CN106612563A - Method and device for establishing SCTP (Stream Control Transport Protocol) link between network nodes - Google Patents
Method and device for establishing SCTP (Stream Control Transport Protocol) link between network nodes Download PDFInfo
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- CN106612563A CN106612563A CN201510703736.XA CN201510703736A CN106612563A CN 106612563 A CN106612563 A CN 106612563A CN 201510703736 A CN201510703736 A CN 201510703736A CN 106612563 A CN106612563 A CN 106612563A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/326—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the transport layer [OSI layer 4]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The invention discloses a method and a device for establishing an SCTP (Stream Control Transport Protocol) link between network nodes. The method and the device are used for realizing more flexible selection for a mode of establishing the SCTP link in different application scenarios, and reduce the workload and the complexity of network configuration adjustment. The method for establishing an SCTP link between the network nodes comprises the steps that a first node determines a mode for establishing an SCTP link with a second node; and the first node adopts the mode to initiate an SCTP link establishment process with the second node, wherein the adopted mode is one of the following modes: mode I, the first node establishes an SCTP link with the second node according to configuration information of the second node; and mode II, the first node establishing an SCTP link with the second node according to local configuration information.
Description
Technical field
The present invention relates to set up the side of SCTP links between communication technical field, more particularly to a kind of network node
Method and device.
Background technology
SCTP (Stream Control Transport Protocol, SCTP) is designed primarily for
PSTN (Public Switched Telephone are transmitted by IP (Internet Protocol, Internet Protocol) net
Network, public switch telephone network) signaling message.SCTP and UDP (User Datagram Protocol,
UDP) and TCP (Transfer Control Protocol, transmit control protocol) belong to biography together
Defeated layer protocol.
Signaling Layer face is widely used in Stream Control Transmission Protocol in TD (Time Division, time-division) technology, and examines
Consider the reliability of link-quality, employ SCTP-MltiHome functions (many acupoints of SCTP), institute
The many caves of meaning SCTP, that is, the quantity of the IP address of two nodes of SCTP links is respectively no less than two.
TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, the time-division
S-CDMA-Synchronous Code Division Multiple Access) Iub interface, Iu mouths in system, and TD-LTE (Time Division Long Term
Evolution, time-division Long Term Evolution) the S1 signaling interfaces in system are based on SCTP realizations, and outfield should
Also enable many acupoints of SCTP substantially with.
However, in real network, the network element and Server (service of Client (client) side of SCTP
Device) the IP address configuration of network element of side is manual configuration, when network element and the Server sides of Client sides
When network element sets up SCTP links, the network element of Client sides with locally configured initiation SCTP link setup processes,
Wherein the network element of Client sides such as can be NodeB (base station in 3G), the S1-MME interface in Iub mouths
RNC (Radio Network Controller, wireless network in middle eNodeB (base station in evolution), Iu mouths
Controller) etc., the network element of correspondence Server sides is MME in RNC, the S1-MME interface in Iub mouths
GGSN (Gateway GPRS in (Mobility Management Entity, mobile management entity), Iu mouths
Support Node, Gateway GPRS Support Node) or SGSN (Serving GPRS Support Node,
Serving GPRS Support Node) etc..When the network element of Server sides is adjusted to many caves (i.e. by single ip address
It is adjusted to multiple IP address), and multiple IP address are used to set up SCTP links with the network element of Client sides
When, the network element of Client sides cannot adjust automatically its IP address quantity, therefore, the network element of Client sides is still
IP address is set up as man-to-man with the network element of Server sides with local ip address configuration (single ip address)
SCTP links, so that many caves of SCTP can not come into force.
For above-mentioned scene, the multiple IP address after network element of Server sides is adjusted to many caves and adjusts are equal
During for setting up SCTP links with the network element of Client sides, the network element of Client sides is still matched somebody with somebody with local ip address
Set up vertical SCTP links, the network element of Client sides cannot automatic adaptation its IP address quantity so that
The many caves of SCTP can not come into force.If many caves of SCTP need to be caused to come into force, the net for manually adjusting Client sides is also needed
The IP configurations of unit, undoubtedly increased the workload and complexity of network configuration adjustment.
