CN101505260A - Message flow control method, system and apparatus - Google Patents
Message flow control method, system and apparatus Download PDFInfo
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- CN101505260A CN101505260A CNA2008100062750A CN200810006275A CN101505260A CN 101505260 A CN101505260 A CN 101505260A CN A2008100062750 A CNA2008100062750 A CN A2008100062750A CN 200810006275 A CN200810006275 A CN 200810006275A CN 101505260 A CN101505260 A CN 101505260A
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Abstract
The invention discloses a method for controlling message traffic, which comprises the following steps: receiving a message containing traffic control priority by a network element; and judging whether the network element is overloaded, and if so, carrying out traffic control on the message according to a pre-stored traffic control rule corresponding to the traffic control priority. The invention also discloses a system and a device for controlling the message traffic. With the method, a receiver network element or a sender network element can ensure that services with high priority have no loss through the traffic control priority when the processing capacity is overloaded or a large amount of interface messages are produced so as to reduce the discarding of important messages between the network elements; and the method further controls the traffic of the message from a sending source of the message by combining the control the traffic of the receiver network element according to the priority and the feedback control of the traffic by the sender network element, and greatly improves the effective service capacity and the shock resistance of the network elements.
Description
Technical field
The present invention relates to communication technical field, particularly the control method of message traffic, system and device.
Background technology
Flow control is the important technology in the network service, is used for guaranteeing that the processing resource of network network element is subjected to can not collapsing when excess traffic message is impacted.Flow control comes the control and treatment ability to be no more than overload threshold by the speed of control and treatment input.But, when the processing resource of network element can't satisfy a large amount of service message requests, network element can satisfy the normal handling demand by ignoring excessive service message request, thereby the message traffic that guarantees network element is in normal controlled state, can be applied between network element internal or the network element the control of message traffic.
Defined a kind of controlling mechanism of message traffic in the 3g mobile network.In the Access Network side, this mechanism is applicable to the processor overload of network element or sends the message capability overload; In core-network side, this mechanism is applicable to the processor overload of network element.Message traffic control method of the prior art is to judge that by recipient's network element whether the flow that receives message surpasses preset flow, directly abandoned ampacity when surpassing.
The inventor finds in practice, the flow control mechanism of existing message, when the flow of message transships, do not carry out the differentiation of message priority and directly abandoned ampacity, the important messages that causes easily being included in the ampacity abandons, therefore important service message may be comprised in these signaling messages that abandon, problems such as effective service ability of network element or service quality decline, later retransmission increase, service logic confusion may be caused.
Summary of the invention
The purpose of the embodiment of the invention be to give information control method, system and the device of flow make network element importance of identification message as early as possible when carrying out message traffic control, thereby reduce the loss of control class message and important service message.
For realizing the purpose of the embodiment of the invention, the embodiment of the invention provides following technical scheme:
A kind of control method of message traffic comprises:
Network element receives the message that comprises flow control priority;
Judge whether described network element transships, during overload, described message is carried out flow control according to the described flow control priority corresponding flow control law of storing in advance.
A kind of control method of message traffic comprises:
Reception comprises the feedback message of feedback level;
Traffic volume according to the described feedback level corresponding flow control law control messages of storing in advance.
A kind of control system of message traffic comprises: transmit leg network element and recipient's network element,
Described transmit leg network element comprises:
Transmitting element is used for sending the message that comprises flow control priority to recipient's network element;
Described recipient's network element comprises:
Receiving element is used to receive the described message that comprises flow control priority;
Judging unit is used to judge whether described recipient's network element transships;
Control unit is used for according to the described flow control priority corresponding flow control law of storing in advance described message being carried out flow control when described recipient's network element transships.
A kind of control device of message traffic comprises:
Receiving element is used to receive the message that comprises flow control priority;
Judging unit is used to judge whether overload;
Control unit is used for according to the described flow control priority corresponding flow control law of storing in advance described message being carried out flow control when overload.
A kind of control device of message traffic comprises:
Receiving element is used to receive the feedback message that comprises feedback level;
Performance element is according to the traffic volume of the described feedback level corresponding flow control law control messages of storing in advance.
