CN100518179C - Method for realizing instructure self circulation in No.7 signalling system - Google Patents
Method for realizing instructure self circulation in No.7 signalling system Download PDFInfo
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- CN100518179C CN100518179C CNB2004100695064A CN200410069506A CN100518179C CN 100518179 C CN100518179 C CN 100518179C CN B2004100695064 A CNB2004100695064 A CN B2004100695064A CN 200410069506 A CN200410069506 A CN 200410069506A CN 100518179 C CN100518179 C CN 100518179C
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Abstract
This invention provides a method for realizing signaling self-ring in NO.7 signaling system, the core of which is: determining mutual self-ringed signaling links and self-ringed link information of signaling links separately to load it in the self-ringed information, which is transmitted in the self-ringed links. This invention can transmit the self-ringed information in the set-up self-ringed links by configuring self-ringed link information of signaling links and utilizing it.
Description
Technical field
The present invention relates to the network communications technology field, be specifically related to the implementation method that signaling is encircled certainly in a kind of No.7 signalling system.
Background technology
Telecommunication apparatus is a very complex apparatus of a kind of structure, and the internal structure of telecommunication apparatus and the interconnection schematic diagram between the telecommunication apparatus are as shown in Figure 1.
In Fig. 1, telecommunication apparatus inside mainly comprises: the physical carrier layer is that message transfer part layer one, link layer are that message transfer part layer two, network layer are message transfer part layer three and application layer.Physical carrier layer, link layer and network layer can be referred to as three layers of message transfer part.Interconnection between the telecommunication apparatus is mainly by realizations such as some switching equipment such as ATM switch.
Because telecommunication apparatus requires the signaling link of bottom that very high reliability is arranged, the process of setting up that therefore signaling link of three layers of message transfer part was all arranged before communicating between telecommunication apparatus, this is set up process and mainly comprises: at first in network layer and the relevant signaling link data of link layer configuration, and in physical layer carrying and middle all switching equipment, dispose corresponding ATM exchange or E1 exchange simultaneously, link layer begins to carry out link test then, after link layer is tested successfully, network layer is carried out the signaling link test of three layers of message transfer part again, just notifies application layer can use network layer to carry out transmission of messages after all testing successfully; After application layer is carried out various configurations, can carry out the transmission of messages of application layer.
Intermediate link in the process is various owing to setting up at above-mentioned signaling link, application layer because of reasons such as new business introducing, edition upgrading, test be frequent through regular meeting occur that data configuration is made mistakes, the software of network layer and link layer is made mistakes, the physics of bottom continues phenomenon such as make mistakes, the application layer configuration makes mistakes; when above-mentioned arbitrary phenomenon occurring, all can cause the transmission of messages failure of application layer.
When the transmission of messages of application layer is failed, should position fault as early as possible, so that fix a breakdown as early as possible.The method that fault is positioned adopts Signaling System Number 7 to realize from the method for ring usually at present.Signaling System Number 7 mainly comprises following two kinds from the implementation method of ring:
Method one: message transfer part layer three is not done any processing in transmission when encircling message, by revising the interface message of message transport layer two, require message transport layer two to three loopback of message transfer part layer when encircling message with on the ring certainly consulted of both sides start sign, message transfer part layer three need carry out starting Mark Detection from ring to every message that message transport layer two transmission come, if message transfer part layer three is receiving that the band that message transport layer two reports starts the message of ring certainly that indicates from ring, can get rid of three layers of possibility that breaks down of message transfer part.
Should be to use single-link to carry out from the ring method, message transfer part layer three detects and carries when ring starts the message of ring certainly of sign, do not detect encircling message certainly, think from encircling OPC in the message (OPC Origination Point Code) field, DPC (Destination Point Code) field and SLC (Signaling Link Code) field all are correct, therefore should can not get rid of owing to the inconsistent link error that causes of SLC configuration from the ring method, can not really get rid of three layers of possibility that breaks down of message transfer part; And the primitive interface of message transport layer two and message transfer part layer three has adopted non-standard interface in this method, has limited the range of application of this method.
