CN101001255A - Method and device for load control of session initial protocol stack - Google Patents
Method and device for load control of session initial protocol stack Download PDFInfo
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- CN101001255A CN101001255A CN 200610162290 CN200610162290A CN101001255A CN 101001255 A CN101001255 A CN 101001255A CN 200610162290 CN200610162290 CN 200610162290 CN 200610162290 A CN200610162290 A CN 200610162290A CN 101001255 A CN101001255 A CN 101001255A
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Abstract
This invention provides a method and a device for controlling loads of SIP, in which, the method includes: judging if the SIP reaches to the limit threshold of its process ability, if so, it refuses receiving new call requests, if the SIP does not reach to the limit, it receives new call and processes it. This invented device includes: a process ability judgement module, a first call process module and a second call process module.
Description
Technical field
The present invention relates to computer application field, relate in particular to a kind of method and apparatus that the conversation initialized protocol stack is carried out load control.
Background technology
SIP (Session Initiation Protocol, conversation initialized protocol) is a kind of application layer control protocol, is mainly used in foundation, revises and stops Multimedia session.The Session Initiation Protocol stack is a kind of realization of Session Initiation Protocol, mainly is to support for Multimedia session provides miscellaneous service.
The Session Initiation Protocol stack is the same with other any protocol stack a performance boundary.If call volume has sometime surpassed the limiting value of the disposal ability of Session Initiation Protocol stack, so just some calling need be left in the formation the inside, wait for post-processed.If the overlong time that this situation continues, the calling of leaving in so in the formation will get more and more, so it is also more and more to store the shared internal memory of these callings, when shared internal memory reaches certain limiting value, the Session Initiation Protocol stack will be in the vicious circle.The processing of the calling of some well afoot can not be finished, and the new calling that receives can not be handled, and calling ratio of success will reduce greatly, finally cause the whole system paralysis, can not handle any calling again.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of method and apparatus that the conversation initialized protocol stack is carried out load control, so that can be after the Session Initiation Protocol stack reaches processing limit, system still can normally move.
The purpose of the embodiment of the invention is achieved through the following technical solutions:
A kind of method that the conversation initialized protocol stack is carried out load control comprises step:
S1, according to the load operating position of the load-factor that influences conversation initialization Session Initiation Protocol stack performance, judge whether the Session Initiation Protocol stack has reached the limit threshold values of disposal ability; When definite described Session Initiation Protocol stack has reached the limit threshold values of disposal ability, go to step S2; When definite described Session Initiation Protocol stack does not reach processing limit, go to step S3;
S2, reject new call request;
S3, receive and newly to call out and carry out call treatment.
A kind of device that the conversation initialized protocol stack is carried out load control comprises: disposal ability judge module, first call processing module and second call processing module; Wherein,
Described disposal ability judge module according to the load operating position of the load-factor that influences Session Initiation Protocol stack performance, judges whether the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, when judged result when being, handle by described first call processing module; When judged result for not the time, handle by described second call processing module;
Described first call processing module is used to reject new call request;
Described second call processing module is used to receive new calling and carries out call treatment.
The technical scheme that is provided by the invention described above embodiment as can be seen, the embodiment of the invention is by determining according to the load operating position of the load-factor that influences Session Initiation Protocol stack performance whether the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, reached the limit threshold values of disposal ability at the Session Initiation Protocol stack after, reject new call request.After using the embodiment of the invention, can be after the Session Initiation Protocol stack reach processing limit, system still can normally move, and the situation of whole system paralysis can not occur; And, can exist calling ratio of success to maintain a higher level in the assurance system.
Description of drawings
Fig. 1 is the process chart of the described method of the embodiment of the invention;
Fig. 2 is the situation of change schematic diagram of the internal memory use amount of the described a kind of Session Initiation Protocol stack of the embodiment of the invention;
Fig. 3 is the situation of change schematic diagram of the cpu busy percentage of the described a kind of Session Initiation Protocol stack of the embodiment of the invention;
Fig. 4 is for the available thread of the described a kind of Session Initiation Protocol stack that is in normal condition of the embodiment of the invention and used thread ratio schematic diagram;
Fig. 5 is for the available thread of the described a kind of Session Initiation Protocol stack that is in load condition of the embodiment of the invention and used thread ratio schematic diagram;
Fig. 6 is the structural representation of the described device of the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of method and apparatus that the conversation initialized protocol stack is carried out load control, determine according to the load operating position of all load-factors that influence Session Initiation Protocol stack performance whether the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, reached the limit threshold values of disposal ability at the Session Initiation Protocol stack after, reject new call request.After the disposal ability of Session Initiation Protocol stack was recovered normally, system received new calling again and handles accordingly.