The technical scheme that is provided by the above embodiment of the invention as seen, recipient's network element receives the message that comprises flow control priority in the embodiment of the invention, judge whether network element transships, when overload, described message is carried out flow control according to the described flow control priority corresponding flow control law of storing in advance; The transmit leg network element receives the feedback message that comprises feedback level, adjusts the traffic volume of message according to the feedback level corresponding flow control law of storage in advance.Use the embodiment of the invention, can make recipient's network element when disposal ability is transshipped or produced a large amount of interface message, the business that guarantees high priority by flow control priority is not suffered a loss, and has reduced the re-transmission of invalid message between network element and abandoning of important messages, has improved the reliability of network; And make the traffic volume of transmit leg network element according to the feedback adjusting message of recipient's network element, fundamentally solve the overload of recipient's network element.
Description of drawings
Fig. 1 is the first embodiment flow chart of the control method of message traffic of the present invention;
Fig. 2 is the second embodiment flow chart of the control method of message traffic of the present invention;
Fig. 3 is the 3rd embodiment flow chart of the control method of message traffic of the present invention;
Fig. 4 is the 4th embodiment flow chart of the control method of message traffic of the present invention;
Fig. 5 is the control applicating flow chart of message traffic of the present invention;
Fig. 6 is the embodiment block diagram of the control system of message traffic of the present invention;
Fig. 7 is the first embodiment block diagram of the control device of a kind of message traffic of the present invention;
Fig. 8 is the second embodiment block diagram of the control device of a kind of message traffic of the present invention;
Fig. 9 is the embodiment block diagram of the control device of the another kind of message traffic of the present invention.
Embodiment
The embodiment of the invention provides control method, system and the device of message traffic, network element receives the message that comprises flow control priority, judge whether network element transships, when overload, described message is carried out flow control according to the described flow control priority corresponding flow control law of storing in advance.
In the embodiment of the invention being controlled on the interface between the network element that carries out transmission of messages of message traffic realized that each network element provides two-layer flow control function, comprise message processing function and interface processing capacity.Wherein, message processing function is determined the corresponding flow control priority of message according to the type of message, and when being ready for sending message flow control priority is offered the interface processing capacity; The interface processing capacity is that message is stamped the flow control priority tag according to flow control priority, and recipient's network element is discerned this message and flow control priority thereof according to this flow control priority tag after receiving message.Carry out the classification flow control by message to different priorities, make network element that overload take place or when congested, can give the higher message of priority with processing resource allocation, and flow control feedback message by receiving terminal network element feedback, make the transmit leg network element reduce the message traffic volume, alleviate overload pressure.
In order to make those skilled in the art person understand the technical scheme that the embodiment of the invention provides better, the technical scheme that the embodiment of the invention provides is described in further detail below in conjunction with the drawings and specific embodiments.
The first embodiment flow chart of the control method of message traffic of the present invention as shown in Figure 1, this embodiment shows recipient's network element control flow in when overload:
Step 101: recipient's network element receives the message that comprises flow control priority that the transmit leg network element sends.
Wherein, transmit leg network element and recipient's network element can be the network elements that is arranged in Access Network or core net, for example, the transmit leg network element is SGSN (Serving GPRS Support Node, the GPRS serving GPRS support node), corresponding recipient's network element is GGSN (Gateway GPRSSupport Node, a GGSN); Perhaps the transmit leg network element is RNC (RadioNetwork Controller, a radio network controller), and corresponding recipient's network element is SGSN.
Wherein, flow control priority is according to the significance level of described message, and/or the processing cost is provided with.The value of message corresponding flow control priority is big more, and the flow control priority of described message is high more, and described recipient's network element is late more when carrying out flow control to abandon described message; The value of message corresponding flow control priority is more little, and the flow control priority of described message is low more, and described recipient's network element more early abandons described message when carrying out flow control.
Wherein, message comprises at least a in application layer messages, transport layer message, network layer message or the link layer message.
Further, can carry the flow control priority of message in the protocol header of preset protocol layer, the preset protocol layer is the protocol layer that is lower than this message place protocol layer here.
Step 102: when judging recipient's network element overload, message is carried out flow control according to the flow control priority corresponding flow control law of storing in advance.
Wherein, judge that the mode that recipient's network element transships comprises following a kind of at least: whether the flow of judging described message surpasses preset flow; Judge whether described network element CPU transships to the disposal ability of described message; Judge whether described network element transships to the storage capacity of described message.
Concrete, obtain the flow control priority in this message after recipient's network element parsing message, obtain and this flow control priority corresponding flow control law according to flow control priority, according to the flow control of this traffic control rule execution this message.