Method two: initiate No. seven a ring request certainly to switch by the Operation and Maintenance platform; Switch is removed the blocked state of relevant repeat circuit and switching network time slot, makes it to enter idle condition; User Part is before No. seven message of MTP-L3 transmission, and judging whether will be from ring, if then source address and destination address in No. seven message are exchanged; If not, then User Part directly sends to No. seven message the HMRT of MTP-L3; After last HMRT received No. seven message that User Part sends, judging whether will be from ring, if then message is directly mail to HMRT; Otherwise, No. seven message are sent to MTP-L2 after by buffer memory.
This method is to carry out can get rid of the possibility that application layer breaks down, but this method relating to the operation of switch repeat circuit from ring in application layer, and operation is comparatively complicated.
Summary of the invention
The objective of the invention is to, the implementation method that signaling is encircled certainly in a kind of No.7 signalling system is provided, utilize signaling link from loop chain road information, certainly encircle carry in the message from loop chain road information, make technical scheme provided by the invention can really get rid of three layers of possibility that breaks down of message transfer part, thereby realized improving the purpose of fault location accuracy.
For achieving the above object, signaling comprises from the implementation method of ring in a kind of No.7 signalling system provided by the invention:
A, definite each other from the signaling link that encircles;
B, respectively determine signaling link from loop chain road information;
C, with described from loop chain road information-bearing in encircling in the message certainly, and transmitting in the loop chain road from encircling message described.
Comprise from the signaling link that encircles each other among the described step a: each other from two signaling links that encircle.
Among the described step a from the signaling link that encircles be each other: signaling link a and signaling link b;
Described step a also comprises:
The receiving terminal of signaling link a is connected with the transmitting terminal of signaling link b;
The transmitting terminal of signaling link a is connected with the receiving terminal of signaling link b.
Described step b comprises:
What dispose described signaling link a is the link information of signaling link b from loop chain road information;
What dispose described signaling link b is the link information of signaling link a from loop chain road information.
Described link information comprises: Signaling Link Code.
Described step c comprises:
Message transfer part floor three with described signaling link a from loop chain road information-bearing in the Signaling Link Code territory of encircling request message certainly, and with described from encircling request message is sent to signaling link b by signaling link a receiving terminal.
Described step c also comprises:
Message transfer part floor three with described signaling link b from loop chain road information-bearing in the Signaling Link Code territory of encircling response message certainly, and with described from encircling response message is sent to signaling link a by signaling link b receiving terminal.
Describedly comprise from encircling request message: Signaling Link Test Message, application layer user message;
Describedly comprise from encircling response message: signaling link test response message, application layer user's response message.
Described method also comprises:
When the link information of described signaling link a and described signaling link a when loop chain road information is inequality, the message that the receiving terminal of described signaling link a is received is defined as from encircling message;
Exchange from OPC Origination Point Code that encircles message and Destination Point Code described.
Described method also comprises:
Obtain the signaling point code of the receiving terminal place signalling point of described signaling link a;
The OPC Origination Point Code message identical with the signaling point code of described signalling point of the message that the receiving terminal of described signaling link a is received is defined as oneself and encircles message;
Exchange from OPC Origination Point Code that encircles message and Destination Point Code described.
Description by technique scheme can obviously be learnt, the present invention is by being set to two signaling links from the loop chain road mutually, the configuration signal link from loop chain road information, and utilize from encircle carry in the message from loop chain road information, making can be in transmission smoothly in the loop chain road from encircling message; When the receiving terminal of two signaling links and transmitting terminal interconnection, when loop chain road information is Signaling Link Code, the Signaling Link Code from the loop chain road of signaling link is carried on from encircling in the Signaling Link Code territory of message, makes technical scheme provided by the invention be easy to realize; Owing to encircle the transmission of message certainly among the present invention, and Signaling Link Code detected, so the present invention can really get rid of three layers of possibility that breaks down of signalling point message transfer part through three layers of message transfer part; When two signaling links were a signaling link physically, technical scheme provided by the invention can realize that equally signaling is from ring; Thereby make the scope of application of the present invention more extensive, realized improving the purpose of fault location accuracy.
