CN101854292B - Method, device and system for preventing service router from overloading - Google Patents

Method, device and system for preventing service router from overloading Download PDF

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Publication number
CN101854292B
CN101854292B CN2009101064279A CN200910106427A CN101854292B CN 101854292 B CN101854292 B CN 101854292B CN 2009101064279 A CN2009101064279 A CN 2009101064279A CN 200910106427 A CN200910106427 A CN 200910106427A CN 101854292 B CN101854292 B CN 101854292B
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China
Prior art keywords
business
resource
router
business router
message
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CN101854292A (en
Inventor
陈珊
李彦
唐杰
马其锋
石晓旻
王环
常恒
刘见锋
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN2009101064279A priority Critical patent/CN101854292B/en
Priority to PCT/CN2009/076263 priority patent/WO2010111877A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
    • H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5009—Determining service level performance parameters or violations of service level contracts, e.g. violations of agreed response time or mean time between failures [MTBF]
    • H04L41/5012—Determining service level performance parameters or violations of service level contracts, e.g. violations of agreed response time or mean time between failures [MTBF] determining service availability, e.g. which services are available at a certain point in time

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention provides a method for preventing a service router from overloading, which comprises the following steps of: receiving a service request message by a first service router; determining that the service state corresponding to the service request message is a new service request, and sending a resource request message to a service router adjacent to the first service router if the first service router cannot process the service request message due to no resource per se; receiving a resource response message returned by the adjacent service router, which can process the service request message by using the resource, according to the resource request message; and sending a resource deploy message and the service request message to the adjacent service router which returns the resource response message, so that the adjacent service router which returns the resource response message can process the service request message. Therefore, the service router still can be prevented from overloading under the condition that the service volume of the first service router is increased suddenly or continuously; and local service routers can still be available so as to ensure convenient and high-efficiency service interaction.

Description

A kind of method, Apparatus and system of realizing preventing service router from overloading
Technical field
The present invention relates to communication field, relate in particular to a kind of method, Apparatus and system that prevents service router from overloading
Background technology
Business network is a stacking network that is independent of on the basic physics network, provide a series of functional entitys to be similar to Internet protocol (Internet Protocol, IP) network equipments such as the router of network layer and switch, make professional mutual convenient and efficient, for business of future generation provides a unification, safety, efficient cooperative working environment, interoperability between the enhancing business and collaborative are for the face the future operation layer operation of high speed development of operator provides efficient basic environment.
The kernel entity of business network is business router, be used for professional route and addressing, responsible enforcement end to end service quality (Quality of Service, QoS) ensures, is also undertaking simultaneously and is ensureing the mutual responsibility between the functional entity in the business network.
The unified addressing technology of business router service based network, for professional and resource routing function is provided alternately, business and resource interaction message are routed to suitable destination.Business router not only can be according to the route messages of the corresponding strategies intelligent decision-making of service supplier, can also realize service interaction, the control strategy function of intelligence, business router can provide higher level support for concrete service interaction, triggering control and combinations of services etc. according to relevant strategy.For example: when the user sent service request, business router can be according to the interface message of user's requested service, and function information finds suitable business to feed back to the user.Business router can with the transport layer devices communicating, guarantee end-to-end QoS.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus that prevents service router from overloading.
A kind of method that prevents service router from overloading comprises: the first business router receives business request information; Determine that service condition corresponding to described business request information is new service request, and self do not have resource to process described business request information that then the adjacent business router to the first business router sends resource request message; The resource response message that the adjacent business router that reception has resource to process described business request information returns according to described resource request message; Send resource deployment message and described business request information to the described adjacent business router that returns the resource response message, so that the described adjacent business router that returns the resource response message is processed described business request information.
A kind of method that prevents service router from overloading, comprise: the adjacent business router of the first business router receives the resource request message that the first business router sends, wherein, described resource request message is self not have resource to process described business request information at described the first business router, and when service condition corresponding to described business request information was new service request, described the first business router sent; Determine self to have resource to process business request information, send the resource response message to the first business router; Receive resource deployment message and business request information that the first business router sends, process described business request information.
A kind of business router comprises: the first request message processing unit, be used for receiving business request information, and judge when business corresponding to described business request information is new service request, send described business request information to the load balance process unit; The first Load Balance Unit is used for determining self whether have resource to process described business request information, sends the result who determines to the service deployment unit; The service deployment unit, send resource request message for the adjacent business router to described business router when described Load Balance Unit judgement does not have resource to process described business request information, receive the resource response message that the described adjacent business router that has resource to process described business request information returns according to described resource request message, send the described business request information of resource deployment message to the described adjacent business router that returns the resource response message, so that the described adjacent business router that returns the resource response message is processed described business request information.
A kind of business router, comprise: the second request message processing unit, be used for receiving the resource request message that the first business router sends, after sending the resource response message, receive resource deployment message and the business request information that described the first business router sends, process described business request information, wherein, described resource request message is self not have resource to process described business request information at described the first business router, and when service condition corresponding to described business request information was new service request, described the first business router sent;
Whether the second Load Balance Unit is used for determining self to have resource to process business request information, and sends the resource response message to described the first business router when having resource to process described business request information.
A kind of system of professional route comprises the first business router and at least one second business router, and wherein, described the second business router is the adjacent business router of described the first business router; The first business router, be used for receiving business request information, determine that service condition corresponding to described business request information is new service request, and self there is not resource to process described business request information, then the adjacent business router to the first business router sends resource request message, the resource response message that adjacent business router the second business router that reception has resource to process described business request information returns according to described resource request message sends resource deployment message and described business request information to described the second business router that returns the resource response message; The second business router is used for receiving the resource request message that the first business router sends, and determines self to have resource to process business request information, sends the resource response message to described the first business router; Receive resource deployment message and business request information that the first business router sends, process described business request information.
