CN102625470A - Communication connection establishing method and network element - Google Patents
Communication connection establishing method and network element Download PDFInfo
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- CN102625470A CN102625470A CN2012100606169A CN201210060616A CN102625470A CN 102625470 A CN102625470 A CN 102625470A CN 2012100606169 A CN2012100606169 A CN 2012100606169A CN 201210060616 A CN201210060616 A CN 201210060616A CN 102625470 A CN102625470 A CN 102625470A
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Abstract
The invention provides a communication connection establishing method and a network element, and aims to solve the problem of low standardization level of communication connection realized between the network elements of a self-organized network in the prior art. The method mainly comprises the following steps of: sending an inquiry message comprising a target access network entity identifier to an intermediate network element; receiving the transport layer address information sent by the intermediate network element, wherein the transport layer address information is obtained by the intermediate network element according to the target access network entity identifier; and establishing communication connection with the target access network entity according to the transport layer address information, wherein the intermediate network element is a network element management system, or a second access network entity or user equipment. Through the method, the standardization level of communication connection between the network elements in a self-organized network can be improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method and the network element that establish a communications link.
Background technology
Along with development of Communication Technique, the wireless performance of 3G network is greatly improved, and at present, self-organizing network occurred, and this network of network self-organization is an important characteristic, and is significant with operation for reducing artificial planning.Such as, long-term evolution self-organizing network (LTE SON, Long Term Evolution Self Optimized Network).In the prior art, in the time of between two network elements, need establishing a communications link, the prerequisite that must satisfy is to know the other side's transport layer address information; Just can establish a communications link, find that like sub-district A sub-district B belongs to the adjacent area and handoff relation is arranged, and belong to different network elements; But because communication connects and not to be used for switching, cause switching time long, needing this moment between sub-district A and the sub-district B can dynamic creation communicate by letter with being connected is used for switching; Reach the purpose of optimizing network, embodied the self-organization of network.
At present, mainly be through nslookup server (DNS, Domain Name Server), obtain the transport layer address according to network element ID, but this scheme is a proprietary protocol, standardization level is not high.
Summary of the invention
The embodiment of the invention provides method and the network element that establishes a communications link, and the technical scheme of using the embodiment of the invention to provide can realize dynamically obtaining the transport layer address information according to the network element ID of network element, establishes a communications link according to the transport layer address information.
The purpose of the embodiment of the invention realizes through following technical scheme:
The embodiment of the invention provides a kind of method that between network element, establishes a communications link, and comprising: the source access network entity is sent the query messages that comprises the target access network entity identification to intermediate NE; The source access network entity receives the transport layer address information that said intermediate NE sends, and said transport layer address information is obtained according to said target access network entity identification by said intermediate NE; The source access network entity according to said transport layer address information set up with the target access network entity between communication be connected; Said intermediate NE is an Element management system, or second access network entity, or subscriber equipment.
The embodiment of the invention also provides a kind of communication means, comprising: the query messages that comprises the target access network entity identification that intermediate NE reception sources access network entity is sent; Intermediate NE obtains the transport layer address information of target access network entity according to said target access network entity identification; Intermediate NE sends to said source access network entity with said transport layer address information; Said intermediate NE is an Element management system, or second access network entity, or subscriber equipment.
The embodiment of the invention also provides the another kind of method that between network element, establishes a communications link, and comprising: the target access network entity receives the request message that intermediate NE sends, and this request message comprises the transport layer address information of source access network entity; The target access network entity according to the transport layer address information of said source access network entity set up with the source access network entity between communication be connected.
The embodiment of the invention provides a kind of method of maintenance information, comprising: receive the transport layer address information of access network entity, this transport layer address information is used to set up the interface between access network entity; Preserve said transport layer address information.
The embodiment of the invention also provides a kind of network element, comprising: inquiry receiving element, acquiring unit, transmitting element; Said inquiry receiving element is used for the query messages that comprises the target access network entity identification that the reception sources access network entity is sent; Said acquiring unit, the target access network entity identification of the query messages that is used for receiving according to said inquiry receiving element obtains the transport layer address information of target access network entity; Said transmitting element, the transport layer address information that is used for that said acquiring unit is obtained sends to said source access network entity, and said network element is an Element management system, or second access network entity, or subscriber equipment.
