CN100356745C - Data transmission method based on signaling asynchronous transmission mode adaptive layer and its use - Google Patents
Data transmission method based on signaling asynchronous transmission mode adaptive layer and its use Download PDFInfo
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- CN100356745C CN100356745C CNB200410079043XA CN200410079043A CN100356745C CN 100356745 C CN100356745 C CN 100356745C CN B200410079043X A CNB200410079043X A CN B200410079043XA CN 200410079043 A CN200410079043 A CN 200410079043A CN 100356745 C CN100356745 C CN 100356745C
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Abstract
The present invention provides a data transmission method based on an adaptive layer of the asynchronous signaling transmission mode and an application of the data transmission method. The core of the present invention is that the adaptive layer of the asynchronous signaling transmission mode actively establishes an adaptive layer link of the asynchronous signaling transmission mode and transmits data according to the established link. The data transmission method of the present invention is independent of other extrinsic factors such as users at upper layers, etc. Consequently, reasons causing unsuccessful link establishment can be rapidly determined. The data transmission process is started to satisfy various test requirements of a user to the link when the self-test of the link, etc. are required; consequently, various performance indexes and the working condition of the link are accurately obtained. The present invention can orderly manage the self-test of a plurality of links; furthermore, the technical scheme of the self-test of the link is simple and easy to realize. Consequently, the present invention realizes the purposes of enhancing the accuracy of fault positioning and fully making people know network transmission performance.
Description
Technical field
The present invention relates to the network communications technology field, be specifically related to a kind of data transmission method and application thereof based on signaling asynchronous transmission mode adaptive layer.
Background technology
SAAL (signaling asynchronous transmission mode adaptive layer) is AAL (AAL) protocol layer of supporting signaling, generally is used for the broadband No.7 nation-wide Network.The major function of SAAL is: connect to come the protocol signaling that transmits the upper-layer user for the upper-layer user by the SAAL link.
The point-to-point that it is by upper-layer user's initiation that the SAAL link connects, pass through SAAL link setup process, dynamically set up on lower floor's physical link connects, and responsible the transmission with upper strata User Agreement signaling is the data of content.
In actual applications, the situation of SAAL link establishment failure occurs through regular meeting, it is a variety of to cause the reason of its failure to have, and wherein is likely because the link establishment failure that the interface message between SAAL and the upper-layer user is made mistakes and caused.In order to locate, get rid of this possibility of makeing mistakes, the general at present method that adopts message to follow the tracks of.
The specific implementation method that message is followed the tracks of is as follows: when the upper-layer user sends message to SAAL, it is a to the message tracking console that this message is made a copy for, after the message tracking console is received this message, message content is outputed to message follow the tracks of window, the tester judges according to message content whether upper-layer user's message meets the interface regulation between it and the SAAL, whether can correctly be handled, thereby whether the interface of judging both is consistent by SAAL.
Message is followed the tracks of needs the tester familiar to the source code of definition message structure, and the message that traces into is analyzed and need be spent the more time.
Summary of the invention
The objective of the invention is to, a kind of data transmission method and application thereof of signaling asynchronous transmission mode adaptive layer link are provided, utilize data transmission method provided by the invention, can realize the self-test of signaling asynchronous transmission mode adaptive layer link easily, thereby can fully grasp state, performance index of link etc., realized raising fault location accuracy, fully the purpose of awareness network transmission performance.
For achieving the above object, the data transmission method of a kind of signaling asynchronous transmission mode adaptive layer link provided by the invention comprises:
Initiatively initiate to set up the signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer, and carry out transfer of data according to the link of described foundation.
The described step of initiatively initiating to set up the signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer comprises:
Signaling asynchronous transmission mode adaptive layer sends upper-layer user's protocol message to oneself, and sets up the signaling asynchronous transmission mode adaptive layer link according to this message.
The present invention also provides a kind of method of obtaining link self-test information, comprising:
A, link self-test parameter is set;
B, initiatively initiate to set up the signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer;
C, the link of corresponding data by described foundation transmitted according to described link self-test parameter;
D, obtain the information relevant of described link with transfer of data.
Described link self-test parameter comprises: transfer of data interval, packet size, packet number.
