CN101753448A - Method and device for establishing ATM communication connection - Google Patents
Method and device for establishing ATM communication connection Download PDFInfo
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- CN101753448A CN101753448A CN200910254386A CN200910254386A CN101753448A CN 101753448 A CN101753448 A CN 101753448A CN 200910254386 A CN200910254386 A CN 200910254386A CN 200910254386 A CN200910254386 A CN 200910254386A CN 101753448 A CN101753448 A CN 101753448A
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Abstract
The invention relates to an Internet technology, discloses a method, a device and a system for establishing the ATM communication connection, so as to improve the efficiency of establishing the ATM communication connection, and the method comprises the following steps: obtaining a preset permanent virtual circuit PVC configuration list; carrying PVC parameters saved in the PVC configuration list in loopback test request messages one by one, and sending to a head end device for carrying out communication negotiation; receiving loopback test response messages which carry the negotiation result and are returned by the head end device one by one; and adopting the PVC parameters for establishing the ATM communication connection with the head end device when the loopback test response messages determine that certain PVC parameters are available. Therefore, an ADSL terminal can automatically carry out the communication negotiation with the head end device, and establish the corresponding ATM communication connection according to the PVC parameters supported by the head end device, thereby improving the efficiency of establishing the ATM communication connection. The invention simultaneously discloses the ADSL terminal and a communication system.
Description
Technical field
The present invention relates to Internet technology, method and device that particularly a kind of ATM of foundation communicates to connect.
Background technology
(Asymmetric Digital Subscriber Line, ADSL) technology is a kind of technology of utilizing existing telephone line high-speed transfer numerical data to ADSL (Asymmetric Digital Subscriber Line).The ADSL terminal is that the user adopts the ADSL mode to insert the necessary terminal equipment of Internet.Adopt asynchronous transfer mode (Asynchronous Transfer Mode, ATM) transmission data between ADSL terminal and the network side local side apparatus.
The most important character of atm technology is that cell is multiplexing, exchange and transmission course.The ATM data cell is the cell (cell) that is fixed as 53 bytes.All (Virtual Channel carries out on VC) at virtual path in the transmission of cell.(Vritual Path is the one group of virtual path that has same Virtual Path Identifier on given reference point VP) to Virtual Channel, and virtual path is combined the formation Virtual Channel in transmission course.VP sign (Virtual Path identifier) and VC sign (Virtual Channel Identifier) are used for distinguishing VP and VC together.Cell in the atm network between the different nodes is to transmit in different VP, VC.
At present, atm network provides connection-oriented service, needs to connect before sending data on the atm network.Atm network provides two kinds of connected modes: Switched Virtual Circuit (Switched Virtual CircuitSVC) and PVC (Permanent Virtual Circuit PVC).The foundation of SVC is similar to traditional telephone network, promptly has only through call request, and each node in the network is that communicating pair is set up after the corresponding virtual path, could communicate by letter, and after communication is finished, discharges SVC by signaling.The foundation of PVC is by keeper's manual creation, and in a single day PVC creates, unless discharge by hand by the keeper, otherwise keep always.What adopt between ADSL terminal and the local side apparatus is that PVC communicates by letter.
Under the prior art, because virtual path identifier (VCI) and virtual route identifier (VPI) in each regional atm network have nothing in common with each other, therefore, ADSL Termination Unit carries out the setting of (comprising VCI and VPI) of PVC parameter by hand by the keeper usually, and operation is inconvenience very.And after the factory reset of ADSL terminal, need carry out manual setting again, this has reduced the efficient that establishes a communications link between ADSL Termination Unit and the local side apparatus to a certain extent, and then has influenced the efficient that ADSL terminal and network side carry out information interaction.
Summary of the invention
Method and device that the embodiment of the invention provides a kind of ATM of foundation to communicate to connect are in order to improve the efficient that establishes a communications link between ADSL terminal and the local side apparatus.
