CN105991468A - Diameter congestion response processing method and device - Google Patents
Diameter congestion response processing method and device Download PDFInfo
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- CN105991468A CN105991468A CN201510056147.7A CN201510056147A CN105991468A CN 105991468 A CN105991468 A CN 105991468A CN 201510056147 A CN201510056147 A CN 201510056147A CN 105991468 A CN105991468 A CN 105991468A
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Abstract
The invention provides a diameter congestion response processing method and a diameter congestion response processing device. The processing method includes the following steps that: first Diameter nodes receive congestion responses for carrying out error responding on a request message sent by a Diameter source node, wherein the congestion responses carry the identification information of second Diameter nodes which generates the congestion responses; and if the second Diameter nodes which generate the congestion responses are non-adjacent nodes of the first Diameter nodes, the first Diameter nodes do not carry out routing switching, or if the second Diameter nodes which generate the congestion responses are adjacent nodes of the first Diameter nodes, the first Diameter nodes obtain the number of the congestion responses and adjust the proportion of messages transmitted to the second Diameter nodes, when the number of the congestion responses exceeds a preset threshold, routing switching is carried out, so that third Diameter nodes can be switched to transmit messages, wherein the link connection priority of the third Diameter nodes is lower than the link connection priority of the second Diameter nodes or the third Diameter nodes are a plurality of Diameter sources which are preset according to load sharing.
Description
Technical field
The present invention relates to signaling network and core net field, particularly relate to a kind of congested response of Diameter
Processing method and processing device.
Background technology
Based on forwarding Diameter between LTE (Long Term Evolution, the Long Term Evolution) network equipment
The demand of (diameter) signaling message, needs to build a Diameter letter being made up of Diameter node
Make net, for Diameter signaling transmission, receive and transfer.The node of Diameter signaling network includes
Diameter server, Diameter client and DRA (Diameter routing Agent, Diameter
Route agent)；Normally, Diameter server provides the application kimonos such as certification, authentication, policy control
Business, Diameter client by signaling network access Diameter server to use application and service,
Diameter route agent (DRA) carries out process and the switching of Diameter message.
Along with developing rapidly of mobile Internet, the portfolio rapid growth of mobile communications network, it is used for carrying
The Diameter signaling network of LTE network signaling is also faced with the signalling traffic being gradually increased.In festivals or holidays
With under emergency case or when Diameter signaling network equipment or link failure occurs, Diameter signaling network
In node (including server, client, DRA) may because of the signalling traffic received surpass
Cross equipment disposal ability, and cause equipment to produce the situation of internal congestion.According to Diameter basic agreement
The requirement of (RFC (Request For Comments, request for comments) 6733), when Diameter node
When producing internal congestion, (SCTP (Stream Control Transmission can be used in transport layer
Protocol, SCTP) (Transmission Control Protocol passes transport control protocol to/TCP
View) agreement) use congestion control mechanism, including re-transmission policy, out of order cache policy, confirm strategy, stream
Control strategy and determine Timeout policy etc.；Can also use in application layer (employing Diameter) and gather around
Plug control mechanism, the i.e. source node to request message send error response message, carry " protocol error " former
Because of value 3004 congested response DIAMETER_TOO_BUSY.Normally, Diameter node is in inside
Mainly use application layer congestion control mechanism time congested, i.e. send errored response to source node
DIAMETER_TOO_BUSY.Diameter basic agreement requires that Diameter node is receiving mistake sound
Should attempt carrying out routing switch when answering DIAMETER_TOO_BUSY, request message is mail to purpose
Another one Diameter node on node path；Normally, Diameter node can receive mistake
Response DIAMETER_TOO_BUSY time start TOO BUSY intervalometer, before timer expiry not from
Former route sends message, backs former route after timer expiry.
To sum up learning, according to the requirement of Diameter basic agreement, Diameter node is when internal congestion
Errored response DIAMETER_TOO_BUSY can be sent to source node；Receive errored response
All Diameter nodes of DIAMETER_TOO_BUSY can be attempted request message is mail to purpose
Another one Diameter node on node path.
As it is shown in figure 1, Diameter signaling network is by Diameter source node, Diameter destination node and 4
Individual Diameter route agent form, Diameter route agent 1 with Diameter route agent 2 for becoming
To primary, the secondary node arranged or load sharing node, Diameter route agent 3 and Diameter
Route agent 4 is primary, the secondary node or load sharing node being arranged in pairs.Diameter route agent
3 because of load higher generation internal congestion.Diameter source node sends request to Diameter route agent 1
Message, request message is forwarded to Diameter route agent 3 by Diameter route agent 1.Diameter
Route agent 3 returns congested response because of internal congestion to Diameter route agent 1
DIAMETER_TOO_BUSY.Diameter route agent 1 receives congested response
DIAMETER_TOO_BUSY, carries out routing switch, request message is forwarded to Diameter and route generation
Reason 4, is ultimately routed to Diameter destination node；Meanwhile, Diameter route agent 1 is by congested response
DIAMETER_TOO_BUSY is forwarded to Diameter source node.Diameter source node receives congested
Response DIAMETER_TOO_BUSY, it is believed that Diameter route agent 1 produces internal congestion, opens
Dynamic TOO BUSY intervalometer, is sent to Diameter route agent 2, Diameter by subsequent request message
Request message is still forwarded to primary node Diameter route agent 3 by route agent 2.Diameter
Route agent 3 returns congested response because of internal congestion to Diameter route agent 2
DIAMETER_TOO_BUSY.Diameter route agent 2 receives congested response
DIAMETER_TOO_BUSY, carries out routing switch, request message is forwarded to Diameter and route generation
Reason 4, is ultimately routed to Diameter destination node；Meanwhile, Diameter route agent 2 is by congested response
DIAMETER_TOO_BUSY is forwarded to Diameter source node.Diameter source node receives congested
Response DIAMETER_TOO_BUSY, it is believed that Diameter route agent 2 also produces internal congestion,
Start TOO BUSY intervalometer；Now, do not have to Diameter destination node can for Diameter source node
By route, request message can only be retransmited after waiting timer time-out.
