CN103067887A - Load balancing method and device - Google Patents
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- CN103067887A CN103067887A CN201110325844XA CN201110325844A CN103067887A CN 103067887 A CN103067887 A CN 103067887A CN 201110325844X A CN201110325844X A CN 201110325844XA CN 201110325844 A CN201110325844 A CN 201110325844A CN 103067887 A CN103067887 A CN 103067887A
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Abstract
The invention discloses a load balancing method and a device. The load balancing method includes that a multimedia message gateway obtains load states of a plurality of multimedia message centers, and carries out load balancing of multimedia messages needing to be sent among the plurality of the multimedia message centers according to the load states. By means of the method and the device, efficiency of the load balancing is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method and device of equally loaded.
Background technology
Along with the developing rapidly of MMS (for example mobile phone newspaper and 12580 lives are reported), the MMS center MM7 mouth unbalanced situation of loading occurred: the load of some MMS center is too high, has surpassed the threshold value of normal range (NR), congested situation occurred; The load of some MMS center is lower, does not have the benefit of performance itself.Therefore need to monitor the load of MMS center, and can carry out corresponding load adjustment according to each the MMS center load condition that monitors.Thereby bring into play to greatest extent the ability of MMS center, reduce congested degree and the probability of appearance.
Present more common adjusting multimedia message central (MultiMedia Message Center, referred to as MMSC, being MMS center) method of load balancing is: at MMS Proxy-Relay (MultiMedia Service Gateway, referred to as MMSG, be MMS gateway) locate, detect the load condition of each MMS center that links to each other, according to the load condition of each MMS center, adjust the traffic volume that MMS gateway sends to each MMS center.When the load condition of MMS center is divided into underloading, can strengthen the load of MM7 mouth; When the load condition of MMS center when being normal, keep the load of MM7 mouth as far as possible; When the load condition of MMS center is in overload, then should reduce the load of MM7 mouth.MMSG can obtain the MMS center load condition by the service interaction interface of existing technology and MMSC.
But there is following shortcoming in this load balancing scheme: carry out buffer memory because this load balancing scheme is message during with peak traffic, when professional low ebb, discharge the message of buffer memory, it can only do the inhibition of transmitted traffic to the higher MMSC of load, and can not reduce in quantity the size of message to certain MMSC.Also can bring thus send duration may be elongated and affect that the user experiences, MMS gateway need to be safeguarded each MMS center state and calculate traffic volume so gateway is realized the shortcomings such as complexity.
Can only do the inhibition of transmitted traffic to the higher MMSC of load for the equally loaded scheme in the correlation technique, and can not reduce the transmission size of message of certain MMSC, cause the lower problem of load-balancing efficiency of MMSC, not yet propose at present effective solution.
Summary of the invention
Can only do to the higher MMSC of load the inhibition of transmitted traffic for the equally loaded scheme in the correlation technique, and can not reduce the transmission size of message of certain MMSC, the lower problem of load-balancing efficiency that causes MMSC, the invention provides a kind of method and device of equally loaded, to address this problem at least.
According to an aspect of the present invention, provide a kind of method of equally loaded, having comprised: MMS Proxy-Relay obtains the load condition of a plurality of multimedia message centrals; Described MMS Proxy-Relay carries out load balancing to the multimedia messages that needs send according to described load condition between described a plurality of multimedia message centrals.
Preferably, the load condition that MMS Proxy-Relay obtains multimedia message central comprises: described multimedia gateway receives information on load that described a plurality of multimedia message central feeds back respectively or obtains the information on load of described a plurality of multimedia message centrals from described ENUM DNS, and determines the load condition of the multimedia message central that this information on load is corresponding according to described information on load; And/or described multimedia gateway obtains the load condition of a plurality of multimedia message centrals by number and domain name system Enum DNS.
Preferably, described multimedia gateway comprises by the load condition that number and domain name system Enum DNS obtain a plurality of multimedia message centrals: described MMS Proxy-Relay is to the request of described Enum DNS transmission for information on load and/or the load condition of inquiring about described a plurality of multimedia message centrals; Described MMS Proxy-Relay receives Enum DNS feedback corresponding to the response of described request, and wherein, described response carries load condition and/or the information on load that comprises described a plurality of multimedia message centrals.