The technical scheme of using the embodiment of the invention to provide; Can realize that intermediate NE obtains the transport layer address information of target access network entity or source access network entity according to network element ID, realize that with the transport layer address information source access network entity is connected purpose with communication between the target access network entity.
Description of drawings
Fig. 1 is the sketch map of the embodiment one of the method that between network element, establishes a communications link in the embodiment of the invention;
Fig. 2 is the sketch map of the embodiment two of the method that between network element, establishes a communications link in the embodiment of the invention;
Fig. 3 is the structural representation of the embodiment one of a kind of network element in the embodiment of the invention;
Fig. 4 is the structural representation of the embodiment two of a kind of network element in the embodiment of the invention;
Fig. 5 is the structural representation of the embodiment one of a kind of communication system in the embodiment of the invention;
Fig. 6 is the structural representation of the embodiment two of a kind of communication system in the embodiment of the invention.
Embodiment
For make the object of the invention, technical scheme, and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to specifying in the present embodiment of the present invention.
This paper is that example describes with the long-term evolution self-organizing network in the self-organizing network, access network entity under the long-term evolution self-organizing network.Correspondingly; Under aforementioned prerequisite, the interface between source access network entity and the core network element (MME, Mobility Management Entity) can be the S1 interface; Source access network entity and subscriber equipment (UE; User Equipment) interface between can be the Uu interface, the source access network entity and second network element be the interface between the access network entity can be and access network entity between interface, Element management system (EMS; Element Management System) with NMS (NMS, Network Management System) between interface can be the OAM interface.
The embodiment one of the method that between network element, establishes a communications link is as shown in Figure 1:
Step 101: the source access network entity is sent the query messages that comprises the target access network entity identification to intermediate NE.
Step 102: the source access network entity receives the transport layer address information of the target access network entity of intermediate NE transmission, and the transport layer address information is obtained according to the target access network entity identification by intermediate NE.
In the present embodiment; If intermediate NE oneself has been preserved the transport layer address information tabulation that is used to set up interface; This tabulation comprises the transport layer address information corresponding relation of access network entity sign and access network entity, and intermediate NE can directly obtain the transport layer address information of access network entity and feed back to the source access network entity through inquiring about this tabulation this moment; Perhaps, if intermediate NE is not preserved the tabulation of transport layer address information, intermediate NE obtains and the corresponding transport layer address information of access network entity sign through inquiring about other network elements, and feeds back to the source access network entity.
Step 103: the source access network entity according to the transport layer address information set up with the target access network entity between be connected.
In the present embodiment, when middle network element is core network element,
The source access network entity through and core network element between the S1 interface send the query messages comprise the target access network entity identification to core network element.
The source access network entity receives the transport layer address information that core network element sends through the S1 interface, and the transport layer address information is obtained according to the target access network entity identification by core network element.In the present embodiment, if core network element inquiry failure is then sent failure information to the source access network entity.
In the present embodiment, core network element is specially according to the method that the target access network entity identification obtains the transport layer address information of target access network entity: core network element through and second core network element between the S10 interface send the query messages comprise the target access network entity identification to second core network element;
Core network element receives the transport layer address information that second core network element sends, and the transport layer address information is that second core network element obtains according to the target access network entity identification.
In practice, core network element generally can not safeguarded the transport layer address of all access network entity in the whole public land mobile network (PLMN, Public Land Mobile Network); Generally be that the interior core network element of a core network element group safeguards that with its core network element group access network entity sign that is connected and the transport layer address that is used to connect thereof are arranged.Therefore when two access network entity that are connected to different core network element group need connect, need stride the inquiry of core network element this moment, and therefore the S10 interface that defines between the core network element and second core network element of needs is used for relevant inquiring.
It is more powerful more than to stride the scheme function that core network element inquires about, and makes the source access network entity can obtain the transport layer address information of required target access network entity more conveniently.