In the Diameter signaling network shown in Fig. 1, only Diameter route agent 3 produces inside and gathers around
Plug, but because congested response DIAMETER_TOO_BUSY forwarding in a network so that all receipts
All there is routing switch in the route agent to congested response DIAMETER_TOO_BUSY, though adjacent
Node does not occur congested, and these routing switch can produce impact to business, and increases the weight of in other routes
Signaling traffic load.And Diameter source node does not differentiates between adjacent node yet or nonneighbor node sends
Congested response message, causes Diameter source node to think Diameter route agent 1 and Diameter road
Also produced internal congestion by agency 2, all start intervalometer for all routes, fixed at TOO BUSY
Time device time-out before cannot send request message.
As the foregoing of Fig. 1 understands, there are the following problems: Diameter node is receiving congested response message
Shi Jinhang routing switch, may cause the routing switch on a large scale of whole Diameter signaling network, increase the weight of down
Change the signaling traffic load of route, and the source node asking message may be caused at TOO BUSY timer expiry
Before cannot send message.
Additionally there are technical problem is that: as long as Diameter node receives a congested response
DIAMETER_TOO_BUSY, will carry out routing switch immediately, and start TOO BUSY timing
Device.Therefore, several the congested responses that Diameter node the most accidentally produces or mistake produces
DIAMETER_TOO_BUSY also results in and is regarded as internal congestion node by other Diameter nodes,
Make Diameter signaling network produce the most unnecessary routing switch, and cause Diameter source node to exist
Request message cannot be sent before TOO BUSY timer expiry.
Summary of the invention
It is an object of the invention to provide the processing method and processing device of the congested response of a kind of Diameter, it is achieved
Do not carry out large-scale routing switch, alleviate the signaling traffic load switching route.
To achieve these goals, the process of the congested response of a kind of Diameter that the embodiment of the present invention provides
Method, is applied to Diameter route agent node and/or Diameter signaling node, described processing method
Including:
Oneth Diameter node receives the request message sending Diameter source node and carries out errored response
Congested response, wherein said congested response carries the 2nd Diameter node producing congested response
Identification information；
If the described 2nd Diameter node producing congested response is the non-of a described Diameter node
During adjacent node, a described Diameter node does not carry out routing switch；Or
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains the number of described congested response and adjusts to described the
The transmission message ratio of two Diameter nodes, and when the number of described congested response is beyond pre-determined threshold
Carry out routing switch and transmit message to the 3rd Diameter node, wherein said 3rd Diameter node
Link connects priority level and connects priority level or described less than the link of described 2nd Diameter node
3rd Diameter node is the multiple Diameter node of pre-setting with load sharing as foundation.
Further, it is that pre-setting with load sharing as foundation is many at described 3rd Diameter node
During individual Diameter node, if the described described 2nd Diameter node producing congested response is described
During the adjacent node of one Diameter node, a described Diameter node obtains described congested response
Number adjusting adjusts to described in the step of the transmission message ratio of described 2nd Diameter node
The step of the transmission message ratio of two Diameter nodes includes:
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains congested number of responses without departing from described congested response
During the described pre-determined threshold of number, a described Diameter node does not carry out routing switch to the described 3rd
Diameter node transmits message, and a described Diameter node dynamically adjusts to described second
The number of the transmission message of Diameter node is less than to the transmission message of described 3rd Diameter node
Number.
Further, the link at described 3rd Diameter node connects priority level less than described second
When the link of Diameter node connects priority level, produce described the second of congested response if described
When Diameter node is the adjacent node of a described Diameter node, a described Diameter joint
Point obtains the number of described congested response and adjusts the transmission message ratio to described 2nd Diameter node
Step in adjust the step to the transmission message ratio of described 2nd Diameter node and include:
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains congested number of responses without departing from described congested response
During the described pre-determined threshold of number, a described Diameter node does not carry out routing switch to the described 3rd
Diameter node transmission message, and a described Diameter node reduction is to described 2nd Diameter
The number of the transmission message of node.
Further, if the described described 2nd Diameter node producing congested response is described first
During the adjacent node of Diameter node, a described Diameter node obtains the number of described congested response
Mesh also adjusts the transmission message ratio to described 2nd Diameter node, and at the number of described congested response
Carry out routing switch when mesh is beyond pre-determined threshold and transmit the step bag of message to described 3rd Diameter node
Include:
According to the identification information of the 2nd Diameter node in described congested response, a described Diameter
Node finds described 2nd Diameter node in adjacent signaling node list, and the most described second
Diameter node is the adjacent node of a described Diameter node；
After the adjacent node that described 2nd Diameter node is a described Diameter node, described
Oneth Diameter node obtains the number of described congested response and adjusts to described 2nd Diameter node
Transmission message ratio, and described congested response number beyond pre-determined threshold time carry out routing switch to institute
Stating the 3rd Diameter node transmission message and carry out timing, wherein said adjacent signaling node list is pre-
First store the identification information of the adjacent node of a described Diameter node.
Further, described in the phase that described 2nd Diameter node is a described Diameter node
During neighbors, a described Diameter node obtains the number of described congested response and adjusts to described the
The transmission message ratio of two Diameter nodes, and when the number of described congested response is beyond pre-determined threshold
Carry out routing switch to the most described 3rd Diameter node transmission message and carry out timing step after, institute
State processing method also to include:
After timing time reaches Preset Time, described in a described Diameter node control first
Diameter node is refunded to described 2nd Diameter node biography from described 3rd Diameter node-routing
Pass message.
Further, if the described described 2nd Diameter node producing congested response is described first
During the nonneighbor node of Diameter node, a described Diameter node does not carry out the step of routing switch
Suddenly include:
According to the identification information of the 2nd Diameter node in described congested response, a described Diameter
Node does not finds described 2nd Diameter node in adjacent signaling node list, and the most described second
Diameter node is the nonneighbor node of a described Diameter node, a described Diameter joint
Point does not carry out routing switch and does not carry out timing, and wherein said adjacent signaling node list is described for prestoring
The identification information of the adjacent node of the oneth Diameter node.