Preferably, described information on load comprise following one of at least: the ratio of Center Processing Unit Utilization, memory usage, professional use amount and allowance.
Preferably, the multimedia messages that needs sent according to described load condition of described MMS Proxy-Relay carries out load balancing and comprises between described a plurality of multimedia message centrals:
Described MMS Proxy-Relay obtains balance factor corresponding to described load condition, and described balance factor is the adjustment number of the Multimedia Message number that needs within the unit interval corresponding to the multimedia message central of described load condition to send;
Described MMS Proxy-Relay uses described balance factor to control described a plurality of multimedia message central needs the described Multimedia Message number that sends within the described unit interval.
According to a further aspect in the invention, provide a kind of device of equally loaded, having comprised: the first acquisition module is used for the load condition that MMS Proxy-Relay obtains a plurality of multimedia message centrals; Balance module is used for according to described load condition the multimedia messages that needs send being carried out load balancing between described a plurality of multimedia message centrals.
Preferably, the first acquisition module comprises: the first receiver module is used for receiving the information on load that described a plurality of multimedia message central feeds back respectively or the information on load that obtains described a plurality of multimedia message centrals from described ENUM DNS; Determination module is for the load condition of determining the multimedia message central that this information on load is corresponding according to described information on load; And/or the second acquisition module is for the load condition that obtains a plurality of multimedia message centrals by number and domain name system (Enum DNS).
Preferably, described the second acquisition module comprises: sending module is used for to the request of described Enum DNS transmission for information on load and/or the load condition of inquiring about described a plurality of multimedia message centrals; The second receiver module is used for receiving Enum DNS feedback corresponding to the response of described request, and wherein, described response carries load condition and/or the information on load that comprises described a plurality of multimedia message centrals.
Preferably, described balance module comprises: the 3rd acquisition module, be used for obtaining balance factor corresponding to described load condition, described balance factor needs the adjustment number of the Multimedia Message number that sends within the unit interval for the multimedia message central corresponding to described load condition; Control module was used for using described balance factor to control described a plurality of multimedia message central and needs the described Multimedia Message number that sends within the described unit interval.
By the present invention by the present invention, adopt MMS Proxy-Relay according to the load condition of multimedia message central to carrying out equally loaded between a plurality of multimedia message centrals, realized load balancing between the MMSC.The method has not only realized the load balancing of MMSC equipment in the network-wide basis, has improved the efficient of load balancing.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for the equally loaded of the embodiment of the invention;
Fig. 2 is the structured flowchart according to the device of the equally loaded of the embodiment of the invention;
Fig. 3 is the preferred structured flowchart according to the device of the equally loaded of the embodiment of the invention;
Fig. 4 is the schematic diagram according to load balancing between the MMSC of the embodiment of the invention;
Fig. 5 is the adjustment of load weight, the transmission flow figure according to the embodiment of the invention;
Fig. 6 is the transformation schematic diagram according to each network element after the load balancing scheme between the enforcement MMSC of the embodiment of the invention; And
Fig. 7 is the flow chart according to load-balancing method between the MMSC of the embodiment of the invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
In the correlation technique because buffer memory is carried out in the multimedia message that will send MMSC, cause load imbalance between the MMSC, be specially: 1) MMS center that belongs to of the multimedia message recipient that issues within a period of time of SP is inhomogeneous, cause MMS gateway that too much multimedia message is sent to some MMS center, thereby the inhomogeneous situation of MMS center load occurs; 2) user is different in the distribution of each MMS center, some MMS center user is many, some MMS center user is few, and when the multimedia message of finishing all users in the same time interval received, the MMS center that the user is many was compared the few MMS center processing load of user and wanted high.If the MMS center self-capacity is close, also the unbalanced phenomenon of loading can appear.The multimedia message that load-balancing method between the MMSC that the application provides, the method will send to a certain user can send to any one MMSC by MMSG, but not only mails to the MMSC of this user ascription area.By Multimedia Message equilibrium between different MMSC that will need to send, improved the efficient of load balancing between MMSC.
