CN1879436A - A common path signal link system overload control method - Google Patents
A common path signal link system overload control method Download PDFInfo
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- CN1879436A CN1879436A CNA2003801108297A CN200380110829A CN1879436A CN 1879436 A CN1879436 A CN 1879436A CN A2003801108297 A CNA2003801108297 A CN A2003801108297A CN 200380110829 A CN200380110829 A CN 200380110829A CN 1879436 A CN1879436 A CN 1879436A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
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Abstract
The present invention disclosed a common path signal link system overload control method, comprise the step of: link control course time detect the number of unprocessed signal message in message sequence, determining if the number of the unprocessed signal message exceed threshold of start overload. If the number of the unprocessed signal message exceed threshold of start overload, the link control course dynamic control the number of the service process course accessed new service, by transmit message to service process course.
Description
The overload controlling method of common channel signaling chain-circuit system
Technical field
The present invention relates to the overload controlling method of the overload controlling method of the common modern flow of Lu Xinlu systems letter in business procession in communication system, more particularly to the service access processing of common channel signaling chain-circuit system and the modern flow of letter.Background technology
In common Lu Xinlu systems（Signalling system No.7 interface, V5 interfaces）In, all letters are modern all defeated by believing, when signaling traffic is excessive and exceedes the disposal ability on letter road, ^ is failed into substantial amounts of signaling link chain rupture in system or link setup, causes frequent link setup, so as to have a strong impact on the overall performance of system.Therefore be necessary to consider a kind of scheme of the premature beats of rational signaling link, to be under overload conditions the rationally service access amount of control system on letter road, and ensure that the load on letter ^ roads is in one and stablized relatively and controllable state, to ensure that system also can normally be run in the case of Bulk Call, and the self-recovery function with signaling link.
In common Lu Xinlu systems, local signaling message is produced by operation layer, and escaped link layer transfer, and is received first by link layer in opposite end signaling message, then is sent to operation layer and is handled.In this process, there is the process that opposite end is confirmed, when it is local it is a number of make message be sent to opposite end after, it is necessary to receive the confirmation of receipt message of opposite end after could continue, to its other signaling message of hair ease, otherwise cannot continue to send.When local service amount is very big, because speed of the speed always than other side's confirmation signaling message of locally generated signaling message is fast, therefore signaling message is easily locally being accumulated, and the system failure is may result in after the accumulation of signaling message reaches to a certain degree.
A kind of service control point is proposed in United States Patent (USP) NO.6510214（SCP overload detection and the method for control)：Overload control system estimates overload degree, Transaction Capability Application Part TCAP by the incubation period in the logic business rifle parallel operation in service control point and the depth of stack（TCAP) according to overload degree come the access of control business.Used in United States Patent (USP) NO.6510214 detection method
It is an absolute magnitude, and system load is very big when overload is produced, therefore its processing method used is to abandon newly to arrive business after overload is entered.The content of the invention
It is an object of the invention to provide a kind of overload controlling method of common channel signaling chain-circuit system, with by monitor in real time link layer etc. pending signaling message queue, real-time signaling link overload situations are notified into business processing process, the access quantity of new business is controlled by operation layer, carry out the flow of control signaling link, the problem of to solve signaling link frequent chain rupture, while the problem of business processing flowed fluctuation is big and unstable is solved, to ensure the reliability service of system.
In order to realize the object above of the present invention, the technical scheme taken is：
A kind of overload controlling method of common channel signaling chain-circuit system, including：Untreated signaling message quantity in link control reset timing detection message queue, judges whether the untreated signaling message quantity exceedes overload and start thresholding；If described be judged as that the untreated signaling message quantity exceedes overload and starts thresholding, by sending message to business processing process, business processing process accesses the quantity of new business as described in the link control reset dynamic control.
Preferably, the step of business processing process described in the link control reset dynamic control accesses the quantity of new business includes：Following step 1. (ii) is performed with a predetermined time interval repeatedly, until the signaling message quantity of message queue is less than overload recovery thresholding：（I) judge whether the signaling message quantity of the message queue recovers thresholding less than the overload, if the signaling message quantity of the message queue recovers thresholding less than the overload, notify the business processing processes to recover normal condition；（Ii) if the signaling message quantity of the message queue recovers thresholding higher than the overload, following steps are performed：Judge whether the length of presently described message queue is more than the message queue length before the predetermined time interval, if the length of presently described message queue is more than the message queue length before the predetermined time interval, then judge whether the signaling message increase number of the message queue exceedes overload incremental thresholds, if the signaling message increase number of the message queue exceedes overload incremental thresholds, the link control reset sends overload control message to the business processing process；If the message queue length that the length of presently described message queue is less than or equal to before the predetermined time interval, judge that the signaling message of the message queue reduces whether number exceedes overload decrement thresholding, if the signaling message of the message queue reduces number
More than overload decrement thresholding, then the link control reset, which sends to overload, releases message to the business processing process.
