CN101834686B - Method and system for synchronizing comprehensive communication channel work mode - Google Patents
Method and system for synchronizing comprehensive communication channel work mode Download PDFInfo
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- CN101834686B CN101834686B CN201010160573.2A CN201010160573A CN101834686B CN 101834686 B CN101834686 B CN 101834686B CN 201010160573 A CN201010160573 A CN 201010160573A CN 101834686 B CN101834686 B CN 101834686B
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Abstract
The invention discloses a method for synchronizing a GCC (GNU Computer Compiler) work mode. A sending end sends self used GCC work mode codes to a receiving end through overhead bytes or monitor information; the receiving end reads the GCC work mode codes in the overhead bytes or the monitor information to obtain the GCC work mode; and the receiving end regulates the self used GCC work mode based on the obtained GCC work mode. The invention also discloses a system for synchronizing the GCC work mode. By adopting the method and the system, the GCC work mode of the receiving end is automatically synchronized with that of the sending end, and the efficiency and the stability of signal transmission are enhanced.
Description
Technical field
The present invention relates to optical transport network (OTN) field, refer to especially the synchronous method and system of a kind of comprehensive communication channel (GCC) mode of operation.
Background technology
Optical transport network is to take wavelength-division multiplex technique as basic photosphere transport network, be by physical layer interface standard G.872, G.709, G.798 a new generation's " digital transmission system " and " optical transport hierarchy " of the suggestion institute standard of a series of International Telecommunications Union's telecommunication standards groups (ITU-T) such as, the advantage that combines SDH (Synchronous Digital Hierarchy) (SDH) and wavelength division multiplexing (WDM) is follow-on Backbone Transport Network.
Service signal in OTN and non-service signal all transmit with frame structure, and have defined abundant overhead byte, and described overhead byte is the reserved byte of each frame, for transmitting specific information.G.709 standard definition three fields in OTN overhead byte, described three fields are referred to as GCC, the content of GCC transmission is determined by equipment vendor, telecommunication management information that can transfer equipment business etc., described telecommunication management packets of information is drawn together network element configuration etc., wherein the field of GCC0 is positioned at k rank optical channel delivery unit (OTU), be the 1st row 11st～12 row of OTUk overhead byte, the field of GCC1 is positioned at k rank optical channel data unit (ODU), be the 4th row 1st～2 row of ODUk overhead byte, the field of GCC2 is positioned at ODUk overhead byte the 4th row 3rd～4 row, wherein, described OTUk overhead byte and ODUk overhead byte all refer to the diverse location of overhead byte.
During GCC transmission information, need transmitting terminal GCC mode of operation and receiving terminal GCC mode of operation to be consistent, be that passage and transmission content are consistent, described GCC mode of operation is the content that GCC transmits, generally comprise three kinds of GCC mode of operations such as transmitting, monitoring channel information, transmission specific communication messages and monitoring channel information and the common transmission of specific communication messages, if the GCC mode of operation of transmitting terminal and receiving terminal is inconsistent, will cannot compile the information of received transmitting terminal because of receiving terminal, cause information to transmit and interrupt.At present; in actual applications, transmitting terminal GCC mode of operation and receiving terminal GCC mode of operation are all generally to arrange respectively, therefore; often there will be the GCC mode of operation due to transmitting terminal and receiving terminal that the reasons such as difference or misoperation are set, cause information correctly not transmit.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of GCC mode of operation synchronous method and system, and the GCC mode of operation of receiving terminal is synchronizeed with transmitting terminal automatically, thereby improves efficiency and the stability of signal transmission.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of synchronous method of GCC mode of operation, comprising:
The GCC mode of operation coding that transmitting terminal is used self is sent to receiving terminal by overhead byte or monitor message, receiving terminal reads the GCC mode of operation coding in overhead byte or monitor message, obtain GCC mode of operation, according to the GCC mode of operation of obtaining, adjust the GCC mode of operation of self using.
In such scheme, before the GCC mode of operation coding that described transmitting terminal is used self is sent to receiving terminal by overhead byte or monitor message, the method further comprises: transmitting terminal is selected GCC mode of operation; Or the net element business monitoring unit in OTN is selected GCC mode of operation and is sent to transmitting terminal; Transmitting terminal obtains GCC mode of operation coding according to GCC mode of operation inquiry GCC mode of operation the encoding list.