The embodiment of the invention provides the method and apparatus that prevents service router from overloading.The first business router determines self not have enough resources to process the business request information that receives, and then the adjacent business router to the first business router sends resource request message.Then when adjacent business router defines resource and processes this business request information, then return the resource response message to the first business router, after then the first business router receives the resource response message, send resource deployment message and business request information to the business router that returns the resource response message, process this service request by the business router that returns the resource response message.Like this so that the first business router traffic carrying capacity uprush or situation about continuing to increase under, can guarantee that still business router can not transship, and can not cause local business router unavailable, guarantee the convenient and efficient of service interaction.
Description of drawings
Fig. 1 is one one kinds of method flow diagrams that prevent service router from overloading of the embodiment of the invention;
Fig. 2 is 21 kinds of method flow diagrams that prevent service router from overloading of the embodiment of the invention;
Fig. 3 is a kind of method flow diagram that prevents service router from overloading of the embodiment of the invention three;
Fig. 4 is the method flow diagram that the another kind of the embodiment of the invention prevents service router from overloading;
Fig. 5 is the structural representation of a kind of business router of the embodiment of the invention;
Fig. 6 is the structural representation of the another kind of business router of the embodiment of the invention;
Fig. 7 is the structural representation of a kind of service routing system of the embodiment of the invention.
Embodiment
In order to make those skilled in the art person understand better the present invention, the present invention is described in further detail below in conjunction with accompanying drawing.
The method that the embodiment of the invention one a kind of prevents service router from overloading specifically comprises step as shown in Figure 1:
S101: the first business router receives business request information;
S102: determine that service condition corresponding to described business request information is new service request, and self do not have resource to process described business request information that then the adjacent business router to the first business router sends resource request message;
S103: the resource response message that the adjacent business router that receiving has resource to process described business request information returns according to described resource request message;
S104: send resource deployment message and described business request information to the described adjacent business router that returns the resource response message, so that the described adjacent business router that returns the resource response message is processed described business request information.
In the method that prevents service router from overloading of the embodiment of the invention one, the first business router determines self not have enough resources to process the business request information that receives, and then the adjacent business router to the first business router sends resource request message.When adjacent business router defines resource and processes this business request information, send resource deployment message and business request information to the business router that returns the resource response message, process this service request by the business router that returns the resource response message.Like this so that the first business router traffic carrying capacity uprush or situation about continuing to increase under, can guarantee that still the first business router can not transship, and can not cause local business router unavailable, guarantee the convenient and efficient of service interaction.
The method that the embodiment of the invention two a kind of prevents service router from overloading specifically comprises step as shown in Figure 2:
S201: the adjacent business router of the first business router receives the resource request message that the first business router sends, wherein, described resource request message is self not have resource to process described business request information at described the first business router, and when service condition corresponding to described business request information was new service request, described the first business router sent;
S202: determine self to have resource to process business request information, send the resource response message to the first business router;
S203: receive resource deployment message and business request information that the first business router sends, process described business request information.
In the method that prevents service router from overloading of the embodiment of the invention one, the first business router determines self not have enough resources to process the business request information that receives, and then the adjacent business router to the first business router sends resource request message.When then adjacent business router defines resource and processes this business request information, then return the resource response message to the first business router, receive resource deployment message and business request information that the first business router sends, process this service request by the adjacent business router business router that returns the resource response message.Like this so that the first business router traffic carrying capacity uprush or situation about continuing to increase under, can guarantee that still the first business router can not transship, and can not cause local business router unavailable, guarantee the convenient and efficient of service interaction.
The method that the embodiment of the invention three a kind of prevents service router from overloading specifically comprises step as shown in Figure 3:
S301: the service identification that comprises according to the business request information that receives, the first business router determines that service condition is new service request, determine not have resource to process this business request information, then the adjacent business router to the first business router sends resource request message;
Determining not have resource to process this business request information specifically comprises: the first business router determines that the service condition of described business is new service request, checks the value of self having used resource and obtains the value that business corresponding to described business request information need take resource; Determine that value and the described value sum of resource of self having used that business corresponding to described business request information need take resource are greater than or equal to predetermined threshold value.
The adjacent business router of the first business router is not to refer in particular to some business routers, and refers to except the first business router, with each adjacent business router of the first business router; That is to say, if the first business router has a plurality of adjacent business routers, the first business router is determining self do not have resource to process in this business request information situation, and the first business router sends resource request message to all adjacent business routers.
S302: after the adjacent business router of the first business router receives resource request message, define resource and process this business request information, return the resource response message to the first business router;
Concrete: after the adjacent business router of the first business router received resource request message, described resource request message comprised the value that described business need take resource, checks self to have used the value of resource; Determine that value and the described value sum of resource of self having used that described business need take resource are lower than predetermined threshold value, then determine self to have resource to process business request information, return the resource response message to the first business router.
S303: after the first business router receives described resource response message, send resource deployment message to the adjacent business router that returns the resource response message, process described business request information in order to return the adjacent business router of resource response message.