Accordingly, the present invention also provides for the processing means of the congested response of a kind of Diameter, is applied to
Diameter route agent node and/or Diameter signaling node, described processing means includes:
Receiver module, receives, for a Diameter node, the request sending Diameter source node and disappears
Breath carries out the congested response of errored response, and wherein said congested response carries and produces the second of congested response
The identification information of Diameter node；
Judging treatmenting module, if the described 2nd Diameter node for producing congested response is described the
During the nonneighbor node of one Diameter node, a described Diameter node does not carry out routing switch；
Or
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains the number of described congested response and adjusts described second
The message ratio of Diameter node, and route when the number of described congested response is beyond pre-determined threshold
Switching to the 3rd Diameter node transmission message, the link of wherein said 3rd Diameter node connects
Priority level connects priority level or the described 3rd less than the link of described 2nd Diameter node
Diameter node is the multiple Diameter node of pre-setting with load sharing as foundation.
Further, it is that pre-setting with load sharing as foundation is many at described 3rd Diameter node
During individual Diameter node, described judging treatmenting module includes:
First judges to adjust submodule, if for producing the described 2nd Diameter node of congested response being
During the adjacent node of a described Diameter node, a described Diameter node obtains congested response
When number is without departing from the described pre-determined threshold of the number of described congested response, a described Diameter node
Do not carry out routing switch to described 3rd Diameter node and transmit message, and a described Diameter joint
Point dynamically adjusts the number of the transmission message to described 2nd Diameter node less than to the described 3rd
The number of the transmission message of Diameter node.
Further, the link at described 3rd Diameter node connects priority level less than described second
When the link of Diameter node connects priority level, described judging treatmenting module includes:
Second judges to adjust submodule, if for producing the described 2nd Diameter node of congested response being
During the adjacent node of a described Diameter node, a described Diameter node obtains congested response
When number is without departing from the described pre-determined threshold of the number of described congested response, a described Diameter node
Do not carry out routing switch to described 3rd Diameter node and transmit message, and a described Diameter joint
Point reduces the number of the transmission message to described 2nd Diameter node.
Further, described judging treatmenting module also includes:
First judges submodule, for the mark according to the 2nd Diameter node in described congested response
Information, a described Diameter node finds described 2nd Diameter in adjacent signaling node list
Node, the most described 2nd Diameter node is the adjacent node of a described Diameter node；
Processing submodule, being used at described 2nd Diameter node is a described Diameter node
After adjacent node, a described Diameter node obtains the number of described congested response and adjusts to described
The transmission message ratio of the 2nd Diameter node, and at the number of described congested response beyond pre-determined threshold
Shi Jinhang routing switch is to described 3rd Diameter node transmission message and carries out timing, wherein said phase
Adjacent signaling node list is the identification information of the adjacent node prestoring a described Diameter node.
Further, described processing means also includes:
Control to refund module, be used for after timing time reaches Preset Time, a described Diameter
A Diameter node described in node control is refunded to described from described 3rd Diameter node-routing
Two Diameter node transmission message.
Further, described judging treatmenting module includes:
Second judges submodule, for the mark according to the 2nd Diameter node in described congested response
Information, a described Diameter node does not finds described second in adjacent signaling node list
Diameter node, the most described 2nd Diameter node is the non-adjacent of a described Diameter node
Node, a described Diameter node does not carry out routing switch and does not carry out timing, wherein said adjacent
Signaling node list is the identification information of the adjacent node prestoring a described Diameter node.
Having the beneficial effect that of the technique scheme of the present invention:
In the solution of the present invention, receive congested response by a Diameter node, to producing congested sound
The 2nd Diameter node answered carries out judging whether to be the adjacent node of a Diameter node, if
It is nonneighbor node, does not the most carry out routing switch；If adjacent node, then a Diameter node
Obtain the number of congested response and adjust the transmission message ratio to the 2nd Diameter node, and gathering around
Plug response carries out routing switch beyond the oneth Diameter node during pre-determined threshold.Thus can only switch phase
The route of neighbors, will not routing switch on a large scale, and when congested response reaches pre-determined threshold,
One Diameter node is switched, and the congested response that it also avoid only one of which or minority occurs and causes
Switch on a large scale, alleviate the signaling traffic load switching route simultaneously.
Accompanying drawing explanation
Fig. 1 is the Diameter signaling network congestion scenario of prior art；
Fig. 2 is the steps flow chart schematic diagram of the processing method of the congested response of Diameter of the embodiment of the present invention；
Fig. 3 is the judgement schematic diagram of the response congested to Diameter of the embodiment of the present invention；
Fig. 4 is the process structural representation that nonneighbor node produces congested response of the embodiment of the present invention；
Fig. 5 is the process structural representation that adjacent node produces congested response of the embodiment of the present invention；
Fig. 6 is the structural representation of the processing means of the congested response of Diameter of the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
In order to for easy reference is described in greater detail below, it should be noted that Diameter signaling is divided into and ask
Asking message and response message two class, in Diameter signaling network, request message route according to Diameter
The routing table of agent node route, and response message is according to record in Diameter route agent node
Message transmits record backtracking.
The present invention is directed to Diameter node in prior art and receive the most accidental or wrong generation
The congested response of minority, does not differentiates between adjacent node or the congested response message of nonneighbor node transmission, directly
Carry out large-scale routing switch and start intervalometer, business produced impact and increases the weight of the letter in other routes
Make load, the problem that simultaneously cannot send request message before timer expiry.
The present invention provides a kind of Diameter processing method and processing device of congested response, by receiving congested sound
The Diameter node answered to produce congested response Diameter node make a distinction adjacent node or
The congested response that nonneighbor node sends, if just carrying out routing switch if adjacent node and starting intervalometer,
If with regard to not carrying out routing switch if nonneighbor node, the most not starting intervalometer.Thus avoid big model
That encloses carries out routing switch, alleviates the signaling traffic load in route.
