JP2018508161A - SCTP connection reestablishing method and apparatus, and storage medium - Google Patents

Abstract

An embodiment of the present invention discloses a method for re-establishing an SCTP connection, and a change occurs in a transport layer address of the first network element after the first network element and the second network element establish an SCTP connection. The first network element transmits the changed transport layer address to the second network element. The embodiment of the present invention further discloses an SCTP connection re-establishment apparatus and a storage medium.

Description

  The present invention relates to the field of Long Term Evolution (LTE) communication, and more particularly to a method and apparatus for re-establishing a Stream Control Transmission Protocol (SCTP) connection, and a storage medium.

  SCTP is a transport layer protocol defined in 2000 by the Internet Engineering Task Force (IETF), and SCTP connection is a reliable datagram transmission based on the unreliable transmission service protocol. Provides a protocol.

  Different network elements can establish a stable ordered data transmission service by establishing an SCTP connection, and one network element can establish one SCTP connection with another network element. If possible, a plurality of SCTP connections can be simultaneously established with a plurality of networks.

  FIG. 1 is a diagram illustrating one exemplary application of SCTP, and as shown in FIG. 1, network element A has an SCTP connection 0 established with only network element B. FIG. FIG. 2 is a diagram showing another exemplary application scene of SCTP. As shown in FIG. 2, network element A is connected to each of network elements B, C and D with an SCTP connection (SCTP connection 1, SCTP connection). 2 and SCTP connection 3).

  However, in both the application scene 1 and the application scene 2, if a change occurs in the transport layer address of the network element A, all SCTP connections established in the network element A will be disconnected, however, In the SCTP protocol, the network element A is not provided with a means for notifying the other network element of such a change. Thus, the SCTP connection between the network element A and the other network element is not performed. Can not be restored immediately.

  In order to solve an existing problem, an embodiment of the present invention is intended to provide a method and apparatus for re-establishing an SCTP connection, and a storage medium.

In an embodiment of the present invention,
If a change occurs in the transport layer address of the first network element after the first network element and the second network element establish an SCTP connection, the first network element sets the transport layer address after the change to the second transport layer address. A method is provided for re-establishing an SCTP connection including transmitting to a network element.

  In the above scheme, the first network element and the second network element are evolved base stations eNB, and the transport layer address is an Internet protocol IP address.

In the above scheme, the first network element sends the changed transport layer address to the second network element,
The first network element sends a first set direct transfer message including the changed transport layer address of the first network element and the identification information of the second network element to the second network element via the third network element. Including forwarding.

  In the above scheme, the third network element is a mobility management entity MME.

In the above scheme, after the first network element transmits the changed transport layer address to the second network element, the method comprises:
The first network element receives the transport layer address of the second network element itself transmitted from the second network element, and the first network element is locally based on the received transport layer address of the second network element itself. Updating the SCTP setting of the second network element and re-establishing the SCTP connection with the second network element based on the updated SCTP setting.

In the above scheme, the first network element receives the transport layer address of the second network element itself transmitted from the second network element,
The first network element includes receiving a second set-up direct transfer message including the transport layer address of the second network element itself transferred from the second network element through the third network element.

In an embodiment of the present invention,
After the SCTP connection established between the second network element and the first network element is broken, the second network element receives the transport layer address of the first network element itself transmitted from the first network element. And
The second network element is provided with a method for re-establishing a stream control transmission protocol SCTP connection including updating a local SCTP setting based on the received transport layer address.

  In the above scheme, the first network element and the second network element are evolved base stations eNB, and the transport layer address is an Internet protocol IP address.

In the above scheme, the second network element receives the transport layer address of the first network element itself transmitted from the first network element,
The second network element includes receiving a set direct transfer message including the transport layer address of the first network element itself, forwarded from the first network element through the third network element.

  In the above scheme, the third network element is a mobility management entity MME.