Described link self-test parameter comprises: the link No. that need carry out the link self-test;
And described step b comprises:
Signaling asynchronous transmission mode adaptive layer initiatively initiates to set up corresponding signaling asynchronous transmission mode adaptive layer link according to described link No..
Described link No. is one or more.
Described method also comprised before step b: the link self-test is set starts sign;
And described step b comprises:
Signaling asynchronous transmission mode adaptive layer initiatively initiates to set up the signaling asynchronous transmission mode adaptive layer link according to described startup sign.
Described link self-test parameter comprises: link detecting at interval;
And described step b further comprises:
Whether regularly detecting described signaling asynchronous transmission mode adaptive layer link sets up success at interval according to described link detecting;
If described link is not successfully set up, then continue the process that described signaling asynchronous transmission mode adaptive layer initiatively initiates to set up the signaling asynchronous transmission mode adaptive layer link, until described link establishment success.
Described method comprises according to the described information relevant with transfer of data determines the state of described signaling asynchronous transmission mode adaptive layer link, the step of performance, and this step further comprises:
Obtain the state information that the link of described foundation is exported in data transmission procedure;
Determine the state of described link according to described state information;
Definite according to the transfer of data situation on described link self-test parameter, the link and store described signaling asynchronous transmission mode adaptive layer link every performance index.
Described method also comprises:
Discharge the signaling asynchronous transmission mode adaptive layer link of described foundation as required, and the self-test of relative set link stops sign.
Description by technique scheme can obviously be learnt, because the signaling asynchronous transmission mode adaptive layer link in the data transmission method of the present invention is initiatively initiated to set up by signaling asynchronous transmission mode adaptive layer, this link do not rely on other external factors such as upper strata user etc., so can be good at being applicable to link self-test process; Carry out the link self-test by data transmission method of the present invention, make simple, the easily realization of link self-test process, and can get rid of the situation of the link establishment failure that causes by other transient causes, as get rid of the situation that the link establishment that causes is failed because the interface message of signaling asynchronous transmission mode adaptive layer and upper-layer user's agreement is made mistakes; When utilizing data transmission method of the present invention to carry out the link self-test,, guaranteed that the self-test link can successfully set up by the self-test link is regularly detected; By the size that link self-test parameter such as packet are set, the number of packet, the transmission intercal of packet etc., can satisfy the various testing requirements of user to link, accurately obtain every performance index of link; By be obtained from the state information that test link is exported in the transmission data procedures, can determine the operating state of link; The present invention can start, stop the self-test of multilink simultaneously, can inquire about operating state, the performance index of multilink, thereby can carry out comprehensively multilink, comprehensive, self-test management in order; Finally realized raising fault location accuracy, fully the purpose of awareness network transmission performance.
Description of drawings
Fig. 1 is the self-test process flow diagram of startup signaling asynchronous transmission mode adaptive layer link of the present invention;
Fig. 2 is the self-test process flow diagram that stops the signaling asynchronous transmission mode adaptive layer link of the present invention.
Embodiment
Core of the present invention is: initiatively initiate to set up the signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer, and carry out transfer of data according to the link of setting up; The process of above-mentioned transfer of data can be applied in the link self-test process, by link self-test parameter is set, utilize the link of above-mentioned foundation to carry out transfer of data according to the self-test parameter, can determine state, the performance of signaling asynchronous transmission mode adaptive layer link according to the information relevant of link with transfer of data.
Based on core concept of the present invention technical scheme provided by the invention is further described below.
The SAAL link that is used for transfer of data among the present invention is initiatively initiated to set up by SAAL.The method that SAAL initiatively initiates to set up the SAAL link can adopt SAAL simulation upper-layer user to realize for own transmission upper-layer user protocol message.
According to the transfer of data needs, SAAL can initiatively set up one or more SAAL link simultaneously.
Because the SAAL link among the present invention is initiatively initiated to set up by SAAL, shielded transient cause in the SAAL link establishment process such as upper strata user's etc. influence, so data transmission method provided by the invention can be got rid of the situation of the link establishment failure that is caused by other transient causes, as got rid of because the interface message of signaling asynchronous transmission mode adaptive layer and upper-layer user's agreement is made mistakes, and the situation of the SAAL link establishment that causes failure, thereby can accurately locate the fault in the SAAL link establishment process.