The second embodiment flow process of the control method of message traffic of the present invention as shown in Figure 2, when this embodiment shows in detail flow that recipient's network element receives message and surpasses preset flow, the process of message traffic being controlled according to the flow control priority that sets in advance:
Step 201: the corresponding relation of in network element, preserving flow control priority and flow control priority and traffic control rule.
Type of message is used to represent the operation flow under the message, for business with specific (special) requirements, such as emergence call service, advanced level user's call business etc., be dropped because of the network element overload if in the control procedure of message traffic, be used for the message of this class particular service, will lose the client who uses this particular service; For the control messages between network element, though irrelevant with operation flow, if this class control messages abandons because of the network element overload, will cause network paralysis; For the general service that does not have specific (special) requirements, abandoned the forfeiture that also can not cause business function by network element even in the control procedure of message traffic, be used for the message of this class general service.
Therefore, the type and the corresponding flow control priority of these message can be set according to the significance level of message.When the flow control priority of message is set, need classify to message, can be to the classification of message by process analysis or The Realization of Simulation.
With the message of transmitting between the network element in the core net is example, and these message are followed successively by network control class message, switch message, conversation message, detecting periodically message according to significance level order from high to low.The significance level of above-mentioned message can represent that the flow control priority of the corresponding type of message of the big more expression of this double-digit numeral is high more with double figures.
Further, need to consider the processing cost of message, the processing cost of message refers to that message is normally processed and produces the processing resource that effective output need consume, with the message of transmitting in the operation flow is example, the message of transmitting between initial network element is owing to also have a lot of follow-uply just can finish alternately from producing effectively professional output, therefore to the processing cost maximum of the message of this initial transmission; And some message itself need network element to carry out complicated calculating operation, and are then also higher relatively to the processing cost of this class message.In the typical operation of typical operation flow, professional cancellation can make number of users reduce, and it is lower therefore to handle cost, and the processing cost of business modification is higher than the processing cost of professional cancellation, and therefore service request handles the cost maximum owing to can increase number of users.
With the conversation message is example, and the message of the further refinement of conversation class message is followed successively by from high to low according to handling cost, switches message, intra-system handover message, radio bearer RAB message, tracking message between system.The processing cost of above-mentioned message can represent that also the flow control priority of the corresponding message of the big more expression of this double-digit numeral is high more with two digits.
Therefore, can represent with four figures according to the significance level of message and/or the flow control priority of processing cost setting, wherein, the front two numerical table shows type of message, the significance level of corresponding message, back double figures is represented the processing cost of message, and for dissimilar message, the big more then corresponding flow control of the value of its flow control priority priority is high more.The value of for example, flow control priority is higher than the priority of the value of flow control priority for " 03 " for the priority of " 15 "; For according to the message of handling the same kind that cost divides, its big more then corresponding flow control of value priority of handling cost is high more, and for example, the value of handling cost is the priority of " 03 " for the priority of " 06 " is higher than the value of handling cost.The protection that the message that flow control priority is high more is subjected to when flow control is big more, then late more abandoning when network element transships; The protection that the message that flow control priority is low more is subjected to when flow control is more little, then more early abandons when network element transships.
After having determined the flow control priority of message, to further preserve the corresponding relation of each flow control priority and traffic control rule, so that when recipient's network element transships, can obtain the corresponding flow control law according to flow control priority and carry out flow control.The traffic control rule of supposing definition is as follows: for the network control class message of flow control priority for " 15 ", under any recipient's network element overload or congested situation, all can not abandon, and recipient's network element should keep a part all the time and handles the message that resource is used to handle this priority; For flow control priority is the critical data message of " 14 ", because such information drop-out brings bigger infringement can for network and user, therefore recipient's network element can abandon message from low to high according to flow control priority, for example, abandon flow control priority successively and be " 01 ", " 02 " ... the message of " 13 ", when having abandoned flow control priority for after the message of " 13 ", if recipient's network element still transships or is congested, just the message of flow control priority for " 14 " is abandoned, can not collapse with the assurance system; Obtain message for flow control priority for the state of " 02 ", because being aperiodicity, such message surveys class message, such information drop-out influences to some extent to the service management ability of network element, but the not directly current operation of traffic affecting, therefore can be arranged on the network element overload when light, preferentially abandon this type of message; For flow control priority is the detecting periodically message of " 01 ", because such message is only effective at short notice, even current time abandons, can produce again after after a while, so this class message can abandon when network element carries out flow control the earliest.