The embodiment of the invention 3 first business routers determine self not have enough resources to process the business request information that receives, and then the adjacent business router to the first business router sends resource request message.Then define resource by adjacent business router and process this service request, if being arranged, resource processes this service request, then return the resource response message to the first business router, after then the first business router receives the resource response message, send resource deployment message to the adjacent business router that returns the resource response message, process this service request by the adjacent business router that returns the resource response message.Like this so that the first business router traffic carrying capacity uprush or situation about continuing to increase under, can guarantee that still business router can not transship, and can not cause local business router unavailable, guarantee the convenient and efficient of service interaction.
Optionally: the embodiment of the invention three also further comprises: after the first business router receives described resource response message, also send business request information to the described adjacent business router that returns the resource response message, so that the second business router is processed described business request information, wherein, described business request information is incorporated in the described resource deployment message to the described adjacent business router that returns the resource response message sends, perhaps described business request information and described resource deployment message are sent to respectively the described adjacent business router that returns the resource response message.
Optionally: the resource response message comprises effective time, the adjacent business router that returns the resource response message this moment request message of managing business within effective time.
Optionally: after the first business router receives described resource response message, the transfer strategy also is set, follow-up when receiving new service request message, new service request message is forwarded to the described adjacent business router that returns the resource response message, is processed by the adjacent business router that returns the resource response message.Embodiment of the invention transfer strategy further comprises effective time, within effective time, when receiving new service request message, this new service request message is forwarded to the adjacent business router that returns the resource response message, wherein, new service request message is the message of the business request information identical services processed with the adjacent business router that returns the resource response message in the embodiment of the invention.
Optionally: after returning the adjacent business router transmission resource response message of resource response message, the adjacent business router that returns the resource response message further sends routing table update message to the adjacent business router of the first business router, routing table update message comprises the address of the adjacent business router that returns the resource response message, so that the adjacent business router of other of the first business router when receiving the new service request message that belongs to the first business router, sends to the described adjacent business router that returns the resource response message with this new service request message.The routing table update message of the embodiment of the invention can also comprise effective time, then other adjacent business routers of the first business router are receiving when belonging to the first business router new service request message, within effective time, this new service request message is sent to the described adjacent business router that returns the resource response message.Wherein, the address of the adjacent business router of described the first business router can be carried in the resource request message.
Optionally: after returning the adjacent business router transmission resource response message of resource response message, also to the operation list updating message that releases news, the described updating message that releases news can comprise the address of the adjacent business router that returns the resource response message, the address that can comprise the first business router that sends resource request message, the service identification that can comprise the unique identification business, the releasing news of corresponding described business so that operation list can upgrade in time after receiving the updating message that releases news.Follow-up the professional new service request message of tell is routed to the adjacent business router that returns the resource response message according to releasing news of recording of operation list by business router.The embodiment of the invention updating message that releases news can also further comprise effective time, and within effective time, the new service request message of described business is routed to the adjacent business router that returns the resource response message by business router; After losing efficacy effective time, the new service request message of described business is routed to the first business router by business router.
The method that the another kind of the embodiment of the invention realizes preventing service router from overloading as shown in Figure 4, business router A is the upper hop router of business router B, business router B is the business router of former processing business request information S1, can't process new business request information S1 because of resource limitation, need other business routers of request message to process this business.Business router A, C, D are the adjacent business routers of business router B.When business router A receives business request information requested service S1, according to routing table information business request information is sent to business router B, business router B judges this, if being new request message and business router B, business request information do not have enough resources to process this request message, then send resource request message to adjacent business router C and business router D, business router D is owing to there are enough resources to reply this resource request message, so business router B sends to business router D with the resource deployment message of above-mentioned professional S1, and business router A new business S1 routing table information more.Detailed process comprises:
S401: business router A receives the business request information that user or other business router send, this business request information request S1 that manages business, and this business request information comprises service identification.
S402: business router A searches the business router that this business belongs to according to service identification from operation list, and this business request information is sent to the business router of this business ownership.
Business router A searches the business router that professional S1 belongs to according to service identification from operation list be business router B, and according to the address that comprises business router B in the routing table information, above-mentioned business request information is sent to business router B.
S403: after business router B receives this business request information, from business request information, obtain this service identification; According to this service identification, determine that this business router B is exactly the home service router of business corresponding to this business request information, then obtain professional state according to service identification, and resolve this service condition, if this service condition is follow-up request message, then process this business request information, namely upgrade this request message service condition, such as being transformed into service condition 2 from service condition 1, and business request information is sent in this business; If this service condition is new request message, then inquiry is obtained professional S1 and need be taken resource, and checks that business router B self has used resource; If professional S1 need take resource and business router B self has used the resource sum to be greater than or equal to predetermined threshold value, then send resource request message to neighboring router.If professional S1 need take resource and business router B self has used the resource sum to be lower than predetermined threshold value, then process this business request information.
Suppose business router A address sip@192.168.1.1, business router B location sip@192.168.1.2; Professional S1 belongs to business router B, and traffic ID is 12345.Take memory usage as explanation resource operating position, illustrate that the resource operating position can have two kinds of expression modes: can use resources occupation rate, such as: the memory usage of business router has been 80%; Also can use the actual situation about taking of resource, such as: the internal memory of business router is occupied 1MB (megabyte, Mbytes).If business router A, B, C, D is identical business router, this dual mode can use, if business router A, B, C, the performance of D is different words, then can only be to explain with the actual situation about taking of resource, in embodiments of the present invention, suppose business router A, B, C, D is identical business router, and the resources occupation rate of hypothesis business router B is 80%, the resources occupation rate of business router C is 80%, the resources occupation rate of business router D is 20%, it is 10% that the need of professional S1 take resource, and each router setting threshold value is 90%.And suppose that it is new request message that business router B analyzes professional S1 request message, the resources occupation rate of professional S1 is 10%, and the resources occupation rate of business router B is 80%, and the router setting threshold value is 90%.Judge that business router B can not process this business request information.