Because the present invention realizes link establishment in the method for transfer of data and the data of transmitting and can not be subjected to the influence of transient cause on this link, so data transmission method provided by the invention has fabulous application prospect in test processs such as link self-test.
With a concrete link self-test application example method provided by the invention is described further below, but protection scope of the present invention is not limited in this example.
In the application of reality, the user usually needs to verify that whether normal can a SAAL link and the normal transmission data, or needs accurately obtain every performance index of SAAL, but in test environment, business by the upper-layer user is difficult to order about the SAAL oepration at full load, and in test environment, the upper-layer user is not configuration or unavailable often, and the performance index of state, testing SA AL of obtaining the SAAL link like this are just very inconvenient.
When the SAAL link of setting up in utilizing data transmission method of the present invention carries out transfer of data, owing to be not subjected to upper-layer user's restriction, so can be according to the test needs of SAAL link being set the in full reportedly defeated interval of link self-test parameter, packet size, packet number etc., the SAAL oepration at full load be can order about fully, Link State and every performance index accurately obtained.
The present invention can carry out one or carry out the self-test process of many SAAL links simultaneously according to user's actual demand.
For the self-test process to each link is carried out orderly test and management, avoid the link that begins to carry out self-test is started the self-test process once more, the present invention is provided with self-test and starts sign, when needs carry out self-test to a SAAL link, should judge at first whether the SAAL link that needs to set up has self-test to start sign, if there is not self-test to start sign, then can set up this link, and it is provided with self-test starts sign, if there is self-test to start sign, then current link has started self-test, carrying out the self-test process, do not needing again to this link startup self-test process.
When the user need carry out one or when carrying out the self-test process of many SAAL links simultaneously, corresponding packet need be transmitted on the SAAL of its appointment link, so link self-test parameter of the present invention also comprises the link No. of SAAL link.
After being provided with link self-test parameter and self-test startup sign, need SAAL initiatively to initiate to set up the SAAL link.The method that SAAL initiatively initiates to set up the SAAL link can adopt that SAAL simulation upper-layer user realizes for own transmission upper-layer user protocol message in the method for transfer of data of the present invention.
After SAAL receives the upper-layer user's protocol message that oneself sends, begin to set up the SAAL link according to the link No. of appointment in the self-test parameter.
Can successfully set up for guaranteeing the SAAL link, the present invention is provided with link detecting at interval in link self-test parameter, at interval whether this link is set up according to the link detecting in the link self-test parameter then and successfully carried out the timing detection, do not set up success if detect this link, then proceed above-mentioned SAAL simulation upper-layer user to oneself sending upper-layer user's protocol message, successfully set up up to this SAAL link to set up the link setup process of SAAL link.
Link detecting can realize by timer is set at interval, as in link self-test parameter, the link setup waiting timer being set, at SAAL when oneself sending upper-layer user's protocol message, trigger this link setup waiting timer, whether set up success by link setup waiting timer timing detection trigger SAAL link.
After SAAL link establishment success, corresponding data are transmitted on the SAAL of this foundation link according to parameters such as the number of the size of packet in the link self-test parameter, packet and transfer of data intervals.
Transfer of data can realize by timer at interval on the SAAL link, as in link self-test parameter, the data transmission timer being set, when SAAL link establishment success, trigger this data transmission timer, the packet that is regularly triggered predetermined packet data number, predetermined packet data size by the data transmission timer transmits on the SAAL link.
According to the state information that the SAAL link is exported in the self-test process, can judge the state that this link is in, whether normal etc. as link.The state that is in according to link can be determined link in setting up process and the problem that exists in the transmission data procedures, as the link establishment process whether as anticipation, the setting of agreement timer duration whether rationally, whether transmission rate too fast causes number of retransmissions increase etc.
The present invention can stop the self-test process of one or more SAAL link according to user's needs, and discharges corresponding self-test link.When stopping the self-test process, should specify the link No. of the self-test link that need stop.Its self-test sign of SAAL link that is stopped the link test process should not be that self-test starts sign again, should it be set to self-test and stop sign.If in data transmission procedure, used timer,, after the self-test of SAAL link stops, also should stop timer as link setup waiting timer, data transmission timer etc.