As in figure 2 it is shown, in the processing method of the congested response of a kind of Diameter of the embodiment of the present invention,
The processing method of the congested response of Diameter, is applied to Diameter route agent node and/or Diameter
Signaling node, described processing means includes:
Step 21, a Diameter node receives the request message sending Diameter source node to be carried out
The congested response of errored response, wherein said congested response carries the 2nd Diameter producing congested response
The identification information of node；
Node during wherein a Diameter node is arbitrary Diameter signaling network, can be Diameter
Source node, it is also possible to be the node of Diameter route agent, any joint that can be realized by this programme
Point, belongs to protection scope of the present invention, and differ a citing at this.
Wherein said congested response DIAMETER_TOO_BUSY refers to the congested rear errored response produced,
Diameter errored response may be produced by Diameter route agent, it is also possible to by the joint of Diameter mesh
Point produces.Errored response and routing state, congestion state etc. that the former produces are relevant；The mistake that the latter produces
Response and application layer process result, congestion state etc. are relevant.
Wherein said identification information can be the host name of Diameter node, it is also possible to be Diameter joint
The sequence numbering of point, any mode of concrete identification belongs to protection scope of the present invention.For producing
The host name of oneself can be filled in by Diameter route agent or the Diameter destination node of raw errored response
In the source host file-name field of response message.During the transmission of errored response, source host name will not be by
Diameter route agent revises.By the analysis of source host name being may determine that adjacent node is with non-adjacent
Node, carries out respective handling.
Step 22, if the described 2nd Diameter node producing congested response is a described Diameter
During the nonneighbor node of node, a described Diameter node does not carry out routing switch；Or
Step 23, if the described 2nd Diameter node producing congested response is a described Diameter
During the adjacent node of node, a described Diameter node obtains the number of described congested response and adjusts
To the transmission message ratio of described 2nd Diameter node, and at the number of described congested response beyond pre-
If carrying out routing switch during thresholding to transmit message, wherein said 3rd Diameter to the 3rd Diameter node
The link of node connect priority level less than the link of described 2nd Diameter node connect priority level or
3rd Diameter node described in person is the multiple Diameter node of pre-setting with load sharing as foundation.
Wherein pre-determined threshold is by recording the numerical value that the number of congested response sets, it is to avoid receive one
Congested response DIAMETER_TOO_BUSY, the problem that routing switch will be carried out immediately, or keep away
The congested response DIAMETER_TOO_BUSY exempting from only one of which or minority occurs, and causes on a large scale
Switch, reach pre-determined threshold by judging whether, it is also possible to improve the efficiency and accuracy rate switched.
The ability that described pre-determined threshold is had adjustment by the node of Diameter route agent originally determines.
The number of wherein said congested response can pass through enumerator, has the module of tally function or have
The software code of tally function goes to realize, as this programme is the adjustment carried out under conditions of enumerator, such as
Originally the ratio 50%Diameter route agent 3 and 50% of bearing load Diameter route agent
Diameter route agent 4, but Diameter route agent 3 is congested, needs to adjust the ratio of load
Example, alleviates the load proportion of Diameter route agent 3, increases the load of Diameter route agent 4
Proportion, the most both can alleviate Diameter route agent 3 load, alleviated temporary transient pressure, the most not
Signaling transmission can be made to interrupt, improve signaling transmission efficiency simultaneously.
The link of wherein said 3rd Diameter node connects priority level less than described 2nd Diameter
When the link of node connects priority level, described 3rd Diameter node and described 2nd Diameter joint
Point can as main-standby nodes, wherein said 2nd Diameter node as host node, the described 3rd
Diameter node is as slave node；Described 3rd Diameter node is pre-with load sharing as foundation
When first arranging multiple Diameter node, described 3rd Diameter node can be as load sharing node.
In above-mentioned steps 21 to step 23, receive congested response (step by a Diameter node
Rapid 21), the 2nd Diameter node producing congested response is judged whether it is a Diameter
The adjacent node of node, if nonneighbor node, does not the most carry out routing switch (step 22), if
Adjacent node, then a Diameter node obtains the number of congested response and adjusts to the 2nd Diameter
The transmission message ratio of node, and when congested response is beyond pre-determined threshold, the oneth Diameter node enters
Row routing switch (step 23), thus can only switch the route of adjacent node, will not route on a large scale
Switch, and when congested response reaches pre-determined threshold, a Diameter node is switched, and also keeps away
The congested response having exempted from only one of which or minority occurs and causes and switch on a large scale, alleviates simultaneously and switches road
By signaling traffic load.
At Diameter node when receiving congested response DIAMETER_TOO_BUSY, first determine whether
Produce that the Diameter node of congested response is adjacent node or the congested response that nonneighbor node sends disappears
Breath, the congested response message sending nonneighbor node and adjacent node is respectively adopted the side of process targetedly
Formula, concrete judgement is as shown in Figure 3.
Step 31, receives congested response DIAMETER_TOO_BUSY.
Step 32, it is judged that whether the node producing congested response DIAMETER_TOO_BUSY is adjacent
Node；
Step 33, if nonneighbor node, then nonneighbor node is produced congested response process (as
Do not carry out routing switch shown in Fig. 4, the most do not start intervalometer).
Step 34, if adjacent node, then produces the process of congested response (such as Fig. 5 to adjacent node
Shown carries out routing switch and starts intervalometer).
Request message cannot be sent for before TOO BUSY timer expiry, the embodiment of the present invention
In the processing method of the congested response of Diameter, it is to be with load sharing at described 3rd Diameter node
When pre-setting multiple Diameter node of foundation, adjusts in step 23 to described 2nd Diameter
The step of the transmission message ratio of node includes:
Step 231, if the described 2nd Diameter node producing congested response is a described Diameter
During the adjacent node of node, a described Diameter node obtains congested number of responses and gathers around without departing from described
When filling in the described pre-determined threshold of the number responded, a described Diameter node does not carries out routing switch extremely
Described 3rd Diameter node transmits message, and a described Diameter node dynamically adjusts to described
The number of the transmission message of the 2nd Diameter node disappears less than to the transmission of described 3rd Diameter node
The number of breath.