Present embodiment provides a kind of method of equally loaded, and Fig. 1 is the flow chart according to the method for the equally loaded of the embodiment of the invention, and as shown in Figure 1, the following steps S102 that the method comprises is to step S104.
Step S102, MMS Proxy-Relay obtain the load condition of a plurality of multimedia message centrals.
Step S104, MMS Proxy-Relay carries out load balancing according to load condition to the multimedia messages that needs send between a plurality of multimedia message centrals.
Pass through above-mentioned steps, obtain load information be used to the load condition that identifies a plurality of media informations center by MMS Proxy-Relay, use this load information that a plurality of multimedia message centrals are carried out the equally loaded operation, thereby realized load balancing between a plurality of MMSC, the load balancing scheme in the correlation technique that solved can only be done to the higher MMSC of load the inhibition of transmitted traffic, and can not reduce the transmission size of message of certain MMSC, cause the load can't be from truly reaching balanced problem, thereby improved the efficient of multimode body message center equilibrium.
As a more excellent execution mode, can adopt following dual mode to obtain the load information of multimedia message central at step S102.
Mode one: multimedia gateway receives information on load that a plurality of multimedia message centrals feed back respectively or obtains the information on load of a plurality of multimedia message centrals from ENUM DNS, and determines the load condition of the multimedia message central that this information on load is corresponding according to information on load.
Mode two: multimedia gateway obtains the load condition of a plurality of multimedia message centrals by number and domain name system Enum DNS.But MMS Proxy-Relay in the present embodiment selection mode one and mode two dual modes obtains load information, in the situation that MMSG self can't obtain, also has other selection mode, has increased the flexibility that equipment uses.
For aforesaid way two: multimedia gateway can obtain load information by DNS in the following way: state MMS Proxy-Relay sends the information on load and/or the load condition that are used for inquiring about request from a plurality of multimedia message centrals to Enum DNS; MMS Proxy-Relay receives Enum DNS feedback corresponding to the response of request, and wherein, response carries load condition and/or the information on load that comprises a plurality of multimedia message centrals.
As another more excellent execution mode, corresponding can realize in the following manner that with step S104 MMS Proxy-Relay carries out load balancing according to load condition to the multimedia messages that needs send between a plurality of multimedia message centrals: MMS Proxy-Relay obtains balance factor corresponding to load condition, and balance factor is the multimedia message central corresponding to load condition needs the Multimedia Message number that sends within the unit interval adjustment number; MMS Proxy-Relay uses balance factor to control a plurality of multimedia message centrals needs the Multimedia Message number that sends within the unit interval.In the preferred embodiment, the message number that multimedia message central was processed in the control multimedia message central unit interval, for example: the heavy multimedia message central of will loading needs Multimedia Message to be processed to be given to the light multimedia message central processing of all the other loads, overcome in the correlation technique and can only carry out buffer memory to Multimedia Message, cause Multimedia Message the problem of omitting or postponing to occur, thereby improved the efficient of load balancing.MMSC in the present embodiment possesses the multimedia message issuing of the non-attribution function to the user.This function quintessence is the WAP gateway (WAP gateway that all the other a plurality of MMSC are corresponding) that configuration connects other provinces in this MMSC.MMSC in the present embodiment and all network interconnection of WAP gateway (WAP gateway that all the other a plurality of MMSC are corresponding) just can mail to multimedia message other non-attributions user.
In the above-described embodiments, information on load comprise following one of at least: the ratio of Center Processing Unit Utilization, memory usage, professional use amount/allowance.
In another embodiment, also provide a kind of software of equally loaded, this software be used for to be carried out the technical scheme that above-described embodiment and preferred embodiment are described.
In another embodiment, also provide a kind of storage medium, stored the software of above-mentioned equally loaded in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
The embodiment of the invention also provides a kind of device of equally loaded, the device of this equally loaded can be used for realizing method and the preferred implementation of above-mentioned equally loaded, carried out explanation, and repeated no more, the module that relates in the device of the below to this equally loaded describes.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described system and method for following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also may and be conceived.