In such scheme, when described net element business monitoring unit is selected GCC mode of operation, the method specifically comprises: inquire about the corresponding GCC mode of operation coding of the GCC mode of operation of self using, the GCC mode of operation coding obtaining is inserted to overhead byte, and be sent to receiving terminal by overhead byte; Receiving terminal reads the GCC mode of operation coding in overhead byte, according to the GCC mode of operation coded query GCC mode of operation the encoding list reading, obtains GCC mode of operation; Determine that the GCC mode of operation that receiving terminal is supported this GCC mode of operation and the GCC mode of operation obtained is used with receiving terminal self is different, the GCC mode of operation of self using is set to obtained GCC mode of operation; Determine that receiving terminal do not support this GCC mode of operation, send the warning information of not supporting this GCC mode of operation to network element monitoring unit, net element business monitoring unit receives the warning information that receiving terminal sends, and selects another kind of GCC mode of operation and sends to transmitting terminal.
In such scheme, when described transmitting terminal is selected mode of operation, the method specifically comprises: transmitting terminal inserts GCC mode of operation coding the ad-hoc location of monitor message, by monitor message, is sent to receiving terminal; Receiving terminal reads monitor message, by the work ad-hoc location of coding of GCC, is read GCC mode of operation and is encoded; According to the GCC mode of operation coded query GCC mode of operation the encoding list reading, obtain GCC mode of operation; Determine that receiving terminal is supported this GCC mode of operation and the GCC mode of operation obtained is different from the GCC mode of operation of self using, the GCC mode of operation of self is set to obtained GCC mode of operation; Determine that receiving terminal do not support this GCC mode of operation, by not supporting the warning information of GCC mode of operation to insert monitor message, by monitor message, send to transmitting terminal; Transmitting terminal receives monitor message, reads the warning information in monitor message, selects another kind of GCC mode of operation, by monitor message, sends to receiving terminal.
In such scheme, the method further comprises: in GCC mode of operation coding, increase check digit, receiving terminal is received after GCC mode of operation coding, according to check digit, the GCC mode of operation coding obtaining is tested, and determines the correctness of GCC mode of operation coding.
The present invention also provides a kind of GCC mode of operation synchronous system, comprising:
Transmitting terminal, encodes for sending by overhead byte or pilot signal the GCC mode of operation of self using;
Receiving terminal, for reading the GCC mode of operation coding of overhead byte or pilot signal, obtains GCC mode of operation, adjusts the GCC mode of operation of self using according to the GCC mode of operation of obtaining.
In such scheme, this system further comprises: net element business monitoring unit, for selecting GCC mode of operation and sending to transmitting terminal; Or transmitting terminal control unit, for selecting GCC mode of operation and being sent to transmitting terminal.
In such scheme, when described net element business monitoring unit is selected GCC mode of operation; Described transmitting terminal comprises transmitting terminal OTN processing unit, and described transmitting terminal OTN processing unit, for inserting GCC mode of operation coding overhead byte and send; Described receiving terminal comprises receiving terminal OTN processing unit, described receiving terminal OTN processing unit, for reading the GCC mode of operation coding of overhead byte, determine and support this GCC mode of operation and the GCC mode of operation of using with self not to conform to, the GCC mode of operation that self is used is revised as the GCC mode of operation of obtaining; Determine and do not support this GCC mode of operation, to net element business monitoring unit, send the warning information of not supporting GCC mode of operation; Accordingly, described net element business monitoring unit is further used for, receive that receiving terminal OTN processing unit sends do not support the warning information of GCC mode of operation time, select another kind of GCC mode of operation and be sent to transmitting terminal OTN processing unit.
In such scheme, when described transmitting terminal control unit is selected GCC mode of operation coding, described receiving terminal comprises receiving terminal OTN processing unit, receiving terminal GCC mode of operation coding extraction unit, receiving terminal control unit; Described transmitting terminal comprises transmitting terminal OTN processing unit; Transmitting terminal OTN processing unit, for sending to receiving terminal GCC mode of operation coding extraction unit and receiving terminal OTN processing unit by the signal that comprises the GCC mode of operation coding self using; Receiving terminal GCC mode of operation coding extraction unit, for according to the signal that comprises GCC mode of operation coding receiving, extracts GCC mode of operation coding, sends to receiving terminal control unit; Receiving terminal control unit, for sending to receiving terminal OTN processing unit by the GCC mode of operation coding of reception; Receiving terminal OTN processing unit, for receiving the signal that comprises the GCC mode of operation coding self using, and processes according to corresponding GCC mode of operation described signal according to the GCC mode of operation coding receiving.
