CN101567881B - Dynamic processing method and device for SCTP signaling connection - Google Patents

Dynamic processing method and device for SCTP signaling connection Download PDF

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CN101567881B
CN101567881B CN2008101046666A CN200810104666A CN101567881B CN 101567881 B CN101567881 B CN 101567881B CN 2008101046666 A CN2008101046666 A CN 2008101046666A CN 200810104666 A CN200810104666 A CN 200810104666A CN 101567881 B CN101567881 B CN 101567881B
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signaling
sctp
connects
sctp signaling
node
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CN101567881A (en
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陈旭
彭晋
赵毓毅
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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Abstract

The invention discloses a dynamic processing method and a device for SCTP signaling connection. The method comprises that: after a signaling node establishes the SCTP signaling connection, the currentSCTP signaling connection capacity of the node is counted; when the capacity reaches a set capacity threshold, the current state and a history state of the configured SCTP signaling connection of the node are inquired; when the duration of the idle state of the current SCTP signaling connection in the idle state is judged according to a query result to exceed a set time threshold, the SCTP signal ing connection is closed, and the SCTP signaling connection can be further deleted; and when the duration of the closing state of the current SCTP signaling connection in the closing state is judged according to the query result to exceed the set time threshold, the SCTP signaling connection is deleted. The method and the device can selectively close the signaling connection according to a certaincondition so as to better meet the requirement of real time of the service and reduce the workload of network maintenance.

Description

Method for dynamically processing and device thereof that the SCTP signaling connects
Technical field
The present invention relates to the communications field, relate in particular to method for dynamically processing and device thereof that SCTP connects.
Background technology
In in the past 20 years; Transmission Control Protocol (transmission control protocol) provides many application services in the conventional I ntemet net on transport network layer; But along with the multi-serviceization of IP network, the especially professional development of VoIP (IP-based audio call), Transmission Control Protocol also exposes a lot of limitation.Therefore, the signaling of IETF transmission working group (SIGTRAN) has formulated the new Stream Control Transmission Protocol towards multimedia communication (SCTP), is used for transmission circuit exchange of signaling message on connectionless IP network, promptly usually said No.7over IP.
SCTP is a kind of new IP transportation protocol, is in same one deck with TCP, UDP (UDP).SCTP is a unicast protocol, supports the exchanges data between two end points.The agreement that the SCTP transport-layer protocols adopts " coupling " to define between two reciprocity SCTP endpoint of exchange message connects.SCTP adopts connection-oriented mechanism; The relation between two end points of SCTP that means transmits foundation prior to data; And the relation between two end points of this SCTP will be consistent to all data transmission completion; Adopt zero defect, non-ly duplicate, sequenced user data transmits, and adopts full duplex mode, thereby reliable transfer of data is provided.Compare with TCP, SCTP is message-oriented, support separate message is delimited, and TCP is bit-oriented, in the bit stream that transmits, does not preserve any indefinite structure with as enhancing; SCTP is the same with TCP to be that speed is adaptable, can transmit according to current network load condition adjustment data.Therefore, SCTP has more advantage than TCP in data transmission.
SCTP also has multithread property and many belongingnesses characteristics.So-called many belongingnesses are meant that a SCTP endpoint supports a plurality of IP address, and many belongingnesses can be realized the fault-tolerant of network level.When the SCTP transfer data packets was given the purpose end points, if the IP address of this end points is inaccessible, SCTP can give the message heavy-route IP address that replaces of this end points, like this, at an end even the two ends of association, tolerable network level mistake.
SCTP also is connection-oriented, but conceptive, the connection of SCTP connects more extensive than TCP: the connection of TCP has only being connected of a source address and a destination address; SCTP then provides a kind of support to many belongingnesses mode, makes each SCTP endpoint one group of transport address to be provided for another peer end point, in the address structure sketch map of the SCTP endpoint that provides like Fig. 1; The transport address of SCTP endpoint is one group of IP address (IP1; IP2, IP3 IP4...) adds a SCTP port numbers.
Can adopt Stream Control Transmission Protocol transmitting control signaling in the communication network of IPization (like the IMS network), with efficient and the reliability that guarantees that signaling transmits.
In the IMS network, the SCTP signaling connects and can adopt dynamic foundation and close or staticly set up and close dual mode.Dynamically set up and be meant to transmit with the mode of closing and set up signaling and is connected, transmit in each signaling and closing the signaling connection after finishing, dynamically set up to need not signaling is connected and be configured management with the mode of closing to signaling.Static set up identical with the mode of closing with the mode of closing with Circuit Switching Network signaling link foundation; Be meant that setting up signaling to an office direction connects; And remain state of activation; After signaling transmits end, do not close signaling at every turn and connect, be in idle condition in the signaling connection and do not close the signaling connection yet.Static state is set up and the mode of closing needs static configuration to manage, and promptly create signaling and connect by manual type, relative address, the port numbers data of configuration signal connection, and by the connection of manual type deletion signaling.
In the prior art, there is following problem in the dynamic foundation that the SCTP signaling connects with the mode of closing: close signaling automatically after each signaling transmits and finishes and be connected, can not satisfy the real-time requirement of voice service well.
In the prior art; The static state that the SCTP signaling connects is set up and is had following problem with the mode of closing: do not close signaling after each signaling transmits and be connected; The signaling number of connection that need offer when a node more for a long time; The signaling of individual node and whole network connects the data maintenance management and becomes very complicated, and signaling connects the signaling connection capacity that number of configured possibly exceed a node.
To sum up, SCTP signaling connection foundation of the prior art and the mode of closing can not be taken into account static set up and close mode and the advantage of dynamically setting up and closing mode.
Summary of the invention
Method for dynamically processing and device thereof that embodiments of the invention provide a kind of SCTP signaling to connect connect to close signaling immediately after each signaling transmission finishes in the solution prior art, can not satisfy the problem of the real-time requirement of voice service.
Said method comprising the steps of:
Signaling node is added up the current SCTP signaling connection capacity of said signaling node after creating the connection of SCTP signaling;
When the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting, inquire about current state and historic state that SCTP signaling that said signaling node disposed connects;
When the SCTP signaling of judging current idle condition according to Query Result connects the duration be in idle condition when surpassing the setting-up time threshold value, the SCTP signaling of closing this idle condition connects.