Certainly the traffic control rule of message is not limited to described in the above-mentioned example, can be provided with in advance according to the practical situations of business and preserve.
Step 202: the transmit leg network element writes the flow control priority of this message in the message header of message to be sent.
The transmit leg network element will be in message header the flow control priority of identification message so that recipient's network element carries out flow control according to the flow control priority of identification to such message.The transmit leg network element can be with the flow control priority tag in the message header of application layer, transport layer, network layer or link layer.
For above-mentioned interlayer mapping message, flow control priority is followed successively by application layer messages, transport layer message, network layer message and link layer message from low to high.Make the recipient realize flow control as early as possible, will on the protocol header of the low protocol layer of message packets, control priority by this message traffic of sign, this is to obtain flow control priority because recipient's network element is resolved the link layer protocol head at first after receiving message packets, therefore effective flow control to be realized as early as possible, flow control priority will be in the protocol header of chain circuit message, identified.Flow control requirement according to above-mentioned recipient's network element, the transmit leg network element is formed the application layer data bag with message payload earlier according to application layer protocol, identified the flow control priority of message in the application protocol head of this packet, then the application layer data bag is formed the transport layer data bag according to transport layer protocol, also identified the flow control priority of message in the transmission protocol header of this packet, packing in the manner described above, identified the flow control priority of this message in the outermost layer link protocol head of final link layer data bag, in outermost layer link protocol head, be followed successively by network protocol header, transmission protocol header, application protocol head and message payload, finally the flow control priority of equal identification message in the protocol header of institute's protocols having.
Step 203: recipient's network element receives the message that comprises flow control priority that the transmit leg network element sends.
Step 204: whether the flow of judging message surpasses preset flow, if then execution in step 205; Otherwise, execution in step 208.
According to the receiving ability of recipient's network element, preestablish the maximum stream flow that this recipient's network element can receive message, when the flow of message surpasses this default maximum stream flow, recipient's network element overload is described.
Step 205: obtain the flow control priority in this message after recipient's network element parsing message.
Step 206: obtain and this flow control priority corresponding flow control law according to flow control priority.
Step 207:, finish current flow process according to the flow control of this traffic control rule execution to message.
Step 208: recipient's network element carries out respective handling to the message that receives, and finishes current flow process.
The 3rd embodiment flow process of the control method of message traffic of the present invention as shown in Figure 3, the flow process that this embodiment shows the transmit leg network element when carrying out FEEDBACK CONTROL:
Step 301: receive the feedback message that comprises feedback level.
Step 302: the traffic volume of adjusting message according to the feedback level corresponding flow control law of storage in advance.
The 4th embodiment flow process of the control method of message traffic of the present invention as shown in Figure 4, this embodiment shows the detailed process that feedback message that the transmit leg network element sends according to recipient's network element is adjusted the message traffic volume:
Step 401: in the transmit leg network element, preserve the corresponding relation of feedback level and type of message in advance, and the corresponding relation of feedback level and traffic control rule.
Step 402: recipient's network element receives the message that comprises flow control priority that the transmit leg network element sends.
Step 403: whether the flow of judging message surpasses preset flow, if then execution in step 404; Otherwise, execution in step 408.
Step 404: recipient's network element carries out flow control according to the flow control priority corresponding flow control law of storage in advance to message.
Step 405: recipient's network element sends the feedback message that comprises feedback level to the transmit leg network element.
Wherein, feedback level identification feedback degree, feedback level is high more, illustrates that the overload of recipient's network element or congestion situation are serious more, therefore requires recipient's network element to reduce the transmission density of the message corresponding with this feedback level significantly; In like manner, feedback level is low more, illustrates that the overload of recipient's network element or congestion situation are light more, so the suitable transmission density that reduces the message corresponding with this feedback level of transmit leg network element gets final product.Feedback level can define with reference to flow control priority, for example corresponds respectively to flow control priority " 15 " to flow control priority " 00 ".