Fig. 2 is the structured flowchart according to the device of the equally loaded of the embodiment of the invention, as shown in Figure 2, this device comprises: the first acquisition module 22, and for the load information that obtains a plurality of multimedia message centrals, this load information is used for identifying the load condition of a plurality of multimedia message centrals; Balance module 24 is connected to the first acquisition module 22, and the load information that is used for getting access to according to acquisition module 22 carries out the equally loaded operation to a plurality of multimedia message centrals.
Fig. 3 is the preferred structured flowchart according to the device of the equally loaded of the embodiment of the invention, and as shown in Figure 3, the first acquisition module 22 comprises: the first receiver module 222, determination module 224, and/or the second acquisition module 226; The second acquisition module 226 comprises sending module 2262, the second receiver modules 2264; Balance module 24 comprises: the 3rd acquisition module 242 and control module 244, and the below is described in detail said structure:
The first acquisition module 22 comprises: the first receiver module 222 is used for receiving the information on load that a plurality of multimedia message centrals feed back respectively or the information on load that obtains a plurality of multimedia message centrals from ENUM DNS; Determination module 224 is connected to the first receiver module 222, is used for determining according to the information on load that the first receiver module 222 receives the load condition of the multimedia message central that this information on load is corresponding; And/or,
The second acquisition module 226 is for the load condition that obtains a plurality of multimedia message centrals by number and domain name system (Enum DNS).
The second acquisition module 226 comprises: sending module 2262 is used for to the request of Enum DNS transmission for information on load and/or the load condition of inquiring about a plurality of multimedia message centrals; The second receiver module 2264 is used for receiving Enum DNS feedback corresponding to the response of this request, and wherein, this response carries load condition and/or the information on load that comprises a plurality of multimedia message centrals.
Balance module 24 comprises: the 3rd acquisition module 242, be used for obtaining balance factor corresponding to load condition, and this balance factor needs the adjustment number of the Multimedia Message number that sends within the unit interval for the multimedia message central corresponding to this load condition; Control module 244, be used for using this balance factor to control a plurality of multimedia message centrals needs the Multimedia Message number that sends within the unit interval.
Preferred embodiment one
Present embodiment provides a kind of load-balancing method, Fig. 4 is the schematic diagram according to load balancing between the MMSC of the embodiment of the invention, as shown in Figure 4, in existing MMS flow process, simultaneously with MMSG and MMSC the network element of interacting message being arranged is that Enum DNS obtains the MMS center load, and with this information on load feedback by the inquiry respective feedback to MMS gateway in order to control the multimedia message traffic volume of MMS center.In the present embodiment, Enum DNS realizes the function that each MMSC load weight is judged, and weighted value is sent to MMSG.The latter according to the load weighted value of each MMSC adjust next constantly to each MMSC the multimedia message traffic volume.
Preferred embodiment two
Present embodiment provides a kind of load-balancing method, Fig. 5 be according to the load weight of the embodiment of the invention adjust, transmission flow figure, as shown in Figure 5, the method comprising the steps of S502 is to step S512.
Step S502:Enum DNS regularly sends the load information query messages to each MMSC of the whole network.Wherein, the above-mentioned regular time is configurable.
Step S504:Enum DNS according to built-in algorithms, extrapolates the load weighted value of each MMSC after receiving the load information of each MMSC feedback.
Step S506:MMSG regularly obtains the load weighted value of each MMSC to Enum DNS inquiry; Wherein, the above-mentioned regular time is configurable.
Step S508:SP (Service Provider) sends pocket transmission news, and message is submitted to MMSG;
Step S510:MMSG adjusts the quantity that sends message to each MMSC according to the last time from the load weighted value of the MMSC of Enum DNS acquisition.At this moment, MMSG sends according to the loading condition of each MMSC fully, and no longer considers service area and the service section of each MMSC;
Step S512:MMSC receives the forwarding of multimedia message rear line, and flow process finishes.
When execution in step S502 and step S504, can regularly carry out, with concrete SP message transmission flow needn't strict conformance.