Said device comprises:
The oam module, the SCTP signaling that is used to write down signaling node connects data and historical state data thereof;
Signaling processing module is used for creating and closes the SCTP signaling and be connected;
Signaling connects the dynamic-configuration module; Be used for after creating the connection of SCTP signaling; Add up current SCTP signaling connection capacity; When the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting; Inquire about current state and historic state that the SCTP signaling of said signaling node connects, when the SCTP signaling of judging current idle condition according to Query Result connects the duration that is in idle condition when surpassing the setting-up time threshold value, the SCTP signaling of asking said signaling processing module to close this idle condition connects.
In the above embodiment of the present invention, after signaling node is created the connection of SCTP signaling, add up the current SCTP signaling connection capacity of this signaling node; At this capacity during near the maximum signaling connection capacity of this signaling node; According to the historic state that the SCTP signaling of this signaling node record connects, judge when idle condition duration that the SCTP signaling of current idle condition connects reaches certain-length, it is closed; Compare with the mode of closing with the dynamic foundation of prior art; Can selectively close signaling according to certain condition and connect, need not each signaling and close signaling immediately after transmitting and connect, when signaling node carries speech business that real-time has relatively high expectations etc. when professional; Can reduce and create new signaling and connect the time delay that is caused, thus the real-time requirement of the business that guarantees real-time to be had relatively high expectations like voice service etc.
Method for dynamically processing and device thereof that embodiments of the invention also provide another kind of SCTP signaling to connect connect to close signaling immediately after each signaling transmission finishes in the solution prior art, can not satisfy the problem of the real-time requirement of voice service.
Said method comprising the steps of:
Signaling node is added up the current SCTP signaling connection capacity of said signaling node after creating the connection of SCTP signaling;
When the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting, inquire about current state and historic state that SCTP signaling that said signaling node disposed connects;
When the SCTP signaling of judging current closed condition according to Query Result connects the duration be in corresponding state when surpassing the respective threshold of setting, the SCTP signaling of deleting this closed condition connects.
Said device comprises:
The oam module, the SCTP signaling that is used to write down signaling node connects data and historical state data thereof;
Signaling processing module is used for creating and closes the SCTP signaling and be connected;
Signaling connects the dynamic-configuration module; Be used for after creating the connection of SCTP signaling; Add up current SCTP signaling connection capacity, when the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting, inquire about current state and historic state that the SCTP signaling of said signaling node connects; When the SCTP signaling of judging current closed condition according to Query Result connects the duration be in closed condition when surpassing the respective threshold of setting, the SCTP signaling of deleting this closed condition connects.
In the above embodiment of the present invention; After signaling node is created the connection of SCTP signaling; Add up the current SCTP signaling connection capacity of this signaling node, at this capacity during near the maximum signaling connection capacity of this signaling node, the historic state that connects according to the SCTP signaling of this signaling node record; Judge when idle condition duration that current SCTP signaling of closing connects reaches certain-length; With its deletion, compare with the mode of closing with the dynamic foundation of prior art, can selectively close signaling according to certain condition and connect; Need not each signaling and close signaling immediately after transmitting and connect, thus the real-time requirement of the business that guarantees real-time to be had relatively high expectations like voice service etc.; On the other hand, compare, can avoid the signaling number of connection to exceed the capacity of signaling node, and can reduce the maintenance that signaling connects with the static configuration mode of prior art.
Method for dynamically processing and device thereof that embodiments of the invention also provide another SCTP signaling to connect connect the big problem that also might exceed the signaling node capacity of collocation method network operation amount to solve existing signaling.
Said method comprising the steps of:
Signaling node is inquired about the historic state that pent SCTP signaling connects after closing the connection of SCTP signaling according to SCTP coupling turn-off request;
When judging that according to Query Result pent SCTP signaling is connected the duration that is in idle condition before being closed and is in idle condition and it is deleted when surpassing setting threshold.
Said device comprises:
The oam module, the SCTP signaling that is used to write down signaling node connects data and historical state data thereof;
Signaling processing module is used to close the SCTP signaling and connects;
Signaling connects the dynamic-configuration module; Be used for closing the historic state that the pent SCTP signaling of SCTP signaling connection back inquiry connects according to SCTP coupling turn-off request; When judging that according to Query Result said pent SCTP signaling is connected the duration that is in idle condition before being closed and is in idle condition when surpassing setting threshold, deletes this SCTP signaling that is closed state and connects.
In the above embodiment of the present invention; After signaling node is closed the connection of SCTP signaling; According to the historic state that the SCTP signaling of this signaling node record connects, judge when this signaling is connected the idle condition that is in certain hour length before closing it is deleted, on the one hand; Compare with the mode of closing with the dynamic foundation of prior art; When signaling node carries speech business that real-time has relatively high expectations etc. when professional, can according to certain condition selectively the buttoned-up signaling of deletion connect, thereby the real-time requirement of the business that guarantees real-time to be had relatively high expectations like voice service etc.; On the other hand, compare, can avoid the signaling number of connection to exceed the capacity of signaling node, and can reduce the maintenance that signaling connects with the static configuration mode of prior art.
Description of drawings
Fig. 1 is the address structure sketch map of SCTP endpoint in the prior art;
Fig. 2 is the schematic flow sheet of the SCTP signaling connection status monitoring in the embodiment of the invention;
Fig. 3 is the dynamic closing flow path sketch map that the SCTP signaling of the embodiment of the invention one connects;
Fig. 4 is the structural representation that the SCTP signaling of the embodiment of the invention one connects dynamic treatment device;
Fig. 5 dynamically closes and deletes schematic flow sheet for what the SCTP signaling of the embodiment of the invention two connected;
Fig. 6 is the dynamic treatment device structural representation that the SCTP signaling of the embodiment of the invention two connects;
Fig. 7 dynamically closes and deletes sketch map for what the SCTP signaling of the embodiment of the invention three connected;
Fig. 8 is the dynamic treatment device structural representation that the SCTP signaling of the embodiment of the invention three connects;
Fig. 9 is the dynamic deletion schematic flow sheet that the SCTP signaling of the embodiment of the invention four connects;
Figure 10 is the structural representation that the SCTP signaling of the embodiment of the invention four connects dynamic treatment device.