S404: judge the S1 that to manage business according to above-mentioned business router B, then according to routing table information, obtain the adjacent business router C of business router B and the address of business router D, and send resource request message according to address above mentioned to adjacent business router C and business router D.Routing table information has been put down in writing the adjacent business router address that comprises business router.
This resource request message comprises essential option: type of message and business information, wherein business information can comprise service identification, services addresses, service condition and business need take the information such as resource, resource request message also comprises option: upper hop business router address and effective time, wherein the upper hop business router refers to, in business request information in routing procedure, be routed to the previous business router of current business router, for example: in the embodiment of the invention, when the business request information of routing service S1, business router A is exactly the upper hop business router of business router B.The concrete parametric description of resource request message is as follows:
Type of message: Oc-REQ, identifying this message is resource request message; Business information comprises service identification (identity, ID), and the service identification unique identification should business, can be random number, such as 12345; Services addresses is such as sip@weather.web.sina; Service condition, such as 0 expression initial condition, namely this business is a new service request; Business need take resource, such as 20, wherein represent internal memory occupation rate needs 20%, business need take resource and can comprise: the memory source occupancy, the cpu resource occupancy, need occupied bandwidth size etc., the embodiment of the invention just explains with the memory source occupancy, and the method for the processing of other resource occupation is similar with it.Upper hop router address: sip@192.168.1.1; Effective time: such as 60min, be 60 minutes new service request effective time that the adjacent business router of expression request is shared the S1 that manages business, and after 60 minutes effective time was full, business router B is the new service request for the treatment of S 1 again;
Table 1: resource request message field format
Type of message Business information The upper hop router address Effective time
Oc-REQ Essential Optional Optional
Oc-REQ Traffic ID: 12345 services addresses: sip@weather.web.sinaService condition: 0 business need take resource: 10 sip@192.168.1.1 60
S405: after business router C and business router D receive this resource request message, analyze respectively this resource request message, determined whether that resource processes this business.It is as follows wherein to analyze the resource request message operation:
1) the use resource of inspection own service router; For example: according to what suppose in the present embodiment, the resources occupation rate of business router C is 80%, and the resources occupation rate of business router D is 20%;
2) need of the professional S1 of input data take resource and self has used the resource sum, and compare with threshold value;
3) if the need of the professional S1 of input parameter take resource and self used the resource sum to be greater than or equal to threshold value, then abandon the S1 that manages business, abandon this resource request message;
For example: according to what suppose in the present embodiment, because it is 10% that professional S1 need take resource, then to have used resource and professional S1 need take the resource sum be 90% to business router C self, be 90% and business router C presets threshold value, then business router C can not process, abandon the S1 that manages business, abandon resource request message.
4) if the need of the professional S1 of input parameter take resource and self used the resource sum less than threshold value, then determine to manage business S1.
For example: according to what suppose in the present embodiment, because it is 10% that professional S1 need take resource, then business router D self has used resource and professional S1 need take the resource sum to be 30%, to be 90% and business router D presets threshold value, then the business router D S1 that can manage business.
This business request information if all neighboring routers of professional route B all can not be loaded is then returned error messages to business router A, and business router B can abandon this service request data bag.
S406: after business router D analyzes this resource request message, confirm to have enough resources this business request information of loading, then send the resource response message to business router B; The parametric description that wherein the resource response message is concrete is as follows:
Type of message: it is the resource response message that essential option, Oc-ACK are used for this message of expression; Business information, essential option comprises traffic ID, it is professional to be used for unique identification, can be random number, such as 12345; Services addresses is such as sip@weather.web.sina.Upper hop router address: option, for example sip@192.168.1.1; Effective time: option, 60min for example, be 60 minutes the effective time that expression business router D replys the new service request of sharing treatment S 1, after 60 minutes effective time was full, business router B is the new service request for the treatment of S 1 again.
Table 2: resource response message field format
Type of message Business information The upper hop router address Effective time
Oc-ACK Essential Optional Optional
Oc-ACK Traffic ID: 12345 services addresses: sip@weather.web.sina sip@192.168.1.1 60
S407: after business router B receives the resource response message of business router D, can also send routing update message to each adjacent business router of business router B, that is to say can be to business router A, C, D sends routing update message, the address information of carrying business router D in this routing table update message.The parametric description that wherein routing table update message is concrete is as follows:
Type of message: essential option, Oc-Update represent that this message is the resource response message; Alternate router address: essential option, for example sip@192.168.1.1; Business information, option comprises traffic ID, it is professional to be used for unique identification, can be random number, such as 12345; Services addresses, option is such as sip@weather.web.sina.Effective time: option, such as 60min, be 60 minutes the effective time that expression business router D replys the new service request setting of sharing the S1 that manages business, after 60 minutes effective time is full, again the manage business new service request of S1 of business router B, just the do not manage business new service request of S1 of business router D.
Table 3: routing table update message field form
Type of message Substitute the hop router address Business information Effective time
Oc-Update Essential Optional Optional
Oc-Update sip@192.168.1.2 Traffic ID: 12345 services addresses: sip@weather.web.sina 60
S408: after business router A receives routing table update message, upgrade routing table information, the routed path of new business S1 more is updated to business router D with the home service router of professional S1, and sets effective time; Just start timer after upgrading routing table information, just overtime address is deleted when being timed to.