Wherein, Enum DNS inquires about each MMSC load information and can realize by the interface message of newly-increased response between two network elements,, the definition of message name is without limits, present embodiment is defined as MM7_QUERY_STATUS message with message name, comprises request and responds two kinds of message.This interface message can be used for reference existing inquiry or notification message agreement and form between two network elements, concrete message field is determined when scheme implementation, but should be comprised CPU usage, memory usage at least, current treating capacity/processing capacity ratio is so that Enum DNS draws the load weighted value accordingly.
MMSG knows that the mode of each MMSC load weighted value can initiatively initiate query requests by MMSG, also can initiatively be sent by Enum DNS; Present embodiment is selected initiatively to initiate query requests by MMSG, but which kind of scheme no matter all needs the timed sending message flow.This interface message also can be used for reference existing query interface message between MMSG and Enum DNS, only needs change concrete message field wherein to get final product.
The functional module that needs to increase the functional module of MMSC load weighted value judgement newly among the Enum DNS and send load weighted value query response message to MMSG.
Preferred embodiment three
Present embodiment provides a kind of load-balancing method, and Fig. 6 is the transformation schematic diagram according to each network element after the load balancing scheme between the enforcement MMSC of the embodiment of the invention, as shown in Figure 6, implements the modification of each network element after the load balancing scheme between MMSC.
For MMSC, need to do following change: (1) needs the functional module of newly-increased response Enum DNS load weighted value relevant information query requests, this module possesses statistics and the reporting functions of server info and program information, and this Implement of Function Module gets up fairly simple; (2) MMSC can receive the whole network user multimedia message, comprises the user's of user's the multimedia message of local ownership and non-local ownership multimedia message.Simultaneously, MMSC need to possess the multimedia message issuing of the non-attribution function to the user.This function quintessence is the WAP gateway that configuration connects other provinces in this MMSC.Can dispose MMSC and all network interconnection of WAP gateway, just multimedia message can be mail to other non-attributions user.The interconnected mode of MMSC and WAP realizes in the prior art and MMSC and other WAP gateways interconnected can adopt.
For MMSG, need to do following change: query load information interface message between (1) increase and MMSC; (2) load weighted value interactive interface message between increase and MMSG can increase to Enum DNS and inquire about each MMSC load weighted value processing module; (3) increase load weighted value processing module.Need to prove, need to revise for the existing Service Processing Module of MMSG, the existing method of judging message ownership MMSC according to destination Mobile Station International ISDN Number of cancellation, but divide each MMSC of orientation to send the quantity of message according to the load weighted value of each MMSC, and in the configuration of the backstage of MMSG, the service area of cancellation MMSC and the concept of number section, each MMSC all can serve the whole network arbitrary section and number.
For Enum DNS, need to do following change: the query load information interface message between (1) increase and the MMSC; (2) MMSP message transmission module change sending strategy; (3) service area of cancellation MMSC and number section configuration; (4) the MMSC configuration can be served the whole network user.
Preferred embodiment four
Present embodiment provides a kind of load-balancing method, and Fig. 7 is the flow chart according to load-balancing method between the MMSC of the embodiment of the invention, and as shown in Figure 7, the method comprises the steps that S702 is to step S716.
Step S702:MM7_QUERY_STATUS.REQ inquiry MMS center 1 load condition.
Step S704:MM7_QUERY_STATUS.RES is known MMS center 1 load condition.
Step S706:MM7_QUERY_STATUS.REQ inquiry MMS center 2 load conditions.
Step S708:MM7_QUERY_STATUS.RES is known MMS center 2 load conditions.
Step S710:ENUM DNS carries out the weighted value adjustment.
In the present embodiment according to the MMSCCPU occupancy, memory usage, current treating capacity/processing capacity ratio carries out weighted value and judges that comprehensively this three is referred to as the load of MMSC.Present embodiment Enum DNS can judge that load weighted value, Enum DNS judge that the method for load weighted value is as follows by load condition granularity, load detection sensitivity, balance factor are one of any:
Judge according to the load condition granularity: the sensitivity of Enum DNS load adjustment depends on the segmentation granularity that MMS center reports load condition, if the uploaded state granularity is larger, then processes simple, but sensitive not, if the uploaded state granularity is less, then process sensitivity, but logic will be complicated.So compromise considers that suggestion is divided into 5 grades with uploaded state.Can under the prerequisite of not losing process sensitivity, simplify processing logic like this.