Describe the method for the invention in detail below in conjunction with accompanying drawing, the handling process of the described method of the embodiment of the invention comprises the steps: as shown in Figure 1
Step 1-1, when the sampling period arrives, obtain to influence the load operating position of load-factor of the performance of Session Initiation Protocol stack.
At first need to be set a sampling period to the Session Initiation Protocol stack, when the timing in this sampling period arrives, system just samples to the loading condition of all load-factors of the performance that influences the Session Initiation Protocol stack, obtain to influence the load operating position of load-factor of the performance of Session Initiation Protocol stack, determine whether each on-load factor load has taken place.The above-mentioned sampling period can be taked the mode of repeating query.
Above-mentioned all load-factors that influence the performance of Session Initiation Protocol stack mainly comprise: thread pool utilance of internal memory use amount, cpu busy percentage and protocol stack self or the like.Introduce the specific algorithm of the load operating position that obtains above-mentioned each on-load factor below respectively.
1, internal memory use amount.
When the internal memory use amount of Session Initiation Protocol stack had surpassed the internal memory use amount maximum of configuration, the internal memory load had just taken place.The internal memory use amount belongs to system level, can influence all processes that operate on the operating system.The situation of change schematic diagram of the internal memory use amount of a Session Initiation Protocol stack as shown in Figure 2.
The internal memory use amount of Session Initiation Protocol stack comprises following stage 1, stage 2, stage 3 and stages 4 four-stage according to order from low to high.
Stage 1, when the internal memory use amount of Session Initiation Protocol stack is lower than the internal memory use amount maximum of configuration, there is not the internal memory load in the Session Initiation Protocol stack.
Such as, in the situation of change of internal memory use amount shown in Figure 2, curve representation the internal memory use amount of Session Initiation Protocol stack, solid line is represented the internal memory use amount maximum to the configuration of Session Initiation Protocol stack, belong to the stage 1 in this zone below solid line, at this moment, the internal memory use amount of Session Initiation Protocol stack is in normal condition.
Stage 2, when the internal memory use amount of Session Initiation Protocol stack greater than the internal memory use amount maximum of configuration within the limits prescribed the time, the Session Initiation Protocol stack is in normal internal memory load condition.
Such as, in the situation of change of internal memory use amount shown in Figure 2, the zone between article one dotted line and solid line belongs to the stage 2, and at this moment, the internal memory use amount of Session Initiation Protocol stack is in the normal load state.
Stage 3, when the internal memory use amount of Session Initiation Protocol stack continues to increase, the Session Initiation Protocol stack is in medium internal memory load condition.
Such as, in the situation of change of internal memory use amount shown in Figure 2, the zone between article one dotted line and second dotted line belongs to the stage 3, at this moment, the internal memory use amount of Session Initiation Protocol stack is in the medium load state, and in this state, some callings that newly receive will be stored in formation.
Stage 4, when the internal memory use amount of Session Initiation Protocol stack continues to increase, the Session Initiation Protocol stack is in high internal memory load condition.
Such as, in the situation of change of internal memory use amount shown in Figure 2, the above zone of second dotted line belongs to the stage 4, and at this moment, the internal memory use amount of Session Initiation Protocol stack is in high load condition, and in this state, all callings that receive all will be stored in formation.Then, along with ongoing calling constantly finishes, the internal memory use amount of Session Initiation Protocol stack can progressively descend again, and the internal memory use amount of Session Initiation Protocol stack returns to normal condition again, can continue to handle the calling that newly receives.
2, cpu busy percentage.
When the cpu busy percentage of Session Initiation Protocol stack had surpassed the maximum of configuration, cpu load had just taken place.Cpu busy percentage belongs to system level, can influence all processes that operate on the operating system.According to the above-mentioned sampling period of giving the repeating query of Session Initiation Protocol stack setting, system can remove the once sampling cpu busy percentage at set intervals, when the sampled value continuous several times of the cpu busy percentage that obtains has surpassed maximum, has taken place with regard to the cpu load of determining the Session Initiation Protocol stack.
The situation of change schematic diagram of the cpu busy percentage of a Session Initiation Protocol stack as shown in Figure 3.In Fig. 3, curved portion is represented practical efficiency and the cpu busy percentage sampled value of CPU, and horizontal linear is represented the maximum of the cpu busy percentage that disposes.If the sampled value of the continuous cpu busy percentage that obtains exceeds peaked number of times and surpassed pre-configured number of times (for example 4 times), then the cpu load of Session Initiation Protocol stack will take place, and in this state, all callings that receive all will be stored in formation.Then, along with ongoing calling constantly finishes, cpu busy percentage can constantly reduce, and when cpu busy percentage was lower than maximum, the Session Initiation Protocol stack can begin to handle the calling that newly receives again.