After stopping link self-test process, can determine every performance index of SAAL link according to the situation of parameter such as the number of the size of packet in the link self-test parameter, packet and transfer of data interval and link, as can verify a SAAL link whether normally, whether can carry out the purpose that normal transfer of data, SAAL data package transmission velocity, SAAL send the packet number, send the every performance index of real realization testing SA AL link such as ratio that successfully reach failure.
Be elaborated below in conjunction with the 1 pair of SAAL of foundation link of the present invention of accompanying drawing and the process that starts self-test.
Among Fig. 1, in step 100, when the user need carry out the self-test of SAAL link, need at first to determine that this link does not have self-test to start sign, if this link has self-test to start sign, illustrate that this link is carrying out link self-test process, need not restart link self-test process; Then, needs are carried out its link corresponding self-test parameter of SAAL link setting of self-test process.Link self-test parameter comprises: need carry out the link No. of the SAAL link of self-test, the link setup waiting timer of this link correspondence, data transmission timer, need be on this link the size of data packets for transmission and the number of packet.
To step 110, the self-test that the SAAL link that need carry out self-test is set is masked as self-test and starts sign.
To step 120, SAAL simulation upper-layer user gives and oneself sends upper-layer user's protocol message to set up the SAAL link.
To step 130, the link setup waiting timer of this link correspondence resets and picks up counting.
To step 140, whether set up success by timing of link setup waiting timer and detection trigger SAAL link, if the SAAL link is not set up success, to step 120, SAAL simulation upper-layer user gives and oneself sends upper-layer user's protocol message to set up the SAAL link.
In step 140, if SAAL link establishment success, to step 150, the data transmission timer of this link correspondence resets and picks up counting.
To step 160, the data of the predetermined packet data size of predetermined packet data number are transmitted on the SAAL link by timing of data transmission timer and triggering.
The self-test process that stops the SAAL link as shown in Figure 2.
Among Fig. 2,, when needs stop the self-test of SAAL link, should determine to stop the link No. of the SAAL link of self-test process in step 200.
To step 210, stop the link setup waiting timer and the data transmission timer of this link No. correspondence.
To step 220, the link No. that stops the SAAL link of self-test process as required discharges corresponding SAAL link.
To step 230, the self-test that this link is set is masked as self-test and stops sign.
To step 240, after stopping the self-test process of SAAL link, export every performance index parameter of obtaining in this link data test process.
Carry out integrated management for the self-test process to each link, the present invention can also provide various query functions, as inquires about the self-test sign of each link, and self-test is masked as self-test startup sign or self-test stops sign; Inquire about the self-test parameter of each link for another example, inquire about the performance index data of each link, inquire about the operating state of each link etc.
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 (13)
1, a kind of data transmission method based on signaling asynchronous transmission mode adaptive layer is characterized in that comprising:
Initiatively initiate to set up the signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer, and carry out transfer of data according to the link of described foundation.
2, a kind of data transmission method based on signaling asynchronous transmission mode adaptive layer as claimed in claim 1 is characterized in that the described step of initiatively initiating to set up the signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer comprises:
Signaling asynchronous transmission mode adaptive layer sends upper-layer user's protocol message to oneself, and sets up the signaling asynchronous transmission mode adaptive layer link according to this message.
3, a kind of method of obtaining link self-test information is characterized in that comprising:
A, link self-test parameter is set;
B, signaling asynchronous transmission mode adaptive layer initiatively initiate to set up the signaling asynchronous transmission mode adaptive layer link;
C, the link of corresponding data by described foundation transmitted according to described link self-test parameter;
D, obtain the information relevant of described link with transfer of data.
4, the method for obtaining link self-test information as claimed in claim 3 is characterized in that described link self-test parameter comprises: transfer of data interval, packet size, packet number.
5, the method for obtaining link self-test information as claimed in claim 3 is characterized in that described link self-test parameter comprises: the link No. that need carry out the link self-test;
And described step b comprises:
Signaling asynchronous transmission mode adaptive layer initiatively initiates to set up corresponding signaling asynchronous transmission mode adaptive layer link according to described link No..