Preferably, the step of business processing process described in the link control reset dynamic control accesses the quantity of new business also includes：The business processing process receives the message from the link control reset, the access quantity of new business is decreased or increased into a predetermined quantity, and the calling for allowing access is evenly distributed in calling access statistical window.
Preferably, it is described to further comprise the step of notify the business processing processes to recover normal condition：The business processing process is stepped up the access quantity of new business with a predetermined time interval.
Preferably, the step of business processing process described in the link control reset dynamic control accesses the quantity of new business also includes：The business processing process receives the message from the link control reset, if the message is premature beats message, then the business processing process reduces the access quantity of m new business, if the message releases message for overload, then the business processing process increases the access quantity of n new business, the m and n are natural number, and 111>11.
Preferably, the overload starts the 50%-70% that thresholding accounts for the memory block size of the message queue using the current signaling message quantity of the message queue；The current signaling message quantity that the overload beginning thresholding is set to the message queue accounts for the 60% of the memory block size of the message queue.
Preferably, the overload recovery door P is blunt close and starts thresholding less than the overload.
The overload controlling method of common Lu Xinlu systems provided by the present invention, premature beats are implemented according to the transmittability of the signaling processing ability of system and link as soon as possible, and the change of the signaling message quantity in detection signaling message queue in real time dynamically controls the access quantity of new business, by slowing down liter soon, the access of the new call business of uniformly random refusal, and substantially solved the chain breaking problem of the V5 signaling links between BSS base station sub-systems and interchanger, so that the calling flow in system is steady, signaling traffic fluctuation is small, so as to effectively reduce the impact to interchanger and V5 interfaces, it ensure that the stability and reliability of system.Meanwhile, method provided by the present invention is also applied for SS7 Signaling System Number 7 chain-circuit systems.Brief description of the drawings
Believe by the way that below in conjunction with explanation of the accompanying drawing to the specific embodiment of the invention, people can be made more
The characteristics of understanding of the invention above-mentioned well, advantage and purpose.
Fig. 1 structural representations shown in that the system environments of the overload controlling method of common channel signaling chain-circuit system according to an embodiment of the invention can be achieved；
Fig. 2 shows the flow chart of the overload controlling method of the common channel signaling prostitute road system according to the present invention；Fig. 3 shows the process flow diagram flow chart of the access quantity of dynamic control new business in the overload controlling method of common channel signaling chain-circuit system according to an embodiment of the invention；
Fig. 4 shows the test result of the overload situations of the common channel signaling chain-circuit system to not applying the present invention；
Fig. 5 shows the test result of the overload situations of the common channel signaling chain-circuit system to application one embodiment of the present of invention.Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the system environments for the overload controlling method that can realize Lu Xinlu systems common according to an embodiment of the invention wherein.As shown in figure 1, the common channel signaling chain-circuit system in the present embodiment includes link control reset 101 and business processing process 103, the two realizes the mutual transmission of intercommunication message by communications platform 105.In common Lu Xinlu systems, business processing process 103 is in operation layer, for controlling new service access and producing corresponding signaling message, and link control reset 101 is in the transport layer of system, for controlling local signaling message to pass through the transmission of the link layer of signaling link 107 to peer-to-peer system 109, and the link layer of peer-to-peer system 109 needs to carry out the process of a confirmation to the signaling message received, operation layer is then transferred to again and is handled.After a number of signaling message is sent to opposite end by the transport layer of local system, it could continue to be sent to other signaling messages after the confirmation of receipt message for needing to receive peer-to-peer system 109, otherwise it cannot continue to send, when the portfolio of local system is very big, due to local system, to produce speed of the speed of signaling message always than other side's confirmation signaling message fast, therefore signaling message is easily accumulated in local transmission layer.Therefore the overload situations of signaling prostitute road system are controlled, with the service access amount of reasonable control system under being in overload conditions in signaling link, and ensure that the load of signaling link is in one and stablized relatively and controllable state, to ensure that system also can normally be run in the case of Bulk Call.