Judge according to the load detection sensitivity: the MMS center load condition detects number of times and state is judged, n is adopted in suggestion: 1 relation, because consider and have a plurality of multimedia message child nodes under the MMS center, the machine-processed complexity that at present MMS center realization collection synthetic load reports is larger, what report is the load of single child node, so detect number of times cross that I haven't seen you for ages and cause judging inaccurate, can be between [3,10] be inferior.
Judge according to balance factor: Enum DNS can adjust the MM7 load that sends to MMS center according to the MMS center load condition.Adjust the mode that strategy can adopt increase or the minimizing of minute ladder.The value of ladder is relevant with the capacity of MMS center.Consider that present Enum DNS is difficult to obtain the performance capability of MMS center, so the value of ladder value is less, can avoid like this for some load conditions is underloading, but the little MMS center of performance capability use large step values increase/when reducing, cause state repeatedly to switch, form fluctuation.
Enum DNS carries out the processing of load weighted value according to the load condition of MMS center feedback and the balance factor that presets like this, and finally submits to MMSG, and MMSG determines the message amount of issuing of each MMSC thus.Process is as follows:
(1) MMSC state feedback: the load condition that MMS center is returned is divided into 5 grades: unloaded [0,30), underloading [30,50), normal [50,80), and slight overload [80,90), severe overload [90,100].
Wherein, numeral is the MMS center CPU usage, memory usage, the ratio of professional use amount/allowance.
(2) balance factor presets: the Enum DNS preset equalization factor is as follows: gain factor a: configurable, the suggestion value is 10, and unit is bar/s.The message number that per second increases; Decay factor b: configurable, the suggestion value is 10, and unit is bar/s.The message number that per second reduces;
(3) balance policy is judged: Enum DNS balance policy is as follows: 1) load uses 2 times of gain factors when zero load; 2) load uses 1 times of gain factor when underloading; 3) load when normal, using progressively to approach increases.As (a/2, a/4); When 4) load slightly transships, use 1 times of decay factor; When 5) load severe is transshipped, use 2 times of decay factors.
Under extreme case, namely certain MMSC business machine of delaying can't provide service, and then the Enum DNS load weighted value that offers MMSG can be configured to 0, and then MMSG no longer sends message to this MMSC, has namely realized the disaster tolerance function.
Step S712:MMSG initiates the NAPTR inquiry to ENUM DNS.
Step S714: change the traffic volume of adjusting MMSC1 according to weight.
Step S716: change the traffic volume of adjusting MMSC1 according to weight.
By the above-mentioned steps of present embodiment, can fundamentally realize the load balancing between MMSC, but also indirectly realize the mutual disaster tolerance of each MMSC, kill two birds with one stone.
By above-described embodiment, a kind of method and device of equally loaded is provided, MMS gateway directly obtains the load information of each MMS center from other network equipments; MMS gateway is balanced to the MMSC of underload with the message of high load capacity MMSC, has realized the load balancing between MMSC, but not the load balancing in the single MMSC time period scope.This scheme not only is applicable to the MM7 interface, is equally applicable to other similar business models (the gateway-level system is to the whole network transaction processing system pocket transmission news, and possesses the equipment of the similar inquiring user ownership place such as Enumdns).The method has not only realized the load balancing of MMSC equipment in the network-wide basis, even load is from truly having reached equilibrium, but also has the function of MMSC disaster tolerance concurrently.The overall performance and the user that have improved system experience.Need to prove that these technique effects are not that above-mentioned all execution modes have, some technique effect is that some preferred implementation just can obtain.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby they can be stored in the storage device, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for an equally loaded is characterized in that, comprising:
MMS Proxy-Relay obtains the load condition of a plurality of multimedia message centrals;
Described MMS Proxy-Relay carries out load balancing to the multimedia messages that needs send according to described load condition between described a plurality of multimedia message centrals.