Embodiment
The embodiment of the invention is dynamically closed or is deleted the SCTP signaling and connect through connect the historic state record of (also claiming the SCTP coupling) according to the SCTP signaling, reduces the network operation workload when guaranteeing data transfer reliability thereby be implemented in.
The embodiment of the invention all realizes the dynamic-configuration to the connection of SCTP signaling based on the historic state record that the SCTP signaling connects.The historic state record that the SCTP signaling connects can form through SCTP signaling connection status testing process as shown in Figure 2.
Referring to Fig. 2, be the schematic flow sheet of the monitoring of the SCTP signaling connection status in the embodiment of the invention, concrete steps comprise:
Step 201, signaling node (for adopting the signaling node equipment of Stream Control Transmission Protocol, being called for short signaling node here in the embodiment of the invention) connect the state that current signaling connects in the table according to the SCTP signaling of this signaling node of time interval inquiry of time of setting or setting.
SCTP signaling connection table is preserved in signaling node this locality, and this table disposes the current SCTP signaling of this signaling node and connects data, as, the address of this signaling node and signaling peer end of the connection is right.
Step 202, each SCTP signaling of signaling node record are connected each inquiry state constantly; Like activation, free time or closed condition; And each inquiry time constantly of corresponding record; That is,, thereby form the historic state record that the SCTP signaling connects for the state that each signaling that writes down connects is stamped time mark.
Below in conjunction with accompanying drawing, connection is described in detail to dynamic-configuration SCTP signaling with four embodiment.
Embodiment one
After present embodiment has been described in the IMS network signaling node and set up signaling and connect, close the process that signaling connects based on the historic state record that the SCTP signaling connects.
Referring to Fig. 3, the dynamic closing flow path sketch map for the SCTP signaling of the embodiment of the invention one connects may further comprise the steps:
Step 301, signaling node are set up the SCTP signaling with the opposite end and are connected, and connect this newly-established SCTP signaling connection data of increase in the table in the SCTP of this signaling node signaling.
Same prior art, the establishment that the SCTP signaling connects can trigger through following dual mode:
(1) signaling node detects the SCTP signaling connection of initiating the opposite end and sets up request; As by the SCTP that receives is analyzed; Detect this SCTP grouping and whether be signaling and connect and set up request message, and detect the SCTP signaling connect set up request message after, set up signaling with the opposite end and be connected;
(2) signaling node receives the SCTP signaling connection foundation request on upper strata (application layer), connects foundation to opposite end transmission SCTP signaling then and asks, and sets up signaling with the opposite end and is connected.
After setting up the signaling connection, when signaling node does not inquire identical signaling connection data in the SCTP of its preservation signaling connection table, the data that this newly-built signaling connects are added in the SCTP signaling connection table.
The SCTP signaling of step 302, its preservation of signaling node inquiry connects table, and adds up the current SCTP signaling connection capacity of this signaling node, like the quantity of current SCTP signaling connection.
Step 303, signaling node are judged the maximum SCTP signaling the connection capacity whether current SCTP signaling connection capacity of this node has been supported near this node, if approaching, then execution in step 304, otherwise process ends.
A capacity threshold can be set, and the big I of this threshold value is made as less than the maximum SCTP signaling connection capacity of this signaling node and a numerical value comparatively approaching with this heap(ed) capacity, for example with maximum SCTP signaling connection capacity 80% as capacity threshold.The signaling connection capacity current when signaling node reaches this capacity threshold, promptly thinks maximum SCTP signaling connection capacity near this signaling node.
The current state that the SCTP signaling that step 304, signaling node have disposed according to this node of SCTP signaling connection table inquiry connects, and the historic state that connects according to these SCTP signalings that disposed of historic state record queries that the SCTP signaling connects.
In this step, signaling node is inquired about the current SCTP signaling that is in idle condition and is connected from SCTP signaling connection table, the historic state record that the SCTP signaling of this idle condition of inquiry connects from the historic state record that the SCTP signaling connects.
Step 305, signaling node judge according to Query Result whether this node has the SCTP signaling that is in idle condition for a long time to connect, if having, then execution in step 306; Otherwise, process ends.
As previously mentioned, therefore signaling node can count the SCTP signaling according to this historic state record and connect the duration that is in a certain state according to the state and the record queries time constantly of the SCTP signaling connection of this node of setting-up time real time record.In this step; The current SCTP signaling of idle condition that exists connects if signaling node inquires this node; Then from the historic state record that the SCTP signaling connects, inquire about the idle condition record that this SCTP signaling connects forward from current time; And count this SCTP signaling and connect the duration that is in current idle condition, and reach the time threshold of setting when this duration, then execution in step 306; Otherwise, process ends.
Step 306, signaling node send the request of signaling connection closed to this SCTP signaling peer end of the connection, and the SCTP signaling of closing this idle condition connects, and the state that this signaling connects in the SCTP signaling connection table after closing is set to close.
The realization of above-mentioned flow process can connect the dynamic-configuration module through in node device, increasing signaling, and the status monitoring function that increase SCTP signaling connects in the oam module in node device is realized.Signaling connects the dynamic-configuration module and is responsible for the dynamic-configuration that the SCTP signaling of this node device connects; Carry out alternately with original signaling processing module of node device and oam module; Detect, analyze establishment and deletion demand that the SCTP signaling connects; According to demand SCTP signaling connection table is carried out attended operation, realize the dynamic-configuration process of the SCTP signaling connection of above-mentioned flow process.This signaling connects the dynamic-configuration module and the oam module can be realized by software mode.Above-mentioned node device can comprise CSCF (call session control function module) equipment, HSS (home subscriber servers) equipment etc.The SCTP signaling that Fig. 4 has provided in a kind of node device connects dynamic treatment device.