In sum, in the application of outfield, the network element of the Client sides of SCTP and the network element of Server sides
The configuration of IP address is manual configuration, with this when the network element of SCTP Client sides sets up SCTP links
Based on ground configuration.For different application scenarios, the network element of Client sides cannot flexibly be adapted to local IP ground
Location, increased the workload and complexity of network configuration adjustment.
The content of the invention
The method and device that SCTP links are set up between a kind of network node is embodiments provided, to
Realize in different application scenarios, can more neatly selecting the mode for setting up SCTP links, reduce
The workload and complexity of network configuration adjustment.
The method that SCTP links are set up between a kind of network node provided in an embodiment of the present invention, including：
The mode of SCTP links is set up in primary nodal point determination with secondary nodal point；
The primary nodal point adopts the mode, initiates the SCTP link establishment processes with the secondary nodal point；
Wherein, the mode is one of following manner：
Mode one：The primary nodal point is set up according to the configuration information of the secondary nodal point with the secondary nodal point
SCTP links；
Mode two：The primary nodal point sets up SCTP links according to locally configured information with the secondary nodal point.
The embodiment of the present invention, first by way of primary nodal point determines and sets up SCTP links with secondary nodal point,
And then SCTP link establishments mode sets up SCTP links with secondary nodal point determined by adopting, wherein, institute
Mode is stated for one of following manner：Mode one：Configuration information of the primary nodal point according to the secondary nodal point
SCTP links are set up with the secondary nodal point；Mode two：The primary nodal point according to locally configured information with
The secondary nodal point sets up SCTP links.More neatly select in so as to may be implemented in different application scenarios
The mode for setting up SCTP links is selected, the workload and complexity of network configuration adjustment is reduce further.
It is preferred that the primary nodal point determines set up the mode of SCTP links with secondary nodal point, including：
The primary nodal point reads the default information field IE for indicating SCTP link establishment modes to be believed
Breath；
The primary nodal point is according to the IE information, it is determined that setting up the mode of SCTP links with secondary nodal point.
It is preferred that the mode one is specifically included：IP ground of the primary nodal point according to the secondary nodal point
Location configuration information sets up SCTP links with the secondary nodal point.
It is preferred that the primary nodal point initiates to be built with the SCTP links of the secondary nodal point when employing mode one
During vertical process, specifically include：
The primary nodal point obtains each IP address information of the secondary nodal point；
The primary nodal point initiates SCTP for any IP address of the secondary nodal point to the IP address
PATH (path) sets up process.
So as to when primary nodal point and secondary nodal point set up SCTP links, without the need for the local IP of manual configuration
Address information, can be set up by the IP address configuration information for obtaining secondary nodal point automatically with secondary nodal point
SCTP links, reduce the workload and complexity of network configuration adjustment, improve work efficiency, and drop
It is low to manually adjust the risk that network configuration causes to slip up.
It is preferred that the primary nodal point obtains each IP address information of the secondary nodal point, specifically include：
The primary nodal point receives the initialization response INIT ACK messages that the secondary nodal point sends, wherein,
Each IP address information of the secondary nodal point is carried in the INIT ACK messages；
The primary nodal point obtains each IP address letter of the secondary nodal point from the INIT ACK messages
Breath.
It is preferred that any IP address of the primary nodal point for the secondary nodal point, sends out to the IP address
Play SCTP PATH to set up after process, the method also includes：
The primary nodal point updates local ip address information, and the quantity after local ip address updates with it is described
The quantity of the IP address of secondary nodal point is identical.
By above-mentioned link establishment process, the automatically updated local IP address information of primary nodal point is reduced
The workload and complexity of local ip address configuration information are manually adjusted, work efficiency is improve.
It is preferred that the mode two is specifically included：The primary nodal point is local in locally configured information
The IP address configuration information of IP address and the secondary nodal point sets up SCTP links with the secondary nodal point.