In an embodiment of the present invention,
After the second network element establishes an SCTP connection with the first network element, the second network element, upon detecting that the SCTP connection is broken, obtains a transport layer address of the first network element;
The second network element is provided with a method for re-establishing the stream control transmission protocol SCTP, including updating a local SCTP setting based on the acquired transport layer address.

  In the above scheme, the second network element and the first network element are evolved base stations eNB, and the transport layer address is an Internet protocol IP address.

In the above scheme, the second network element obtains a transport layer address of the first network element,
The second network element sends a transport layer address acquisition request including identification information of the first network element to the third network element;
The second network element receives a transport layer address acquisition response returned from the third network element and including the transport layer address of the first network element.

  In the above scheme, the third network element is a mobility management entity MME.

In an embodiment of the present invention, an apparatus for re-establishing a stream control transmission protocol SCTP connection located in a first network element comprising:
A connection establishment module for establishing an SCTP connection between the first network element and the second network element;
An apparatus is provided that includes a transport layer address transmission module that transmits a changed transport layer address to a second network element when a change occurs in a transport layer address of a first network element.

In an embodiment of the present invention, an apparatus for re-establishing a stream control transmission protocol SCTP connection located in a second network element, comprising:
Second transport layer address reception for receiving the transport layer address of the first network element itself transmitted from the first network element after the SCTP connection between the second network element and the first network element is broken Module,
There is provided an apparatus comprising a second configuration update module that updates a local SCTP configuration based on a received transport layer address.

In an embodiment of the present invention, an apparatus for re-establishing a stream control transmission protocol SCTP located in a second network element, comprising:
A detection module that detects a connection state of the SCTP connection after the second network element and the first network element establish an SCTP connection, and triggers a transport layer address acquisition module when detecting that the SCTP connection is disconnected. When,
A transport layer address acquisition module that, when triggered by the detection module, acquires a transport layer address of the first network element;
There is provided an apparatus comprising: a third setting update module that updates a local SCTP setting based on an acquired transport layer address.

  According to the SCTP connection re-establishment method and apparatus and storage medium provided in the embodiment of the present invention, after the first network element and the second network element establish the SCTP connection, the transport layer of the first network element When the address changes, the first network element transmits the changed transport layer address to the second network element. Thus, if the SCTP connection between the first network element and the second network element is disconnected due to a change in the transport layer address of the first network element, the changed transport layer By sending the address to the second network element, the SCTP connection between the first network element and the second network element can be quickly re-established.

FIG. 6 illustrates one exemplary application scenario for SCTP. FIG. 6 is a diagram illustrating another exemplary application scene of SCTP. It is a figure which shows the 1st flow of the re-establishment method of the SCTP connection provided in the Example of this invention. It is a figure which shows the 3rd flow of the re-establishment method of the SCTP connection provided in the Example of this invention. It is a figure which shows the 3rd flow of the re-establishment method of the SCTP connection provided in the Example of this invention. It is a figure which shows the 1st basic structure of the re-establishment apparatus of the SCTP connection provided in the Example of this invention. It is a figure which shows the 2nd basic structure of the re-establishment apparatus of the SCTP connection provided in the Example of this invention. It is a figure which shows the 3rd basic structure of the re-establishment apparatus of the SCTP connection provided in the Example of this invention. FIG. 3 is a diagram illustrating a first exemplary flow of a SCTP connection re-establishment method provided in an embodiment of the present invention; FIG. 6 is a diagram illustrating a second exemplary flow of the SCTP connection re-establishment method provided in the embodiment of the present invention.

  In an embodiment of the present invention, if a change occurs in the transport layer address of the first network element after the first network element and the second network element establish an SCTP connection, the first network element Send the transport layer address to the second network element.

  Hereinafter, the present invention will be described in more detail with reference to the drawings and specific examples.

Example 1
In the first embodiment of the present invention, a method for re-establishing an SCTP connection is provided. As shown in FIG. 3, the method includes the following steps 301 to 302.

  Step 301: The first network element establishes an SCTP connection with the second network element.

  Specifically, the first network element and the second network element may be an evolved base station (eNB, evolved Node B).