In such scheme, described receiving terminal GCC mode of operation coding extraction unit specifically for the signal of receiving end/sending end OTN processing unit, reads GCC mode of operation coding from overhead byte, and the GCC mode of operation coding reading is sent to receiving terminal control unit; Accordingly, transmitting terminal OTN processing unit, specifically for inserting GCC mode of operation coding overhead byte and send.
In such scheme, when described transmitting terminal control unit is selected GCC mode of operation, described transmitting terminal comprises: transmitting terminal OTN processing unit, transmitting terminal monitoring processing unit, transmitting terminal OTN signal and pilot signal processor; Described receiving terminal comprises: receiving terminal OTN signal and pilot signal processor, receiving terminal OTN processing unit, receiving terminal control unit, receiving terminal monitoring processing unit; Transmitting terminal control unit, specifically for selecting GCC mode of operation to send to transmitting terminal OTN processing unit, sends to transmitting terminal monitoring processing unit by the GCC mode of operation coding of selection; Transmitting terminal OTN processing unit, for sending OTN signal according to the GCC mode of operation receiving to transmitting terminal OTN signal and pilot signal processor; Transmitting terminal monitoring processing unit, the GCC mode of operation sending for receiving end/sending end control unit coding, and this GCC mode of operation coding is inserted to the frame at pilot signal place, pilot signal is sent to transmitting terminal OTN signal and pilot signal processor; Transmitting terminal OTN signal and pilot signal processor, for OTN signal and the synthetic light signal of pilot signal the transmission that will send; Receiving terminal OTN signal and pilot signal processor, for the signal of reception is become to OTN signal and pilot signal according to the different decomposition of frequency, be sent to receiving terminal OTN processing unit by OTN signal, and pilot signal is sent to receiving terminal monitoring processing unit; Receiving terminal OTN processing unit, for receiving OTN signal, and the GCC mode of operation code adjustment GCC mode of operation sending according to receiving terminal control unit; Receiving terminal monitoring processing unit, for receiving pilot signal, is coded in the position in pilot signal according to GCC mode of operation, and the GCC mode of operation coding extracting in pilot signal sends to receiving terminal control unit; Receiving terminal control unit, the GCC mode of operation coding sending for receiving receiving terminal monitoring processing unit, sends to receiving terminal OTN processing unit by the GCC mode of operation coding obtaining.
In such scheme, receiving terminal OTN processing unit, different specifically for the GCC mode of operation of obtaining described in definite support and the GCC mode of operation of using with self, according to the GCC mode of operation receiving, the signal of reception is processed; Receiving terminal OTN processing unit, also, for determining the GCC mode of operation of obtaining described in not supporting, sends to receiving terminal control unit the warning information of not supporting this GCC mode of operation; Accordingly, receiving terminal control unit, for sending described warning information to receiving terminal monitoring processing unit; Receiving terminal monitoring processing unit, for described warning information is inserted to pilot signal, is sent to transmitting terminal OTN signal and pilot signal processor by pilot signal by receiving terminal OTN signal and pilot signal processor; Described transmitting terminal OTN signal and pilot signal processor, also for receiving pilot signal, be sent to transmitting terminal monitoring processing unit; Described transmitting terminal monitoring processing unit, also for receiving pilot signal, extracts warning information and sends to transmitting terminal control unit according to the position of warning information; Described transmitting terminal control unit, also for receiving alarm information, selects another kind of GCC mode of operation to send to transmitting terminal OTN processing unit, and corresponding GCC mode of operation coding is sent to transmitting terminal monitoring processing unit.
As can be seen here, adopt the synchronous method and system of GCC mode of operation of the present invention, the GCC mode of operation that the receiving terminal of OTN network element is sent by obtaining the transmitting terminal of OTN network element, adjust the GCC mode of operation of self using, thereby realize synchronizeing of transmitting terminal and receiving terminal GCC mode of operation, guarantee that two end signals correctly transmit, improved efficiency and the stability of signal transmission.
Accompanying drawing explanation
Fig. 1 is that the present invention realizes the synchronous method flow schematic diagram of GCC mode of operation;
Fig. 2 is that the present invention realizes the synchronous system composition schematic diagram of GCC mode of operation by overhead byte;
Fig. 3 when to be transmitting terminal of the present invention support that with receiving terminal GCC mode of operation is consistent, realizes the synchronous system of GCC mode of operation by overhead byte and forms schematic diagram;
Fig. 4 is that the present invention realizes the synchronous system composition schematic diagram of GCC mode of operation by pilot signal.