The device of SCTP links is set up between a kind of network node provided in an embodiment of the present invention, including：
Determining unit, for determining the mode that SCTP links are set up with secondary nodal point；
Performance element, for using the mode, initiating the SCTP link establishments with the secondary nodal point
Journey；
Wherein, the mode is one of following manner：
Mode one：SCTP links are set up with the secondary nodal point according to the configuration information of the secondary nodal point；
Mode two：SCTP links are set up with the secondary nodal point according to locally configured information.
It is preferred that when the determining unit determination sets up the mode of SCTP links with secondary nodal point, it is concrete to use
In：
Read the default information field IE information for indicating SCTP link establishment modes；
According to the IE information, it is determined that setting up the mode of SCTP links with secondary nodal point.
It is preferred that the mode one is specifically included：According to the IP address configuration information of the secondary nodal point with
The secondary nodal point sets up SCTP links.
It is preferred that the performance element initiates to be built with the SCTP links of the secondary nodal point when employing mode one
During vertical process, specifically for：
Obtain each IP address information of the secondary nodal point；
For any IP address of the secondary nodal point, initiate SCTP PATH to the IP address and set up process.
It is preferred that when the performance element obtains each IP address information of the secondary nodal point, it is concrete to use
In：
The initialization response INIT ACK messages that the secondary nodal point sends are received, wherein, in the INIT
Each IP address information of the secondary nodal point is carried in ACK message；
Each IP address information of the secondary nodal point is obtained from the INIT ACK messages.
It is preferred that any IP address of the performance element for the secondary nodal point, sends out to the IP address
Play SCTP PATH to set up after process, be additionally operable to：
Update the IP of the quantity after local ip address information, and local ip address renewal and the secondary nodal point
The quantity of address is identical.
It is preferred that the mode two is specifically included：Local ip address and institute in locally configured information
The IP address configuration information and the secondary nodal point for stating secondary nodal point sets up SCTP links.
Description of the drawings
Fig. 1 is the flow process of the method that SCTP links are set up between a kind of network node provided in an embodiment of the present invention
Schematic diagram；
Fig. 2 is a kind of Stream Control Transmission Protocol stack schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of many cave schematic diagrams of SCTP provided in an embodiment of the present invention；
Fig. 4 is the structure of the device that SCTP links are set up between a kind of network node provided in an embodiment of the present invention
Schematic diagram.
Specific embodiment
The method and device that SCTP links are set up between a kind of network node is embodiments provided, to
Realize in different application scenarios, can more neatly selecting the mode for setting up SCTP links, reduce
The workload and complexity of network configuration adjustment.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
Only to explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, the method that SCTP links are set up between a kind of network node provided in an embodiment of the present invention,
Including：
Step S101, primary nodal point determination and secondary nodal point set up the mode of SCTP links；
Step S102, the primary nodal point adopt the mode, initiate the SCTP chains with the secondary nodal point
Process is set up on road；
Wherein, the mode is one of following manner：
Mode one：The primary nodal point is set up according to the configuration information of the secondary nodal point with the secondary nodal point
SCTP links；
Mode two：The primary nodal point sets up SCTP links according to locally configured information with the secondary nodal point.
Above-mentioned primary nodal point, for example, can be the network element of client-side, such as can be in Iub mouths
ENodeB in RNC, S1-MME interface in NodeB, Iu mouth in eNodeB, X2 signaling plane interface
Deng.Above-mentioned secondary nodal point, for example, can be the network element of server-side, such as when primary nodal point is Iub mouths
In NodeB when, secondary nodal point can be Iub mouths in RNC；RNC in primary nodal point is Iu mouths
When, secondary nodal point can be GGSN or SGSN in Iu mouths；When primary nodal point is S1-MME interface
During middle eNodeB, secondary nodal point can be MME in S1-MME interface；When primary nodal point is X2 letters
When making the eNodeB in the interface of face, secondary nodal point can be eNodeB in X2 signaling plane interfaces etc..