In above-mentioned feedback message, further include transmit leg network element ID and recipient's network element ID.Wherein, recipient's network element ID comprises the network address of this recipient's network element, be used to make this transmit leg network element after receiving feedback message, can know that overload has taken place which network element according to this sign, so that targetedly this recipient's network element is carried out flow control according to the sign of recipient's network element; The transmit leg network element ID comprises the network address of this transmit leg network element, the feedback message that is used to make recipient's network element to send can accurately send to the transmit leg network element according to this address, and makes the transmit leg network element discern this feedback message according to this network address whether to issue this transmit leg network element.It is pointed out that because the importance of feedback message the rank of flow control priority that therefore this type of message can be set is the highest, is dropped when the transmit leg network element transships to prevent the feedback message that recipient's network element sends.
Step 406: the transmit leg network element reads the feedback level in the feedback message that receives.
Step 407: the transmit leg network element finishes current flow process according to the traffic volume of feedback level reduction message.
After the transmit leg network element receives feedback message, obtain type of message corresponding and traffic control rule, reduce the traffic volume of the message corresponding according to traffic control rule with this feedback level with this feedback level according to the value of the feedback level that reads.When supposing recipient's network element overload, abandon the message that flow control priority is not more than " 03 " and can alleviate current overload, then the feedback level of recipient's network element in the feedback message that the transmit leg network element sends is " 03 ", after the transmit leg network element receives this feedback message, obtain the message corresponding and be the message of flow control priority for " 03 " with this feedback level " 03 ", then more early abandon because the flow control priority of message is more little, therefore the corresponding reduction flow control of transmit leg network element priority is no more than the traffic volume of the message of " 03 ", promptly reduce flow control priority and be " 00 ", " 01 ", the traffic volume of the message of " 02 " and " 03 " can be according to the traffic volume of flow control priority order minimizing message from low to high when reducing traffic volume.
The transmit leg network element can be provided with timer to the message that needs carry out FEEDBACK CONTROL, and this timer comprises " turning down " and " recovery " two stages.First cycle at timer is " turning down " stage, and the transmit leg network element gradually reduces the message that sends to recipient's network element; After first period expires of timer, enter second period and be " recovery " stage, the transmit leg network element progressively increases the message that sends to recipient's network element, and the overload situations end up to recipient's network element recovers normal business processing flow between network element.
Step 408: recipient's network element carries out respective handling to the message that receives, and finishes current flow process.
In conjunction with the application flow of a kind of message traffic of the embodiment of the control method of the invention described above message traffic as shown in Figure 5, the transmit leg network element among this embodiment is SGSN, and recipient's network element is GGSN:
Step 501:SGSN sends the message that comprises flow control priority to GGSN.Suppose that message comprises that flow control priority is that 14 critical data message and flow control priority are that 02 state obtains message.
Step 502: the flow of judging current message surpasses preset flow.
Step 503:GGSN parsing critical data message and state obtain two kinds of message corresponding flow control priority 1s 4 and 02 respectively after obtaining message, and the control law of two kinds of flow control priority.
Step 504:GGSN obtains message according to the size of flow control priority to critical data message and state and carries out flow control.Definition according to flow control priority and traffic control rule, the critical data information drop-out brings bigger infringement can for network and user, and state obtains message is acyclic detection class message, it loses the operation that can directly not influence current business, thus GGSN the time at first to abandon flow control priority be that 02 state obtains message according to the overload that is defined in of priority.After the state of having abandoned obtains message,, then critical data message is not carried out flow control if the overload situations of GGSN is alleviated; If GGSN still transships, then select to abandon this critical data message after the state of having abandoned obtains message.
Step 505: suppose that GGSN just can alleviate overload situations after the flow control priority state for " 02 " obtains message having abandoned, then the feedback level that comprises in the feedback message that SGSN sends of GGSN also should be " 02 " mutually, promptly notify SGSN to reduce the traffic volume of flow control priority, and comprise the network address information of this SGSN and GGSN in this feedback message for the message of " 00 ", " 01 ", " 02 ".
After step 506:SGSN receives feedback message, read feedback level " 02 " wherein, and obtain the message corresponding with this feedback level, be the type of message that flow control priority is respectively " 00 ", " 01 ", " 02 ", and can reduce the traffic volume of the message corresponding according to flow control priority order from low to high with above-mentioned type of message.