  Step 302: When a change occurs in the transport layer address of the first network element, the first network element transmits the changed transport layer address to the second network element.

  In this step, when a change occurs in the transport layer address of the first network element, the SCTP connection is disconnected, and in this case, the first network element can change the changed transport according to the request of itself or the second network element. The port layer address is transmitted to the second network element so that the second network element can re-establish an SCTP connection with the first network element based on the changed transport layer address.

  Specifically, the transport layer address may specifically be an Internet Protocol (IP) address.

Specifically, the first network element transmits the changed transport layer address to the second network element,
The first network element sends a first set direct transfer message including the changed transport layer address of the first network element and the identification information of the second network element to the second network element via the third network element. Including forwarding. Therefore, after the first network element transmits the first setting direct transfer message to the third network element, the third network element is based on the identification information of the second network element in the first setting direct transfer message. The first setting direct transfer message can be transferred to the second network element.

  In an actual implementation, the third network element may be a mobility management entity (MME), and thus the SCTP connection is disconnected between the first network element and the second network element. In the event that direct communication becomes impossible due to this, the first network element sends a first setting direct transfer message to the second network element via the core network, and the transport layer address after its change is transmitted. The second network element can be notified immediately.

  After the first network element sends the changed transport layer address to the second network element, the first network element and the second network element reestablish the SCTP connection based on the changed transport layer address. be able to.

Further, after the first network element sends the changed transport layer address to the second network element, the method comprises:
The first network element receives the transport layer address of the second network element itself transmitted from the second network element, and the first network element is locally based on the received transport layer address of the second network element itself. Updating the SCTP setting of the second network element and re-establishing the SCTP connection with the second network element based on the updated SCTP setting.

Specifically, the first network element receives the transport layer address of the second network element itself transmitted from the second network element,
The first network element receiving a second set-up direct transfer message including a transport layer address of the second network element itself transferred from the second network element via the third network element; The transport layer address of the network element itself is the transport layer address of the second network element for establishing the SCTP connection before the SCTP connection between the first network element and the second network element is disconnected. In this way, according to the configuration, both the first network element and the second network element can ensure to obtain the latest transport layer address of the other party, Both sides reestablish the SCTP connection based on the latest transport layer address. Can.

  In an embodiment of the present invention, a first computer-readable storage medium is further provided, and the storage medium includes a set of instructions for performing the SCTP connection re-establishment method described in the first embodiment.

(Example 2)
In the second embodiment of the present invention, a method for re-establishing an SCTP connection is provided. As shown in FIG. 4, the method includes the following steps 401 to 402.

  Step 401: After the SCTP connection established between the second network element and the first network element is broken, the second network element transmits the transport layer address of the first network element itself transmitted from the first network element. Receive.

  Specifically, the first network element and the second network element may be eNBs, and the transport layer address may be an IP address.

Specifically, the second network element receives a transport layer address of the first network element itself transmitted from the first network element,
The second network element receiving a set direct transfer message including the transport layer address of the first network element itself, forwarded from the first network element via the third network element, the transport layer address Is different from the transport layer address of the first network element for establishing the SCTP connection before the SCTP connection established between the first network element and the second network element is disconnected.

  Step 402: The second network element updates the local SCTP configuration based on the received transport layer address.

  After the second network element receives the transport layer address of the first network element itself transmitted from the first network element, the second network element updates the local SCTP setting based on the received transport layer address. Thus, the SCTP connection with the first network element is re-established based on the updated SCTP setting.

  In an embodiment of the present invention, a second computer readable storage medium is further provided, which includes a set of instructions for performing the SCTP connection re-establishment method described in the second embodiment.

(Example 3)
In Example 3 of the present invention, a method for re-establishing an SCTP connection is provided. As shown in FIG. 5, the method includes the following steps 501 to 503.

  Step 501: The second network element establishes an SCTP connection with the first network element.

  Specifically, the second network element and the first network element may be eNBs.

  Step 502: The second network element obtains the transport layer address of the first network element after detecting that the SCTP connection is broken.