Why primary nodal point will determine and set up SCTP links when SCTP links are set up with secondary nodal point
Mode, mainly due in actual outfield application, may there are different application scenarios.For example,
When the quantity of the IP address of secondary nodal point is configured to multiple (carrying out IP cutovers) by single, and secondary nodal point
Multiple IP address when being used to set up SCTP links with primary nodal point, according to mode two, i.e. first segment
Point sets up SCTP links according to locally configured information and the secondary nodal point, locally configured when primary nodal point
When information is manually adjusted, then the quantity of local ip address is still 1, and primary nodal point cannot be certainly
The local IP address configuration information of dynamic adjustment, therefore, primary nodal point sets up IP according to local configuration information
Address is man-to-man SCTP links, finally causes many caves of SCTP from coming into force.Even if setting up SCTP
Before link, the local IP address configuration information of primary nodal point is manually adjusted, then using the sheet after the adjustment
Ground IP address configuration information sets up SCTP links with secondary nodal point, there is also so that configuration of IP address information
Workload increase shortcoming, particularly after secondary nodal point carries out IP cutovers, the number of the IP address of configuration
When measuring more, continue the local ip address configuration information for manually adjusting primary nodal point, easily produce due to people
Work operation causes the risk slipped up, and in the case, selects aforesaid way one to carry out the foundation of SCTP links,
It is more suitably to select.
It is preferred that the primary nodal point determines set up the mode of SCTP links with secondary nodal point, including：
The primary nodal point reads the default information field IE for indicating SCTP link establishment modes to be believed
Breath；
The primary nodal point is according to the IE information, it is determined that setting up the mode of SCTP links with secondary nodal point.
Wherein, the above-mentioned default IE information for indicating SCTP link establishment modes, may be provided at this
In the coupling table on ground.For example, the entitled SCTP link establishments mode of the IE can be set, in the IE
One configured information is set, for example, an indication bit position is set, when the value of the bit is 0, represents and set up
The mode of SCTP links is aforesaid way one, and when the value of the bit is 1, SCTP chains are set up in expression
The mode on road is aforesaid way two.
Aforesaid way one, i.e. primary nodal point are set up according to the configuration information of secondary nodal point with the secondary nodal point
SCTP links, specific application scenarios are as follows：
When secondary nodal point IP address quantity by it is single be configured to multiple when, and multiple IP of secondary nodal point
When address is used to set up SCTP links with primary nodal point, primary nodal point can adopt aforesaid way one and second
Node sets up many cave SCTP links.So, the mistake of the IP address information of manual configuration primary nodal point can be saved
Journey, reduces the workload and complexity of network configuration adjustment, improves work efficiency.
It is preferred that aforesaid way one is specifically included：Primary nodal point matches somebody with somebody confidence according to the IP address of secondary nodal point
Breath sets up SCTP links with secondary nodal point.
It is preferred that when primary nodal point initiates the SCTP link establishment processes with secondary nodal point when employing mode one,
Specifically include：
The primary nodal point obtains each IP address information of the secondary nodal point；
The primary nodal point initiates SCTP for any IP address of the secondary nodal point to the IP address
PATH sets up process.
It is preferred that primary nodal point obtains each IP address information of secondary nodal point, specifically include：
The primary nodal point receives the initialization response INIT ACK messages that the secondary nodal point sends, wherein,
Each IP address information of the secondary nodal point is carried in the INIT ACK messages；
The primary nodal point obtains each IP address letter of the secondary nodal point from the INIT ACK messages
Breath.
Specifically, primary nodal point is when employing mode one is initiated with the SCTP link establishment processes of secondary nodal point,
Primary nodal point sends first initialization INIT message to secondary nodal point, when secondary nodal point receives primary nodal point
After the INIT message of transmission, INIT ACK messages are sent to primary nodal point, and in the INIT ACK messages
The middle each IP address information for carrying secondary nodal point.Further, primary nodal point is obtained from the INIT ACK messages
Each IP address information of secondary nodal point is taken, and according to each IP address information of acquired secondary nodal point,
SCTP link establishment processes are initiated to each IP address of secondary nodal point.
It is preferred that any IP address of the above-mentioned primary nodal point for secondary nodal point, to the IP address SCTP is initiated
PATH is set up after process, and the method also includes：
Primary nodal point updates local ip address information, and the quantity and described second after local ip address updates
The quantity of the IP address of node is identical.