Referring to Fig. 4, be the SCTP signaling connection dynamic treatment device structural representation of the embodiment of the invention one, this device comprises that signaling processing module 41, oam module 42 are connected dynamic-configuration module 43 with signaling, wherein
Oam module 42 is used for the SCTP signaling connection table of storage and maintenance node device, also is used for the SCTP signaling connection status of this node device of real time record, forms the historic state record that the SCTP signaling connects;
Signaling processing module 41 is used to set up the SCTP signaling and connects, and also is used for closing corresponding SCTP signaling according to the request of signaling connection dynamic-configuration module and connects;
Signaling connects dynamic-configuration module 43, is used for setting up the connection of SCTP signaling and after SCTP signaling connection table increases SCTP signaling connection data, adding up current SCTP signaling connection capacity according to SCTP signaling connection table at signaling processing module 41; When the SCTP signaling connection capacity that obtains in statistics reaches the capacity threshold of setting, current state and historic state that the SCTP signaling that the inquiry signaling node has disposed connects; When the SCTP signaling of judging current idle condition according to Query Result connects the duration be in idle condition when surpassing the setting-up time threshold value, the SCTP signaling that demand signalling processing module 41 is closed this idle condition connects.
Above-mentioned oam module 42 can comprise: signaling connects table submodule 421, historical record submodule 422, and wherein, signaling connection table submodule 421 is used for storage and maintenance SCTP signaling connection table; Historical record submodule 422 is used for the state that connects according to the SCTP signaling that setting-up time inquiry SCTP signaling connection table has disposed; And state and inquiry time constantly that the SCTP signaling that inquires connects carried out record, form the historic state record that the SCTP signaling connects.
Above-mentioned signaling connects dynamic-configuration module 43 and can comprise: capacity statistics submodule 431, status poll submodule 432, judgement submodule 433 and configuration submodule 434, wherein
When signaling processing module 41 is set up the data that a new SCTP signaling connects and this signaling of interpolation connects in SCTP signaling connection table; Capacity statistics submodule 431 inquiry SCTP signaling connection tables are also added up the SCTP signaling connection capacity in this table, the SCTP signaling connection capacity that obtains when statistics reach setting capacity threshold and the time notify status inquire about submodule 432;
Status poll submodule 432 is after the notice of receiving capacity statistics submodule 431; Initiate status query request to oam module 42; Current state and historic state that all SCTP signalings that disposed of requesting query connect, oam module 42 inquire desired data and return to status poll submodule 432 from the historic state record that SCTP signaling connection table is connected with the SCTP signaling respectively; Status poll submodule 432 sends to Query Result judges submodule 433;
Judge that submodule 433 judges that based on Query Result the current SCTP signaling that is in idle condition that whether exists connects; If have the SCTP signaling that is in idle condition to connect and connect the duration that is in idle condition when reaching the time threshold of setting when one of them or a part of SCTP signaling, notice disposes submodule 434;
Configuration submodule 434 is according to the notice of judging submodule 433, and the SCTP signaling that demand signalling processing module 41 is closed this idle condition connects; Signaling processing module 41 is accomplished behind the SCTP signaling connection closeds to return success to configuration submodule 434 and is closed indication information; Configuration submodule 434 receives the state that this SCTP signaling connects in the SCTP signaling connection table behind the indication information that success closes and is set to close.
Can find out through present embodiment; After in the SCTP of signaling node signaling connection table, creating signaling connection data; Add up the current signaling connection capacity of this signaling node and whether reach the signaling connection capacity threshold value of this signaling node,, then connect the historical record of table and SCTP signaling connection status through inquiry SCTP signaling if reach; Find the SCTP signaling that is in idle condition for a long time to connect and it is closed; When signaling node carries speech business that real-time has relatively high expectations etc. when professional, behind each Data Transfer Done, to close the SCTP signaling immediately with prior art and is connected and compares, the embodiment of the invention can connect to come carry voice traffic through the signaling in the activation signaling node; Connect the time delay that is caused reduce to create new signaling, thus the real-time requirement of the business that guarantees real-time to be had relatively high expectations like voice service etc.
Embodiment two
After present embodiment has been described in the IMS network signaling node and is being set up the SCTP signaling and connect, the process that the historic state record deletion SCTP signaling that connects based on the SCTP signaling connects.
Referring to Fig. 5, dynamically close and delete schematic flow sheet for what the SCTP signaling of the embodiment of the invention two connected, may further comprise the steps:
Step 501, signaling node are set up the SCTP signaling with the opposite end and are connected, and connect this newly-established SCTP signaling connection data of increase in the table in the SCTP of this signaling node signaling.
The SCTP signaling of step 502, this node of signaling node inquiry connects table, and adds up the current SCTP signaling connection capacity of this signaling node.
Whether step 503, signaling node judge the current SCTP signaling connection capacity of this node near the maximum SCTP signaling connection capacity of this node, if approaching, then execution in step 504, otherwise process ends.
A capacity threshold can be set, and the big I of this threshold value is made as less than the maximum SCTP signaling connection capacity of this signaling node and a numerical value comparatively approaching with this heap(ed) capacity.The signaling connection capacity current when signaling node reaches this capacity threshold, promptly thinks maximum SCTP signaling connection capacity near this signaling node.
The current state that the SCTP signaling that step 504, signaling node have disposed according to this node of SCTP signaling connection table inquiry connects, and the historic state that connects according to these SCTP signalings that disposed of historic state record queries that the SCTP signaling connects.
In this step, signaling node is inquired about the current SCTP signaling that is in closed condition and is connected from SCTP signaling connection table, the historic state record that the SCTP signaling of these closed conditions of inquiry connects from the historic state record that the SCTP signaling connects.
Step 505, signaling node judge according to Query Result whether this node has the SCTP signaling that is in closed condition for a long time to connect, if having, then execution in step 506; Otherwise, process ends.
As previously mentioned, therefore signaling node can count the SCTP signaling according to this historic state record and connect the duration that is in a certain state according to the state and the record queries time constantly of the SCTP signaling connection of this node of setting-up time real time record.In this step; The current SCTP signaling of closed condition that exists connects if signaling node inquires this node; Then from the historic state record that the SCTP signaling connects, inquire about the closed condition record that this SCTP signaling connects forward from current time; And count this SCTP signaling and connect the duration that is in current closed condition, reach the time threshold of setting when this duration, then execution in step 506; Otherwise, process ends.
Step 506, signaling node connect this closed condition of deletion SCTP signaling connection the table from the SCTP signaling.
