selection.
Further, after final choice meets the CSP of current demand, according to service item and the scoring pre-set
Standard scores the CSP of selection each service item.
The above method also includes：As SLA and service Xiang Mingda, after notifying personal user and enterprise customer according to change
Service item and standards of grading the CSP of selection each service item is scored.
Fig. 2 assesses the structural representation of the device of cloud service provider CSP service quality for the present invention, as shown in Fig. 2
Including：SLA (SLA) proxy module and SLA implement evaluation module.Wherein,
SLA proxy modules, for obtaining scoring of the user to each CSP different service items respectively, and are inhomogeneity
Other user distributes corresponding weights.
SLA implements evaluation module, for according to class of subscriber, the scoring to each CSP different service items respectively to be entered
Row summation obtains each CSP of user corresponding with different user classification the first scoring；The weights of distribution are used with corresponding
Each first scoring at family, which is multiplied, obtains each CSP the second scoring, and each CSP service is obtained to the accumulative summation of each second scoring
Mass value.
Said apparatus also includes SLA static evaluation modules, is used for：According to service item and the standards of grading pre-set,
Pre-set each CSP benchmark service quality value.
More preferably, SLA implementations evaluation module is additionally operable to：According to each CSP service quality value and each CSP Service Quality
The product of the evaluation factor of amount obtains each CSP second service mass value.
Wherein, the evaluation factor of each CSP service quality is determined by following calculation：
When the CSP benchmark service quality value be more than the CSP service quality value when the CSP service quality assessment because
Son is：The ratio of CSP benchmark service quality value and CSP service quality value；
When the benchmark service quality value of the CSP is less than or equal to the service quality value of the CSP, the service of the CSP
The evaluation factor of quality is：The service quality value of the CSP and square of the ratio of the benchmark service quality value of the CSP.
Said apparatus also includes：Cloud service catalogue module.Wherein,
Cloud service catalogue module, the information for storing each CSP, including：CSP ID, service ID, SLA, service entry
Mesh.
Further, SLA proxy modules, the whole CSP information for meeting current demand for receiving user, and according to connecing
The information received being ranked up from high to low to the service quality value of the CSP, the service quality value after sequence is sent out
Give the user.
Finally, SLA implementations evaluation module is additionally operable to：As SLA and service Xiang Mingda, after notifying user according to change
Service item scores the CSP of selection each service item with standards of grading are pre-set.
Embodiment two
The system that embodiment two assesses cloud service provider CSP service quality for the present invention, including in the present invention it is above-mentioned
Any one device and multiple CSP and multiple users.Wherein,
Each user, respectively to each CSP respective services project scoring, in the service quality for obtaining each CSP
After value, the result that the service quality value for the CSP that SLA proxy modules are sent is ranked up according to order from high to low is received,
SLA details is consulted until consulting successfully with meeting the CSP of current demand according to the result after sequence successively, then selection is consulted successfully
CSP, and the CSP of selection different service items are scored according to service item and the standards of grading that pre-set.
Each user specifically for：
Found in cloud service catalogue module and meet whole CSP of itself current demand and send that information to service water
Flat agreement SLA proxy modules.
Each CSP, provides CSP information to cloud service catalogue module and sends SLA to SLA static evaluations module.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also use one or more integrated circuits to realize.Accordingly
Each module/unit in ground, above-described embodiment can be realized in the form of hardware, it would however also be possible to employ the shape of software function module
Formula is realized.The application is not restricted to the combination of the hardware and software of any particular form.
It is described above, it is only the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all this
Within the spirit and principle of invention, any modification, equivalent substitution and improvements done etc. should be included in the protection model of the present invention
Within enclosing.
Claims (18)
1. a kind of method for the service quality for assessing cloud service provider CSP, it is characterised in that including：
Scoring of the user to each CSP different service items is obtained respectively；
According to class of subscriber, the scoring to each CSP different service items respectively sum obtaining and different user classification
Each corresponding CSP the first scoring；
Corresponding weights are distributed for different classes of user, by each first scoring phase of the weights of distribution with corresponding user
Multiplied the second scoring to each CSP, each CSP service quality value is obtained to the accumulative summation of each second scoring.
2. according to the method described in claim 1, it is characterised in that the different service items for obtaining user to each CSP
Scoring before, this method also includes：
According to service item and the standards of grading pre-set, each CSP benchmark service quality value is pre-set.
3. according to the method described in claim 1, it is characterised in that methods described also includes：Satisfaction is selected from the CSP
All CSP of user's current demand；
The service quality value of CSP to selecting is ranked up according to order from high to low, according to the result after sequence successively
Consult SLA details until consulting successfully with meeting the CSP of user's current demand, then successful CSP is consulted in selection.
4. method according to claim 3, it is characterised in that meet all of user's current demand in described select
After CSP, this method also includes：According to service item and each service entry of the standards of grading pre-set to the CSP of selection
Mesh scores.