Embodiment
Basic thought of the present invention is: transmitting terminal is sent to receiving terminal by the signal that comprises the GCC mode of operation coding self using, and receiving terminal obtains after the GCC mode of operation of transmitting terminal, adjusts the GCC mode of operation of self using according to the GCC mode of operation of obtaining.
The present invention realizes the synchronous method of GCC mode of operation as shown in Figure 1, and idiographic flow is as follows:
Step 101, the GCC mode of operation coding that transmitting terminal is used self is sent to receiving terminal by overhead byte or pilot signal;
Here, add up in advance the GCC mode of operation that receiving terminal and transmitting terminal are supported, GCC mode of operation and corresponding GCC thereof are encoded, and be kept at respectively transmitting terminal and receiving terminal.
Transmitting terminal is sent to receiving terminal by the signal that comprises the GCC mode of operation coding self using, described GCC mode of operation coding can obtain according to local GCC mode of operation the encoding list of preserving of GCC mode of operation inquiry of selecting, the GCC mode of operation of described selection can be selected GCC mode of operation and be sent to receiving terminal by the net element business monitoring processing unit in OTN network, wherein, transmitting terminal sends to receiving terminal by the OTN signal that comprises overhead byte, and described overhead byte comprises expense reserve bytes, GCC overhead byte etc.; Also can select voluntarily GCC mode of operation to send to receiving terminal by pilot signal or overhead byte by transmitting terminal.
The described GCC mode of operation coding that self is used sends to receiving terminal to comprise by overhead byte: GCC mode of operation coding is inserted to overhead byte, by overhead byte, transmit, detailed process is: the coding of GCC mode of operation is inserted to expense reserve bytes, by expense reserve bytes, transmit, described expense reserve bytes is blank byte reserved in overhead byte; Or, preset the GCC overhead byte of the frame in multi-frame expense, for transmitting GCC mode of operation coding, the multi-frame expense MFAS byte in frame structure is numbered for the frame to signal transmission, and described numbering take 0～255 as the cycle.For example: setting each MFAS is the GCC transmission GCC mode of operation coding of the frame of 0 o'clock.
Or, the described GCC mode of operation coding that self is used sends to receiving terminal to comprise by pilot signal: GCC mode of operation coding is inserted to pilot signal, by pilot signal, send, can preset the specific position of the frame that inserts pilot signal, for example frame head or postamble, so that location, adopts the bandwidth that does not take in this way service signal.
Step 102, receiving terminal reads the GCC mode of operation coding in overhead byte or monitor message, obtains transmitting terminal GCC mode of operation;
Here, the signal that receiving terminal receiving end/sending end sends reads GCC mode of operation coding from signal, described in the GCC mode of operation coding that reads in overhead byte comprise: receiving terminal reads the GCC mode of operation coding in expense reserve bytes; Or, for example, according to the GCC overhead byte of reading pre-set frame: frame number is, read the numerical value in the GCC overhead byte of the frame that is numbered 0 at 0 o'clock, be GCC mode of operation coding;
Or, described in read GCC mode of operation in pilot signal coding and comprise: according to the position of GCC mode of operation coding, read the GCC mode of operation coding in pilot signal.
Step 103, receiving terminal is adjusted the GCC mode of operation of self using according to the GCC mode of operation of obtaining.
Here, receiving terminal is the GCC mode of operation the encoding list comparison with local storage by the GCC mode of operation coding obtaining, if conform to in list one, illustrate that receiving terminal supports this GCC mode of operation, according to GCC mode of operation the encoding list of this locality storage, obtain corresponding GCC mode of operation, the GCC mode of operation comparison of using with self, if both conform to, the GCC mode of operation that receiving terminal is not used self is processed, if both are inconsistent, the GCC mode of operation of obtaining described in the GCC mode of operation that receiving terminal self is used is set to;
If not with in list, conform to, receiving terminal is not supported this GCC mode of operation,, to net element business monitoring unit, send a warning message; Or, by warning information is inserted to monitor message, sending to transmitting terminal, described warning information is the warning information that receiving terminal is not supported GCC mode of operation, net element business monitoring unit selects another kind of GCC mode of operation to send to receiving terminal by receiving terminal; Or, transmitting terminal selects another kind of GCC mode of operation coding to send to receiving terminal, receiving terminal continues to obtain GCC mode of operation coding from transmitting terminal, until the GCC mode of operation that receiving terminal support is obtained does not send a warning message to net element business monitoring unit or transmitting terminal.