S409: business router B sends the business request information of resource deployment message and above-mentioned requested service S1 to business router D, wherein resource deployment message comprises the business information of professional S1, the state information of professional S1 for example, services addresses sip@weather.web.sina, interface, the physical address information of agreement and business etc.The concrete parametric description of resource deployment message is as follows:
Type of message: Oc-Deploy; Effective time; Business information comprises: traffic ID, and unique identification is professional, can be random number, and such as 12345, services addresses is such as sip weather.web.sina; Service condition: 0, the expression initial condition.
Table 4: resource deployment message field form
Type of message Business information Effective time
Oc-Deploy Essential Optional
Oc-Deploy Traffic ID: 12345 services addresses: sip@weather.web.sinaService condition: the physical address of 0 business: 192.168.0.9 60
In another embodiment of the present invention, business router B can also only send resource deployment message to business router D, and this resource deployment message not only comprises the business information of professional S1, can also comprise the information of above-mentioned business request information.
At this moment, business router D receives the business request information of resource deployment message and above-mentioned requested service S1, after perhaps just receiving resource deployment message, process this business request information, and according to the address of professional S1 above-mentioned business request information is sent to professional S1.
S410: business router C, D receives the routing table update message that above-mentioned professional route B sends, upgrade routing table information, so that within effective time in (if routing update message comprises effective time), the former home service router of all new service request message is business router B, and originally sent to this new service request message of business router B by business router C, all will be transmitted to business router D, D processes by business router, and do not sent to business router B, perhaps the former home service router of all new service request message is business router B, and originally sent to this new service request message of business router B by business router D, need not to send this new service request message to business router B again, just self process this new service request message by business router D.
Certain S407 and S409, S410 does not have temporal sequencing.
If when this moment, business router A received the business request information of professional S1, business router A resolved this business request information;
1) if the new service request message of initial condition then is routed to business request information business router D in effective time in the scope; If effective time is expired, then still business request information is sent to business router B.
2) if not new business request information, then this business request information is sent to business router B.
In the embodiment of the invention, business router B determines self to have does not have enough resources to process the business request information that receives, if have, then show after business router B processes this business request information and can not transship, business router B processes this service request, if do not have, then shows after business router B processes this business request information to cause overload, then to business router C, D sends resource request message.Then judge C by business router, whether D has resource to process this service request, business router C does not have resource to process this service request, then the second business router abandons resource request message, business router D has resource to process this service request, then returns the resource response message to the first business router, after then business router B receives the resource response message, send resource deployment message to the second business router, process this service request by the second business router.Like this so that traffic carrying capacity uprush or situation about continuing to increase under, can guarantee that still business router can not transship, and can not cause local business router unavailable, guarantee the convenient and efficient of service interaction.
By resolving business request information and checking self available resources, judge business router possibility overload, if possible overload then sends resource request message to adjacent business router, so that adjacent business router is processed this business request information.Like this so that traffic carrying capacity uprush or situation about continuing to increase under, realize the dynamic process service router from overloading, guarantee the load balancing of business router and the convenient and efficient of service interaction.And the load balancing of business router realizes being finished by business router self, need not extra hardware spending.
In another embodiment of the present invention, among the above-mentioned S408, business router B can also arrange the transfer strategy after receiving the resource response message, namely business router B arranges an effective time, within this effective time, when if user or other business routers send the business request information of requested service S1, business router is resolved this service request for the service request of request S1, then directly this service request is transmitted to business router D.For example: be 60 minutes effective time, then in 60 minutes, business router B is follow-up when receiving traffic ID and being the business request information of 12345 professional S1, just directly this business request information is forwarded to business router D, and business router B is just as the transfer router of professional S1.Other processes together can be with reference to embodiment corresponding to Fig. 4.
In another embodiment of the present invention, among the above-mentioned S408, business router D can be to the operation list updating message that releases news after sending the resource response message, this updating message that releases news comprises the address of business router D, professional S1's releases news in the change operation list, make the home service router of professional S1 into business router D by business router B, and can further be set effective time, within effective time, the home service router of this business S1 is exactly to be business router D, if after expiring effective time, home service router that then still should business S1 should be professional route B.This moment, service requester carried out service request to professional S1 as long as within effective time, and according to the information in the operation list (home routers of professional S1 is business router D within effective time), this service request is routed to business router D.If after losing efficacy effective time, when service requester carried out service request to professional S1, according to the information in the operation list (home routers of professional S1 is business router B), this service request was routed to business router B.It is identical with embodiment corresponding to above-mentioned Fig. 2 that follow-up business router B or business router D carry out Business Processing to this service request.
In another embodiment of the present invention, among the step S406, among the S407, after business router D receives the resource response message of business router B, can also be according to the address of each adjacent business router of business router B, send routing update message to the adjacent business router of each of business router B, business router B sends to the address that can comprise each adjacent business router of business router B in the resource deployment message of business router D.The address information of carrying business router D in this routing table update message.The adjacent business router of business router B is business router A in embodiments of the present invention, business router C and business router D, after receiving above-mentioned routing update message, business router A and business router C upgrade routing table information, so that within effective time in (if routing update message comprises effective time), the former home service router of all new service request message is business router B, and originally sent to this new service request message of business router B by business router A or C, all will be transmitted to business router D, D processes by business router, and has not sent to business router B.Certainly business router D need not to send routing update message to self, just can revise the routing table information of self, within effective time in (if routing update message comprises effective time), the former home service router of all new service request message is professional route B, and originally sent to the new service request message of business router B by business router D, need not to send this new service request message to business router B again, and directly self process this new service request message by business router D.