In the above-mentioned flow process, in step 504, signaling node can also further be inquired about the current SCTP signaling that is in idle condition and connect from SCTP signaling connection table; In step thereafter; When signaling node reaches the time threshold (this threshold value can be identical or different with above-mentioned steps 505 preset threshold) of setting according to the duration that this node of Query Result judgement has the SCTP signaling of idle condition to connect and this signaling connection is in idle condition; The SCTP signaling of closing this idle condition connects, and after closing this signaling connection, it is deleted from SCTP signaling connection table.
The realization of above-mentioned flow process can connect the dynamic treatment device realization through in node device, increasing the SCTP signaling.
Referring to Fig. 6, for the SCTP signaling of the embodiment of the invention two connects the structural representation of dynamic treatment device, this device comprises: signaling processing module 61, oam module 62 are connected dynamic-configuration module 63 with signaling, wherein
Oam module 62 is used for the SCTP signaling connection table of storage and maintenance node device, also is used for the SCTP signaling connection status of this node device of real time record, forms the historic state record that the SCTP signaling connects;
Signaling processing module 61 is used to set up the SCTP signaling and connects, and also is used for closing corresponding SCTP signaling according to the request of signaling connection dynamic-configuration module 63 and connects;
Signaling connects dynamic-configuration module 63, is used for setting up the connection of SCTP signaling and after SCTP signaling connection table increases SCTP signaling connection data, adding up current SCTP signaling connection capacity according to SCTP signaling connection table at signaling processing module 61; When the SCTP signaling connection capacity that obtains in statistics reaches the capacity threshold of setting, current state and historic state that the SCTP signaling that the inquiry signaling node has disposed connects; When the SCTP signaling of judging current closed condition according to Query Result connects the duration be in closed condition when surpassing the setting-up time threshold value, demand signalling processing module 61 is closed corresponding SCTP signaling and is connected.
Above-mentioned oam module 62 can comprise: signaling connects table submodule 621, historical record submodule 622, and wherein, signaling connection table submodule 621 is used for storage and maintenance SCTP signaling connection table; Historical record submodule 622 is used for the state that connects according to the SCTP signaling that setting-up time inquiry SCTP signaling connection table has disposed; And state and inquiry time constantly that the SCTP signaling that inquires connects carried out record, form the historic state record that the SCTP signaling connects.
Above-mentioned signaling connects dynamic-configuration module 63 and can comprise: capacity statistics submodule 631, status poll submodule 632, judgement submodule 633 and configuration submodule 634, wherein
When signaling processing module 61 is set up the data that a new SCTP signaling connects and this signaling of interpolation connects in SCTP signaling connection table; Capacity statistics submodule 631 inquiry SCTP signaling connection tables are also added up the SCTP signaling connection capacity in this table, the SCTP signaling connection capacity that obtains when statistics reach setting capacity threshold and the time notify status inquire about submodule 632;
Status poll submodule 632 is after the notice of receiving capacity statistics submodule 631; Initiate status query request to oam module 62; Current state and historic state that all SCTP signalings that disposed of requesting query connect, oam module 62 inquire desired data and return to status poll submodule 632 from the historic state record that SCTP signaling connection table is connected with the SCTP signaling respectively; Status poll submodule 632 sends to Query Result judges submodule 633;
Judge that submodule 633 judges that based on Query Result the current SCTP signaling that is in closed condition that whether exists connects; If exist the SCTP signaling that is in idle condition to connect; And one of them or a part of SCTP signaling connect the duration that is in closed condition when reaching the time threshold of setting, and notice configuration submodule 634 this SCTP signalings of deletion connect; This judges that submodule 633 also can be further judge that based on asking the result the current SCTP signaling that is in idle condition that whether exists connects; And notice configuration submodule 634 was closed and was deleted this SCTP signaling and connects when reaching the time threshold of setting the duration that in the signaling that is in idle condition connects one or a part are in idle condition;
Configuration submodule 634 is based on the notice of judging submodule 633, and this SCTP signaling of deletion connects from SCTP signaling connection table, perhaps will delete behind this SCTP signaling connection closed.
Can find out through present embodiment; When connect in the SCTP of signaling node signaling create signaling in the table and connect data after, add up the signaling connection capacity of the maximum whether current signaling connection capacity of this signaling node support near this signaling node, if approaching; Then connect the historic state record that table is connected with the SCTP signaling through inquiry SCTP signaling; Find to be in closed condition for a long time and idle SCTP signaling connects and with its deletion, on the one hand, when signaling node carries speech business that real-time has relatively high expectations etc. when professional; Compare with the mode of closing with the dynamic foundation of prior art; Can close selectively and delete signaling and be connected according to certain condition, create new signaling and connect the time delay that is caused to reduce, thus the real-time requirement of the business that guarantees real-time to be had relatively high expectations like voice service etc.; On the other hand, compare with prior art static configuration mode, the embodiment of the invention can realize the automatic deletion that the SCTP signaling connects, and takies quantity to reduce the signaling connection, avoids the signaling number of connection to surpass the signaling node capacity, and can reduce the maintenance management workload.
Embodiment three
After present embodiment has been described in the IMS network signaling node and is being set up the SCTP signaling and connect, the process that the historic state record deletion SCTP signaling that connects based on the SCTP signaling connects.
Referring to Fig. 7, dynamically close and delete schematic flow sheet for what the SCTP signaling of the embodiment of the invention three connected, specifically comprise step:
Step 701, signaling node are set up the SCTP signaling with the opposite end and are connected, and connect this newly-established SCTP signaling connection data of increase in the table in the SCTP of this SCTP signaling node signaling.
The SCTP signaling of step 702, this node of signaling node inquiry connects table, and adds up the current SCTP signaling connection capacity of this signaling node.
Step 703, SCTP signaling node judge whether the current SCTP signaling connection capacity of this node arrives the capacity threshold of setting (this threshold value can be made as the maximum SCTP signaling connection capacity near this signaling node); If reach; Then execution in step 704, otherwise process ends.
The current state that the SCTP signaling that step 704, signaling node have disposed according to this node of SCTP signaling connection table inquiry connects, and the historic state that connects according to these SCTP signalings that disposed of historic state record queries that the SCTP signaling connects.
In this step, signaling node is inquired about the current SCTP signaling that is in idle condition and is connected the historical record that the SCTP signaling of these idle conditions of inquiry connects from the historical record of SCTP signaling connection status from SCTP signaling connection table.