Control when the number of congested response is without departing from described pre-determined threshold by step 231, adjust transmission and disappear
Breath number, still can ensure that the transmission of message, cannot send out before solving TOO BUSY timer expiry
The problem sending request message.
Oneth Diameter node judges that congested response DIAMETER_TOO_BUSY is that adjacent node produces
Raw, first start TOO BUSY enumerator；Before enumerator exceedes thresholding, can effectively control route and fall
Change opportunity and dynamically adjust the message of each route and send ratio (the transmission message of congested route is less than non-congested road
By transmission message)；After enumerator exceedes thresholding, carry out routing switch, start TOO BUSY fixed simultaneously
Time device.
Concrete, request message cannot be sent for before TOO BUSY timer expiry, the present invention is again
In the processing method of the congested response of Diameter of one embodiment, at the chain of described 3rd Diameter node
When road connects the link connection priority level that priority level is less than described 2nd Diameter node, step 23
Middle adjustment includes to the step of the transmission message ratio of described 2nd Diameter node:
Step 232, if the described 2nd Diameter node producing congested response is a described Diameter
During the adjacent node of node, a described Diameter node obtains congested number of responses and gathers around without departing from described
When filling in the described pre-determined threshold of the number responded, a described Diameter node does not carries out routing switch extremely
Described 3rd Diameter node transmission message, and a described Diameter node reduction is to described second
The number of the transmission message of Diameter node.
Link at described 3rd Diameter node connects priority level less than described 2nd Diameter joint
When the link of point connects priority level, it is possible to reduce to the transmission of host node (the 2nd Diameter node)
Message, is such as that the ratio originally sharing message is reduced to 80% by the message of 100% originally, the most standby
Node (the transmission information node of the 3rd Diameter node) is shared for the message caching originally 20%.
In order to judge be adjacent node send congested response message, the therefore Diameter of the embodiment of the present invention
In the processing method of congested response, step 23 particularly as follows:
Step 233, according to the identification information of the 2nd Diameter node in described congested response, described
One Diameter node finds described 2nd Diameter node, then institute in adjacent signaling node list
State the adjacent node that the 2nd Diameter node is a described Diameter node；
Step 234, in the adjacent segments that described 2nd Diameter node is a described Diameter node
After Dian, a described Diameter node obtains the number of described congested response and adjusts to described second
The transmission message ratio of Diameter node, and carry out when the number of described congested response is beyond pre-determined threshold
Routing switch is to described 3rd Diameter node transmission message and carries out timing, wherein said adjacent signaling
Node listing is the identification information of the adjacent node prestoring a described Diameter node.
The function that wherein can complete above-mentioned timing can be intervalometer, or can also be to have timing merit
Can module, or the software code can also with clocking capability go realize, may be incorporated for presetting
The length of one timing.
In order to the routing switch switched can returned on path originally, the therefore embodiment of the present invention
The congested response of Diameter processing method in, also include:
Step 24, after timing time reaches Preset Time, a described Diameter node control institute
State a Diameter node to refund to described 2nd Diameter from described 3rd Diameter node-routing
Node transmission message.
The function that wherein can complete above-mentioned timing can be intervalometer, or can also be to have timing merit
Can module, or the software code can also with clocking capability go realize, may be incorporated for presetting
The length of one timing.After reaching Preset Time, route is refunded original path, complete whole route
The process changed.
Wherein said intervalometer is referred to as TOO BUSY intervalometer, is used for when routing switch one section
After between, switch back to primary routing.
Oneth Diameter node judges that congested response DIAMETER_TOO_BUSY is nonneighbor node
Producing, do not carry out routing switch, do not start TOO BUSY intervalometer, subsequent request message still exists
In original route, can being prevented effectively from single-point in Diameter signaling network, congested to be diffused as the whole network congested,
Can also be prevented effectively from routing switch on a large scale and thus cause switch route signaling traffic load penalty issue.
Need to first determine whether the congested response message that adjacent node or nonneighbor node send, to non-adjacent
The congested response message that node and adjacent node send is respectively adopted and processes targetedly, and therefore the present invention is real
Executing in the processing method of the congested response of Diameter of example, step 22 includes:
Step 221, according to the identification information of the 2nd Diameter node in described congested response, described
One Diameter node does not finds described 2nd Diameter node in adjacent signaling node list, then
Described 2nd Diameter node is the nonneighbor node of a described Diameter node, described first
Diameter node does not carry out routing switch and does not carry out timing, and wherein said adjacent signaling node list is pre-
First store the identification information of the adjacent node of a described Diameter node.
The function that wherein can complete above-mentioned timing can be intervalometer, or can also be to have timing merit
Can module, or the software code can also with clocking capability go realize, may be incorporated for presetting
The length of one timing.Wherein said intervalometer is referred to as TOO BUSY intervalometer in route
After switching a period of time, switch back to primary routing.
Oneth Diameter node judges that congested response DIAMETER_TOO_BUSY is nonneighbor node
Producing, do not carry out routing switch and do not start TOO BUSY intervalometer, subsequent request message still exists
In original route, can being prevented effectively from single-point in Diameter signaling network, congested to be diffused as the whole network congested,
Can also be prevented effectively from routing switch on a large scale and thus cause switch route signaling traffic load penalty issue.
Congested response is received, to the 2nd Diameter producing congested response by a Diameter node
Node carries out judging whether to be the adjacent node of a Diameter node, if nonneighbor node, then
Do not carry out routing switch and the most do not start intervalometer；If adjacent node, then a Diameter node obtains
Take the number of congested response and adjust the transmission message ratio to the 2nd Diameter node, and congested
Response carries out routing switch beyond the oneth Diameter node during pre-determined threshold and starts intervalometer, then exists
During beyond the timing time of the routing switch of described intervalometer, a Diameter node is from the described 3rd
Diameter node-routing is switched to original described 2nd Diameter node, so will not be large-scale
Routing switch, alleviates the signaling traffic load switching route.