In the present embodiment, when middle network element was Element management system, the transport layer address information that Element management system obtains the target access network entity according to the sign of target access network entity comprised:
Element management system through and NMS between the OAM interface send the query messages comprise the target access network entity identification to NMS;
The transport layer address information that Element management system receiving network managing system sends, the transport layer address information is that NMS is obtained according to the target access network entity identification.
In the present embodiment, if failure information is then sent in Element management system inquiry failure.
In the present embodiment; When middle network element is subscriber equipment; The sign of the target access network entity that comprises in the query messages that the source access network entity is sent is specially: the Physical Cell Identifier (Phy-CID of sub-district, target access network entity place; Physical Cell Indentity) or global cell identity (GCI, Global Cell Indentity), the transport layer address information body that this moment, subscriber equipment obtained the target access network entity according to the sign of target access network entity comprises:
Subscriber equipment reads the transport layer address information that the target access network entity sends through the Uu interface according to the target access network entity identification.
In the present embodiment, the transport layer address information can be complete transport layer address information; In order to save interface-free resources, also can be the part of complete transmission layer address information, as long as the target access network entity can unique identification.
The transport layer address information that this moment, subscriber equipment sent the target access network entity to the source access network entity specifically comprises:
In the time connecting between subscriber equipment judgement source access network entity and the target access network entity, subscriber equipment sends to the source access network entity with the transport layer address information.
To the transport layer address information that subscriber equipment inquires, following several kinds of schemes are arranged specifically:
First kind, subscriber equipment does not process, and the information that reads is sent to the source access network entity;
Second kind; Subscriber equipment can be done corresponding judgement; Information after filtering is sent to access network entity, and whether because the source access network entity was not know whether can connect with the target access network entity before inquiry, can connect lets subscriber equipment go to judge.That is,
Subscriber equipment reads the broadcast of target access network entity; If the source of discovery access network entity can not connect with the target access network entity (belonging to different core network element ponds such as two access network entity); Though can read the transport layer address information of target access network entity broadcasts, not send this information to the source access network entity.
Among the embodiment, can also comprise after the step 103:
The source access network entity is through other transport layer address of the connection query aim access network entity of foundation;
The source access network entity utilizes other transport layer address to set up the SCTP coupling.
In the present embodiment, when middle network element also is the access network entity access network entity, when being called second access network entity here,
Source access network entity access network entity is sent the query messages that comprises the target access network entity identification to the second access network entity access network entity;
Receive the transport layer address information that the second access network entity access network entity is sent, the transport layer address information is that the second access network entity access network entity is obtained according to the target access network entity identification.
In the present embodiment, second access network entity can be obtained above-mentioned transport layer address information to other access network entity or core network entity.
In the present embodiment, if failure information is then sent in access network entity inquiry failure.
The message of carrying various information needed that needs in the present embodiment to use can increase parameter in existing message, also can use newly-increased message.In step 102; Intermediate NE can self maintained and is preserved the transport layer address information that corresponding relation is arranged with the access network entity sign; In such cases, intermediate NE is identified at the required transport layer address information of query source access network entity in self the memory cell according to access network entity.Intermediate NE can also self not preserved the transport layer address information, but inquires about dynamically to the target access network entity according to the target access network entity identification, obtains the transport layer address information of target access network entity.
Existing is that example is elaborated once more to comprise that Query Information switches (Handover Required) message as the requirement of parameter, and it is prerequisite that this example is not preserved the transport layer address information with intermediate NE self:
Parameter in Handover Required message; For example; The source access network entity increases a parameter in the transparent vessel (Transparent Container) that the target access network entity sends, parameter name is called transport layer address lookup (Transport Address Query).
Core network element passes to the target access network entity to Transport Address Query parameter through Handover Request message;
If the target access network entity is received Transport Address Query parameter; Can reply in handoff request and transmit its transport layer address information that is used to connect in (Handover Request Acknowledge) message; For example, in the transparent vessel that the source access network entity is sent, increase this parameter at the target access network entity.