By the SCTP link establishment processes of the first kind of way, primary nodal point is realized according to secondary nodal point
The local IP configuration informations of IP configuration information automatic adaptations process, reduce network configuration adjustment work
Amount and complexity, and can reduce because artificial operation causes the risk of error.
It is more than primary nodal point employing mode SCTP link establishments process for the moment, mode two is described below.
It is preferred that mode two is specifically included：Local ip address of the primary nodal point in locally configured information
SCTP links are set up with the IP address configuration information of secondary nodal point with secondary nodal point.
Aforesaid way two, i.e. primary nodal point set up SCTP chains according to locally configured information with the secondary nodal point
Road, specific application scenarios are as follows：
Scene one：Primary nodal point with secondary nodal point before SCTP links are set up, and primary nodal point side is clear and definite
Whether secondary nodal point supports many caves, so as to can accurately configure the local IP address information of primary nodal point side,
Make the IP address quantity of primary nodal point identical with the IP address quantity of secondary nodal point.Under this scene, first
Node directly can set up SCTP links according to locally configured information with the secondary nodal point.
Scene two：When the quantity of the IP address of secondary nodal point is adjusted to multiple, it is desirable to the plurality of IP address
In a part of IP address and primary nodal point set up SCTP links, and another part and other node are set up
SCTP links.For example, after the IP of the network element of server-side carries out cutover, become by single ip address
For 5 IP address, respectively IP1, IP2, IP3, IP4, IP5.Specify 5 IP address in IP1,
The network element of IP2, IP3 and the side of client 1 sets up SCTP links, and IP4, IP5 and the side of client 2
Network element set up SCTP links.Server-side considers from realization is simplified, it is impossible to for different clients,
The different INIT ACK messages (carrying different IP address information) of response, typically can all carry service
The whole IP address information in device side, in this case, also employing mode one is (namely according to service
The configuration information of the network element of device side sets up SCTP links with the network element of server-side), then can not meet
Demand.Therefore, under this scene, employing mode two is needed, i.e., according to locally configured information and the second section
Point sets up SCTP links.
Scene three：The local IP cutovers of primary nodal point, the quantity of IP address is adjusted, in this case,
Primary nodal point avoids the need for setting up SCTP links with secondary nodal point according to the configuration information of secondary nodal point, only needs
SCTP links are set up with the secondary nodal point according to locally configured information.
It is preferred that when primary nodal point initiates the SCTP link establishment processes with secondary nodal point when employing mode two,
Specifically include：
The primary nodal point reads each IP address of the secondary nodal point preserved in locally configured information and matches somebody with somebody confidence
Breath；
The primary nodal point initiates SCTP for any IP address of the secondary nodal point to the IP address
PATH sets up process.
Below the scheme of the embodiment of the present invention is set forth in from overall angle.
It is preferred that the method that SCTP links are set up between a kind of network node provided in an embodiment of the present invention, main
If the situation for setting up many cave SCTP links between network node.
Stream Control Transmission Protocol stack schematic diagram is as shown in Figure 2.SCTP is actually a Connection-oriented Protocol, but
SCTP is coupled the connection than TCP and has wider array of concept, and Stream Control Transmission Protocol is provided in two SCTP
The method that coupling is set up between one group of transfer address between end points, the coupling established by these, SCTP
End points can send SCTP message.One SCTP is coupled and can include multiple possible origin addresses and mesh
Address combination, these combinations are included in the IP transfer addresses list of each end points.
Two SCTP endpoint of one SCTP coupling can configure multiple IP address, such a coupling
Two end points between have a plurality of path, here it is SCTP be coupled multiaddress (the i.e. many caves of SCTP
Function).
Being coupled can include a plurality of path, but only one of which first-selection path.For example, two of SCTP links
End points is respectively the network element of client-side and the network element of server-side, and the network element bag of client-side
Include two IP address (1.1.1.1：3000 and 1.1.1.5：3000), the network element of server-side also includes two
Individual IP address (2.2.2.2：3001 and 2.2.2.5：3001), as shown in Figure 3.In general, it is same
Multiple IP address of network element share a port number.
The coupling includes 4 paths (Path0, Path1, Path2, Path3).Can be with according to data configuration
Determine the selection mode of this 4 paths, 4 paths defined in Fig. 3, and also first-selected path is Path0.