A kind of business router of the embodiment of the invention specifically comprises the first request message processing unit 51, the first Load Balance Unit 52 and service deployment unit 53 as shown in Figure 5.Wherein, the first request message processing unit 51 is used for receiving business request information, judges when business corresponding to described business request information is new service request, and 52 send described business request information to the load balance process unit; The first Load Balance Unit 52 is used for determining self whether have resource to process described business request information that 53 send the result who determines to the service deployment unit; Service deployment unit 53 sends resource request message for the adjacent business router to described business router when described Load Balance Unit 52 judgements do not have resource to process described business request information, receive the resource response message that the described adjacent business router that has resource to process described business request information returns according to described resource request message, send the described business request information of resource deployment message to the described adjacent business router that returns the resource response message, so that the described adjacent business router that returns the resource response message is processed described business request information.
The first Load Balance Unit 52 determines that self not having resource to process described business request information specifically comprises: check the value of self having used resource and obtain the value that business corresponding to described business request information need take resource, determine that value and the described value sum of resource of self having used that business corresponding to described business request information need take resource are greater than or equal to predetermined threshold value, then self there is not resource to process described business request information, wherein, obtain the value that business corresponding to described business request information need take resource and can comprise following two kinds of situations, a kind of situation be relevant information that the business that described business request information is corresponding need take the value of resource be kept at business router from it, can search at self when needing and obtain, perhaps, another kind of situation is exactly that business corresponding to the described business request information relevant information that need take the value of resource is kept on the service log-on device, can acquire from professional Register at business router when needing.
Described business router can also comprise transfer strategy setting unit 54, transfer strategy setting unit 54 is used for after described service deployment unit receives described resource response message the transfer strategy being set, follow-up when receiving the new business request information that belongs to described business router, then according to described transfer strategy described new service request message is transmitted to the described adjacent business router that returns the resource response message.Described transfer strategy setting unit 54 can also arrange the effective time of transfer strategy, then transfer strategy setting unit 54 is transmitted to the described adjacent business router that returns the resource response message with described new service request message within the effective time of described transfer strategy.
Described business router can also comprise the first routing table updating block 55, be used for after described business router receives the resource response message, adjacent business router to described business router sends routing table update message, described routing table update message comprises the described address of returning the adjacent business router of resource response message, so that the adjacent business router of described business router when receiving the new service request message that belongs to described business router, sends to the described adjacent business router that returns the resource response message with described new service request message.Further, the first routing table updating block 55 can arrange the effective time of routing table update message, the adjacent business router of described business router sends to described new service request message the described adjacent business router that returns the resource response message within effective time when receiving the new service request message that belongs to described the first business router.
Further, described router comprises the updating block that releases news, after receiving described resource response message, to the operation list updating message that releases news, the described updating message that releases news can comprise the described address of returning the adjacent business router of resource response message.Further, the described updating block 64 that releases news can arrange the effective time of the updating message that releases news.
Wherein, the specific works process that business router embodiment of the present invention is related can with reference to the related content of above-mentioned each embodiment of the present invention, not repeat them here.
The embodiment of the invention is by resolving business request information and checking self available resources, judge business router possibility overload, if possible overload then sends resource request message to adjacent business router, so that adjacent business router is processed this business request information.Like this so that traffic carrying capacity uprush or situation about continuing to increase under, realize the dynamic process service router from overloading, guarantee the load balancing of business router and the convenient and efficient of service interaction.And the load balancing of business router realizes being finished by business router self, need not extra hardware spending.
The another kind of business router of the embodiment of the invention specifically comprises the second request message processing unit 61 and the second Load Balance Unit 62 as shown in Figure 6.The second request message processing unit 61 is used for receiving the resource request message that the first business router sends, receive resource deployment message and business request information that described other business routers send, process described business request information, wherein, described resource request message is self not have resource to process described business request information at described the first business router, and when service condition corresponding to described business request information is new service request, sent by described the first business router; Whether the second Load Balance Unit 62 is used for determining self to have resource to process business request information, and sends the resource response message to described the first business router when having money to process described business request information.
The second Load Balance Unit 62 determines that self not having resource to process described business request information specifically comprises: check the value of self having used resource and obtain the value that business corresponding to described business request information need take resource, determine that value and the described value sum of resource of self having used that business corresponding to described business request information need take resource are greater than or equal to predetermined threshold value, then self there is not resource to process described business request information, wherein, obtain the value that business corresponding to described business request information need take resource and can comprise following two kinds of situations, a kind of situation be relevant information that the business that described business request information is corresponding need take the value of resource be kept at business router from it, can search at self when needing and obtain, perhaps, another kind of situation is exactly that business corresponding to the described business request information relevant information that need take the value of resource is kept on the service log-on device, can acquire from professional Register at business router when needing.
Further, described router comprises secondary route table updating block 63, after sending the resource response message, secondary route table updating block 63 sends routing table update message to the adjacent business router of described the first business router, and the adjacent business router address of wherein said the first business router can be included in the described resource deployment message.Described routing table update message comprises the described address of returning the adjacent business router of resource response message, so that the adjacent business router of described the first business router when receiving the new service request that belongs to the first business router, sends to the described adjacent business router that returns the resource response message with described new service request message.Further, secondary route table updating block 63 is also to arrange the effective time of routing table, can be so that the adjacent business router of described the first business router be when receiving the new service request message that belongs to the first business router, within effective time, described new service request message is sent to the described adjacent business router that returns the resource response message.Further, secondary route table updating block 63 can also be after sending described resource response message, upper hop business router to described the first business router sends routing table update message, described routing table update message comprises the described address of returning the adjacent business router of resource response message, so that the upper hop business router of described the first business router when receiving the new service request message that belongs to the first business router, sends to the described adjacent business router that returns the resource response message with described new service request message.