Need to prove, if SGSN is not when also carrying out the traffic volume that reduces the corresponding message of above-mentioned feedback level " 02 ", if receive new feedback message, and suppose that the feedback level that comprises in this feedback message is " 08 ", then SGSN postpones adjusting the corresponding message of feedback level " 02 ", because feedback level " 08 " is greater than feedback level " 02 ", illustrate that the current overload situations of GGSN increases the weight of, therefore SGSN is according to the feedback message of newly receiving, can corresponding minimizing flow control priority less than the traffic volume of the message of " 08 ".
Corresponding with the embodiment of the control method of message traffic of the present invention, the present invention also provides the embodiment of the control system of message traffic.
The embodiment block diagram of the control system of message traffic of the present invention is as shown in Figure 6:
This system comprises: transmit leg network element 610 and recipient's network element 620.
Wherein, transmit leg network element 610 comprises transmitting element 611, is used for sending the message that comprises flow control priority to recipient's network element 620;
Recipient's network element 620 comprises receiving element 621, is used to receive the described message that comprises flow control priority; Judging unit 622 is used to judge whether described recipient's network element transships; Control unit 623 is used for according to the described flow control priority corresponding flow control law of storing in advance described message being carried out flow control when overload.
Further, recipient's network element 620 also comprises memory cell, is used for preserving in advance the corresponding relation of flow control priority and described flow control priority and traffic control rule; The transmit leg network element comprises memory cell, is used for preserving in advance the corresponding relation of feedback level and type of message, and the corresponding relation of described feedback level and traffic control rule.
Further, recipient's network element 620 also comprises transmitting element, is used for sending feedback message to the transmit leg network element, comprises in the described feedback message to be used for feedback level that the traffic volume of described message is controlled; Transmit leg network element 610 also comprises receiving element, is used to receive the described feedback message that comprises feedback level; Performance element is according to the traffic volume of the described feedback level corresponding flow control law control messages of storing in advance.
Use the embodiment of the invention described above system, suppose that the transmit leg network element is SGSN, recipient's network element is GGSN, in the memory cell of GGSN, preserved type of message in advance, each type of message corresponding flow control priority and described flow control priority corresponding flow control law, the transmitting element of SGSN is to the message of GGSN transmitted traffic control priority, after the receiving element of GGSN receives this message, whether transship by judgment unit judges recipient network element earlier, if overload, the flow control priority corresponding flow control law of being preserved in advance according to memory cell by control unit carries out flow control to this message again.After GGSN carries out flow control to message, send feedback message by transmitting element to SGSN, comprise feedback level in the feedback message, after SGSN receives feedback message, read the feedback level in the feedback message, by the traffic volume of performance element,, realized message traffic being carried out FEEDBACK CONTROL then from message sender by message traffic being controlled at SGSN according to the feedback level corresponding flow control law control messages of storing in advance.
Corresponding with the embodiment of the control method of message traffic of the present invention and control system, the present invention also provides the control device embodiment of message traffic.
The first embodiment block diagram of the control device of a kind of message traffic of the present invention is as shown in Figure 7:
This device comprises: receiving element 621, judging unit 622 and control unit 623.
Wherein, receiving element 621 is used to receive the message that comprises flow control priority; Judging unit 622 is used to judge whether overload; Control unit 623 is used for according to the described flow control priority corresponding flow control law of storing in advance described message being carried out flow control when overload.
The second embodiment block diagram of the control device of a kind of message traffic of the present invention is as shown in Figure 8:
This device comprises: memory cell 810, receiving element 621, judging unit 622, control unit 623 and transmitting element 850.
Wherein, memory cell 810 is used for preserving in advance the corresponding relation of flow control priority and described flow control priority and traffic control rule; Receiving element 621 is used to receive the message that comprises flow control priority; Judging unit 622 is used to judge whether overload; Control unit 623 is used for according to the described flow control priority corresponding flow control law of storing in advance described message being carried out flow control when overload; Transmitting element 850 is used to send feedback message, comprises in the described feedback message to be used for feedback level that the traffic volume of described message is controlled.
Wherein, control unit 623 comprises resolution unit 841, is used for resolving the flow control priority of obtaining this message after the described message; Acquiring unit 842 is used for obtaining and this flow control priority corresponding flow control law according to described flow control priority; Performance element 843 is used for according to the flow control of described traffic control rule execution to described message.