Description of drawings
Fig. 1 is the internal structure of telecommunication apparatus and the interconnection schematic diagram between the telecommunication apparatus;
Fig. 2 is the connection diagram of the signaling link that encircles certainly each other of the present invention;
Fig. 3 is the link information flow chart of configuration signal link of the present invention;
Fig. 4 is that realization of the present invention is from encircling the transmission of messages flow chart;
Fig. 5 is the flow chart that signalling point of the present invention is received from ring message.
Embodiment
Core of the present invention is: determine each other signaling link from ring, and determine respectively signaling link from loop chain road information; When needs carry out signaling when encircling, will be from loop chain road information-bearing in encircling in the message certainly, and this is encircled message certainly in the loop chain road, transmitting.
Based on core concept of the present invention technical scheme provided by the invention is further described below.
The present invention at first needs to determine each other the signaling link of ring certainly, and the signaling link from ring can comprise two signaling links each other, also can only comprise a signaling link.Be that example describes technical scheme provided by the invention each other from the loop chain road with two signaling links below.
When using two signaling links to carry out signaling when encircling, can adopt the receiving terminal of two signaling links and the method for transmitting terminal interconnection are set up from the loop chain road, as shown in Figure 2.
In Fig. 2, signaling link a and signaling link b are each other from the signaling link that encircles, the receiving terminal of signaling link a is connected with the transmitting terminal of signaling link b, the transmitting terminal of signaling link a is connected with the receiving terminal of signaling link b, and signaling link a and signaling link b can successfully set up from the loop chain road like this.From the physical connection of message transport layer one, encircle message can transfer to signaling link a from the transmitting terminal of signaling link a by signaling link a and signaling link b receiving terminal certainly.
After having realized that above-mentioned physical layer from the loop chain road connects, need dispose it respectively from loop chain road information to these two signaling links.In Fig. 2, what need configuration signal link a is signaling link b from the loop chain road, and configuration signal link b's is signaling link a from the loop chain road.
The present invention can adopt Signaling Link Code as signaling link from loop chain road information.As in Fig. 2, if setting the Signaling Link Code of signaling link a is a, the Signaling Link Code of signaling link b is b, so, the present invention can by configuration signal link a such as data configuration platform be b from loop chain road information, configuration signal link b's is a from loop chain road information.
Through after the above-mentioned configuration, need when on the loop chain road, transmitting, will be carried on from encircling in the message as Signaling Link Code from loop chain road information from the loop chain road when encircling message certainly.
Realizing carrying when encircling transmission of messages the SLC that carries in SLC (Signaling Link Code) territory when the method for the Signaling Link Code on loop chain road can be transmitted by configuration messages realizes.Describe below in conjunction with accompanying drawing 3.
In Fig. 3, the data configuration platform at first carries out the configuration of link essential information to signaling link, and the link essential information of signaling link comprises the SLC of signaling link.Network layer is that message transfer part layer three is accepted the link essential information configuration of data configuration platform to signaling link.The Signaling Link Code that carries in the SLC territory when data configuration platform sends message to signaling link again is configured, and the Signaling Link Code of the SLC territory carrying in the message of signaling link transmission soon is configured to the Signaling Link Code from the loop chain road of signaling link.After the configuration of three acceptance of message transfer part layer and record data configuration platform, data configuration platform is made corresponding configuration reply.