Step 705, judge that according to Query Result this node has the SCTP signaling of idle condition to connect and this signaling connects the duration that is in current idle condition when reaching preset threshold, execution in step 706 when signaling node; Otherwise, process ends.
Step 706, signaling node are closed this SCTP signaling that is in idle condition connection and after closing, it are deleted from SCTP signaling connection table.
In the above-mentioned flow process, in step 704, signaling node can also further be inquired about the current SCTP signaling that is in closed condition and connect from SCTP signaling connection table; In step thereafter; When signaling node reaches the time threshold (this threshold value can be identical or different with above-mentioned steps 705 preset threshold) of setting according to the duration that this node of Query Result judgement has the SCTP signaling of closed condition to connect and this signaling connection is in closed condition, connect the table this SCTP signaling connection deletion from the SCTP signaling.
The realization of above-mentioned flow process can connect the dynamic treatment device realization through in node device, increasing the SCTP signaling.
Referring to Fig. 8, be the dynamic treatment device structural representation that the SCTP signaling of the embodiment of the invention three connects, this device comprises: signaling processing module 81, oam module 82 are connected dynamic-configuration module 83 with signaling, wherein
Oam module 82 is used for the SCTP signaling connection table of storage and maintenance node device, also is used for the SCTP signaling connection status of this node device of real time record, forms the historic state record that the SCTP signaling connects;
Signaling processing module 81 is used to set up the SCTP signaling and connects, and also is used for closing corresponding SCTP signaling according to the request of signaling connection dynamic-configuration module 83 and connects;
Signaling connects dynamic-configuration module 83, is used for setting up the connection of SCTP signaling and after SCTP signaling connection table increases SCTP signaling connection data, adding up current SCTP signaling connection capacity according to SCTP signaling connection table at signaling processing module 81; When the SCTP signaling connection capacity that obtains in statistics reaches the capacity threshold of setting, current state and historic state that the SCTP signaling that the inquiry signaling node has disposed connects; When the SCTP signaling of judging current idle condition according to Query Result connects the duration be in idle condition when surpassing the setting-up time threshold value, the SCTP signaling that the demand signalling processing module is closed this idle condition connects and it is deleted from SCTP signaling connection table.
Above-mentioned oam module 82 can comprise: signaling connects table submodule 821, historical record submodule 822, and wherein, signaling connection table submodule 821 is used for storage and maintenance SCTP signaling connection table; Historical record submodule 822 is used for the state that connects according to the SCTP signaling that setting-up time inquiry SCTP signaling connection table has disposed; And the state that the SCTP signaling that inquires is connected and the time of current time carry out record, form the historic state record that the SCTP signaling connects.
Above-mentioned signaling connects dynamic-configuration module 83 and can comprise: capacity statistics submodule 831, status poll submodule 832, judgement submodule 833 and configuration submodule 834, wherein
When signaling processing module 81 is set up the data that a new SCTP signaling connects and this signaling of interpolation connects in SCTP signaling connection table; Capacity statistics submodule 831 inquiry SCTP signaling connection tables are also added up the SCTP signaling connection capacity in this table, the SCTP signaling connection capacity that obtains when statistics reach setting capacity threshold and the time notify status inquire about submodule 832;
Status poll submodule 832 is after the notice of receiving capacity statistics submodule 831; Initiate status query request to oam module 82; Current state and historic state that all SCTP signalings that disposed of requesting query connect, 82 of oam moulds inquire desired data and return to status poll submodule 832 from the historic state record that SCTP signaling connection table is connected with the SCTP signaling respectively; Status poll submodule 832 sends to Query Result judges submodule 833;
Notice disposed submodule 834 and closed this SCTP signaling connection when reaching the time threshold of setting the duration that judgement submodule 833 is in the free time according to the current SCTP signaling connection that is in idle condition of Query Result judgement; This judgement submodule 833 also can be further judges that according to asking the result the current SCTP signaling that is in closed condition connects the duration that is in closed condition when reaching the time threshold of setting, and notice configuration submodule 834 this SCTP signalings of deletion connect;
Configuration submodule 834 is according to the notice of judging submodule 833, and with deleting behind the corresponding SCTP signaling connection closed, perhaps this SCTP signaling of deletion connects from SCTP signaling connection table.
Can find out through present embodiment; After in the SCTP of signaling node signaling connection table, creating signaling connection data; Add up the signaling connection capacity of the maximum whether current signaling connection capacity of this signaling node support near this signaling node, if approaching, then connect the historical record of table and SCTP signaling connection status through inquiry SCTP signaling; Find the SCTP signaling that is in idle condition for a long time and closes to connect and with its deletion; Compare with the mode of closing with the dynamic foundation of prior art, can close selectively and delete signaling and be connected according to certain condition, thus the real-time requirement of the business that guarantees real-time to be had relatively high expectations like voice service etc.; On the other hand, compare with the static configuration mode of prior art, this aspect embodiment can realize the automatic deletion that the SCTP signaling connects, and takies quantity to reduce the signaling connection, avoids the signaling number of connection to surpass the signaling node capacity, and can reduce the maintenance management workload.
Embodiment four
Present embodiment has been described in the IMS network node and has been closed the SCTP signaling when connecting, the process that connects based on the historical record deletion SCTP signaling of SCTP signaling connection status.
Referring to Fig. 9, be the dynamic deletion schematic flow sheet that the SCTP signaling of the embodiment of the invention four connects, concrete steps comprise:
Step 901, signaling node are closed corresponding SCTP signaling and are connected according to the signaling connection closed request that receives.
Same prior art, closing that the SCTP signaling connects can trigger through following dual mode:
(1) signaling node detects through the SCTP that receives is analyzed whether this SCTP grouping is signaling connection closed request message, and after detecting SCTP signaling connection closed request message, closes corresponding signaling connection;
(2) signaling node receives the SCTP signaling connection closed request on upper strata (application layer), and closes corresponding signaling connection.
The historic state record that the SCTP signaling of step 902, this node of signaling node inquiry connects;
Step 903, judge according to Query Result when signaling node that this SCTP signaling is connected and be in idle condition before closing, and duration that is in idle condition when reaching preset threshold, execution in step 904; Otherwise, process ends.