The concrete technical scheme that the embodiment of the invention provides is as follows:
A kind ofly set up the method that asynchronous transfer mode ATM communicates to connect, comprising:
Obtain default PVC configured list;
With the PVC parameter of preserving in the described PVC configured list, be carried at one by one and mail to local side apparatus in the loopback test request message and communicate negotiation;
Receive the loopback test response message that carries negotiation result that local side apparatus returns one by one;
But determine certain PVC parameter time spent according to described loopback test response message, adopt the ATM between described PVC parameter foundation and the described local side apparatus to communicate to connect.
A kind of ADSL terminal comprises:
Acquiring unit is used to obtain default PVC configured list;
Transmitting element is used for PVC parameter that described PVC configured list is preserved, is carried at one by one to mail to local side apparatus in the loopback test request message and communicate negotiation;
Receiving element is used to receive the loopback test response message that carries negotiation result that local side apparatus returns one by one;
Processing unit, but be used for determining certain PVC parameter time spent according to described loopback test response message, adopt the ATM between described PVC parameter foundation and the described local side apparatus to communicate to connect.
A kind of communication network comprises:
The ADSL terminal, be used to obtain preset permanent virtual circuit PVC configuration list, and with the PVC parameter of preserving in the described PVC configured list, be carried at one by one and mail to local side apparatus in the loopback test request message and communicate negotiation, and receive the loopback test response message that carries negotiation result that local side apparatus returns one by one, but and determining certain PVC parameter time spent according to described loopback test response message, adopt described PVC parameter set up and described local side apparatus between ATM communicate to connect;
Local side apparatus is used for communicating negotiation according to the loopback test request message that carries the PVC parameter that the ADSL terminal sends, and returns the loopback test response message that carries negotiation result.
In the embodiment of the invention, the ADSL terminal is after powering on, can according to default PVC configured list automatically and local side apparatus communicate negotiation, and set up corresponding ATM according to the PVC parameter of local side apparatus support and communicate to connect, set up the efficient that ATM communicates to connect thereby improved, make client rs PC after the ADSL terminal power on, to communicate to connect visit Internet by the ATM that sets up fast.
Description of drawings
Fig. 1 is an atm network environment schematic diagram in the embodiment of the invention;
Fig. 2 is an ADSL termination function Organization Chart in the embodiment of the invention;
Fig. 3 sets up ATM for ADSL terminal in the embodiment of the invention and local side apparatus and communicates to connect flow chart.
Embodiment
In atm network, in order to improve the efficient that establishes a communications link between ADSL terminal and the local side apparatus, in the embodiment of the invention, based on the loopback test in the atm network (Loopback) mechanism, make the automatic search configuration of ADSL terminal realization to the PVC parameter, the ADSL terminal adopts end-to-end (End-to-End) cell of F5, whether detect between this locality and the local side apparatus can proper communication, if the ADSL terminal can be received the response that local side apparatus sends in official hour, then think between the two communication smoothness.Be specially:
Stored the PVC configured list among the ADSL in advance, comprise default multiple PVC parameter (comprising VCI and VPI) in this PVC configured list, after the ADSL terminal powers on, send F5 loopback test message end to end to local side apparatus one by one at the PVC parameter, if receive the response that local side apparatus sends at the appointed time, and definite corresponding PVC parameter can be used, and then communicates to connect according to the ATM between this PVC parameter foundation and the local side apparatus.In addition, for the PVC parameter that the prevents actual use situation in the PVC configured list not, the ADSL terminal also possesses after the search failure, to the manual function of revising the PVC configured list of user prompt, the user can add/delete/retouching operation the PVC configured list by the operation interface that the ADSL terminal provides, then, trigger the automatic configuration flow of PVC configured list once more, provide very big flexibility for the user uses.
Below in conjunction with accompanying drawing the preferred embodiment of the present invention is elaborated.
Consult shown in Figure 1ly, in the embodiment of the invention, the atm network system comprises ADSL terminal 10, local side apparatus 11 and BAS Broadband Access Server 12, wherein,
ADSL terminal 10, be used to obtain default PVC configured list, and with the PVC parameter of preserving in the described PVC configured list, be carried at one by one and mail to local side apparatus 11 in the loopback test request message and communicate negotiation, and receive the loopback test response message that carries negotiation result that local side apparatus 11 returns one by one, but and determining certain PVC parameter time spent according to described loopback test response message, adopt described PVC parameter set up and local side apparatus 11 between ATM communicate to connect;
Local side apparatus 11 is used for communicating negotiation according to the loopback test request message that carries the PVC parameter that ADSL terminal 10 sends, and returns the loopback test response message that carries negotiation result.