As shown in Figure 4, the embodiment of the present invention concrete example to the process of the nonneighbor node congested response of generation
As follows.
1) .Diameter route agent 3 returns congested response to Diameter route agent 1 because of internal congestion
DIAMETER_TOO_BUSY。
2) .Diameter route agent 1 receives a large amount of congested responses laggard row routing switch, and by congested sound
DIAMETER_TOO_BUSY is answered to be forwarded to Diameter source node.Diameter source node judges to gather around
Plug response DIAMETER_TOO_BUSY is that nonneighbor node produces, and does not carry out routing switch, no
Starting TOO BUSY intervalometer, subsequent request message is still sent to primary node Diameter and route generation
Reason 1, without being switched to secondary node Diameter route agent 2.
3). in this motion, in Diameter signaling network, individual node (route for Diameter in Fig. 3
Agency 3) produce internal congestion time, the node of the most adjacent Diameter route agent 1 carries out routing switch,
Non-adjacent Diameter source node will not carry out routing switch, also will not start TOO BUSY intervalometer,
Thus without the situation that cannot send message before TOO BUSY timer expiry occurs.Diameter node
The congested response producing nonneighbor node does not start congestion control, can be prevented effectively from Diameter signaling
In net, congested to be diffused as the whole network congested for single-point, it is also possible to is prevented effectively from routing switch on a large scale and thus causes
Switch route signaling traffic load penalty issue.
Oneth Diameter node is receiving the congested response DIAMETER_TOO_BUSY of adjacent node
Shi Qidong TOO BUSY enumerator, carries out routing switch after TOO BUSY enumerator exceedes thresholding again
And start TOO BUSY intervalometer, thus efficiently control the opportunity of routing switch, also avoid because of short-term
The congested response that interior accidentally generation or mistake produce increases the weight of to switch the load of route.
As it is shown in figure 5, the embodiment of the present invention produces the concrete example of the process of congested response such as to adjacent node
Under.
1) .Diameter route agent 3 returns congested response to Diameter route agent 1 because of internal congestion
DIAMETER_TOO_BUSY。
2), after .Diameter route agent 1 receives congested response, carry out routing switch the most immediately, but open
Dynamic TOO BUSY enumerator also arranges thresholding (enumerator does not receives congested sound in configurable a period of time
Empty after answering DIAMETER_TOO_BUSY), and it is adjusted to Diameter route agent 3 He
The message of Diameter route agent 4 sends ratio, and (entire message is sent to Diameter under normal circumstances
Route agent 3 or load sharing are sent to 3 and Diameter route agents 4), now that small part is (little
In 50%) message is sent to Diameter route agent 3, major part (more than 50%) message is sent to
Diameter route agent 4).
3). when Diameter route agent 3 return exceedes a large amount of congested response of enumerator thresholding
During DIAMETER_TOO_BUSY, the TOO BUSY enumerator of Diameter route agent 1 exceedes
Thresholding, now Diameter route agent 1 carries out routing switch, is sent to Diameter by all asking message
Route agent 4, and start TOO BUSY intervalometer, reattempt after TOO BUSY timer expiry
Request message is sent to Diameter route agent 3.
4). in this motion, in Diameter signaling network, individual node (route for Diameter in Fig. 3
Agency 3) produce internal congestion time, adjacent Diameter node is in the congested response received
The quantity of DIAMETER_TOO_BUSY just can carry out routing switch and start TOO after exceeding thresholding
BUSY intervalometer, can effectively control routing switch opportunity and message and send ratio (congested route < non-is gathered around
Plug route), it is to avoid the congested response because accidentally producing in a short time or mistake produces increases the weight of to switch the load of route.
The most as shown in Figure 6, the process dress of the congested response of Diameter of another embodiment of the present invention
Put, be applied to Diameter route agent node and/or Diameter signaling node, described processing means bag
Include:
Receiver module 61, receives the request sending Diameter source node for a Diameter node
Message carries out the congested response of errored response, and wherein said congested response carries and produces the second of congested response
The identification information of Diameter node；
Judging treatmenting module 62, if being described for producing the described 2nd Diameter node of congested response
During the nonneighbor node of the oneth Diameter node, a described Diameter node does not carry out routing switch；
Or
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains the number of described congested response and adjusts described second
The message ratio of Diameter node, and route when the number of described congested response is beyond pre-determined threshold
Switching to the 3rd Diameter node transmission message, the link of wherein said 3rd Diameter node connects
Priority level connects priority level or the described 3rd less than the link of described 2nd Diameter node
Diameter node is the multiple Diameter node of pre-setting with load sharing as foundation.
Congested response is received, to producing the of congested response by receiver module 61 the oneth Diameter node
Two Diameter nodes carry out judging whether to be the adjacent node of a Diameter node, if it is determined that place
Reason module 62 judges between right and wrong adjacent node, then a Diameter node does not carry out routing switch, if sentenced
Disconnected processing module 62 judges it is adjacent node, then a Diameter node obtains the number of congested response also
Adjust the transmission message ratio to the 2nd Diameter node, and when congested response is beyond pre-determined threshold
Oneth Diameter node carries out routing switch, thus can only switch the route of adjacent node, Bu Hui great
The routing switch of scope, and when congested response reaches pre-determined threshold, a Diameter node is carried out
Switching, the congested response that it also avoid only one of which or minority occurs and causes and switch on a large scale, subtracts simultaneously
The light signaling traffic load switching route.
In the processing means of the congested response of Diameter of another embodiment of the present invention, the described 3rd
When Diameter node is the multiple Diameter node of pre-setting with load sharing as foundation, described in sentence
Disconnected processing module 62 includes:
First judges to adjust submodule, if for producing the described 2nd Diameter node of congested response being
During the adjacent node of a described Diameter node, a described Diameter node obtains congested response
When number is without departing from the described pre-determined threshold of the number of described congested response, a described Diameter node
Do not carry out routing switch to described 3rd Diameter node and transmit message, and a described Diameter joint
Point dynamically adjusts the number of the transmission message to described 2nd Diameter node less than to the described 3rd
The number of the transmission message of Diameter node.