3, thread pool utilance.
The thread pool utilance of Session Initiation Protocol stack is: available thread and the ratio of using thread in the thread pool.The quantity of available thread constantly reduces in the thread pool of Session Initiation Protocol stack, available thread and when having surpassed predefined numerical value with the ratio of thread, and the load of thread pool utilance will take place.The thread pool utilance only itself influences to some extent to the Session Initiation Protocol stack, can not influence other process in the system.The thread pool module can be carried out real-time statistics to the behaviour in service of thread, when having a new task to arrive, will distribute a thread to go to carry out, and at this moment will increase by 1 with Thread Count, and the available line number of passes will reduce 1.
The available thread of a Session Initiation Protocol stack and used thread ratio schematic diagram as shown in Figure 4 and Figure 5.Fig. 4 is in the available thread under the normal condition and has used thread ratio schematic diagram for the thread pool utilance, and as can be seen from Figure 4, the quantity of available thread is greater than the quantity of using thread.Fig. 5 is in the available thread under the loading condition and has used thread ratio schematic diagram for the thread pool utilance, and as can be seen from Figure 5, the quantity of having used thread is widely greater than the quantity of available thread.At this moment, the thread pool utilance of Session Initiation Protocol stack is in load condition.In this state, all callings that receive all will be stored in formation.Then, along with ongoing calling constantly finishes, the thread pool utilance can constantly reduce, when the quantity of available thread constantly reduces, available thread and be reduced to predefined numerical value when following with the ratio of thread, the thread pool utilance of Session Initiation Protocol stack returns to normal condition again, and the Session Initiation Protocol stack can begin to handle the calling that newly receives again.
Step 1-3, determine according to the load operating position of the load-factor that obtains whether whole Session Initiation Protocol stack has reached processing limit, and then determine whether to receive new calling.
In the load operating position of the load-factor of the performance that has obtained to influence the Session Initiation Protocol stack, determined whether load-factor load has taken place after, just can determine further whether the Session Initiation Protocol stack has reached processing limit.
After load has taken place in one or more load-factors, just can take all factors into consideration the order of severity of this load-factor that load has taken place for the Session Initiation Protocol stack, and the load operating position that the load-factor of load does not take place, determine whether the Session Initiation Protocol stack has reached processing limit.
For example, when sampling at least obtain in described internal memory use amount, cpu busy percentage and the thread pool utilance one of the load operating position, determine in described at least internal memory use amount, cpu busy percentage and the thread pool utilance one of when load has taken place, determine that then described Session Initiation Protocol stack has reached the limit threshold values of disposal ability.
Again for example, when CPU has surpassed maximum continuous 4 times, but the last time is lower than peak value.Internal memory use amount and thread use amount do not reach load yet simultaneously, and then definite at this moment whole Session Initiation Protocol stack is still calculated and do not reached processing limit.
After definite Session Initiation Protocol stack has reached processing limit, the just new calling of rejection of system.When the next sampling period arrives, after the loading condition to all load-factors of influencing Session Initiation Protocol stack performance carries out resampling and calculates, after determining that the Session Initiation Protocol stack does not reach processing limit, system just can receive new calling again, and handles accordingly.Thereby guaranteed the Session Initiation Protocol stack after reaching processing limit, system still can normally move, and the situation of whole system paralysis can not occur.
After not having load-factor that load has taken place, determine that then the Session Initiation Protocol stack does not reach processing limit, system can normally receive new calling again, and handles accordingly.
The structural representation of the described device of the embodiment of the invention is (but being not limited to Fig. 6) as shown in Figure 6, comprises that loading condition obtains module, disposal ability judge module, first call processing module and second call processing module.Wherein:
Loading condition obtains module, is used for when the timing in sampling period arrives, and the sampling acquisition influences the load operating position of load-factor of the performance of Session Initiation Protocol stack, and exports to the disposal ability judge module.
The disposal ability judge module is used for the load operating position according to the load-factor of loading condition acquisition module output, determines whether whole Session Initiation Protocol stack has reached the limit threshold values of disposal ability; When judging that the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, is handled by described first call processing module; When judging that the Session Initiation Protocol stack does not reach the limit threshold values of disposal ability, is handled by described second call processing module.
First call processing module is used to reject new call request;
Second call processing module is used to receive new calling and carries out call treatment.