Carry the transport layer address that is used to connect of target access network entity in the switching command that the source access network entity is received from core network element (Handover Command) message, foundation connects with the target access network entity.
The message of carrying various information needed that needs in the present embodiment to use can increase parameter in existing message, also can use newly-increased message.
In embodiments of the present invention; Because intermediate NE obtains the transport layer address information of target access network entity or source access network entity according to network element ID, realize that according to the transport layer address information source access network entity is connected purpose with communication between the target access network entity.
The embodiment two of the method that between network element, establishes a communications link is following:
Step 201: the target access network entity receives intermediate NE and sends second request message, and second request message comprises the transport layer address information of source access network entity;
Step 202: the target access network entity according to the transport layer address information of source access network entity set up with the source access network entity between be connected.
Intermediate NE in the embodiment of the invention can be a kind of in core network element, access network entity, subscriber equipment, the Element management system etc.
In the present embodiment,
Also comprise before the step 201:
The source access network entity is sent first request message that connects with the target access network entity to intermediate NE, and first request message comprises source access network entity sign;
At this moment, intermediate NE obtains the transport layer address information of source access network entity according to the source access network entity sign in first request message.
In the present embodiment, also comprise before the step 201:
The source access network entity is sent first request message that connects with the target access network entity to intermediate NE, and first request message comprises the transport layer address information of source access network entity.
Be example explanation present embodiment with the Handover Required message that comprises Query Information below, it is prerequisite that this example is not preserved the transport layer address information with intermediate NE self:
Parameter in Handover Required message; For example the source access network entity increases a parameter in the transparent vessel that the target access network entity sends; Parameter name is called access network entity transport layer address (eNB Transport Address), is used for source its transport layer address information that is used to connect of access network entity transmission and gives the target access network entity;
Core network element passes to the target access network entity to eNB Transport Address parameter through Handover Request message;
If the target access network entity is received eNB Transport Address parameter, mean that the target access network entity need connect with the source access network entity;
The target access network entity sends Handover Request Acknowledge message (existing message is not changed) to core network element;
The source access network entity is received the Handover Command message (existing message is not changed) that core network element sends;
Target access network entity and source access network entity connect.
In addition, this programme can also take source access network entity self to carry out the inquiry of target access network entity transmission layer address information, and prerequisite is that source access network entity self is safeguarded the transport layer address information of target access network entity.Maintaining method can have following several kinds:
First kind, manual work is planned in advance, and is provided with to the source access network entity through the OAM interface.
Second kind,, obtain corresponding relation through interface inquiry between the access network entity.Preserve corresponding relation such as certain or some access network entity, other had not before preserved or had preserved the access network entity of old corresponding relation, can upgrade corresponding relation through this interface.
The third is through the interface between source access network entity and the core network element (the for example S1 interface among the LTE).When access network entity startup or information change, core network element can be told the relation of corresponding target access network entity identification of this source access network entity and target access network entity transmission layer address information.
In embodiments of the present invention; Because intermediate NE obtains the transport layer address information of target access network entity or source access network entity according to network element ID, realize that according to the transport layer address information source access network entity is connected purpose with communication between the target access network entity.
The embodiment of the invention also provides the method for two kinds of core network element maintenance informations,
First method comprises:
Core network element through and other core network element between the transport layer address information of other core network element of S10 interface inquiry access network entity of preserving identify with access network entity; Between transport layer address information and the access network entity sign corresponding relation is arranged, this transport layer address information is used to set up the connection between access network entity;
Core network element is preserved the transport layer address information that the access network entity of corresponding relation is arranged with the access network entity sign.
Second method comprises:
Core network element receives the transport layer address information that access network entity is sent; This transport layer address information is used to set up the connection between access network entity, and the transport layer address information is included in the connection of access network entity transmission and sets up in message or the access network entity configuration update message;
Core network element is preserved the transport layer address information of access network entity.
Certainly, core network element is safeguarded and can also be planned in advance through manual method the transport layer address information, is provided with to core network element through the OAM interface.
The method of these core network element maintenance informations makes core network element can dynamically obtain the transport layer address information, sets up demand to adapt to communicating by letter between source access network entity and the target access network entity.