In the processing means of the congested response of Diameter of another embodiment of the present invention, the described 3rd
The link of Diameter node connects priority level and connects excellent less than the link of described 2nd Diameter node
During first grade, described judging treatmenting module includes:
Second judges to adjust submodule, if for producing the described 2nd Diameter node of congested response being
During the adjacent node of a described Diameter node, a described Diameter node obtains congested response
When number is without departing from the described pre-determined threshold of the number of described congested response, a described Diameter node
Do not carry out routing switch to described 3rd Diameter node and transmit message, and a described Diameter joint
Point reduces the number of the transmission message to described 2nd Diameter node.
In the processing means of the congested response of Diameter of another embodiment of the present invention, described judgement processes
Module 62 also includes:
First judges submodule, for the mark according to the 2nd Diameter node in described congested response
Information, a described Diameter node finds described 2nd Diameter in adjacent signaling node list
Node, the most described 2nd Diameter node is the adjacent node of a described Diameter node；
Processing submodule, being used at described 2nd Diameter node is a described Diameter node
After adjacent node, a described Diameter node obtains the number of described congested response and adjusts to described
The transmission message ratio of the 2nd Diameter node, and at the number of described congested response beyond pre-determined threshold
Shi Jinhang routing switch is to described 3rd Diameter node transmission message and carries out timing, wherein said phase
Adjacent signaling node list is the identification information of the adjacent node prestoring a described Diameter node.
In the processing means of the congested response of Diameter of another embodiment of the present invention, described processing means
Also include:
Control to refund module 63, be used for after timing time reaches Preset Time, a described Diameter
A Diameter node described in node control is refunded to described from described 3rd Diameter node-routing
Two Diameter node transmission message.
In the processing means of the congested response of Diameter of another embodiment of the present invention, described judgement processes
Module 62 includes:
Second judges submodule, for the mark according to the 2nd Diameter node in described congested response
Information, a described Diameter node does not finds described second in adjacent signaling node list
Diameter node, the most described 2nd Diameter node is the non-adjacent of a described Diameter node
Node, a described Diameter node does not carry out routing switch and does not carry out timing, wherein said adjacent
Signaling node list is the identification information of the adjacent node prestoring a described Diameter node.
Congested response is received, to producing the of congested response by receiver module 61 the oneth Diameter node
Two Diameter nodes carry out judging whether to be the adjacent node of a Diameter node, if second sentences
Disconnected submodule judges between right and wrong adjacent node, does not the most carry out routing switch and does not the most start intervalometer, if first sentences
Disconnected submodule judges it is adjacent node, then a Diameter node obtains congested sound by processing submodule
The number answered also adjusts the transmission message ratio to the 2nd Diameter node, and exceed in congested response
During pre-determined threshold, the oneth Diameter node carries out routing switch and starts intervalometer, then beyond described
During the timing time of the routing switch of intervalometer, utilize control refund module 63 the oneth Diameter node from
Described 3rd Diameter node-routing is refunded to original described 2nd Diameter node, so will not
Routing switch, alleviates the signaling traffic load switching route on a large scale.
It should be noted that the device that the present invention provides is the process of the application congested response of above-mentioned Diameter
The device of method, all embodiments of the processing method of the congested response of the most above-mentioned Diameter are all applicable to this
Device, and all can reach same or analogous beneficial effect.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (12)
1. a processing method for the congested response of Diameter, be applied to Diameter route agent node and
/ or Diameter signaling node, it is characterised in that the treating method comprises:
Oneth Diameter node receives the request message sending Diameter source node and carries out errored response
Congested response, wherein said congested response carries the 2nd Diameter node producing congested response
Identification information；
If the described 2nd Diameter node producing congested response is the non-of a described Diameter node
During adjacent node, a described Diameter node does not carry out routing switch；Or
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains the number of described congested response and adjusts to described the
The transmission message ratio of two Diameter nodes, and when the number of described congested response is beyond pre-determined threshold
Carry out routing switch and transmit message to the 3rd Diameter node, wherein said 3rd Diameter node
Link connects priority level and connects priority level or described less than the link of described 2nd Diameter node
3rd Diameter node is the multiple Diameter node of pre-setting with load sharing as foundation.
Processing method the most according to claim 1, it is characterised in that at described 3rd Diameter
When node is the multiple Diameter node of pre-setting with load sharing as foundation, if described produce congested
During the adjacent node that described 2nd Diameter node is a described Diameter node responded, described
Oneth Diameter node obtains the number of described congested response and adjusts to described 2nd Diameter node
Transmission message ratio step in adjust the step of transmission message ratio to described 2nd Diameter node
Suddenly include:
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains congested number of responses without departing from described congested response
During the described pre-determined threshold of number, a described Diameter node does not carry out routing switch to the described 3rd
Diameter node transmits message, and a described Diameter node dynamically adjusts to described second
The number of the transmission message of Diameter node is less than to the transmission message of described 3rd Diameter node
Number.
Processing method the most according to claim 1, it is characterised in that at described 3rd Diameter
When the link of node connects the link connection priority level that priority level is less than described 2nd Diameter node,
If the described phase that described 2nd Diameter node is a described Diameter node producing congested response
During neighbors, a described Diameter node obtains the number of described congested response and adjusts to described the
The step of the transmission message ratio of two Diameter nodes adjusts sending out to described 2nd Diameter node
The step sending message ratio includes:
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains congested number of responses without departing from described congested response
During the described pre-determined threshold of number, a described Diameter node does not carry out routing switch to the described 3rd
Diameter node transmission message, and a described Diameter node reduction is to described 2nd Diameter
The number of the transmission message of node.