Further, described router comprises the updating block 64 that releases news, after sending described resource response message, release news updating block 64 to the operation list updating message that releases news, and the described updating message that releases news can comprise the described address of returning the adjacent business router of resource response message.Further, the described updating block 64 that releases news can arrange the effective time of the updating message that releases news.
Wherein, the specific works process that the embodiment of the invention is related can with reference to the related content of above-mentioned each embodiment, not repeat them here.
The present invention is in the example, and the first business router determines self not have enough resources to process the business request information that receives, and then the adjacent business router to the first business router sends resource request message.When then adjacent business router defines resource and processes this business request information, then return the resource response message to the first business router, receive resource deployment message and business request information that the first business router sends, process this service request by the adjacent business router business router that returns the resource response message.Like this so that the first business router traffic carrying capacity uprush or situation about continuing to increase under, can guarantee that still the first business router can not transship, and can not cause local business router unavailable, guarantee the convenient and efficient of service interaction.
The system of a kind of professional route of the embodiment of the invention as shown in Figure 7, specifically comprises: first business router 71 and at least one second business router 72, wherein the second business router 72 is the adjacent business router of the first business router 71.
The first business router 71, be used for receiving business request information, determine that service condition corresponding to described business request information is new service request, and self there is not resource to process described business request information, then adjacent business router the second business router 72 to the first business router sends resource request message, the resource response message that adjacent business router the second business router 72 that reception has resource to process described business request information returns according to described resource request message sends resource deployment message and described business request information to described adjacent business router the second business router 72 that returns the resource response message.
The second business router 72, be used for receiving the resource request message that the first business router sends, determine self to have resource to process business request information, send the resource response message to described the first business router 71, receive resource deployment message and business request information that the first business router 71 sends, process described business request information.
The system of present embodiment also may further include down hop business router and operation list, and certainly, the associated description of system embodiment of the present invention can with reference to the associated description of above-mentioned business router embodiment, not repeat them here.
The embodiment of the invention provides in the system that prevents professional route, and the first business router determines self not have enough resources to process the business request information that receives, and then the adjacent business router to the first business router sends resource request message.Then when adjacent business router defines resource and processes this business request information, then return the resource response message to the first business router, after then the first business router receives the resource response message, send resource deployment message and business request information to the business router that returns the resource response message, process this service request by the business router that returns the resource response message.Like this so that the first business router traffic carrying capacity uprush or situation about continuing to increase under, can guarantee that still business router can not transship, and can not cause local business router unavailable, guarantee the convenient and efficient of service interaction.
By the description of above embodiment, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode in a lot of situation.Based on such understanding, the part that the technical scheme of the embodiment of the invention contributes to prior art in essence in other words can embody with the form of software product, this software product is stored in the storage medium, comprise that some instructions are with so that mobile device (can be mobile phone, personal computer, media player etc.) the described method of execution each embodiment of the present invention.Here alleged storage medium, as: ROM/RAM, disk, CD etc.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (19)

1. a method that prevents service router from overloading is characterized in that, comprising:
The first business router receives business request information;
Determine that service condition corresponding to described business request information is new service request, and self do not have resource to process described business request information that then the adjacent business router to the first business router sends resource request message;
The resource response message that the adjacent business router that reception has resource to process described business request information returns according to described resource request message;
Send resource deployment message and described business request information to the described adjacent business router that returns the resource response message, so that the described adjacent business router that returns the resource response message is processed described business request information.
2. method as claimed in claim 1 is characterized in that, describedly determines that service condition corresponding to described business request information is new service request, and self does not have resource to process described business request information specifically to comprise:
The first business router determines that the service condition of described business request information is new service request, checks the value of self having used resource and obtains the value that business corresponding to described business request information need take resource;
Determine that value and the described value sum of resource of self having used that business corresponding to described business request information need take resource are greater than or equal to predetermined threshold value.
3. method as claimed in claim 1 is characterized in that described resource deployment message also comprises effective time;
Described so that the described adjacent business router that returns the resource response message is processed described business request information, specifically comprise:
The described adjacent business router that returns the resource response message is processed described business request information within described effective time.
4. method as claimed in claim 1 is characterized in that, also comprises: describedly send resource deployment message and described business request information to the described adjacent business router that returns the resource response message, specifically comprise:
Described business request information is incorporated in the described resource deployment message to the described adjacent business router transmission of returning the resource response message, perhaps;
Described business request information and described resource deployment message are sent to respectively the described adjacent business router that returns the resource response message.
5. method as claimed in claim 1, it is characterized in that, also comprise: described the first business router arranges the transfer strategy after receiving described resource response message, follow-up when receiving the described new service request message that belongs to the first business router, then according to described transfer strategy described new service request message is transmitted to the described adjacent business router that returns the resource response message.
6. method as claimed in claim 5 is characterized in that described transfer strategy comprises effective time;
Describedly according to described transfer strategy described new service request message is forwarded to the described adjacent business router that returns the resource response message, specifically comprises:
Within the effective time of described transfer strategy, described new service request message is transmitted to the described adjacent business router that returns the resource response message.
7. method as claimed in claim 1 is characterized in that, also comprises:
After described the first business router receives the resource response message, adjacent business router to described the first business router sends routing table update message, described routing table update message comprises the described address of returning the adjacent business router of resource response message, so that the adjacent business router of described the first business router when receiving the new service request message that belongs to described the first business router, sends to the described adjacent business router that returns the resource response message with described new service request message.