If above-mentioned configuration illustrates in conjunction with Fig. 2 from the method from the Signaling Link Code on loop chain road of encircling that message carries, the link essential information of configuration signal link a and signaling link b at first then, comprise: the Signaling Link Code that signaling link a is set is a, and the Signaling Link Code that signaling link b is set is b.Then, when signaling link a transmission message was set, the information that the SLC territory should be carried was b, and when signaling link b sent message, the information that the SLC territory should be carried was a.After the above-mentioned information of message transfer part layer three record, the acknowledgement transmissions that success is disposed is to the data configuration platform.
If according to former agreement, when signaling link sent message, the SLC that carries in the SLC territory of message was the SLC of this signaling link, after the configuration by above-mentioned data configuration platform, when signaling link sent message, the SLC that carries in the SLC territory of message then was its SLC from the loop chain road.Like this, encircle the transmitting terminal of message by signaling link certainly and transfer to it when the receiving terminal on loop chain road, its receiving terminal from the loop chain road can successfully receive from encircling message this.
The message of ring certainly among the present invention comprises SLTM (Signaling Link Test Message), SLTA (signaling link test response message), application layer user message, application layer user's response message etc.
Below in conjunction with accompanying drawing 2 and accompanying drawing 4, be that example describes in the transmission course in the loop chain road encircling message certainly with message transfer part three floor transmission SLTM and SLTA message.
From the loop chain road as shown in Figure 2, at first set signaling link a and signaling link b, the transmitting terminal of signaling link a is connected with the receiving terminal of signaling link b, the receiving terminal of signaling link a is connected with the transmitting terminal of signaling link b each other from the loop chain road; The data configuration platform is signaling link b according to the collocation method configuration signal link a's of foregoing description from the loop chain road, configuration signal link b's is signaling link a from the loop chain road, and configuration messages transport part layering three simultaneously sends when encircling message at the transmitting terminal by signaling link a, SLC from the carrying of the SLC territory of ring message is the SLC of signaling link b, configuration messages transport part layering three sends when encircling message at the transmitting terminal by signaling link b, and the SLC that encircles the SLC territory carrying of message certainly is the SLC of signaling link a.
After setting is finished, SLTM from the transmission course in the loop chain road shown in the flow chart on Fig. 4 the right.In the flow process on Fig. 4 the right, from the loop chain road when idle, when message transfer part layer three needs by signaling link a transmission SLTM, the SLC of signaling link b is carried in the SLC territory of SLTM, and this SLTM transferred to message transfer part layer two, when message transfer part layer two receives this SLTM,, SLTM is sent to the receiving terminal of signaling link b by the transmitting terminal of signaling link a by encircling physical layer link certainly.
Because that carry in the SLC territory of SLTM is the SLC of signaling link b, so the receiving terminal of signaling link b can successfully receive SLTM.After signaling link b receives SLTM, need respond SLTM, with SLTA by be sent to the receiving terminal of signaling link a from the loop chain road.SLTA from the transmission in the loop chain road shown in the flow chart on Fig. 4 left side.In the flow process on Fig. 4 left side, from the loop chain road when idle, message transfer part layer three is carried on the SLC of signaling link a in the SLC territory of SLTA, then SLTA is transferred to the receiving terminal of signaling link a by the transmitting terminal of signaling link b.
Because it is the SLC of signaling link a that the receiving terminal of signaling link a receives what carry in the SLC territory of SLTA, so the receiving terminal of signaling link a can not be rejected reception because the SLC of SLTA carrying is incorrect.
Because from encircling message, encircle Original Signaling Point address and destination signaling point address in the message certainly with consistent when encircling message and send, i.e. message oneself reception of signalling point oneself transmission from behind the transmitting terminal loopback on loop chain road.But the message transfer part layer of signalling point three can be to the own message rejection that sends, so when receiving message, need will encircle the address of the Original Signaling Point in the message certainly and the address of destination signaling point exchanges.
For the Original Signaling Point address of encircling message certainly and the exchange of destination signaling point address that receives can being needed at first message to be judged, whether be from encircling message with the message of determining its reception.