A kind of network element is that the embodiment one of source access network entity is as shown in Figure 3:
The source access network entity comprises query unit 301, receiving element 302, sets up unit 303;
Receiving element 302 is used to receive the transport layer address information that intermediate NE sends, and the transport layer address information is that intermediate NE obtains according to the target access network entity identification in the query messages of query unit 301 transmissions;
Set up unit 303, the transport layer address information that is used for receiving according to receiving element 302 set up with the target access network entity between be connected.
In the present embodiment, when middle network element is core network element,
Receiving element 302 is used to receive the transport layer address information that core network element sends through the S1 interface, and the transport layer address information is that core network element obtains according to the target access network entity identification in the query messages of query unit 301 transmissions.
In the present embodiment, when middle network element is Element management system,
Receiving element 302 specifically is used to receive the transport layer address information that Element management system sends through network management interface, and the transport layer address information is that Element management system obtains according to the target access network entity identification in the query messages of query unit 301 transmissions.
In the present embodiment, when middle network element is second network element when being access network entity,
Receiving element 302 specifically is used to receive the transport layer address information that access network entity is sent through interface, and the transport layer address information is that access network entity is obtained according to the target access network entity identification in the query messages of query unit 401 transmissions.
In the present embodiment, when middle network element is subscriber equipment,
Receiving element 303; Specifically be used to receive the transport layer address information that subscriber equipment sends through the Uu interface, the Physical Cell Identifier or the global cell identity of the transport layer address information sub-district, target access network entity place that to be subscriber equipment send according to query unit 301 obtain.
In the present embodiment, query unit 301, also be used for set up unit 303 set up according to the transport layer address information with the target access network entity between step of connecting after, other transport layer address of the connection query aim access network entity through foundation;
Set up unit 303, the SCTP coupling is set up in other transport layer address that also is used to utilize query unit 301 to inquire.
In embodiments of the present invention; Because intermediate NE obtains the transport layer address information of target access network entity or source access network entity according to network element ID, realize that according to the transport layer address information source access network entity is connected purpose with communication between the target access network entity.
A kind of network element is that the embodiment two of intermediate NE is as shown in Figure 4:
Intermediate NE comprises inquiry receiving element 401, acquiring unit 402, transmitting element 403;
Acquiring unit 402, the target access network entity identification of the query messages that is used for receiving according to inquiry receiving element 401 obtains the transport layer address information of target access network entity;
Transmitting element 403, the transport layer address information that is used for acquiring unit 402 is obtained sends to the source access network entity.
In the present embodiment, when middle network element was core network element, acquiring unit 402 comprised:
Stride the nucleoreticulum query unit, stride the nucleoreticulum receiving element;
Stride the nucleoreticulum query unit, be used for sending the query messages that comprises the target access network entity identification to second core network element;
Stride the nucleoreticulum receiving element, be used to receive the transport layer address information that second core network element sends, the transport layer address information is that second core network element obtains according to the target access network entity identification in the query messages of striding the transmission of nucleoreticulum query unit.
In the present embodiment, when middle network element was Element management system, acquiring unit 402 comprised:
Webmaster query unit, webmaster receiving element;
The webmaster query unit, be used for through and NMS between the OAM interface send the query messages comprise the target access network entity identification to NMS;
The webmaster receiving element is used for the transport layer address information that the receiving network managing system sends, and the transport layer address information is that NMS is obtained according to the target access network entity identification in the query messages of webmaster query unit transmission.
In the present embodiment, when middle network element is subscriber equipment,
Acquiring unit 402 specifically is used for reading the transport layer address information that the target access network entity sends through the Uu interface according to the target access network entity identification of the query messages of inquiring about receiving element 401 receptions.
Can in the present embodiment, when middle network element was subscriber equipment, subscriber equipment also comprises judging unit, be used to judge between source access network entity and the target access network entity and connect.
Transmitting element 403 specifically is used in the time connecting between judgment unit judges source access network entity and the target access network entity, the transport layer address information being sent to the source access network entity.