Signal between transmitting terminal and receiving terminal is through long Distance Transmission, signal can be decayed along with the growth of transmission range, likely there is signal error, and then cause receiving terminal to receive wrong signal, for avoiding this situation, can in GCC mode of operation coding, increase check digit, receiving terminal receives after the signal that comprises transmitting terminal GCC mode of operation coding, can to the GCC mode of operation coding obtaining, test according to check digit, thereby determine the correctness that GCC mode of operation is encoded.For example, adopt GCC mode of operation coding and be check digit, receiving terminal obtains after GCC mode of operation coding, carries out and computing, if conform to check digit, illustrates that it is correct that this GCC mode of operation is encoded, otherwise, mistake.If it is correct that two continuous frames or GCC mode of operations more than two frames coding are, the GCC mode of operation obtained is encoded to correctly.
The present invention also provides a kind of GCC mode of operation synchronous system, and this system comprises transmitting terminal, receiving terminal;
Transmitting terminal, encodes for sending by overhead byte or pilot signal the GCC mode of operation of self using;
Here, GCC mode of operation the encoding list that described GCC mode of operation coding can be preserved from this locality according to GCC mode of operation obtains;
Receiving terminal, for reading the GCC mode of operation coding of overhead byte or pilot signal, obtains GCC mode of operation, adjusts the GCC mode of operation of self using according to the GCC mode of operation of obtaining.
The present invention realizes GCC mode of operation when synchronous by overhead byte, as shown in Figure 2, in the synchronous system of GCC mode of operation of the present invention, described transmitting terminal comprises transmitting terminal OTN processing unit 202, described receiving terminal comprises receiving terminal OTN processing unit 203, and this system further comprises:
Net element business monitoring unit 201, for selecting a kind of GCC mode of operation and sending to transmitting terminal OTN processing unit 202.
Transmitting terminal OTN processing unit 202 specifically for, the GCC mode of operation coding that self is used inserts overhead byte and sends; Specifically comprise: the GCC mode of operation coding that self is used inserts expense and comprises byte and send, or, preset the GCC overhead byte of the frame in multi-frame expense, be used for transmitting GCC mode of operation coding, the GCC mode of operation that self is used coding inserts the GCC overhead byte of this frame and sends;
Receiving terminal OTN processing unit 203 specifically for, the signal of receiving end/sending end OTN processing unit 202, from overhead byte, read GCC mode of operation coding, determine and support this GCC mode of operation and the GCC mode of operation of using with self not to conform to, the GCC mode of operation that self is used is revised as the GCC mode of operation of obtaining; Determine and do not support this GCC mode of operation, to net element business monitoring unit, send the warning information of not supporting this GCC mode of operation; The described GCC mode of operation coding that reads from overhead byte comprises: read the GCC mode of operation coding in expense reserve bytes, or, the GCC mode of operation coding in the GCC overhead byte of reading pre-set frame; This GCC mode of operation of described definite support and the GCC mode of operation of using with self do not conform to and comprise: the GCC mode of operation coding obtaining is compared with local GCC mode of operation the encoding list of preserving, determine and conform to one of them, continue the GCC mode of operation comparison with current use, determine that both are different; Described determine do not support this GCC mode of operation to comprise: determine that the GCC mode of operation coding obtaining is not all inconsistent with any one coding in local GCC mode of operation the encoding list of preserving, described warning information is not for supporting the warning information of GCC mode of operation, until the GCC mode of operation that support is obtained.
Net element business monitoring unit 201 is further used for, and receives the warning information that receiving terminal OTN processing unit 203 sends, and selects another kind of GCC mode of operation and is sent to transmitting terminal OTN processing unit.