Step 904, signaling node connect this SCTP signaling from the SCTP signaling and connect deletion the table.
The realization of above-mentioned flow process can connect the dynamic treatment device realization through in node device, increasing the SCTP signaling.
Referring to Figure 10, be the SCTP signaling connection dynamic treatment device structural representation of the embodiment of the invention four, this device comprises: signaling processing module 101, oam module 102 are connected dynamic-configuration module 103 with signaling, wherein
Oam module 102 is used for the SCTP signaling connection table of storage and maintenance node device, and the SCTP signaling connection status of this node device of real time record, forms the historic state record that the SCTP signaling connects;
Signaling processing module 101 is used to close the SCTP signaling and connects;
Signaling connects dynamic-configuration module 103, is used for after signaling processing module 101 is closed the connection of SCTP signaling the historic state record that inquiry SCTP signaling connects; When judging that according to Query Result this pent SCTP signaling is connected the duration that is in idle condition before closing and is in idle condition when surpassing the setting-up time threshold value, connects deletion the table with it from the SCTP signaling.
Above-mentioned oam module 102 can comprise: signaling connects table submodule 1021, historical record submodule 1022, and wherein, signaling connection table submodule 1021 is used for storage and maintenance SCTP signaling connection table; Historical record submodule 1022 is used for the state that connects according to the SCTP signaling that setting-up time inquiry SCTP signaling connection table has disposed; And the state that the SCTP signaling that inquires is connected and the time of current time carry out record, form the historic state record that the SCTP signaling connects.
Above-mentioned signaling connects dynamic-configuration module 103 and can comprise: status poll submodule 1031, judgement submodule 1032 and configuration submodule 1033, wherein
When signaling processing module 101 is closed a SCTP signaling connection, obtain this pent SCTP signaling and connect data, and send to status poll submodule 1031; Status poll submodule 1031 is initiated status query request to oam module 102; The historical record that this pent SCTP signaling of requesting query connects, oam module 102 inquires the historical record of this SCTP signaling connection and returns to status poll submodule 1031 from the historic state record that the SCTP signaling connects; Status poll submodule 1031 sends to Query Result judges submodule 1032;
Judge that submodule 1032 judges according to Query Result that this SCTP signaling is connected and be in idle condition before being closed and be in the idle duration when reaching the time threshold of setting, notice configuration submodule 1033;
Configuration submodule 1033 is based on the notice of judging submodule 1032, and the related data that this SCTP signaling is connected connects deletion the table from the SCTP signaling.
Can find out through present embodiment; After the SCTP signaling of closing signaling node connects; The historic state record that connects through inquiry SCTP signaling judges that this SCTP signaling is connected the duration that is in idle condition before being closed and is in idle condition and deletes this SCTP signaling when reaching setting threshold and connect; Need manual deletion SCTP signaling to be connected with prior art and compare, can realize the automatic deletion that the SCTP signaling connects, take quantity to reduce the signaling connection; Avoid the signaling number of connection to surpass the signaling node capacity, and can reduce the maintenance management workload.
The foregoing description one to embodiment four is an example with the signaling node in the IMS network respectively; Dynamically closing and delete procedure that the SCTP signaling connects described; In using other type network (like the R4 network) of Stream Control Transmission Protocol, the SCTP signaling connects dynamically close with delete procedure similarly.
The signaling connection dynamic-configuration module of the above embodiment of the present invention through increasing, and the function realization of the historic state record that increase record signaling connects in original oam module, the transformation amount is little, is easy to realization.And, because original operation maintenance management module is connected the functional module that the dynamic-configuration module all belongs to the maintenance management class with newly-increased signaling, in these modules, implements status monitoring, table look-up and adjudicate, do not influence joint behavior.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.

Claims (18)

1. the method for dynamically processing that SCTP SCTP signaling connects is characterized in that, may further comprise the steps:
Signaling node is added up the current SCTP signaling connection capacity of said signaling node after creating the connection of SCTP signaling;
When the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting, inquire about current state and historic state that SCTP signaling that said signaling node disposed connects;
When the SCTP signaling of judging current idle condition according to Query Result connects the duration be in idle condition when surpassing the setting-up time threshold value, the SCTP signaling of closing this idle condition connects.
2. the method for claim 1 is characterized in that, the formation of the historic state that the SCTP signaling connects comprises step:
Said signaling node is inquired about the state of the SCTP signaling connection of having disposed in the SCTP signaling connection table of said signaling node according to setting-up time;
Said signaling node record queries is each SCTP signaling state and the inquiry time constantly that connect constantly, forms the historic state record that the SCTP signaling of said signaling node connects.
3. the method for claim 1 is characterized in that, the SCTP signaling of closing said idle condition connects and also comprises step afterwards: the SCTP signaling of deleting pent said idle condition connects.
4. like claim 1 or 3 described methods, it is characterized in that, also comprise step:
When the SCTP signaling of judging current closed condition according to Query Result connects the duration be in closed condition when surpassing the respective threshold of setting, the SCTP signaling of deleting this closed condition connects.
5. the method for dynamically processing that the SCTP signaling connects is characterized in that, may further comprise the steps:
Signaling node is added up the current SCTP signaling connection capacity of said signaling node after creating the connection of SCTP signaling;
When the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting, inquire about current state and historic state that SCTP signaling that said signaling node disposed connects;
When the SCTP signaling of judging current closed condition according to Query Result connects the duration be in closed condition when surpassing the respective threshold of setting, the SCTP signaling of deleting this closed condition connects.
6. method as claimed in claim 5 is characterized in that, the formation of the historic state that the SCTP signaling connects comprises step:
Said signaling node is inquired about the state of the SCTP signaling connection of having disposed in the SCTP signaling connection table of said signaling node according to setting-up time;
Said signaling node record queries is each SCTP signaling state and the inquiry time constantly that connect constantly, forms the historic state record that the SCTP signaling of said signaling node connects.
7. the method for dynamically processing that the SCTP signaling connects is characterized in that, may further comprise the steps:
The turn-off request that signaling node connects according to the SCTP signaling is inquired about the historic state that pent SCTP signaling connects after closing the connection of SCTP signaling;
When judging that according to Query Result pent SCTP signaling is connected the duration that is in idle condition before being closed and is in idle condition and it is deleted when surpassing setting threshold.