4 path is simply described below：
Path0：(the 1.1.1.1 of client-side IP transfer addresses 1:3000) SCTP message is sent to server
(the 2.2.2.2 of side IP transfer addresses 1：3001)；
Path1：(the 1.1.1.1 of client-side IP transfer addresses 1:3000) SCTP message is sent to server
(the 2.2.2.5 of side IP transfer addresses 2：3001)；
Path2：(the 1.1.1.5 of client-side IP transfer addresses 2:3000) SCTP message is sent to server
(the 2.2.2.2 of side IP transfer addresses 1：3001)；
Path3：(the 1.1.1.5 of client-side IP transfer addresses 2:3000) SCTP message is sent to server
(the 2.2.2.5 of side IP transfer addresses 2：3001).
The operation principle of transmission SCTP message is between end points：What the IP transfer addresses of client-side network element sent
SCTP message is sent to server side network element by first-selected path.After first-selected path breaks down, SCTP
Can automatically switch on other stand-by channels, specifically, the priority of multiple paths can be pre-set, this
In embodiment, secondly the transfer address of preferential switching server side network element switches again client-side network element
IP transfer addresses.For example, after first-selected path Path0 breaks down, preferentially it is switched on path Path1,
When Path1 also breaks down, then it is switched on Path2.
According to practical application, many cave SCTP links are set up between network node may include following five kinds of scenes：
(1) in the Iub interface of TD-SCDMA system, RNC is adjusted to many caves of SCTP；
(2) in the Iu-CS interface of TD-SCDMA system, GGSN is adjusted to many caves of SCTP；
(3) in the Iu-PS interface of TD-SCDMA system, SGSN is adjusted to many caves of SCTP；
(4) in the S1-MME interface of TD-LTE system, MME is adjusted to many caves of SCTP；
(5) in the X2 signaling plane interfaces of TD-LTE system, the base station of server side is adjusted to many caves.
Below by taking TD-LTE S1-MME interface scenes as an example, specific embodiment is given.
MME configures local IP address and only has an IP, i.e. IP1：172.16.16.5, base station is matched somebody with somebody
The IP address information of opposite end (i.e. MME) is put, subsequently when MME increases IP2 newly in IP cut-over process：
And IP1, IP2 are used to set up many cave SCTP links, now, base station with the base station 172.16.16.21,
SCTP links should be set up from mode one with MME.
Comprise the following steps that：
Step 1, base station from locally reading the default IE information for indicating SCTP link establishment modes,
The IE information indicates that employing mode one sets up SCTP links with MME.
Step 2, base station determine that the mode for setting up SCTP links with MME is mode one according to the IE information.
Step 3, base station send INIT message to MME, and receive MME return INIT ACK disappear
Breath, wherein containing the IP address information of MME, i.e. IP1, IP2 in INIT ACK messages.
Step 4, base station are initiated SCTP PATH and set up process to IP1 and IP2 respectively.
Step 5, after two PATH are successfully established, base station automatically updates IP address information,
And the quantity after local ip address renewal is also two.
Below or by taking TD-LTE S1-MME interface scenes as an example, we provide another embodiment.
MME configures local IP address and only has an IP1, the locally configured opposite end in base station (i.e. MME's)
IP address information, subsequently when MME increases IP2, IP3, IP4, IP5 newly in IP cut-over process, and specifies
IP1, IP2 and base station 1 in five IP sets up many cave SCTP links, and IP3, IP4, IP5 with addition
Base station 2 set up many cave SCTP links, now, base station should set up SCTP from mode two and MME
Link.
Comprise the following steps that：
Firstly, it is necessary to artificial operation is updated configuration to the IP address of base station 1 and base station 2, specifically,
Can be by carrying out the batch SCTP IP cutovers of many base stations from webmaster side, that is, by the IP address of base station 1
Two are configured to, the IP address of base station 2 is also configured as into two, and then guarantee base station 1 and base station 2
The quantity of IP address is corresponding with MME.