When transmitting terminal and the same GCC mode of operation of receiving terminal support, the present invention can also realize by system shown in Figure 3, as shown in Figure 3, the synchronous system of this GCC mode of operation comprises: transmitting terminal control unit 302, described transmitting terminal comprises transmitting terminal OTN processing unit 301, and described receiving terminal comprises receiving terminal OTN processing unit 303, receiving terminal GCC mode of operation coding extraction unit 304, receiving terminal control unit 305; Wherein,
Transmitting terminal control unit 302, for selecting a kind of GCC mode of operation and being sent to transmitting terminal OTN processing unit 301;
Transmitting terminal OTN processing unit 301, the GCC mode of operation sending for receiving end/sending end control unit 302 is also preserved, the signal that comprises the GCC mode of operation coding self using is sent to receiving terminal OTN processing unit 303 and receiving terminal GCC mode of operation coding extraction unit 304, and GCC mode of operation the encoding list that described GCC mode of operation coding can be preserved from this locality according to GCC mode of operation obtains;
Receiving terminal GCC mode of operation coding extraction unit 304, for according to the signal that comprises GCC mode of operation coding receiving, extracts GCC mode of operation coding, sends to receiving terminal control unit 305;
Receiving terminal control unit 305, for sending to receiving terminal OTN processing unit 303 by the GCC mode of operation coding of reception;
Receiving terminal OTN processing unit 303, for receiving the signal that comprises the GCC mode of operation coding self using, and processes according to corresponding GCC mode of operation described signal according to the GCC mode of operation coding receiving.
Receiving terminal GCC mode of operation coding extraction unit 304 specifically for, the signal of receiving end/sending end OTN processing unit 301 reads GCC mode of operation coding from overhead byte, and the GCC mode of operation coding reading is sent to receiving terminal control unit 305;
Accordingly, transmitting terminal OTN processing unit 301 specifically for, GCC mode of operation coding is inserted to overhead byte and sends.
The present invention realizes GCC mode of operation when synchronous by pilot signal, as shown in Figure 4, this GCC mode of operation synchro system comprises: transmitting terminal control unit 401, and described transmitting terminal comprises transmitting terminal OTN processing unit 402, transmitting terminal monitoring processing unit 403, transmitting terminal OTN signal and pilot signal processor 404; Described receiving terminal comprises receiving terminal OTN signal and pilot signal processor 405, receiving terminal OTN processing unit 406, receiving terminal control unit 408, receiving terminal monitoring processing unit 407;
Transmitting terminal control unit 401, for selecting GCC mode of operation to send to transmitting terminal OTN processing unit 402, sends to transmitting terminal monitoring processing unit 403 by selected GCC mode of operation coding; Described GCC mode of operation coding can obtain according to the GCC mode of operation list query of the local storage of GCC mode of operation inquiry.
Transmitting terminal OTN processing unit 402, for sending corresponding OTN signal according to the GCC mode of operation receiving to transmitting terminal OTN signal and pilot signal processor 404;
Transmitting terminal monitoring processing unit 403, the GCC mode of operation coding sending for receiving end/sending end control unit 401, and the GCC mode of operation coding receiving is inserted to the frame at pilot signal place, can select the ad-hoc location of frame so that location, for example, frame head or postamble, send to transmitting terminal OTN signal and pilot signal processor 404 by the pilot signal that comprises GCC mode of operation coding;
Transmitting terminal OTN signal and pilot signal processor 404, for OTN signal and the synthetic light signal of pilot signal the transmission that will send;
Receiving terminal OTN signal and pilot signal processor 405, be used for the light signal receiving according to the difference of frequency, resolve into OTN signal and pilot signal, OTN signal is sent to receiving terminal OTN processing unit 406, pilot signal is sent to receiving terminal monitoring processing unit 407;
Receiving terminal OTN processing unit 406, for receiving OTN signal, and the GCC mode of operation code adjustment GCC mode of operation sending according to receiving terminal control unit 408;
Receiving terminal monitoring processing unit 407, for receiving pilot signal, is coded in the position in pilot signal according to GCC mode of operation, and the GCC mode of operation coding extracting in pilot signal sends to receiving terminal control unit 408;
Receiving terminal control unit 408, the GCC mode of operation coding sending for receiving receiving terminal monitoring processing unit 407, sends to receiving terminal OTN processing unit 406 by the GCC mode of operation coding obtaining.
Receiving terminal OTN processing unit 406 specifically for, determine that the GCC mode of operation of obtaining described in supporting and the GCC mode of operation of using with self do not conform to, the GCC mode of operation of obtaining described in described definite support and the GCC mode of operation of using with self do not conform to and comprise: GCC mode of operation the encoding list comparison that the GCC mode of operation coding receiving is preserved with this locality, determine and conform to one of them, with the GCC mode of operation comparison of current use, determine that both are different.