4. according to the processing method described in any one of claim 1 or 2, it is characterised in that produce if described
When giving birth to the adjacent node that described 2nd Diameter node is a described Diameter node of congested response,
A described Diameter node obtains the number of described congested response and adjusts to described 2nd Diameter
The transmission message ratio of node, and carry out routing switch when the number of described congested response is beyond pre-determined threshold
Step to described 3rd Diameter node transmission message includes:
According to the identification information of the 2nd Diameter node in described congested response, a described Diameter
Node finds described 2nd Diameter node in adjacent signaling node list, and the most described second
Diameter node is the adjacent node of a described Diameter node；
After the adjacent node that described 2nd Diameter node is a described Diameter node, described
Oneth Diameter node obtains the number of described congested response and adjusts to described 2nd Diameter node
Transmission message ratio, and described congested response number beyond pre-determined threshold time carry out routing switch to institute
Stating the 3rd Diameter node transmission message and carry out timing, wherein said adjacent signaling node list is pre-
First store the identification information of the adjacent node of a described Diameter node.
Processing method the most according to claim 4, it is characterised in that described at described 2nd Diameter
When node is the adjacent node of a described Diameter node, a described Diameter node obtains institute
State the number of congested response and adjust the transmission message ratio to described 2nd Diameter node, and in institute
Carry out routing switch when stating the number of congested response beyond pre-determined threshold to pass to the most described 3rd Diameter node
Pass message and carry out timing step after, described processing method also includes:
After timing time reaches Preset Time, described in a described Diameter node control first
Diameter node is refunded to described 2nd Diameter node biography from described 3rd Diameter node-routing
Pass message.
Processing method the most according to claim 1, it is characterised in that produce congested response if described
The nonneighbor node that described 2nd Diameter node is a described Diameter node time, described
One Diameter node does not carry out the step of routing switch and includes:
According to the identification information of the 2nd Diameter node in described congested response, a described Diameter
Node does not finds described 2nd Diameter node in adjacent signaling node list, and the most described second
Diameter node is the nonneighbor node of a described Diameter node, a described Diameter joint
Point does not carry out routing switch and does not carry out timing, and wherein said adjacent signaling node list is described for prestoring
The identification information of the adjacent node of the oneth Diameter node.
7. a processing means for the congested response of Diameter, be applied to Diameter route agent node and
/ or Diameter signaling node, it is characterised in that described processing means includes:
Receiver module, receives, for a Diameter node, the request sending Diameter source node and disappears
Breath carries out the congested response of errored response, and wherein said congested response carries and produces the second of congested response
The identification information of Diameter node；
Judging treatmenting module, if the described 2nd Diameter node for producing congested response is described the
During the nonneighbor node of one Diameter node, a described Diameter node does not carry out routing switch；
Or
If producing the phase that described 2nd Diameter node is a described Diameter node of congested response
During neighbors, a described Diameter node obtains the number of described congested response and adjusts described second
The message ratio of Diameter node, and route when the number of described congested response is beyond pre-determined threshold
Switching to the 3rd Diameter node transmission message, the link of wherein said 3rd Diameter node connects
Priority level connects priority level or the described 3rd less than the link of described 2nd Diameter node
Diameter node is the multiple Diameter node of pre-setting with load sharing as foundation.
Processing means the most according to claim 7, it is characterised in that at described 3rd Diameter
When node is the multiple Diameter node of pre-setting with load sharing as foundation, described judgement processes mould
Block includes:
First judges to adjust submodule, if for producing the described 2nd Diameter node of congested response being
During the adjacent node of a described Diameter node, a described Diameter node obtains congested response
When number is without departing from the described pre-determined threshold of the number of described congested response, a described Diameter node
Do not carry out routing switch to described 3rd Diameter node and transmit message, and a described Diameter joint
Point dynamically adjusts the number of the transmission message to described 2nd Diameter node less than to the described 3rd
The number of the transmission message of Diameter node.
Processing means the most according to claim 7, it is characterised in that at described 3rd Diameter
When the link of node connects the link connection priority level that priority level is less than described 2nd Diameter node,
Described judging treatmenting module includes:
Second judges to adjust submodule, if for producing the described 2nd Diameter node of congested response being
During the adjacent node of a described Diameter node, a described Diameter node obtains congested response
When number is without departing from the described pre-determined threshold of the number of described congested response, a described Diameter node
Do not carry out routing switch to described 3rd Diameter node and transmit message, and a described Diameter joint
Point reduces the number of the transmission message to described 2nd Diameter node.
10. according to the processing means described in any one of claim 7 or 8, it is characterised in that described judgement
Processing module also includes:
First judges submodule, for the mark according to the 2nd Diameter node in described congested response
Information, a described Diameter node finds described 2nd Diameter in adjacent signaling node list
Node, the most described 2nd Diameter node is the adjacent node of a described Diameter node；
Processing submodule, being used at described 2nd Diameter node is a described Diameter node
After adjacent node, a described Diameter node obtains the number of described congested response and adjusts to described
The transmission message ratio of the 2nd Diameter node, and at the number of described congested response beyond pre-determined threshold
Shi Jinhang routing switch is to described 3rd Diameter node transmission message and carries out timing, wherein said phase
Adjacent signaling node list is the identification information of the adjacent node prestoring a described Diameter node.
11. processing meanss according to claim 10, it is characterised in that described processing means is also wrapped
Include:
Control to refund module, be used for after timing time reaches Preset Time, a described Diameter
A Diameter node described in node control is refunded to described from described 3rd Diameter node-routing
Two Diameter node transmission message.
12. processing meanss according to claim 7, it is characterised in that described judging treatmenting module bag
Include:
Second judges submodule, for the mark according to the 2nd Diameter node in described congested response
Information, a described Diameter node does not finds described second in adjacent signaling node list
Diameter node, the most described 2nd Diameter node is the non-adjacent of a described Diameter node
Node, a described Diameter node does not carry out routing switch and does not carry out timing, wherein said adjacent
Signaling node list is the identification information of the adjacent node prestoring a described Diameter node.
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| CN109257397A (en) * | 2017-07-12 | 2019-01-22 | 中国移动通信集团公司 | A kind of processing method and processing device of request message |
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