Use the embodiment of the control device of a kind of message traffic of the invention described above, this device is arranged in recipient's network element, and for example when the transmit leg network element was SGSN, this device was arranged in the GGSN as recipient's network element.Preserved the corresponding relation of flow control priority and described flow control priority and traffic control rule in the memory cell in this device in advance, receive the message that comprises flow control priority of SGSN transmission when receiving element after, whether transship by judgment unit judges recipient network element earlier, if overload, the flow control priority corresponding flow control law of being preserved in advance according to memory cell by control unit carries out flow control to this message again, after control unit carries out flow control to message, send feedback message by transmitting element to SGSN, comprise feedback level in the feedback message.
The embodiment block diagram of the control device of the another kind of message traffic of the present invention is as shown in Figure 9:
This device comprises: receiving element 910 and performance element 920.
Wherein, receiving element 910 is used to receive the feedback message that comprises feedback level; Performance element 920 is used for the traffic volume according to the described feedback level corresponding flow control law control messages of storing in advance.
Further, this device also comprises memory cell, is used for preserving in advance type of message, and the corresponding relation of described type of message and traffic control rule of feedback level, each feedback level correspondence.
Further, performance element 920 also comprises reading unit, is used for reading the value of described feedback message feedback level; Acquiring unit is used for obtaining type of message corresponding with this feedback level and traffic control rule according to the value of described feedback level; Control unit is used for controlling according to described traffic control rule the traffic volume of described message.
Use the embodiment of the control device of the another kind of message traffic of the invention described above, this device is arranged in the transmit leg network element, and for example this transmit leg network element is SGSN, and the recipient network element corresponding with this transmit leg network element is GGSN.Memory cell in this device has been preserved type of message, and the corresponding relation of described type of message and traffic control rule of feedback level, each feedback level correspondence in advance, behind the feedback message that receives the GGSN transmission, read feedback level in the feedback message by reading unit, adjust the traffic volume of message then according to the feedback level corresponding flow control law of storage in advance by performance element, by in SGSN, message traffic being controlled, realized message traffic being carried out FEEDBACK CONTROL from the transmit leg of message.
Description by the embodiment of the invention as can be known, no matter use the embodiment of the invention is recipient's network element or transmit leg network element, in the time of can both or producing a large amount of interface message in the disposal ability overload, the business that guarantees high priority by flow control priority is not suffered a loss, reduce the re-transmission of invalid message between network element and abandoning of important messages, improved the reliability of network; By recipient's network element is controlled flow according to priority, and the transmit leg network element combines to the FEEDBACK CONTROL of flow, further the flow of message is controlled, greatly improved the effective service ability and the impact resistance of network element from the transmission source of message.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program comprises the steps: to receive the message that comprises flow control priority when carrying out; Judge whether described network element transships, when overload, described message is carried out flow control according to the described flow control priority corresponding flow control law of storing in advance.Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (22)
1, a kind of control method of message traffic is characterized in that, comprising:
Network element receives the message that comprises flow control priority;
Judge whether described network element transships, during overload, described message is carried out flow control according to the described flow control priority corresponding flow control law of storing in advance.
2, method according to claim 1 is characterized in that, described message is specially:
Carry the message of the flow control priority of described message in the protocol header of preset protocol layer, described preset protocol layer is the protocol layer that is lower than described message place protocol layer.
3, method according to claim 1 is characterized in that, the described message that comprises flow control priority is signaling message, and described signaling message comprises:
The signaling message that is used to control, be used for the signaling message of session or be used to transmit the signaling message of critical data.
4, method according to claim 1 is characterized in that, also comprises:
Preserve the corresponding relation of flow control priority and described flow control priority and traffic control rule in advance.
5, method according to claim 1 is characterized in that, judges according at least a following manner whether described network element transships:
Whether the flow of judging described message surpasses preset flow;
Judge whether described network element CPU transships to the disposal ability of described message;
Judge whether described network element transships to the storage capacity of described message.
6, method according to claim 4 is characterized in that, described flow control priority is according to the significance level of described message, and/or the processing cost is provided with;
Described message is handled is specially: the flow control priority order from low to high according to described message abandons described message.
According to any described method of claim 1 to 5, it is characterized in that 7, described flow control priority corresponding flow control law according to storage in advance carries out flow control to described message and comprises:
Resolve the value of obtaining the flow control priority in this message after the described message;
Obtain and this flow control priority corresponding flow control law according to the value of described flow control priority;
According to the flow control of described traffic control rule execution to described message.