In the embodiment of the invention, the PVC parameter that comprises in ADSL terminal 10 the PVC configured list that this locality is default is attempted one by one holding consultation with local side apparatus 11 and (is comprised and connecting, send PADI message or the like), in case consult successfully the PVC parameter of then using this PVC parameter to use as reality.
Consult shown in Figure 2ly, in the embodiment of the invention, ADSL terminal 10 comprises acquiring unit 100, transmitting element 101, receiving element 102 and processing unit 103:
Acquiring unit 100 is used to obtain default PVC configured list;
Transmitting element 101 is used for PVC parameter that described PVC configured list is preserved, is carried at one by one to mail to local side apparatus 11 in the loopback test request message and communicate negotiation;
Receiving element 102 is used to receive the loopback test response message that carries negotiation result that local side apparatus 11 returns one by one;
Processing unit 103, but be used for determining certain PVC parameter time spent according to described loopback test response message, adopt the ATM between described PVC parameter foundation and the local side apparatus 11 to communicate to connect.
Based on the said system framework, to consult shown in Figure 3ly, in the embodiment of the invention, ADSL terminal 10 is behind electrifying startup, and it is as follows to set up the detailed process that ATM communicates to connect according to default PVC configured list and local side apparatus 11:
Step 300: judge whether to have default PVC configured list, if then carry out step 310; Otherwise, finish current flow process.
Step 310: in the PVC configured list, obtain a PVC parameter.
Step 320: send the loopback test request message to local side apparatus 11, carry the PVC parameter of in step 310, obtaining in this loopback test request message.
After local side apparatus 11 receives the loopback test message, communicate negotiation, and return the ring that carries negotiation result and add test response message according to PVC parameter of carrying in this loopback test message and ADSL terminal 10.
Step 330: receive the loopback test response message that local side apparatus 11 returns, carry negotiation result in this loopback test response message.
Step 340: judge according to the negotiation result that the loopback test response message carries whether this communication negotiation successful? if then execution in step 350; Otherwise, carry out step 360.
Step 350: determine the success of PVC parameter configuration, and finish current flow process.
After determining PVC parameter configuration success, ADSL terminal 10 just can be set up ATM according to the PVC parameter that configures and local side apparatus 11 and communicate to connect, thereby is connected to BAS Broadband Access Server 12, with access Internet.
Step 360: judge whether also there is untapped PVC parameter in the PVC configured list? if then return step 310; Otherwise, execution in step 370.
Step 370: determine the failure of PVC parameter configuration, and finish current flow process.
Based on the foregoing description, ADSL terminal 10 is after communication negotiation of successful execution, the PVC parameter of configuration successful is saved to first of PVC configured list, so that when sending the loopback test request message next time, at first adopt the PVC parameter of last configuration successful to communicate negotiation, to improve the success rate of communication negotiation, shorten the shared time of communication negotiation.
In the step 320～step 370 of the foregoing description record, if ADSL terminal 10 is not received the loopback test response message that local side apparatus 11 returns in setting-up time, then need carry out reboot operation according to setting means, be specially: a timer 1 is set, be used to monitor the overtime of loopback test process, when local side equipment 11 does not return test response message during the time at timer 1 official hour internal return winding, ADSL terminal 10 will resend the loopback test request message, and restart the loopback test request message that 1 pair of timer sends once more and monitor.Resend the loopback test request message and can preestablish by the keeper,, then determine the failure of PVC parameter configuration if the number of times that resends surpasses setting threshold with the number of times of restarting timer 1.