Secondly, will be used to indicate SCTP link establishment modes in corresponding coupling table in base station 1 and base station 2
IE information be preset as indicating that employing mode two and MME set up SCTP links.
So as to, base station 1 and base station 2 are read respectively after local IE information, it is determined that setting up SCTP with MME
The mode of link is mode two.
Finally, the equal employing mode two in base station 1 and base station 2 initiates SCTP link processes.
Specifically, it is introduced by taking base station 1 as an example.Base station 1 sends INIT message to MME, and receives
The INIT ACK messages that MME is returned, now, what is carried in INIT ACK messages simultaneously ignored in base station 1
The IP address configuration information of MME, but directly according to the local configuration information in base station 1, respectively to MME
Two IP address initiate SCTP PATH set up process.
Referring to Fig. 4, the device of SCTP links is set up between a kind of network node provided in an embodiment of the present invention,
Including：
Determining unit 11, for determining the mode that SCTP links are set up with secondary nodal point；
Performance element 12, for using the mode, initiating the SCTP link establishments with the secondary nodal point
Process；
Wherein, the mode is one of following manner：
Mode one：SCTP links are set up with the secondary nodal point according to the configuration information of the secondary nodal point；
Mode two：SCTP links are set up with the secondary nodal point according to locally configured information.
Above-mentioned determining unit, performance element may be provided in specific entity apparatus, for example base station, MME,
RNC etc., can select device used according to concrete application scene.
It is preferred that when the determination of the determining unit 11 sets up the mode of SCTP links with secondary nodal point, tool
Body is used for：
Read the default information field IE information for indicating SCTP link establishment modes；
According to the IE information, it is determined that setting up the mode of SCTP links with secondary nodal point.
It is preferred that the mode one is specifically included：According to the IP address configuration information of the secondary nodal point with
The secondary nodal point sets up SCTP links.
It is preferred that the performance element 12 initiates the SCTP chains with the secondary nodal point when employing mode one
When process is set up on road, specifically for：
Obtain each IP address information of the secondary nodal point；
For any IP address of the secondary nodal point, initiate SCTP PATH to the IP address and set up process.
It is preferred that when the performance element 12 obtains each IP address information of the secondary nodal point, specifically
For：
The initialization response INIT ACK messages that the secondary nodal point sends are received, wherein, in the INIT
Each IP address information of the secondary nodal point is carried in ACK message；
Each IP address information of the secondary nodal point is obtained from the INIT ACK messages.
It is preferred that any IP address of the performance element 12 for the secondary nodal point, to the IP address
Initiate SCTP PATH to set up after process, be additionally operable to：
Update the IP of the quantity after local ip address information, and local ip address renewal and the secondary nodal point
The quantity of address is identical.
It is preferred that the mode two is specifically included：Local ip address and institute in locally configured information
The IP address configuration information and the secondary nodal point for stating secondary nodal point sets up SCTP links.
The embodiment of the present invention, can realize above-mentioned each functional unit using specific hardware processor.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot
Close the form of the embodiment in terms of software and hardware.And, the present invention can be adopted and wherein wrapped at one or more
Computer-usable storage medium containing computer usable program code (including but not limited to disk memory and
Optical memory etc.) on implement computer program form.
The present invention is produced with reference to method according to embodiments of the present invention, equipment (system) and computer program
The flow chart and/or block diagram of product is describing.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or square frame and flow chart and/or the flow process in block diagram and/
Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedded
The processor of formula datatron or other programmable data processing devices is producing a machine so that by calculating
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device of the function of specifying in individual flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable datas process to set
In the standby computer-readable memory for working in a specific way so that in being stored in the computer-readable memory
Instruction produce and include the manufacture of command device, command device realization is in one flow process or multiple of flow chart
The function of specifying in one square frame of flow process and/or block diagram or multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing devices, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Claims (14)
1. a kind of method that SCTP SCTP links are set up between network node, it is characterised in that
The method includes：
The mode of SCTP links is set up in primary nodal point determination with secondary nodal point；
The primary nodal point adopts the mode, initiates the SCTP link establishment processes with the secondary nodal point；
Wherein, the mode is one of following manner：
Mode one：The primary nodal point is set up according to the configuration information of the secondary nodal point with the secondary nodal point
SCTP links；
Mode two：The primary nodal point sets up SCTP links according to locally configured information with the secondary nodal point.