  Specifically, the second network element obtains the transport layer address of the first network element as follows.

  The second network element transmits a transport layer address acquisition request including identification information of the first network element to the third network element, whereby the third network element transmits the transport layer address acquisition request to the first network element. The transport layer address acquisition response sent back from the first network element is received, and then the transport layer address acquisition response is transferred to the second network element. The transport layer address acquisition response includes a transport layer address of a first network element, and the transport layer address of the first network element is a current transport layer address of the first network element. , Different from the transport layer address of the first network element for establishing the SCTP connection before the SCTP connection established by the first network element and the second network element is disconnected.

  The second network element receives the transport layer address acquisition response returned from the third network element.

  Specifically, the transport layer address is an IP address.

  Step 503: The second network element updates a local SCTP setting based on the acquired transport layer address.

  Specifically, the second network element updates the local SCTP setting based on the received transport layer address, and thereby the SCTP with the first network element is updated based on the updated SCTP setting. Re-establish.

  In an embodiment of the present invention, a third computer readable storage medium is further provided, which includes a set of instructions for performing the SCTP connection re-establishment method described in the third embodiment.

Example 4
In Example 4 of the present invention, an SCTP connection re-establishment device is provided and located in the first network element, and as shown in FIG. 6, the device comprises a connection establishment module 61 and a transport layer address transmission module 62. And comprising
The connection establishment module 61 establishes an SCTP connection between the first network element and the second network element;
When the transport layer address of the first network element changes, the transport layer address transmission module 62 transmits the changed transport layer address to the second network element.

  Specifically, the first network element and the second network element may be eNBs, and the transport layer address is an IP address.

  Furthermore, the apparatus further comprises a first setting direct transfer message generating module 63 for generating a first setting direct transfer message including the transport layer address of the first network element after the change.

Specifically, the transport layer address transmission module 62 transmits the changed transport layer address of the first network element to the second network element.
The transport layer address sending module 62 is arranged to send the first set direct transfer message to the second network element via the third network element.

  Specifically, the third network element may be an MME.

The apparatus further includes a transport layer address receiving module 64, a first setting update module 65, and an SCTP connection re-establishment module 66,
The transport layer address receiving module 64 receives the transport layer address of the second network element itself transmitted from the second network element;
The first configuration update module 65 updates the local SCTP configuration based on the received transport layer address of the second network element itself,
The SCTP connection re-establishment module 66 re-establishes the SCTP connection with the second network element based on the updated SCTP setting.

The transport layer address receiving module 64 receives the transport layer address of the second network element itself transmitted from the second network element,
The transport layer address receiving module 64 is adapted to receive a second set direct transfer message including the transport layer address of the second network element itself transferred from the second network element via the third network element. .

(Example 5)
In Example 5 of the present invention, an SCTP re-establishment device is provided and located in the second network element, and as shown in FIG. An update module 72;
The second transport layer address receiving module 71 transmits the transport of the first network element itself transmitted from the first network element after the SCTP connection between the second network element and the first network element is disconnected. Receiving the layer address,
The second setting update module 72 updates the local SCTP setting based on the received transport layer address.

  The first network element and the second network element are evolved base stations eNB, and the transport layer address is an Internet protocol IP address.

Specifically, the second transport layer address receiving module 71 receives the transport layer address of the first network element itself transmitted from the first network element,
The second transport layer address receiving module 71 is arranged to receive a set direct transfer message including the transport layer address of the first network element itself, transferred from the first network element via the third network element. .

  Specifically, the third network element is a mobility management entity MME.

(Example 6)
In Example 6 of the present invention, an SCTP re-establishment device is provided and located in the second network element, and as shown in FIG. 8, the device includes a detection module 81, a transport layer address acquisition module 82, A third setting update module 83;
The detection module 81 detects a connection state of the SCTP connection after the second network element and the first network element establish an SCTP connection, and when detecting that the SCTP connection is disconnected, obtains a transport layer address. Trigger module 82,
The transport layer address acquisition module 82, when triggered by the detection module 81, acquires the transport layer address of the first network element,
The third setting update module 83 updates the local SCTP setting based on the acquired transport layer address.