8. method as claimed in claim 7 is characterized in that, the formation of the historic state that the SCTP signaling connects comprises step:
Said signaling node is inquired about the state of the SCTP signaling connection of having disposed in the SCTP signaling connection table of said signaling node according to setting-up time;
Said signaling node record queries is each SCTP signaling state and the inquiry time constantly that connect constantly, forms the historic state record that the SCTP signaling of said signaling node connects.
9. a SCTP signaling connects dynamic treatment device, it is characterized in that, comprising:
The oam module, the SCTP signaling that is used to write down signaling node connects data and historical state data thereof;
Signaling processing module is used for creating and closes the SCTP signaling and be connected;
Signaling connects the dynamic-configuration module; Be used for after creating the connection of SCTP signaling; Add up current SCTP signaling connection capacity; When the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting; Inquire about current state and historic state that the SCTP signaling of said signaling node connects, when the SCTP signaling of judging current idle condition according to Query Result connects the duration that is in idle condition when surpassing the setting-up time threshold value, the SCTP signaling of asking said signaling processing module to close this idle condition connects.
10. SCTP signaling as claimed in claim 9 connects dynamic treatment device, it is characterized in that said oam module comprises:
Signaling connects the table submodule, and being used for stored record has the SCTP signaling to connect the SCTP signaling connection table of data;
The historical record submodule is used for inquiring about said SCTP signaling connection table according to setting-up time, and the state and the inquiry time constantly of record queries each SCTP signaling connection constantly, forms the historic state record that said SCTP signaling connects.
11. SCTP signaling as claimed in claim 9 connects dynamic treatment device, it is characterized in that, said signaling connects the dynamic-configuration module and comprises: capacity statistics submodule, status poll submodule, judgement submodule and configuration submodule, wherein
Capacity statistics submodule is used to the SCTP signaling connection capacity of adding up current;
The status poll submodule is used for when the SCTP signaling connection capacity that obtains of statistics reaches the capacity threshold of setting, inquires about current state and historic state that the SCTP signaling of said signaling node connects;
Judge submodule, be used for when the SCTP signaling of judging current idle condition according to Query Result connect the duration that is in idle condition when surpassing the setting-up time threshold value notice dispose submodule;
The configuration submodule is used for according to said notice, and the SCTP signaling of asking said signaling processing module to close this idle condition connects.
12. SCTP signaling as claimed in claim 11 connects dynamic treatment device; It is characterized in that; Said configuration submodule is further used for, and after the said signaling processing module of request was closed the SCTP signaling connection of said idle condition, the SCTP signaling of deleting pent said idle condition connected.
13. a SCTP signaling connects dynamic treatment device, it is characterized in that, comprising:
The oam module, the SCTP signaling that is used to write down signaling node connects data and historical state data thereof;
Signaling processing module is used for creating and closes the SCTP signaling and be connected;
Signaling connects the dynamic-configuration module; Be used for after creating the connection of SCTP signaling; Add up current SCTP signaling connection capacity, when the signaling connection capacity that obtains when statistics reaches the capacity threshold of setting, inquire about current state and historic state that the SCTP signaling of said signaling node connects; When the SCTP signaling of judging current closed condition according to Query Result connects the duration be in closed condition when surpassing the respective threshold of setting, the SCTP signaling of deleting this closed condition connects.
14. SCTP signaling as claimed in claim 13 connects dynamic treatment device, it is characterized in that said oam module comprises:
Signaling connects the table submodule, and being used for stored record has the SCTP signaling to connect the SCTP signaling connection table of data;
The historical record submodule is used for inquiring about said SCTP signaling connection table according to setting-up time, and the state and the inquiry time constantly of record queries each SCTP signaling connection constantly, forms the historic state record that said SCTP signaling connects.
15. SCTP signaling as claimed in claim 13 connects dynamic treatment device, it is characterized in that, said signaling connects the dynamic-configuration module and comprises: capacity statistics submodule, status poll submodule, judgement submodule and configuration submodule, wherein
Capacity statistics submodule is used to the SCTP signaling connection capacity of adding up current;
The status poll submodule is used for when the SCTP signaling connection capacity that obtains of statistics reaches the capacity threshold of setting, inquires about current state and historic state that SCTP signaling that said signaling node disposed connects;
Judge submodule, be used for connecting the duration that is in closed condition when surpassing the respective threshold of setting that notice disposes submodule when the SCTP signaling of judging current closed condition according to Query Result;
The configuration submodule is used for according to said notice, and the SCTP signaling of deleting said closed condition connects.
16. a SCTP signaling connects dynamic treatment device, it is characterized in that, comprising:
The oam module, the SCTP signaling that is used to write down signaling node connects data and historical state data thereof;
Signaling processing module is used to close the SCTP signaling and connects;
Signaling connects the dynamic-configuration module; Be used for the historic state that the pent SCTP signaling of inquiry connects after the connection of SCTP signaling is closed in request according to SCTP signaling connection closed; When judging that according to Query Result said pent SCTP signaling is connected the duration that is in idle condition before being closed and is in idle condition when surpassing setting threshold, deletes this SCTP signaling that is closed state and connects.
17. SCTP signaling as claimed in claim 16 connects dynamic treatment device, it is characterized in that said oam module comprises:
Signaling connects the table submodule, and being used for stored record has the SCTP signaling to connect the SCTP signaling connection table of data;
The historical record submodule is used for inquiring about said SCTP signaling connection table according to setting-up time, and the state and the inquiry time constantly of record queries each SCTP signaling connection constantly, forms the historic state record that said SCTP signaling connects.
18. SCTP signaling as claimed in claim 16 connects dynamic treatment device, it is characterized in that, said signaling connects the dynamic-configuration module and comprises: status poll submodule, judgement submodule and configuration submodule;
Said status poll submodule is used for after closing the connection of SCTP signaling, inquiring about the historic state that pent signaling connects;
Said judgement submodule is used for when judging that according to Query Result said pent SCTP signaling is connected the duration that is in idle condition before being closed and is in idle condition when surpassing preset threshold, notice configuration submodule;
Said configuration submodule is used for according to said notice, deletes said pent SCTP signaling and connects.
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