Message is carried out when encircling the message judgement, can be according to the SLC of signaling link and carrying out of this signaling link configuration from loop chain road information.Concrete deterministic process is: when signaling link configuration when the SLC on loop chain road is inequality with the SLC of signaling link itself, can determine that the message that two transmission of message transfer part layer come must be that oneself encircles message.
Utilize above-mentioned deterministic process, the receiving terminal of signaling link a is described the method that SLTA receives.
The message transfer part layer three of signaling link a receiving terminal receives the message that message transfer part layer two comes by one transmission of message transfer part layer, need obtain the SLC of signaling link a, and then obtain the SLC of signaling link a from the loop chain road, because the SLC of signaling link a is a, the SLC from the loop chain road of signaling link a is b, these two SLC are inequality, and like this, the receiving terminal of signaling link a confirms that the SLTA that receives is from encircling message.
Message is carried out also can carrying out according to the coding of the Original Signaling Point address of carrying in the message and this signalling point when encircling the message judgement.Concrete deterministic process is: when message transfer part layer three receives the message of ring certainly that message transfer part layer two comes by message transfer part layer one transmission, whether the coding of judging the Original Signaling Point address of carrying in the message and this signalling point is identical, and the Original Signaling Point address of carrying in the message and the identical message of coding of this signalling point are defined as from encircling message.
When being defined as after encircling message, will encircling the address of the Original Signaling Point in the message and the address of destination signaling point certainly and exchange, so that three pairs of smooth reception that encircles message certainly of message transfer part layer.
Utilize the deterministic process of above-mentioned Original Signaling Point address, in conjunction with the accompanying drawings 5, the method that three couples of SLTA of message transfer part layer of signaling link a receiving terminal are received describes.
In Fig. 5, the message transfer part layer three of signaling link a receiving terminal receives the SLTA that message transfer part layer two comes by one transmission of message transfer part layer, need obtain the signaling point code of this signalling point at the Original Signaling Point address of carrying among the SLTA and signaling link a receiving terminal place, and judge whether the signalling point address of carrying among the SLTA is identical with the signaling point code of this signalling point, if the signalling point address of carrying among the SLTA is identical with the signaling point code of this signalling point, the SLTA that determines the receiving terminal affirmation reception of signaling link a is from encircling message, the address of the Original Signaling Point among the SLTA and the address of destination signaling point are exchanged, proceed normal message processing procedure.If the signaling point code of the signalling point address of carrying among the SLTA and this signalling point is inequality, determine that the receiving terminal of signaling link a confirms that the message that receives is not from encircling message, proceeding normal message processing procedure.
Message transfer part layer three successfully receives after this encircles message certainly, can really get rid of three layers of possibility that breaks down of message transfer part of this signalling point.
The foregoing description is to be described in the example that is transmitted as in the loop chain road with SLTM and SLTA, application layer user message and application layer user response message are basic identical in process of transmitting in the loop chain road and foregoing description process, are not described in detail in the present embodiment.
Technical scheme provided by the invention can realize the ring certainly of signaling equally by single-link.When using single-link to realize signaling when encircling, the configuration signal link be the link information of this signaling link from loop chain road information, configuration is the SLC of this signaling link itself from encircling the SLC that carries in the message SLC territory.Directly transfer to the receiving terminal of this signaling link from the transmitting terminal of this signaling link from ring message.Carry out when encircling message and judge at the receiving terminal of signaling link, should be according to the coding of the Original Signaling Point address of carrying in the message and this signalling point identical carrying out whether.The process of describing in other steps and the present embodiment is basic identical, is not described in detail in the present embodiment.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wishes that appended claim comprises these distortion and variation.