  Specifically, the second network element and the first network element are evolved base stations eNB, and the transport layer address is an Internet protocol IP address.

Specifically, the transport layer address acquisition module 82 acquires the transport layer address of the first network element,
The transport layer address acquisition module 82 sends a transport layer address acquisition request including identification information of the first network element to the third network element;
The second network element is adapted to receive a transport layer address acquisition response returned from the third network element, including the transport layer address of the first network element.

  Specifically, the third network element is a mobility management entity MME.

  Hereinafter, the SCTP connection re-establishment method provided in the embodiment of the present invention will be described in detail through two specific examples.

(Example 1)
FIG. 9 is a flowchart of this example 1. As shown in FIG. 9, this example includes the following steps 900 to 908.

  Step 900: eNB A and eNB B successfully establish an SCTP connection.

  Step 901: There is a change in the transport layer address of eNB A.

  Step 902: The SCTP connection between eNB A and eNB B is disconnected.

  Step 903: The eNB B detects that the SCTP connection is disconnected.

  Step 904: The eNB B transmits a first transport layer address acquisition request to the MME.

  The first transport layer address acquisition request includes identification information of eNB A.

  Step 905: The MME forwards the first transport layer address acquisition request to the eNB A.

  Step 906: eNB A sends a transport layer address acquisition response to the MME.

  The first transport layer address acquisition response message includes the transport layer address of eNB A, and the first transport layer address at which the first transport layer address is located is the current transport layer address after the change of eNB A. It is.

  Step 907: The MME forwards the received first transport layer address acquisition response message to the eNB B.

  Step 908: eNB B updates the local SCTP configuration based on the received first transport layer address acquisition response.

  Further, the above plan further includes the following steps 909 to 914.

  Step 909: The eNB A transmits a second transport layer address acquisition request to the MME.

  The second transport layer address acquisition request includes the identification information of eNB B.

  Step 910: The MME forwards the second transport layer address acquisition request to the eNB B.

  Step 911: The eNB B transmits a second transport layer address acquisition response to the MME.

  The second transport layer address acquisition response message includes the transport layer address of eNB B, and the second transport layer address at which the second transport layer address is located is the current transport layer address after the change of eNB B. It is.

  Step 912: The MME forwards the received second transport layer address acquisition response message to the eNB A.

  Step 913: eNB A updates the local SCTP setting based on the received second transport layer address acquisition response.

  Step 914: Reestablish the SCTP connection between eNB A and eNB B.

(Example 2)
FIG. 10 is a flowchart of this example 2. As shown in FIG. 10, this example includes the following steps 1000 to 1009.

  Step 1000: eNB A and eNB B successfully establish SCTP connection.

  Step 1001: There is a change in the transport layer address of eNB A.

  Step 1002: The SCTP connection between eNB A and eNB B is disconnected.

  Step 1003: eNB A sends a first configuration direct transfer message to the MME.

  The first setting direct transfer message includes the changed transport layer address of the first network element and the identification information of the second network element.

  Step 1004: The MME forwards the first configuration direct transfer message to the eNB B.

  Step 1005: eNB B updates the local SCTP configuration based on the received first configuration direct transfer message.

  Step 1006: eNB B sends a second configuration direct transfer message to the MME.

  The second configuration direct transfer message includes the transport layer address of eNB B.

  Step 1007: The MME forwards the second configuration direct transfer message to the eNB A.

  Step 1008: eNB A updates the local SCTP configuration based on the received second configuration direct transfer message.

  Step 1009: Re-establish an SCTP connection between eNB A and eNB B.