2. method according to claim 1, it is characterised in that the primary nodal point determines and second
Node sets up the mode of SCTP links, including：
The primary nodal point reads the default information field IE for indicating SCTP link establishment modes to be believed
Breath；
The primary nodal point is according to the IE information, it is determined that setting up the mode of SCTP links with secondary nodal point.
3. method according to claim 1, it is characterised in that the mode one is specifically included：Institute
State primary nodal point and SCTP is set up with the secondary nodal point according to the IP address configuration information of the secondary nodal point
Link.
4. method according to claim 3, it is characterised in that the primary nodal point works as employing mode
One when initiating with the SCTP link establishment processes of the secondary nodal point, specifically includes：
The primary nodal point obtains each IP address information of the secondary nodal point；
The primary nodal point initiates SCTP for any IP address of the secondary nodal point to the IP address
Path P ATH sets up process.
5. method according to claim 4, it is characterised in that the primary nodal point obtains described the
Each IP address information of two nodes, specifically includes：
The primary nodal point receives the initialization response INIT ACK messages that the secondary nodal point sends, wherein,
Each IP address information of the secondary nodal point is carried in the INIT ACK messages；
The primary nodal point obtains each IP address letter of the secondary nodal point from the INIT ACK messages
Breath.
6. the method according to claim 4 or 5, it is characterised in that the primary nodal point is directed to institute
Any IP address of secondary nodal point is stated, SCTP PATH is initiated to the IP address and is set up after process, the party
Method also includes：
The primary nodal point updates local ip address information, and the quantity after local ip address updates with it is described
The quantity of the IP address of secondary nodal point is identical.
7. method according to claim 1, it is characterised in that the mode two is specifically included：Institute
State the IP address configuration of local ip address and the secondary nodal point of the primary nodal point in locally configured information
Information sets up SCTP links with the secondary nodal point.
8. the device of SCTP SCTP links is set up between a kind of network node, it is characterised in that
The device includes：
Determining unit, for determining the mode that SCTP links are set up with secondary nodal point；
Performance element, for using the mode, initiating the SCTP link establishments with the secondary nodal point
Journey；
Wherein, the mode is one of following manner：
Mode one：SCTP links are set up with the secondary nodal point according to the configuration information of the secondary nodal point；
Mode two：SCTP links are set up with the secondary nodal point according to locally configured information.
9. device according to claim 8, it is characterised in that the determining unit determines and second
When node sets up the mode of SCTP links, specifically for：
Read the default information field IE information for indicating SCTP link establishment modes；
According to the IE information, it is determined that setting up the mode of SCTP links with secondary nodal point.
10. device according to claim 8, it is characterised in that the mode one is specifically included：Root
SCTP links are set up according to the IP address configuration information and the secondary nodal point of the secondary nodal point.
11. devices according to claim 10, it is characterised in that the performance element is when using side
When formula one initiates the SCTP link establishment processes with the secondary nodal point, specifically for：
Obtain each IP address information of the secondary nodal point；
For any IP address of the secondary nodal point, initiate SCTP path Ps ATH to the IP address and build
Vertical process.
12. devices according to claim 11, it is characterised in that the performance element obtains described
During each IP address information of secondary nodal point, specifically for：
The initialization response INIT ACK messages that the secondary nodal point sends are received, wherein, in the INIT
Each IP address information of the secondary nodal point is carried in ACK message；
Each IP address information of the secondary nodal point is obtained from the INIT ACK messages.
13. devices according to claim 11 or 12, it is characterised in that the performance element is directed to
Any IP address of the secondary nodal point, initiates SCTP PATH and sets up after process, also to the IP address
For：
Update the IP of the quantity after local ip address information, and local ip address renewal and the secondary nodal point
The quantity of address is identical.
14. devices according to claim 8, it is characterised in that the mode two possess including：Root
According to the IP address configuration information and described of the local ip address in locally configured information and the secondary nodal point
Two nodes set up SCTP links.
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