In embodiments of the present invention; Because intermediate NE obtains the transport layer address information of target access network entity or source access network entity according to network element ID, realize that according to the transport layer address information source access network entity is connected purpose with communication between the target access network entity.
A kind of embodiment one of communication system is as shown in Figure 5, comprising:
Source access network entity 501, intermediate NE 502;
Source access network entity 50 ¨ source access network entity 501; Be used for sending the query messages comprise the target access network entity identification to intermediate NE, the transport layer address information of the target access network entity that sends according to intermediate NE set up with the target access network entity between be connected.
In embodiments of the present invention; Because intermediate NE obtains the transport layer address information of target access network entity or source access network entity according to network element ID, realize that according to the transport layer address information source access network entity is connected purpose with communication between the target access network entity.
A kind of embodiment two of communication system is as shown in Figure 6, comprising:
Source access network entity 601, intermediate NE 602, target access network entity 603;
Source access network entity 601 is a source access network entity 601; Being used for to intermediate NE 602 transmissions is first request message that target access network entity 603 connects with target access network entity 603, and first request message comprises the access network entity sign of source access network entity 601;
Target access network entity 603, the transport layer address information of the second request message source access network entity 601 that is used for sending according to intermediate NE 602 set up with source access network entity 601 between be connected.
In the present embodiment, intermediate NE 602 comprises:
Obtain address location, transmitting element;
Obtain address location, be used for obtaining the transport layer address information of source access network entity according to the access network entity sign of the source access network entity of first request message;
Transmitting element is used for sending second request message that connects to the target access network entity, and second request message comprises the transport layer address information of the source access network entity of obtaining.
In the present embodiment,
In embodiments of the present invention; Because intermediate NE obtains the transport layer address information of target access network entity or source access network entity according to network element ID, realize that according to the transport layer address information source access network entity is connected purpose with communication between the target access network entity.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; This program comprises the steps: when carrying out
Send the query messages that comprises the target access network entity identification to intermediate NE;
Receive the transport layer address information that said intermediate NE sends, said transport layer address information is that said intermediate NE obtains according to said target access network entity identification;
According to said transport layer address information set up with the target access network entity between communication be connected.
And/or following steps:
The query messages that comprises the target access network entity identification that the reception sources access network entity is sent;
Obtain the transport layer address information of target access network entity according to said target access network entity identification;
Said transport layer address information is sent to said source access network entity.
And/or following steps:
Receive the request message that intermediate NE sends, this request message comprises the transport layer address information of source access network entity;
According to the transport layer address information of said source access network entity set up with the source access network entity between communication be connected.
And/or following steps:
Core network element obtains the transport layer address information of network element;
Preserve the transport layer address information of said network element.
The method that the embodiment of the invention provides can also be used for other system, and like WCDMA, at this moment, the entity that establishes a communications link is RNC, perhaps GSM, and at this moment, the entity that connects is BTS.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than the method that establishes a communications link, network element and system that the embodiment of the invention provided have been carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. a method that between network element, establishes a communications link is characterized in that, comprising:
The source access network entity is sent the query messages that comprises the target access network entity identification to intermediate NE;
The source access network entity receives the transport layer address information that said intermediate NE sends, and said transport layer address information is obtained according to said target access network entity identification by said intermediate NE;
The source access network entity according to said transport layer address information set up with the target access network entity between communication be connected;
Said intermediate NE is an Element management system, or second access network entity, or subscriber equipment.
2. the method that between network element, establishes a communications link according to claim 1; It is characterized in that; When said intermediate NE was subscriber equipment, said target access network entity identification was specially: the Physical Cell Identifier or the global cell identity of sub-district, target access network entity place.
3. the method that between network element, establishes a communications link according to claim 2 is characterized in that,
Said source access network entity according to said transport layer address information set up with the target access network entity between the step of connecting of communicating by letter also comprise afterwards:
Other transport layer address that connects the query aim access network entity through the communication of setting up;
Utilize said other transport layer address to set up the SCTP coupling.