Fig. 2 shows the flow chart of the overload controlling method of the common Lu Xinlu systems according to the present invention.As shown in Fig. 2 the overload controlling method of the common channel signaling chain-circuit system, first in step 201, link control reset monitors untreated signaling message quantity.
Then, in step Sudden 203, link control reset judges whether untreated signaling message quantity exceedes overload and start thresholding, if exceeding, overload control message is sent to business processing process.Concretely, it is very big that the usual message Slow for being used for the untreated signaling messages of ^ in systems, which deposits area, the transmittability of its signaling processing ability for being far longer than system and link, so should implement premature beats as early as possible according to the signaling processing ability of system and the transmittability of link, system can have sufficient control ability to link circuit condition and service access.If it is slower to start premature beats, causes system to access substantial amounts of business, then these business can produce substantial amounts of signaling message, cause link control reset to lose the control ability to signaling link, so as to cause the congestion of signaling link.In the present embodiment, the current signaling message quantity for overload beginning thresholding being set into message queue accounts for the 60% of the memory block size of message queue.When the quantity of untreated signaling message has exceeded the 60% of message queue memory block size into current message queue when chain i process detections, i.e., overload control message is sent to business processing process, to start premature beats.Business processing process is received after the premature beats message from link control reset, reduces the access quantity of new business.In the present embodiment, business processing process receives the access quantity that premature beats message just reduces by 2 new business every time.In the present embodiment, the mode of some new business accesses of random rejection is taken, rather than abandons the mode for the business that the signaling message produced or release have been set up to realize the control of overload.
In step 205, link control reset dynamic control business processing process accesses the quantity of new business.Specifically, the process of the quantity of link control reset dynamic control business processing process access new business is as shown in Figure 3.
Fig. 3 shows the process flow diagram flow chart of the access quantity of dynamic control new business in the overload controlling method of common channel signaling chain-circuit system according to an embodiment of the invention.As shown in Figure 3, the process of the quantity of link control reset dynamic control business processing process access new business is to perform each step in Fig. 3 repeatedly at a time interval, until less than or equal to one overload of the signaling message quantity in message queue recovers thresholding.
First, in step 301, link control reset starts an overload monitor timer, to set
Timing detects the time interval of message queue.When signaling link overloads generation, the flow of usual signaling is 4 blunt big, and can also produce more signaling messages in a short time, so the time interval of timing detection should be as far as possible smaller, it is to avoid assay intervals overlong time and produce more new signaling messages.In addition, the time interval is decided by that operating system dispatches the time interval of process, generally 20 Bos second.
In step 302, after monitor timer is overloaded then, the signaling message quantity in link control reset detection message queue judges whether the quantity of signaling message in message queue recovers thresholding less than or equal to overload.If the signaling message quantity in message queue recovers thresholding less than or equal to overload, the process proceeds to step 303, otherwise, performs step 305.In the present embodiment, in order to believe that system the overload on ^ roads takes control and dynamic control as early as possible, system is set still to have stronger control ability after overload, therefore overload is recovered thresholding to be set to start thresholding close to but less than overload, to cause overload after releasing if larger signaling information flow, system can detect new overload as soon as possible and be controlled by early.
In step 303, link control reset notifies business processing process to enter overload Restoration stage, business processing process starts recovery business and sets business recovery timer, the access quantity of new business is stepped up by business recovery timer, until system recovers normal condition , Bu Sudden 304.In the present embodiment, it a business recovery timer can be used to carry out control business treatment progress and recover the time interval that new business accesses quantity, such as 2 seconds, and take the method for fine setting, the access quantity of each increased new business can not be too many, such as increases the access quantity of 1 new business every time, is fluctuated to prevent locking system too big, when system recovers normal condition or business processing process is received again by premature beats message, stop the business recovery stage.
In step 305, link control reset restarting overload monitor timer.Then Bu Sudden 306, chain process judges that the signaling message quantity in message queue is more than overload and starts thresholding, and judge that the length of the length of current message queue message queue detected after whether overloading monitor timer then than last time is small, if, then process proceeds to Bu Sudden 307, otherwise, performs step 309.
In step 307, link control reset was determined whether within the period as defined in overload monitor timer, and whether the decrement of signaling message quantity is higher than a predetermined overload decrement thresholding in message queue.If so, then the process proceeds to step 308, increase the access quantity of new business；Otherwise, process proceeds to step 311.Overloading decrement thresholding can be according to the size and system of the memory block of message queue
Service access and link control ability depending on, in the present embodiment will overload decrement thresholding be set to 45.