Wherein, described loading condition obtains module and can comprise: the internal memory use amount obtains module, and being used to sample obtains the internal memory use amount of Session Initiation Protocol stack and export to described disposal ability judge module; And, described disposal ability judge module comprises: internal memory use amount judge module, be used to receive the internal memory use amount of described acquisition, when the internal memory use amount of described acquisition has surpassed pre-configured internal memory use amount maximum, determine that the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, and notify described first call processing module.
Wherein, described loading condition obtains module and can comprise: cpu busy percentage obtains module, and being used to sample obtains the cpu busy percentage of Session Initiation Protocol stack and export to described disposal ability judge module; And, described disposal ability judge module comprises: the cpu busy percentage judge module, be used to receive the cpu busy percentage of described acquisition, when the cpu busy percentage of described acquisition has surpassed pre-configured cpu busy percentage maximum, determine that the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, and notify described first call processing module;
Wherein, described loading condition obtains module and can comprise: the thread pool utilance obtains module, and being used to sample obtains the thread pool utilance of Session Initiation Protocol stack and export to described disposal ability judge module; And, described disposal ability judge module comprises: thread pool utilance judge module, be used to receive the thread pool utilance of described acquisition, and when available thread in the thread pool of determining the Session Initiation Protocol stack with the ratio of thread during above predefined numerical value, determine that the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, and notify described first call processing module.
The described device of one embodiment of the invention can also be taken all factors into consideration one of them of described at least internal memory use amount, cpu busy percentage and thread pool utilance, judges whether described Session Initiation Protocol stack has reached the limit threshold values of disposal ability; For example, the two judges whether described Session Initiation Protocol stack has reached the limit threshold values of disposal ability can to take all factors into consideration described internal memory use amount and cpu busy percentage; Perhaps, can take all factors into consideration described internal memory use amount, cpu busy percentage and this three of thread pool utilance and judge whether described Session Initiation Protocol stack has reached the limit threshold values of disposal ability;
At this moment, described loading condition obtains module and comprises that at least following internal memory use amount obtains one of them that module, cpu busy percentage acquisition module and thread pool utilance obtain module, wherein,
Described internal memory use amount obtains module, is used to sample obtain the internal memory use amount of Session Initiation Protocol stack and export to described disposal ability judge module;
Described cpu busy percentage obtains module, is used to sample obtain the cpu busy percentage of Session Initiation Protocol stack and export to described disposal ability judge module;
Described thread pool utilance obtains module, is used to sample obtain the thread pool utilance of Session Initiation Protocol stack and export to described disposal ability judge module.
Accordingly, described disposal ability judge module comprises:
Comprehensive judge module, be used for having surpassed cpu busy percentage that pre-configured internal memory use amount maximum, cpu busy percentage obtain module output and having surpassed thread pool utilance that pre-configured cpu busy percentage maximum and thread pool utilance obtain module output and surpassed wherein at least one the time of predefined numerical value, determine that described Session Initiation Protocol stack has reached the limit threshold values of disposal ability when satisfying internal memory use amount that described internal memory use amount obtains module output.
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 (11)
1, a kind of method that the conversation initialized protocol stack is carried out load control is characterized in that, comprises step:
S1, according to the load operating position of the load-factor that influences conversation initialization Session Initiation Protocol stack performance, judge whether the Session Initiation Protocol stack has reached the limit threshold values of disposal ability; When definite described Session Initiation Protocol stack has reached the limit threshold values of disposal ability, go to step S2; When definite described Session Initiation Protocol stack does not reach processing limit, go to step S3;
S2, reject new call request;
S3, receive and newly to call out and carry out call treatment.
One of 2, method according to claim 1 is characterized in that, the load-factor described in the described step S1 comprises at least: in internal memory, central processor CPU and the thread pool.
3, method according to claim 2 is characterized in that, also comprises step before the described step S1:
Be set for the Session Initiation Protocol stack in the sampling period of a repeating query;
One of when the timing in described sampling period arrives, in sample at least acquisition described internal memory use amount, cpu busy percentage and the thread pool utilance.
4, method according to claim 3 is characterized in that, described step S1 comprises:
Available thread and surpassed wherein at least one the time of predefined numerical value with the ratio of thread when sampled value that the internal memory use amount that satisfies the Session Initiation Protocol stack that sampling obtains has surpassed the maximum of pre-configured internal memory use amount, cpu busy percentage that sampling obtains has surpassed the maximum of pre-configured cpu busy percentage and in the thread pool of Session Initiation Protocol stack determines that described Session Initiation Protocol stack has reached the limit threshold values of disposal ability.