  In a specific implementation process, the above-described connection establishment module 61, transport layer address transmission module 62, first setting direct transfer message generation module 63, transport layer address reception module 64, first setting update module 65, SCTP connection re-establishment. The establishment module 66 includes a central processing unit (CPU), a micro processing unit (MPU), a digital signal processor (DSP) or a programmable logic array (FPGA) in the first network element. Field-Programmable Gate Array). The second transport layer address receiving module 71, the second setting update module 72, the detection module 81, the transport layer address acquisition module 82, and the third setting update module 83 described above are the CPU, MPU, DSP in the second network element. Alternatively, it can be realized by an FPGA.

  It should be understood by one skilled in the art that embodiments of the present invention may be provided as a method, system or computer program product. Thus, the present invention may use a hardware embodiment, a software embodiment, or a combination of software and hardware embodiments. The present invention is also a computer program implemented on one or more computer-usable storage media (including but not limited to magnetic disk memory, optical memory, etc.) containing computer-usable program code. Product shape can be used.

  The present invention has been described with reference to flowchart illustrations and / or block diagrams of methods, devices (systems) and computer program products according to embodiments of the invention. It should be understood that computer program instructions can implement respective flows and / or blocks in flowcharts and / or block diagrams, and combinations of flows and / or blocks in flowcharts and / or block diagrams. . These computer program instructions can be provided to a general purpose computer, special purpose computer, embedded processor or other programmable data processing device processor to produce the equipment, and in this way the computer or other programmable data processing device From the instructions executed by the processor, a device is manufactured to implement a specified function in one or more flows of the flowchart and / or one or more blocks of the block diagram.

  These computer program instructions may be stored in a computer readable memory capable of guiding a computer or other programmable data processing device to operate in a specified manner, and thus the computer readable Manufacture a product including an instruction device from instructions stored in a memory, the instruction device realizing a specified function in one or more flows of a flowchart and / or one or more blocks of a block diagram To do.

  These computer program instructions may be mounted on a computer or other programmable data processing device, and in this way a sequence of operational steps performed on the computer or other programmable data processing device to implement the computer. So that instructions executed on a computer or other programmable data processing device may implement specified functions in one or more flows of the flowchart and / or one or more blocks of the block diagram Provide steps.

  The above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

  In an embodiment of the present invention, if a change occurs in the transport layer address of the first network element after the first network element and the second network element establish an SCTP connection, the first network element Send the transport layer address to the second network element. Thus, if the SCTP connection between the first network element and the second network element is disconnected due to a change in the transport layer address of the first network element, the changed transport layer By sending the address to the second network element, the SCTP connection between the first network element and the second network element can be quickly re-established.

In an embodiment of the present invention,
After the second network element establishes an SCTP connection with the first network element, the second network element, upon detecting that the SCTP connection is broken, obtains a transport layer address of the first network element;
The second network element is provided with a method for re-establishing a stream control transmission protocol SCTP connection including updating a local SCTP setting based on the acquired transport layer address.

In an embodiment of the present invention, an apparatus for re-establishing a stream control transmission protocol SCTP connection located in a second network element comprising:
A detection module that detects a connection state of the SCTP connection after the second network element and the first network element establish an SCTP connection, and triggers a transport layer address acquisition module when detecting that the SCTP connection is disconnected. When,
A transport layer address acquisition module that, when triggered by the detection module, acquires a transport layer address of the first network element;
There is provided an apparatus comprising: a third setting update module that updates a local SCTP setting based on an acquired transport layer address.

Specifically, the second network element updates the local SCTP setting based on the received transport layer address, and thereby the SCTP connection with the first network element based on the updated SCTP setting. Re-establish.

(Example 5)
In Example 5 of the present invention, an SCTP connection re-establishment device is provided, located in the second network element, and as shown in FIG. 7, the device comprises a second transport layer address receiving module 71, a second A setting update module 72;
The second transport layer address receiving module 71 transmits the transport of the first network element itself transmitted from the first network element after the SCTP connection between the second network element and the first network element is disconnected. Receiving the layer address,
The second setting update module 72 updates the local SCTP setting based on the received transport layer address.