8. method as claimed in claim 7 is characterized in that described routing table update message comprises effective time;
Described so that the adjacent business router of described the first business router is when receiving the described new service request message that belongs to the first business router, described new service request message is sent to the described adjacent business router that returns the resource response message, specifically comprises:
Described the first business router adjacent business router when receiving the new service request message that belongs to described the first business router, within effective time, described new service request message sent to the described adjacent business router that returns the resource response message.
9. a method that prevents service router from overloading is characterized in that, comprising:
The adjacent business router of the first business router receives the resource request message that the first business router sends, wherein, described resource request message is self not have resource to process business request information at described the first business router, and when service condition corresponding to described business request information is new service request, sent by described the first business router;
Determine self to have resource to process business request information, send the resource response message to the first business router;
Receive resource deployment message and business request information that the first business router sends, process described business request information.
10. method as claimed in claim 9 is characterized in that, the described adjacent business router that returns the resource response message defines resource and processes business request information and specifically comprise:
The described adjacent business router that returns the resource response message obtains the value that business corresponding to described resource request message need take resource, checks and self has used the value of resource;
Determine that value and the described value sum of resource of self having used that business corresponding to described resource request message need take resource are lower than predetermined threshold value.
11. method is characterized in that as claimed in claim 9, also comprises:
Described resource deployment message also comprises the adjacent business router address of described the first business router, the described adjacent business router of resource response message that returns is to the adjacent business router transmission routing table update message of described the first business router, described routing table update message comprises the described address of returning the adjacent business router of resource response message, so that the adjacent business router of described the first business router when receiving the new service request that belongs to the first business router, sends to the described adjacent business router that returns the resource response message with described new service request message.
12. method is characterized in that as claimed in claim 11, described routing table update message comprises effective time;
Described so that the adjacent business router of described the first business router is when receiving the described new service request message that belongs to the first business router, described new service request message is sent to the described adjacent business router that returns the resource response message, specifically comprises:
The adjacent business router of described the first business router is when receiving the described new service request message that belongs to the first business router, within effective time, described new service request message is sent to the described adjacent business router that returns the resource response message.
13. method is characterized in that as claimed in claim 9, also comprises:
After the described adjacent business router that returns the resource response message sent described resource response message, to the operation list updating message that releases news, the described updating message that releases news comprised the described address of returning the adjacent business router of resource response message.
14. method is characterized in that as claimed in claim 1, also comprises:
Described resource request message comprises the address of upper hop business router of described first business router of described business request information;
The described adjacent business router of resource response message that returns is after sending described resource response message, upper hop business router to described the first business router sends routing table update message, described routing table update message comprises the described address of returning the adjacent business router of resource response message, so that the upper hop business router of described the first business router when receiving the new service request message that belongs to the first business router, sends to the described adjacent business router that returns the resource response message with described new service request message.
15. a business router is characterized in that, comprising:
The first request message processing unit is used for receiving business request information, judges when business corresponding to described business request information is new service request, sends described business request information to the load balance process unit;
The first Load Balance Unit is used for determining self whether have resource to process described business request information, sends the result who determines to the service deployment unit;
The service deployment unit, send resource request message for the adjacent business router to described business router when described Load Balance Unit judgement does not have resource to process described business request information, receive the resource response message that the described adjacent business router that has resource to process described business request information returns according to described resource request message, send resource deployment message and described business request information to the described adjacent business router that returns the resource response message, so that the described adjacent business router that returns the resource response message is processed described business request information.
16. business router as claimed in claim 15 is characterized in that, also comprises:
Transfer strategy setting unit, be used for after described service deployment unit receives described resource response message, the transfer strategy being set, follow-up when receiving the new service request message that belongs to described business router, then according to described transfer strategy described new service request message is transmitted to the described adjacent business router that returns the resource response message.
17. such as claim 15 or 16 described business routers, it is characterized in that, also comprise:
The first routing table updating block, be used for after described business router receives the resource response message, adjacent business router to described business router sends routing table update message, described routing table update message comprises the described address of returning the adjacent business router of resource response message, so that the adjacent business router of described business router when receiving the described new service request message that belongs to described business router, sends to the described adjacent business router that returns the resource response message with described new service request message.
18. a business router is characterized in that, comprising:
The second request message processing unit, be used for receiving the resource request message that the first business router sends, after sending the resource response message, receive resource deployment message and the business request information that described the first business router sends, process described business request information, wherein, described resource request message is self not have resource to process described business request information at described the first business router, and when service condition corresponding to described business request information was new service request, described the first business router sent;
Whether the second Load Balance Unit is used for determining self to have resource to process business request information, and sends the resource response message to described the first business router when having resource to process described business request information.
19. the system of a professional route is characterized in that, comprises the first business router and at least one second business router, wherein, described the second business router is the adjacent business router of described the first business router;
The first business router, be used for receiving business request information, determine that service condition corresponding to described business request information is new service request, and self there is not resource to process described business request information, then the adjacent business router to the first business router sends resource request message, the resource response message that adjacent business router the second business router that reception has resource to process described business request information returns according to described resource request message sends resource deployment message and described business request information to described the second business router that returns the resource response message;
The second business router is used for receiving the resource request message that the first business router sends, and determines self to have resource to process business request information, sends the resource response message to described the first business router; Receive resource deployment message and business request information that the first business router sends, process described business request information.
CN2009101064279A 2009-03-31 2009-03-31 Method, device and system for preventing service router from overloading Expired - Fee Related CN101854292B (en)

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