In step 308, link control reset releases message to business processing process transmission overload, and business processing process is received after the message, increases the access quantity of new business, and resets overload recovery timer.In the present embodiment, business processing process receives the access quantity that overload releases the new k business of increase by 1 after message.Then, process reaches step 311.
In step 309, link control reset determines whether when overloading as defined in monitor timer in id sections, whether the incrementss of signaling message quantity are higher than a predetermined overload incremental thresholds in message queue.If so, then the process proceeds to step 310, the access quantity of new business is further reduced, and resets overload and recovers timer；Otherwise, the process proceeds to step 311.Depending on overload incremental thresholds can be according to the size of the memory block of message queue and the service access of system and the control ability of link, overload incremental thresholds are set to 40 in the present embodiment.
In step 310, chain process sends overload control message to business processing process, and business processing process is received after the message, further reduces the access quantity of new business.In the present embodiment, business processing process receives the access quantity for reducing by 2 new business after premature beats message.Then, process proceeds to step 311.In the present embodiment, in order to prevent system fluctuation excessive, the method for fine setting is taken overload, it is ensured that the portfolio changed every time is not so high, therefore the speed of system reduction new business access is faster than the speed of increase new business access.
In step 311, the process goes to step 302, repeats step described above, proceeds the dynamic control of the detection of signaling message quantity and the quantity to business processing process access new business in the message queue of timing, until system recovers normal condition.
In the present embodiment, the premature beats and overload that business processing process is sent according to link control reset release message, uniformly limit the access newly called.The method that business processing Process flowchart newly calls access is as follows：Business processing process is blunt to set statistical window according to premature beats service access ratio, it is typically set to 32, the calls of access is counted with every 32 callings for a cycle, current statistic window is set to allow the calls of access, whether the ringing number currently newly accessed is done allows the differentiation of access, and the ringing number for allowing access is evenly distributed in statistical window.When new business is accessed, if its ringing number is to allow the ringing number of access, allow this calling of access；Connect if its ringing number is refusal
The ringing number entered, then refusal access calling.
In addition, Fig. 4 shows the test result of the overload situations of the common channel signaling chain-circuit system to not applying the present invention.Wherein, in the common Lu Xinlu systems, call testing is carried out using big traffic simulation program, foreground control persistent call, simulation Qi Hu 240 tunnels are risen and exhaled plus by the tunnels of Hu Gong 480, duration of call 6S and duration of a call are 4S.As can be seen that not applying the traffic variation of the common channel signaling chain-circuit system of embodiments of the invention very big, interface is caused easily to break because of system overload congestion.
Fig. 5 shows the test result to the common channel signaling link ^ of the application one embodiment of the present of invention overload situations united.In the present embodiment, call testing is carried out using big traffic simulation program, foreground control persistent call simulates the tunnels of Qi Hu 240, rises and exhale plus by the tunnels of Hu Gong 480, the duration of call is 2S, and duration of a call is 4S.As can be seen that the traffic variation for applying the common Luo signaling prostitute road system of one embodiment of the present of invention is small, flow system flow is steady.
Although the overload controlling method of the common channel signaling road system of the present invention is described in detail by some exemplary embodiments above, but the above embodiment is not exhaustive, those skilled in the art can realize variations and modifications within the spirit and scope of the present invention.Therefore, the present invention is not limited to these embodiments, and the scope of the present invention is only defined by appended claims.