6, the method for obtaining link self-test information as claimed in claim 4 is characterized in that described link self-test parameter also comprises: the link No. that need carry out the link self-test;
And described step b comprises:
Signaling asynchronous transmission mode adaptive layer initiatively initiates to set up corresponding signaling asynchronous transmission mode adaptive layer link according to described link No..7,, it is characterized in that described link No. is one or more as claim 5 or the 6 described methods of obtaining link self-test information.
8, the method for obtaining link self-test information as claimed in claim 3 is characterized in that described method also comprised before step b: the link self-test is set starts sign;
And described step b comprises:
Signaling asynchronous transmission mode adaptive layer initiatively initiates to set up the signaling asynchronous transmission mode adaptive layer link according to described startup sign.
9, the method for obtaining link self-test information as claimed in claim 3 is characterized in that described link self-test parameter comprises: link detecting at interval;
And described step b further comprises:
Whether regularly detecting described signaling asynchronous transmission mode adaptive layer link sets up success at interval according to described link detecting;
If described link is not successfully set up, then continue the process that described signaling asynchronous transmission mode adaptive layer initiatively initiates to set up the signaling asynchronous transmission mode adaptive layer link, until described link establishment success.
10, the method for obtaining link self-test information as claimed in claim 4 is characterized in that described link self-test parameter also comprises: link detecting at interval;
And described step b further comprises:
Whether regularly detecting described signaling asynchronous transmission mode adaptive layer link sets up success at interval according to described link detecting;
If described link is not successfully set up, then continue the process that described signaling asynchronous transmission mode adaptive layer initiatively initiates to set up the signaling asynchronous transmission mode adaptive layer link, until described link establishment success.
11, the method for obtaining link self-test information as claimed in claim 3, it is characterized in that described method also comprises according to the described information relevant with transfer of data determines the state of described signaling asynchronous transmission mode adaptive layer link, the step of performance, and this step further comprises:
Obtain the state information that the link of described foundation is exported in data transmission procedure;
Determine the state of described link according to described state information;
Definite according to the transfer of data situation on described link self-test parameter, the link and store described signaling asynchronous transmission mode adaptive layer link every performance index.
12, as claim 8,9, the 10 or 11 described methods of obtaining link self-test information, it is characterized in that described method also comprises:
Discharge the signaling asynchronous transmission mode adaptive layer link of described foundation as required, and the self-test of relative set link stops sign.
13, a kind of data transmission device based on signaling asynchronous transmission mode adaptive layer is characterized in that, described device comprises:
Be used for initiatively initiating to set up the module of signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer;
Be used for carrying out the module of transfer of data according to the link of described foundation.
14, a kind of device that obtains link self-test information is characterized in that, described device comprises:
Be used to be provided with the module of link self-test parameter;
Be used for initiatively initiating to set up the module of signaling asynchronous transmission mode adaptive layer link by signaling asynchronous transmission mode adaptive layer;
Be used for the module the link of corresponding data by described foundation transmitted according to described link self-test parameter;
Be used to obtain the module of the information relevant of described link with transfer of data.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1360421A (en) * | 2000-12-19 | 2002-07-24 | Lg电子株式会社 | Cell switching method and system |
| US6650623B1 (en) * | 1999-12-30 | 2003-11-18 | Aperto Networks, Inc. | Adaptive link layer for point to multipoint communication system |
| US6681009B1 (en) * | 1999-06-23 | 2004-01-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Signalling in a telecommunication network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6681009B1 (en) * | 1999-06-23 | 2004-01-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Signalling in a telecommunication network |
| US6650623B1 (en) * | 1999-12-30 | 2003-11-18 | Aperto Networks, Inc. | Adaptive link layer for point to multipoint communication system |
| CN1360421A (en) * | 2000-12-19 | 2002-07-24 | Lg电子株式会社 | Cell switching method and system |
Non-Patent Citations (1)
| Title |
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| ATM接入交换机信令软件的设计与实现 全成斌，董庆元，栾贵兴.小型微型计算机系统，第22卷第5期 2001 * |
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