8, method according to claim 1 is characterized in that, also comprises:
Send feedback message, comprise in the described feedback message and be used for feedback level that the traffic volume of described message is controlled.
9, method according to claim 1 is characterized in that, described message comprises at least a in application layer messages, transport layer message, network layer message or the link layer message;
In the message header of described message, write described flow control priority.
10, a kind of control method of message traffic is characterized in that, comprising:
Reception comprises the feedback message of feedback level;
Traffic volume according to the described feedback level corresponding flow control law control messages of storing in advance.
11, method according to claim 10 is characterized in that, also comprises:
Preserve the corresponding relation of feedback level and type of message in advance, and the corresponding relation of described feedback level and traffic control rule.
12, method according to claim 11 is characterized in that, the traffic volume that described feedback level corresponding flow control law according to storage is in advance adjusted message comprises:
Read the value of feedback level in the described feedback message;
Obtain and this feedback level corresponding flow control law according to the value of described feedback level;
Control the traffic volume of described message according to described traffic control rule.
13, a kind of control system of message traffic is characterized in that, comprising: transmit leg network element and recipient's network element,
Described transmit leg network element comprises:
Transmitting element is used for sending the message that comprises flow control priority to recipient's network element;
Described recipient's network element comprises:
Receiving element is used to receive the described message that comprises flow control priority;
Judging unit is used to judge whether described recipient's network element transships;
Control unit is used for according to the described flow control priority corresponding flow control law of storing in advance described message being carried out flow control when described recipient's network element transships.
14, system according to claim 13 is characterized in that, described recipient's network element also comprises:
Memory cell is used for preserving in advance the corresponding relation of flow control priority and described flow control priority and described traffic control rule;
Described transmit leg network element also comprises: memory cell, be used for preserving in advance the corresponding relation of feedback level and type of message, and the corresponding relation of described feedback level and traffic control rule.
15, system according to claim 13 is characterized in that, described recipient's network element also comprises:
Transmitting element is used for sending feedback message to the transmit leg network element, comprises in the described feedback message to be used for feedback level that the traffic volume of described message is adjusted;
Described transmit leg network element also comprises:
Receiving element is used to receive the described feedback message that comprises feedback level;
Performance element is according to the traffic volume of the described feedback level corresponding flow control law control messages of storing in advance.
16, a kind of control device of message traffic is characterized in that, comprising:
Receiving element is used to receive the message that comprises flow control priority;
Judging unit is used to judge whether overload;
Control unit is used for according to the described flow control priority corresponding flow control law of storing in advance described message being carried out flow control when overload.
17, device according to claim 16 is characterized in that, also comprises:
Memory cell is used for preserving in advance the corresponding relation of flow control priority and described flow control priority and described traffic control rule.
18, device according to claim 16 is characterized in that, described control unit comprises:
Resolution unit is used for resolving the value of obtaining the flow control priority of this message after the described message;
Acquiring unit is used for obtaining and this flow control priority corresponding flow control law according to the value of described flow control priority;
Performance element is used for according to the flow control of described traffic control rule execution to described message.
19, device according to claim 16 is characterized in that, also comprises:
Transmitting element is used to send feedback message, comprises in the described feedback message to be used for feedback level that the traffic volume of described message is controlled.
20, a kind of control device of message traffic is characterized in that, comprising:
Receiving element is used to receive the feedback message that comprises feedback level;
Performance element is according to the traffic volume of the described feedback level corresponding flow control law control messages of storing in advance.
21, device according to claim 20 is characterized in that, also comprises:
Memory cell is used for preserving in advance type of message, and the corresponding relation of described type of message and traffic control rule of feedback level, each feedback level correspondence.
22, device according to claim 20 is characterized in that, described performance element comprises:
Reading unit is used for reading the value of described feedback message feedback level;
Acquiring unit is used for obtaining type of message corresponding with this feedback level and traffic control rule according to the value of described feedback level;
Control unit is used for controlling according to described traffic control rule the traffic volume of described message.
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| CNA2008100062750A CN101505260A (en) | 2008-02-04 | 2008-02-04 | Message flow control method, system and apparatus |
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| CNA2008100062750A CN101505260A (en) | 2008-02-04 | 2008-02-04 | Message flow control method, system and apparatus |
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| CNA2008100062750A Pending CN101505260A (en) | 2008-02-04 | 2008-02-04 | Message flow control method, system and apparatus |
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