5. method according to claim 2, it is characterised in that methods described also includes：According to each CSP service quality
Value and the product of the evaluation factor of each CSP service quality obtain each CSP second service mass value.
6. method according to claim 5, it is characterised in that the evaluation factor of the service quality of each CSP is under
The calculation in face is determined：
When the benchmark service quality value of the CSP is more than the service quality value of the CSP, the service quality of the CSP is commented
Estimating the factor is：The ratio of the benchmark service quality value of the CSP and the service quality value of the CSP；
When the benchmark service quality value of the CSP is less than or equal to the service quality value of the CSP, the service quality of the CSP
Evaluation factor be：The service quality value of the CSP and square of the ratio of the benchmark service quality value of the CSP.
7. the method according to claim any one of 1-6, it is characterised in that as SLA and service Xiang Mingda, notify to use
The CSP of selection each service item is scored according to the service item after change and the standards of grading pre-set at family.
8. a kind of device for the service quality for assessing cloud service provider CSP, it is characterised in that including：SLA SLA
Proxy module and SLA implement evaluation module；Wherein,
SLA proxy modules, for obtaining scoring of the user to each CSP different service items respectively, and are different classes of
User distributes corresponding weights；
SLA implements evaluation module, for according to class of subscriber, the scoring to each CSP different service items respectively to be asked
With the first scoring for obtaining each CSP corresponding with different user classification；By the weights of distribution and each the first of corresponding user
Scoring, which is multiplied, obtains each CSP the second scoring, and each CSP service quality value is obtained to the accumulative summation of each second scoring.
9. device according to claim 8, it is characterised in that described device also includes SLA static evaluation modules, is used for：
According to service item and the standards of grading pre-set, each CSP benchmark service quality value is pre-set.
10. device according to claim 9, it is characterised in that the SLA implements evaluation module and is additionally operable to：According to each
CSP service quality value and the product of the evaluation factor of each CSP service quality obtain each CSP second service mass value.
11. device according to claim 10, it is characterised in that the evaluation factor of the service quality of each CSP by
Following calculation is determined：
When the benchmark service quality value of the CSP is more than the service quality value of the CSP, the service quality of the CSP is commented
Estimating the factor is：The ratio of the benchmark service quality value of the CSP and the service quality value of the CSP；
When the benchmark service quality value of the CSP is less than or equal to the service quality value of the CSP, the service quality of the CSP
Evaluation factor be：The service quality value of the CSP and square of the ratio of the benchmark service quality value of the CSP.
12. device according to claim 8, it is characterised in that described device also includes：Cloud service catalogue module；Wherein,
Cloud service catalogue module, the information for storing each CSP, including：CSP ID, service ID, SLA, service item.
13. device according to claim 10, it is characterised in that described device also includes：Cloud service catalogue module；Its
In,
Cloud service catalogue module, the information for storing each CSP, including：CSP ID, service ID, SLA, service item.
14. device according to claim 8, it is characterised in that
SLA proxy modules, are additionally operable to receive the whole CSP information for meeting current demand of user, and according to the information received
To the service quality value of the CSP being ranked up from high to low, the service quality value after sequence is sent to the use
Family.
15. device according to claim 10, it is characterised in that
SLA proxy modules, are additionally operable to receive the whole CSP information for meeting current demand of user, and according to the information received
To the service quality value of the CSP being ranked up from high to low, the service quality value after sequence is sent to the use
Family.
16. the device according to claim any one of 8-15, it is characterised in that the SLA implements evaluation module and is additionally operable to：
As SLA and service Xiang Mingda, notify user according to the service item after change and the standards of grading pre-set to selection
CSP each service item scoring.
17. a kind of system for the service quality for assessing cloud service provider CSP, it is characterised in that including such as claim 8--16
Device and multiple CSP and multiple users described in any one；Wherein,
Each user, respectively to each CSP respective services project scoring, after each CSP service quality value is obtained, connects
The result that the service quality value for the CSP that SLA proxy modules are sent is ranked up according to order from high to low is received, after sequence
Result consult SLA details until consults successfully with meeting the CSP of current demand successively, then select the successful CSP of negotiation, and root
The CSP of selection different service items are scored according to service item and the standards of grading pre-set；
Each CSP, provides the information of the CSP to cloud service catalogue module and sends SLA to SLA static evaluations module.
18. system according to claim 17, it is characterised in that each user specifically for：
Find to meet whole CSP of itself current demand and send that information to service level in cloud service catalogue module and assist
Discuss SLA proxy modules.
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| CN108712295A (en) * | 2018-06-06 | 2018-10-26 | 中国电子信息产业集团有限公司第六研究所 | A kind of appraisal procedure and device of safety of cloud service product |
| US11144342B2 (en) | 2019-03-27 | 2021-10-12 | International Business Machines Corporation | Workload execution in a distributed computing infrastructure on candidate nodes identified through plural test deployments |
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