Claims (8)
- Claim1. a kind of overload controlling method of common channel signaling chain-circuit system, it is characterised in that this method includes：Untreated signaling message quantity in link control reset timing detection message queue, judges whether the untreated signaling message quantity exceedes overload and start thresholding；If described be judged as that the untreated signaling message quantity exceedes overload and starts thresholding, by sending message to business processing process, the quantity that k business treatment progress accesses new business is confused by the link control reset dynamic control.2. the method as described in claim 1, it is characterised in that the step of business processing process described in the link control reset dynamic control accesses the quantity of new business includes：Following Bu Sudden (i) ~ (ii) is performed with a predetermined time interval repeatedly, until the signaling message quantity that message chi is arranged is less than overload recovery thresholding：(i) judge whether the signaling message quantity of the message queue recovers thresholding less than the overload, if the signaling message quantity of the message queue recovers thresholding less than the overload, Winding knows that the business processing processes recover normal condition；() performs following steps if the signaling message quantity of the message queue recovers thresholding higher than the overload：Judge whether the length of presently described message queue is more than the message queue length before the pre- timing gate of a lane interval, if the length of presently described message queue is more than the message queue length before the predetermined time interval, then judge whether the signaling message increase number of the message queue exceedes overload incremental thresholds, if the signaling message increase number of the message queue, which exceeded, wears incremental thresholds, the link control reset sends overload control message to the business processing process；If the message queue length that the length of presently described message queue is less than or equal to before the predetermined time interval, then judge that the signaling message of the message queue reduces whether number exceedes overload decrement thresholding, if the signaling message of the message queue, which reduces number, exceedes overload Xue amount thresholdings, the link control reset sends overload and releases message to the business processing process.3. the method as described in claim 1, it is characterised in that the quantity Bu Sudden of business processing process access new business also include described in the link control reset dynamic control： The business processing process receives the message from the link control reset, the access quantity of new business is decreased or increased into a predetermined quantity, and the calling for allowing access is evenly distributed in calling access statistical window.4. method as claimed in claim 2, it is characterised in that the step of notifying the business processing processes to recover normal condition further comprises：The business processing process is stepped up the access quantity of new business with a predetermined time interval.5. method as claimed in claim 2, it is characterised in that described _ quantity Bu Sudden of business processing process access new business described in link control reset dynamic control also include：The business processing process receives the message from the link control reset, if the message is premature beats message, then the business processing process reduces the access quantity of m new business, if the message releases message for overload, then the business processing process increases the access quantity of n new business, the m and n are natural number, and m>n.6. the method as described in claim 1, it is characterised in that overload of escaping starts the 50%-70% that thresholding accounts for the memory block size of the message P row using the current signaling message quantity of the message queue.7. method as claimed in claim 6, it is characterised in that overload of escaping start thresholding be set to the message queue current signaling message quantity account for the message queue memory block size 60%.8. method as claimed in claims 6 or 7, it is characterised in that the overload recovers thresholding and approaches and be less than the overload beginning thresholding.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2003/001136 WO2005064960A1 (en) | 2003-12-29 | 2003-12-29 | A common path signal link system overload control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1879436A true CN1879436A (en) | 2006-12-13 |
| CN100429948C CN100429948C (en) | 2008-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801108297A Expired - Lifetime CN100429948C (en) | 2003-12-29 | 2003-12-29 | A common path signal link system overload control method |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN100429948C (en) |
| AU (1) | AU2003296215A1 (en) |
| NO (1) | NO336310B1 (en) |
| WO (1) | WO2005064960A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101583148B (en) * | 2008-05-16 | 2012-07-25 | 华为技术有限公司 | Method and device for processing overloading of communication equipment |
| CN111641945A (en) * | 2020-04-24 | 2020-09-08 | 苏州华普物联科技有限公司 | Low-power-consumption self-organizing wireless sensor network communication method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102045654B (en) * | 2009-10-10 | 2015-01-28 | 上海中兴通讯技术有限责任公司 | Asynchronous socket communication method and mobile phone positioning system using same |
| CN104301939B (en) * | 2013-07-19 | 2018-03-23 | 中国移动通信集团广东有限公司 | A kind of control method, device and network side equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0155313B1 (en) * | 1995-08-21 | 1998-11-16 | 정선종 | Overload control method |
| JP3031327B2 (en) * | 1998-03-26 | 2000-04-10 | 日本電気株式会社 | Spread spectrum communication system and overload control method thereof |
| KR20020046627A (en) * | 2000-12-15 | 2002-06-21 | 박종섭 | Device and method for controling load mobile bts/bsc system |
| CN1459985A (en) * | 2002-05-21 | 2003-12-03 | 深圳市中兴通讯股份有限公司 | Radio job flow control method in GSM system |
-
2003
- 2003-12-29 AU AU2003296215A patent/AU2003296215A1/en not_active Abandoned
- 2003-12-29 WO PCT/CN2003/001136 patent/WO2005064960A1/en active Application Filing
- 2003-12-29 CN CNB2003801108297A patent/CN100429948C/en not_active Expired - Lifetime
-
2006
- 2006-07-28 NO NO20063480A patent/NO336310B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101583148B (en) * | 2008-05-16 | 2012-07-25 | 华为技术有限公司 | Method and device for processing overloading of communication equipment |
| CN111641945A (en) * | 2020-04-24 | 2020-09-08 | 苏州华普物联科技有限公司 | Low-power-consumption self-organizing wireless sensor network communication method |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003296215A1 (en) | 2005-07-21 |
| WO2005064960A1 (en) | 2005-07-14 |
| CN100429948C (en) | 2008-10-29 |
| NO336310B1 (en) | 2015-07-27 |
| NO20063480L (en) | 2006-07-28 |
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