Receiving terminal OTN processing unit 406, for determining the GCC mode of operation of obtaining described in not supporting, sends to receiving terminal control unit 408 warning information of not supporting this GCC mode of operation; Describedly determine that the GCC mode of operation of obtaining described in not supporting comprises: the GCC mode of operation coding obtaining is not all inconsistent with any one coding in local GCC mode of operation the encoding list of preserving;
Accordingly, receiving terminal control unit 408, for sending described warning information to receiving terminal monitoring processing unit 407;
Receiving terminal monitoring processing unit 407, for described warning information is inserted to pilot signal, can insert the ad-hoc location of pilot signal, be convenient to location, the pilot signal that comprises described warning information is sent to transmitting terminal OTN signal and pilot signal processor 404 by receiving terminal OTN signal and pilot signal processor 405.
Transmitting terminal OTN signal and pilot signal processor 404, for receiving the pilot signal that comprises warning information, be sent to transmitting terminal monitoring processing unit 402;
Transmitting terminal monitoring processing unit 402, for receiving the pilot signal that comprises warning information, extracts warning information and sends to transmitting terminal control unit 401 according to the position of warning information;
Transmitting terminal control unit 401, for receiving alarm information, selects another kind of GCC mode of operation to send to transmitting terminal OTN processing unit 402, and corresponding GCC mode of operation coding is sent to transmitting terminal monitoring processing unit 403.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. the synchronous method of comprehensive communication channel GCC mode of operation, is characterized in that, described method comprises:
The GCC mode of operation coding that transmitting terminal is used self is sent to receiving terminal by overhead byte or monitor message, receiving terminal reads the GCC mode of operation coding in overhead byte or monitor message, obtain GCC mode of operation, GCC mode of operation the encoding list comparison by the GCC mode of operation coding obtaining with local storage, if conform to in described the encoding list one, according to GCC mode of operation the encoding list of this locality storage, obtain corresponding GCC mode of operation, the GCC mode of operation comparison of using with self, if both conform to, the GCC mode of operation of self not being used is processed, if both are inconsistent, the GCC mode of operation of obtaining described in the GCC mode of operation of self using is set to, if not with in described the encoding list, conform to, to network element monitoring unit or described transmitting terminal send the warning information of not supporting this GCC mode of operation, receive another kind of GCC mode of operation.
2. method according to claim 1, is characterized in that, before the GCC mode of operation coding that described transmitting terminal is used self is sent to receiving terminal by overhead byte or monitor message, the method further comprises:
Transmitting terminal is selected GCC mode of operation; Or the net element business monitoring unit in optical transport network OTN is selected GCC mode of operation and is sent to transmitting terminal;
Transmitting terminal obtains GCC mode of operation coding according to GCC mode of operation inquiry GCC mode of operation the encoding list.
3. method according to claim 2, is characterized in that, when described net element business monitoring unit is selected GCC mode of operation, the method specifically comprises:
Inquire about the corresponding GCC mode of operation coding of the GCC mode of operation of self using, the GCC mode of operation coding obtaining is inserted to overhead byte, and be sent to receiving terminal by overhead byte;
Receiving terminal reads the GCC mode of operation coding in overhead byte, according to the GCC mode of operation coded query GCC mode of operation the encoding list reading, obtains GCC mode of operation;
Determine that the GCC mode of operation that receiving terminal is supported this GCC mode of operation and the GCC mode of operation obtained is used with receiving terminal self is different, the GCC mode of operation of self using is set to obtained GCC mode of operation;
Determine that receiving terminal do not support this GCC mode of operation, send the warning information of not supporting this GCC mode of operation to network element monitoring unit, net element business monitoring unit receives the warning information that receiving terminal sends, and selects another kind of GCC mode of operation and sends to transmitting terminal.
4. method according to claim 2, is characterized in that, when described transmitting terminal is selected mode of operation, the method specifically comprises:
Transmitting terminal inserts GCC mode of operation coding the ad-hoc location of monitor message, by monitor message, is sent to receiving terminal;
Receiving terminal reads monitor message, by the work ad-hoc location of coding of GCC, is read GCC mode of operation and is encoded; According to the GCC mode of operation coded query GCC mode of operation the encoding list reading, obtain GCC mode of operation;
Determine that receiving terminal is supported this GCC mode of operation and the GCC mode of operation obtained is different from the GCC mode of operation of self using, the GCC mode of operation of self is set to obtained GCC mode of operation;
Determine that receiving terminal do not support this GCC mode of operation, by not supporting the warning information of GCC mode of operation to insert monitor message, by monitor message, send to transmitting terminal; Transmitting terminal receives monitor message, reads the warning information in monitor message, selects another kind of GCC mode of operation, by monitor message, sends to receiving terminal.