4. a communication means is characterized in that, comprising:
The query messages that comprises the target access network entity identification that intermediate NE reception sources access network entity is sent;
Intermediate NE obtains the transport layer address information of target access network entity according to said target access network entity identification;
Intermediate NE sends to said source access network entity with said transport layer address information;
Said intermediate NE is an Element management system, or second access network entity, or subscriber equipment.
5. communication means according to claim 4 is characterized in that,
When said intermediate NE was Element management system, the said step of obtaining the transport layer address information of target access network entity according to said target access network entity identification specifically comprised: according to said target access network entity identification to the NMS inquiry and obtain said transport layer address information; Perhaps,
When said intermediate NE was second access network entity, the said step of obtaining the transport layer address information of target access network entity according to said target access network entity identification specifically comprised: according to said target access network entity identification to other access network entity or core network entity inquiry and obtain said transport layer address information; Perhaps,
When said intermediate NE was subscriber equipment, the said step of obtaining the transport layer address information of target access network entity according to said target access network entity identification specifically comprised: read the transport layer address information that said target access network entity sends according to said target access network entity identification.
6. communication means according to claim 5 is characterized in that, when middle network element was subscriber equipment, the said step that said transport layer address information is sent to said source access network entity specifically comprised:
In the time establishing a communications link between judgement source access network entity and the target access network entity, said transport layer address information is sent to said source access network entity.
7. a method that between network element, establishes a communications link is characterized in that, comprising:
The target access network entity receives the request message that intermediate NE sends, and this request message comprises the transport layer address information of source access network entity;
The target access network entity according to the transport layer address information of said source access network entity set up with the source access network entity between communication be connected.
8. the method that between network element, establishes a communications link according to claim 7; It is characterized in that; The transport layer address information of said source access network entity is obtained according to the sign of source access network entity by said intermediate NE, and perhaps access network entity is directly obtained from said source.
9. the method for a maintenance information is characterized in that, comprising:
Receive the transport layer address information of access network entity, this transport layer address information is used to set up the interface between access network entity;
Preserve said transport layer address information.
10. method as claimed in claim 9; It is characterized in that; When core network element receives the said transport layer address information of obtaining access network entity, be specially: obtain the transport layer address information of said network element and the sign of said network element from other core network elements; Perhaps, from the said transport layer address information of said access network entity message; Perhaps,
When subscriber equipment received the transport layer address information of access network entity, be specially: said subscriber equipment read the broadcast message of said access network entity and obtains said transport layer address information.
11. a network element is characterized in that, comprising:
Inquiry receiving element, acquiring unit, transmitting element;
Said inquiry receiving element is used for the query messages that comprises the target access network entity identification that the reception sources access network entity is sent;
Said acquiring unit, the target access network entity identification of the query messages that is used for receiving according to said inquiry receiving element obtains the transport layer address information of target access network entity;
Said transmitting element, the transport layer address information that is used for that said acquiring unit is obtained sends to said source access network entity;
Said network element is an Element management system, or second access network entity, or subscriber equipment.
12. network element according to claim 11 is characterized in that, said acquiring unit comprises:
Stride the nucleoreticulum query unit, stride the nucleoreticulum receiving element;
The said nucleoreticulum query unit of striding is used for sending the query messages that comprises said target access network entity identification to second core network element;
The said nucleoreticulum receiving element of striding; Be used to receive the said transport layer address information that said second core network element sends, to be said second core network element obtain according to said target access network entity identification of striding in the query messages that the nucleoreticulum query unit sends said transport layer address information.
13. network element according to claim 12 is characterized in that, said acquiring unit comprises:
Webmaster query unit, webmaster receiving element;
Said webmaster query unit, be used for through and NMS between network management interface send the said query messages that comprises the target access network entity identification to said NMS;
Said webmaster receiving element; Be used to receive the transport layer address information that said NMS is sent, said transport layer address information is that said NMS is obtained according to the target access network entity identification in the query messages of said webmaster query unit transmission.
14. network element according to claim 13 is characterized in that,
Said acquiring unit, the target access network entity identification of the query messages that specifically is used for receiving according to said inquiry receiving element reads the transport layer address information that said target access network entity sends.
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