In addition, timer 2 can also be set to be responsible for handling when loopback test process search failure, situation when promptly not searching any available PVC, comprise, it is obstructed that adsl line is disconnected the network that causes suddenly, and perhaps local side apparatus 11 has been reconfigured the PVC parameter, makes original PVC configured list not be supported or the like on local side apparatus, at this moment, ADSL terminal 10 should restart the loopback test process according to the time interval of timer 2 indication.In the embodiment of the invention, the time interval of timer 2 indication is a threshold value that progressively prolongs, for example, restarted in 5 minutes at interval for the first time, restarted or the like in 10 minutes at interval for the second time, to prevent during less than available PVC parameter, triggering the communication negotiation flow process too much, occupying system resources in search.The existence of timer 2, support adsl line 10 through plug or after reconfiguring local side apparatus 11 (the PVC parameter such as the configuration local side apparatus is revised as 8/81 from 8/35), ADSL terminal 10 still can search available PVC parameter automatically, for example, PVC parameter in the PVC configured list is 8/35 and 8/81, and it is 8/35 that the ATM of ADSL terminal 10 communicates to connect original PVC parameter, then after having reconfigured local side apparatus 11, the ADSL terminal can 10 automatically switches into carries out ATM with 8/81 and communicates to connect.
In the present embodiment, ADSL terminal 10 is restarted the number of times of execution loopback test flow process above behind the setting threshold, by the user interface on the PC to the user prompt failure information, and provide can be for the operation interface that the PVC parameter manually is set, and communicate negotiation with local side apparatus 11 once more according to effective PVC parameter of artificial setting, successfully do not repeat them here until consulting.
In the embodiment of the invention, the ADSL terminal is after powering on, can according to default PVC configured list automatically and local side apparatus communicate negotiation, and set up corresponding ATM according to the PVC parameter of local side apparatus support and communicate to connect, set up the efficient that ATM communicates to connect thereby improved, make client rs PC after the ADSL terminal power on, to communicate to connect visit Internet by the ATM that sets up fast.
Obviously, those skilled in the art can carry out various changes and modification to the embodiment among the present invention and not break away from the spirit and scope of the present invention.Like this, if these in the embodiment of the invention are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the embodiment among the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. set up the method that asynchronous transfer mode ATM communicates to connect for one kind, it is characterized in that, comprising:
Obtain preset permanent virtual circuit PVC configuration list;
With the PVC parameter of preserving in the described PVC configured list, be carried at one by one and mail to local side apparatus in the loopback test request message and communicate negotiation;
Receive the loopback test response message that carries negotiation result that local side apparatus returns one by one;
But determine certain PVC parameter time spent according to described loopback test response message, adopt the ATM between described PVC parameter foundation and the described local side apparatus to communicate to connect.
2. the method for claim 1 is characterized in that, comprising: after sending the loopback test request message, if do not receive corresponding loopback test response message in setting-up time, then resend described test request message according to set point number.
3. the method for claim 1 is characterized in that, after communicating to connect according to the ATM between described PVC parameter foundation and the described local side apparatus, this PVC parameter is saved to the first place of described PVC configured list.
4. as claim 1,2 or 3 described methods, it is characterized in that, when determining not have available PVC parameter, read described PVC configured list again, and restart the loopback test flow process at interval according to setting-up time according to described loopback test response message.
5. method as claimed in claim 4, it is characterized in that, when the number of times that restarts the loopback test flow process surpasses setting threshold, reset the PVC parameter by operation interface prompting user, and according to the PVC parameter that the user resets set up and described local side apparatus between ATM communicate to connect.
6. an ADSL (Asymmetric Digital Subscriber Line) ADSL terminal is characterized in that, comprising:
Acquiring unit is used to obtain preset permanent virtual circuit PVC configuration list;
Transmitting element is used for PVC parameter that described PVC configured list is preserved, is carried at one by one to mail to local side apparatus in the loopback test request message and communicate negotiation;
Receiving element is used to receive the loopback test response message that carries negotiation result that local side apparatus returns one by one;
Processing unit, but be used for determining certain PVC parameter time spent according to described loopback test response message, adopt the ATM between described PVC parameter foundation and the described local side apparatus to communicate to connect.
7. ADSL terminal as claimed in claim 6 is characterized in that, after described processing unit communicates to connect according to the ATM between described PVC parameter foundation and the described local side apparatus, this PVC parameter is saved to the first place of described PVC configured list.