Claims (9)
1, signaling is characterized in that comprising from the implementation method of ring in a kind of No.7 signalling system:
A, definite each other from the signaling link that encircles;
B, respectively determine signaling link from loop chain road information, describedly comprise: Signaling Link Code from loop chain road information;
C, with described from loop chain road information-bearing in encircling certainly in the message, in the loop chain road, transmitting from encircling message described, and to detecting from encircling the Signaling Link Code that carries in the message through the described of three layers of transmission of message transfer part.
2, the implementation method that signaling is encircled certainly in a kind of No.7 signalling system as claimed in claim 1 is characterized in that comprising from the signaling link that encircles each other among the described step a: each other from two signaling links that encircle.
3, signaling is characterized in that among the described step a from the signaling link that encircles being each other: signaling link a and signaling link b from the implementation method of ring in a kind of No.7 signalling system as claimed in claim 2;
Described step a also comprises:
The receiving terminal of signaling link a is connected with the transmitting terminal of signaling link b;
The transmitting terminal of signaling link a is connected with the receiving terminal of signaling link b.
4, signaling is characterized in that from the implementation method of ring described step b comprises in a kind of No.7 signalling system as claimed in claim 3:
What dispose described signaling link a is the link information of signaling link b from loop chain road information;
What dispose described signaling link b is the link information of signaling link a from loop chain road information.
5, signaling is characterized in that from the implementation method of ring described step c comprises in a kind of No.7 signalling system as claimed in claim 3:
Message transfer part floor three with described signaling link a from loop chain road information-bearing in the Signaling Link Code territory of encircling request message certainly, and with described from encircling request message is sent to signaling link b by signaling link a receiving terminal.
6, signaling is characterized in that from the implementation method of ring described step c also comprises in a kind of No.7 signalling system as claimed in claim 3:
Message transfer part floor three with described signaling link b from loop chain road information-bearing in the Signaling Link Code territory of encircling response message certainly, and with described from encircling response message is sent to signaling link a by signaling link b receiving terminal.
7, as the implementation method of signaling in claim 5 or the 6 described a kind of No.7 signalling systems, it is characterized in that from ring:
Describedly comprise from encircling request message: Signaling Link Test Message, application layer user message;
Describedly comprise from encircling response message: signaling link test response message, application layer user's response message.
8, signaling is characterized in that from the implementation method of ring described method also comprises in a kind of No.7 signalling system as claimed in claim 6:
When the link information of described signaling link a and described signaling link a when loop chain road information is inequality, the message that the receiving terminal of described signaling link a is received is defined as from encircling message;
Exchange from OPC Origination Point Code that encircles message and Destination Point Code described.
9, signaling is characterized in that from the implementation method of ring described method also comprises in a kind of No.7 signalling system as claimed in claim 6:
Obtain the signaling point code of the receiving terminal place signalling point of described signaling link a;
The OPC Origination Point Code message identical with the signaling point code of described signalling point of the message that the receiving terminal of described signaling link a is received is defined as oneself and encircles message;
Exchange from OPC Origination Point Code that encircles message and Destination Point Code described.
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| CNB2004100695064A CN100518179C (en) | 2004-06-28 | 2004-06-28 | Method for realizing instructure self circulation in No.7 signalling system |
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| CNB2004100695064A CN100518179C (en) | 2004-06-28 | 2004-06-28 | Method for realizing instructure self circulation in No.7 signalling system |
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| CN100518179C true CN100518179C (en) | 2009-07-22 |
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| CN101155062B (en) * | 2006-09-30 | 2012-10-03 | 华为技术有限公司 | Method, device and system for settling exception of signaling network |
| CN101252470B (en) * | 2008-03-28 | 2010-09-01 | 中兴通讯股份有限公司 | Method for link self-loop test on IMA interface |
| CN101873312A (en) * | 2010-05-25 | 2010-10-27 | 中兴通讯股份有限公司 | Method for processing IP (Internet Protocol) signaling point and IP signaling point |
| CN105872861A (en) * | 2016-05-30 | 2016-08-17 | 河南昊方通信工程技术有限公司 | Program control exchanger self-loop method |
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