Claims (20)

If a change occurs in the transport layer address of the first network element after the first network element and the second network element establish an SCTP connection, the first network element sets the transport layer address after the change to the second transport layer address. Sending to network elements,
A method for re-establishing a stream control transmission protocol SCTP connection including: The method according to claim 1, wherein the first network element and the second network element are evolved base stations eNB, and the transport layer address is an Internet protocol IP address. The first network element sends the changed transport layer address to the second network element,
The first network element sends a first set direct transfer message including the changed transport layer address of the first network element and the identification information of the second network element to the second network element via the third network element. The method according to claim 2, comprising transferring. The method according to claim 3, wherein the third network element is a mobility management entity MME. After the first network element sends the changed transport layer address to the second network element;
The first network element receives the transport layer address of the second network element itself transmitted from the second network element, and the first network element is locally based on the received transport layer address of the second network element itself. The method may further comprise re-establishing an SCTP setting of the second network element and re-establishing an SCTP connection with the second network element based on the updated SCTP setting. The method described. Receiving the transport layer address of the second network element itself transmitted from the second network element;
6. The first network element includes receiving a second set direct transfer message including the transport layer address of the second network element itself transferred from the second network element through the third network element. The method described. After the SCTP connection established between the second network element and the first network element is broken, the second network element receives the transport layer address of the first network element itself transmitted from the first network element. And
The second network element updates the local SCTP configuration based on the received transport layer address;
A method for re-establishing a stream control transmission protocol SCTP connection including: The method according to claim 7, wherein the first network element and the second network element are evolved base stations eNB, and the transport layer address is an Internet protocol IP address. The second network element receiving the transport layer address of the first network element itself transmitted from the first network element;
9. The second network element includes receiving a set direct transfer message including the transport layer address of the first network element itself, forwarded from the first network element via the third network element. Method. The method according to claim 9, wherein the third network element is a mobility management entity MME. After the second network element establishes an SCTP connection with the first network element, the second network element, upon detecting that the SCTP connection is broken, obtains a transport layer address of the first network element;
The second network element updates a local SCTP setting based on the obtained transport layer address;
A method for re-establishing the stream control transmission protocol SCTP including: The method according to claim 11, wherein the second network element and the first network element are evolved base stations eNB, and the transport layer address is an internet protocol IP address. The second network element obtains a transport layer address of the first network element;
The second network element sends a transport layer address acquisition request including identification information of the first network element to the third network element;
The method of claim 12, wherein the second network element is to receive a transport layer address acquisition response returned from the third network element, including the transport layer address of the first network element. The method according to claim 13, wherein the third network element is a mobility management entity MME. An apparatus for re-establishing a stream control transmission protocol SCTP connection located in a first network element,
A connection establishment module for establishing an SCTP connection between the first network element and the second network element;
An apparatus comprising: a transport layer address transmission module configured to transmit the changed transport layer address to the second network element when a change occurs in the transport layer address of the first network element. An apparatus for re-establishing a stream control transmission protocol SCTP connection located in a second network element,
Second transport layer address reception for receiving the transport layer address of the first network element itself transmitted from the first network element after the SCTP connection between the second network element and the first network element is broken Module,
A second configuration update module for updating the local SCTP configuration based on the received transport layer address. An apparatus for re-establishing a stream control transmission protocol SCTP located in a second network element,
A detection module that detects a connection state of the SCTP connection after the second network element and the first network element establish an SCTP connection, and triggers a transport layer address acquisition module when detecting that the SCTP connection is disconnected. When,
When triggered by the detection module, the transport layer address obtaining module for obtaining a transport layer address of the first network element;
A third setting update module for updating a local SCTP setting based on the acquired transport layer address.   A first computer readable storage medium comprising a set of instructions for performing the stream control transmission protocol SCTP connection re-establishment method according to any one of claims 1-6.   11. A second computer readable storage medium comprising a set of instructions for performing the stream control transmission protocol SCTP connection re-establishment method according to any one of claims 7-10. 15. A third computer readable storage medium comprising a set of instructions for performing the stream control transmission protocol SCTP connection re-establishment method according to any one of claims 11-14.

Images