8. as claim 6 or 7 described ADSL terminals, it is characterized in that, when described processing unit is determined not have available PVC parameter according to described loopback test response message, read described PVC configured list again, and restart the loopback test flow process at interval according to setting-up time.
9. ADSL terminal as claimed in claim 8, it is characterized in that, when the number of times that described processing unit restarts the loopback test flow process surpasses setting threshold, reset the PVC parameter by operation interface prompting user, and according to the PVC parameter that the user resets set up and described local side apparatus between ATM communicate to connect.
10. a communication network is characterized in that, comprising:
ADSL (Asymmetric Digital Subscriber Line) ADSL terminal, be used to obtain preset permanent virtual circuit PVC configuration list, and with the PVC parameter of preserving in the described PVC configured list, be carried at one by one and mail to local side apparatus in the loopback test request message and communicate negotiation, and receive the loopback test response message that carries negotiation result that local side apparatus returns one by one, but and determining certain PVC parameter time spent according to described loopback test response message, adopt described PVC parameter set up and described local side apparatus between ATM communicate to connect;
Local side apparatus is used for communicating negotiation according to the loopback test request message that carries the PVC parameter that the ADSL terminal sends, and returns the loopback test response message that carries negotiation result.
11. communication network as claimed in claim 10 is characterized in that, after described ADSL terminal communicates to connect according to the ATM between described PVC parameter foundation and the described local side apparatus, this PVC parameter is saved to the first place of described PVC configured list.
12. as claim 10 or 11 described communication networks, it is characterized in that, when described ADSL terminal is determined not have available PVC parameter according to described loopback test response message, read described PVC configured list again, and restart the loopback test flow process at interval according to setting-up time.
13. communication network as claimed in claim 12, it is characterized in that, when the number of times that described ADSL terminal restarts the loopback test flow process surpasses setting threshold, reset the PVC parameter by operation interface prompting user, and according to the PVC parameter that the user resets set up and described local side apparatus between ATM communicate to connect.
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| CN200910254386A CN101753448A (en) | 2009-12-22 | 2009-12-22 | Method and device for establishing ATM communication connection |
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| CN200910254386A CN101753448A (en) | 2009-12-22 | 2009-12-22 | Method and device for establishing ATM communication connection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195832A (en) * | 2011-05-16 | 2011-09-21 | 华为技术有限公司 | Loopback testing method, device and system |
| WO2012097603A1 (en) * | 2011-01-18 | 2012-07-26 | 华为技术有限公司 | Method, device and system for establishing pvc link |
| CN103441828A (en) * | 2013-08-08 | 2013-12-11 | 深圳市共进电子股份有限公司 | Detecting and sending method for usability of PVC based on PPPoE |
| CN112416582A (en) * | 2020-11-17 | 2021-02-26 | 努比亚技术有限公司 | BSP system self-adaption method, client, server and storage medium |
| CN116192706A (en) * | 2022-12-20 | 2023-05-30 | 珠海妙存科技有限公司 | UFS-based self-detection and self-resetting method and system |
-
2009
- 2009-12-22 CN CN200910254386A patent/CN101753448A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012097603A1 (en) * | 2011-01-18 | 2012-07-26 | 华为技术有限公司 | Method, device and system for establishing pvc link |
| CN102195832A (en) * | 2011-05-16 | 2011-09-21 | 华为技术有限公司 | Loopback testing method, device and system |
| CN103441828A (en) * | 2013-08-08 | 2013-12-11 | 深圳市共进电子股份有限公司 | Detecting and sending method for usability of PVC based on PPPoE |
| CN112416582A (en) * | 2020-11-17 | 2021-02-26 | 努比亚技术有限公司 | BSP system self-adaption method, client, server and storage medium |
| CN112416582B (en) * | 2020-11-17 | 2024-03-15 | 努比亚技术有限公司 | BSP system self-adaption method, client, server and storage medium |
| CN116192706A (en) * | 2022-12-20 | 2023-05-30 | 珠海妙存科技有限公司 | UFS-based self-detection and self-resetting method and system |
| CN116192706B (en) * | 2022-12-20 | 2024-01-26 | 珠海妙存科技有限公司 | UFS-based self-detection and self-resetting method and system |
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Application publication date: 20100623 |