5, a kind of device that the conversation initialized protocol stack is carried out load control is characterized in that, comprising: disposal ability judge module, first call processing module and second call processing module; Wherein,
Described disposal ability judge module according to the load operating position of the load-factor that influences Session Initiation Protocol stack performance, judges whether the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, when judged result when being, handle by described first call processing module; When judged result for not the time, handle by described second call processing module;
Described first call processing module is used to reject new call request;
Described second call processing module is used to receive new calling and carries out call treatment.
6, device according to claim 5 is characterized in that, described device also comprises:
Loading condition obtains module, is used for when the timing in the sampling period that sets in advance arrives, and the sampling acquisition influences the load operating position of load-factor of the performance of Session Initiation Protocol stack.
7, device according to claim 6 is characterized in that, described loading condition obtains module and comprises: the internal memory use amount obtains module, and being used to sample obtains the internal memory use amount of Session Initiation Protocol stack and export to described disposal ability judge module;
And, described disposal ability judge module comprises: internal memory use amount judge module, be used to receive the internal memory use amount of described acquisition, when the internal memory use amount of described acquisition has surpassed pre-configured internal memory use amount maximum, determine that the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, and notify described first call processing module.
8, device according to claim 6 is characterized in that, described loading condition obtains module and comprises: cpu busy percentage obtains module, and being used to sample obtains the cpu busy percentage of Session Initiation Protocol stack and export to described disposal ability judge module;
And, described disposal ability judge module comprises: the cpu busy percentage judge module, be used to receive the cpu busy percentage of described acquisition, when the cpu busy percentage of described acquisition has surpassed pre-configured cpu busy percentage maximum, determine that the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, and notify described first call processing module.
9, device according to claim 6 is characterized in that, described loading condition obtains module and comprises: the thread pool utilance obtains module, and being used to sample obtains the thread pool utilance of Session Initiation Protocol stack and export to described disposal ability judge module;
And, described disposal ability judge module comprises: thread pool utilance judge module, be used to receive the thread pool utilance of described acquisition, and when available thread in the thread pool of determining the Session Initiation Protocol stack with the ratio of thread during above predefined numerical value, determine that the Session Initiation Protocol stack has reached the limit threshold values of disposal ability, and notify described first call processing module.
10, device according to claim 6 is characterized in that, described loading condition obtains module and comprises that at least following internal memory use amount obtains one of them that module, cpu busy percentage acquisition module and thread pool utilance obtain module, wherein,
Described internal memory use amount obtains module, is used to sample obtain the internal memory use amount of Session Initiation Protocol stack and export to described disposal ability judge module; Described cpu busy percentage obtains module, is used to sample obtain the cpu busy percentage of Session Initiation Protocol stack and export to described disposal ability judge module;
Described thread pool utilance obtains module, is used to sample obtain the thread pool utilance of Session Initiation Protocol stack and export to described disposal ability judge module.
11, device according to claim 10 is characterized in that, described disposal ability judge module comprises:
Comprehensive judge module, be used for having surpassed cpu busy percentage that pre-configured internal memory use amount maximum, cpu busy percentage obtain module output and having surpassed thread pool utilance that pre-configured cpu busy percentage maximum and thread pool utilance obtain module output and surpassed wherein at least one the time of predefined numerical value when satisfying internal memory use amount that described internal memory use amount obtains module output, determine that described Session Initiation Protocol stack has reached the limit threshold values of disposal ability, and notify described first call processing module.
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| CN 200610162290 CN101001255A (en) | 2006-12-19 | 2006-12-19 | Method and device for load control of session initial protocol stack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104951357A (en) * | 2014-03-28 | 2015-09-30 | 华为技术有限公司 | Parallel user state protocol stack management method and protocol stack system |
| CN107295045A (en) * | 2016-03-31 | 2017-10-24 | 阿里巴巴集团控股有限公司 | A kind of message treatment method and device |
-
2006
- 2006-12-19 CN CN 200610162290 patent/CN101001255A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104951357A (en) * | 2014-03-28 | 2015-09-30 | 华为技术有限公司 | Parallel user state protocol stack management method and protocol stack system |
| WO2015143904A1 (en) * | 2014-03-28 | 2015-10-01 | 华为技术有限公司 | Method for managing parallel user mode protocol stacks and protocol stack system |
| CN104951357B (en) * | 2014-03-28 | 2018-06-26 | 华为技术有限公司 | The management method and protocol stack system of concurrent user state protocol stack |
| CN107295045A (en) * | 2016-03-31 | 2017-10-24 | 阿里巴巴集团控股有限公司 | A kind of message treatment method and device |
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Open date: 20070718 |