2. method according to claim 1 is characterized in that, the load condition that MMS Proxy-Relay obtains multimedia message central comprises:
Described multimedia gateway receives information on load that described a plurality of multimedia message central feeds back respectively or obtains the information on load of described a plurality of multimedia message centrals from number and domain name system ENUM DNS, and determines the load condition of the multimedia message central that this information on load is corresponding according to described information on load; And/or,
Described multimedia gateway obtains the load condition of a plurality of multimedia message centrals by described Enum DNS.
3. method according to claim 2 is characterized in that, described multimedia gateway comprises by the load condition that described Enum DNS obtains a plurality of multimedia message centrals:
Described MMS Proxy-Relay is to the request of described Enum DNS transmission for information on load and/or the load condition of inquiring about described a plurality of multimedia message centrals;
Described MMS Proxy-Relay receives described Enum DNS feedback corresponding to the response of described request, and wherein, described response carries load condition and/or the information on load that comprises described a plurality of multimedia message centrals.
4. according to claim 2 or 3 described methods, it is characterized in that, described information on load comprise following one of at least: the ratio of Center Processing Unit Utilization, memory usage, professional use amount and allowance.
5. each described method in 3 according to claim 1 is characterized in that the multimedia messages that described MMS Proxy-Relay sends needs according to described load condition carries out load balancing and comprises between described a plurality of multimedia message centrals:
Described MMS Proxy-Relay obtains balance factor corresponding to described load condition, and described balance factor is the adjustment number of the Multimedia Message number that needs within the unit interval corresponding to the multimedia message central of described load condition to send;
Described MMS Proxy-Relay uses described balance factor to control described a plurality of multimedia message central needs the described Multimedia Message number that sends within the described unit interval.
6. the device of an equally loaded is characterized in that, comprising:
The first acquisition module is used for the load condition that MMS Proxy-Relay obtains a plurality of multimedia message centrals;
Balance module is used for according to described load condition the multimedia messages that needs send being carried out load balancing between described a plurality of multimedia message centrals.
7. device according to claim 6 is characterized in that, described the first acquisition module comprises:
The first receiver module is used for receiving information on load that described a plurality of multimedia message central feeds back respectively or obtains the information on load of described a plurality of multimedia message centrals from number and domain name system ENUM DNS; Determination module is for the load condition of determining the multimedia message central that this information on load is corresponding according to described information on load; And/or,
The second acquisition module is for the load condition that obtains a plurality of multimedia message centrals by described Enum DNS.
8. device according to claim 7 is characterized in that, described the second acquisition module comprises:
Sending module is used for to the request of described Enum DNS transmission for information on load and/or the load condition of inquiring about described a plurality of multimedia message centrals;
The second receiver module is used for receiving described Enum DNS feedback corresponding to the response of described request, and wherein, described response carries load condition and/or the information on load that comprises described a plurality of multimedia message centrals.
9. each described device in 8 according to claim 6 is characterized in that described balance module comprises:
The 3rd acquisition module is used for obtaining balance factor corresponding to described load condition, and described balance factor needs the adjustment number of the Multimedia Message number that sends within the unit interval for the multimedia message central corresponding to described load condition;
Control module was used for using described balance factor to control described a plurality of multimedia message central and needs the described Multimedia Message number that sends within the described unit interval.
10. according to claim 7 or 8 described devices, it is characterized in that, described information on load comprise following one of at least: the ratio of Center Processing Unit Utilization, memory usage, professional use amount and allowance.
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| US20030003932A1 (en) * | 2000-02-01 | 2003-01-02 | Louis Corrigan | Messaging applications router |
| CN1859606A (en) * | 2005-07-24 | 2006-11-08 | 华为技术有限公司 | Method and its system for shunting short news |
| CN1960521A (en) * | 2006-11-30 | 2007-05-09 | 华为技术有限公司 | Method and system of increasing system capacity of multimedia message service |
| CN101437015A (en) * | 2007-11-15 | 2009-05-20 | 中兴通讯股份有限公司 | Message hierarchical control method for IP multimedia subsystem |
| CN101917679A (en) * | 2010-08-09 | 2010-12-15 | 华为技术有限公司 | Service shunting method, device and system |
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