5. according to the method described in claim 1 to 4 any one, it is characterized in that, the method further comprises:
In GCC mode of operation coding, increase check digit, receiving terminal is received after GCC mode of operation coding, according to check digit, the GCC mode of operation coding obtaining is tested, and determines the correctness of GCC mode of operation coding.
6. the synchronous system of GCC mode of operation, is characterized in that, this system comprises:
Transmitting terminal, encodes for sending by overhead byte or pilot signal the GCC mode of operation of self using;
Receiving terminal, for reading the GCC mode of operation coding of overhead byte or pilot signal, obtain GCC mode of operation, GCC mode of operation the encoding list comparison by the GCC mode of operation coding obtaining with local storage, if conform to in described the encoding list one, according to GCC mode of operation the encoding list of this locality storage, obtain corresponding GCC mode of operation, the GCC mode of operation comparison of using with self, if both conform to, the GCC mode of operation of self not being used is processed, if both are inconsistent, the GCC mode of operation of obtaining described in the GCC mode of operation that receiving terminal self is used is set to, if not with in described the encoding list, conform to, to network element monitoring unit or described transmitting terminal send the warning information of not supporting this GCC mode of operation, receive another kind of GCC mode of operation.
7. system according to claim 6, is characterized in that, this system further comprises:
Net element business monitoring unit, for selecting GCC mode of operation and sending to transmitting terminal; Or,
Transmitting terminal control unit, for selecting GCC mode of operation and being sent to transmitting terminal.
8. system according to claim 7, is characterized in that, when described net element business monitoring unit is selected GCC mode of operation;
Described transmitting terminal comprises transmitting terminal OTN processing unit, and described transmitting terminal OTN processing unit, for inserting GCC mode of operation coding overhead byte and send;
Described receiving terminal comprises receiving terminal OTN processing unit, described receiving terminal OTN processing unit, for reading the GCC mode of operation coding of overhead byte, determine and support this GCC mode of operation and the GCC mode of operation of using with self not to conform to, the GCC mode of operation that self is used is revised as the GCC mode of operation of obtaining; Determine and do not support this GCC mode of operation, to net element business monitoring unit, send the warning information of not supporting GCC mode of operation;
Accordingly, described net element business monitoring unit is further used for, receive that receiving terminal OTN processing unit sends do not support the warning information of GCC mode of operation time, select another kind of GCC mode of operation and be sent to transmitting terminal OTN processing unit.
9. system according to claim 7, is characterized in that, when described transmitting terminal control unit is selected GCC mode of operation coding, described receiving terminal comprises receiving terminal OTN processing unit, receiving terminal GCC mode of operation coding extraction unit, receiving terminal control unit; Described transmitting terminal comprises transmitting terminal OTN processing unit;
Transmitting terminal OTN processing unit, for sending to receiving terminal GCC mode of operation coding extraction unit and receiving terminal OTN processing unit by the signal that comprises the GCC mode of operation coding self using;
Receiving terminal GCC mode of operation coding extraction unit, for according to the signal that comprises GCC mode of operation coding receiving, extracts GCC mode of operation coding, sends to receiving terminal control unit;
Receiving terminal control unit, for sending to receiving terminal OTN processing unit by the GCC mode of operation coding of reception;
Receiving terminal OTN processing unit, for receiving the signal that comprises the GCC mode of operation coding self using, and processes according to corresponding GCC mode of operation described signal according to the GCC mode of operation coding receiving.
10. system according to claim 9, is characterized in that,
Described receiving terminal GCC mode of operation coding extraction unit specifically for the signal of receiving end/sending end OTN processing unit, reads GCC mode of operation coding from overhead byte, and the GCC mode of operation coding reading is sent to receiving terminal control unit;
Accordingly, transmitting terminal OTN processing unit, specifically for inserting GCC mode of operation coding overhead byte and send.
11. systems according to claim 7, it is characterized in that, when described transmitting terminal control unit is selected GCC mode of operation, described transmitting terminal comprises: transmitting terminal OTN processing unit, transmitting terminal monitoring processing unit, transmitting terminal OTN signal and pilot signal processor; Described receiving terminal comprises: receiving terminal OTN signal and pilot signal processor, receiving terminal OTN processing unit, receiving terminal control unit, receiving terminal monitoring processing unit;
Transmitting terminal control unit, specifically for selecting GCC mode of operation to send to transmitting terminal OTN processing unit, sends to transmitting terminal monitoring processing unit by the GCC mode of operation coding of selection;
Transmitting terminal OTN processing unit, for sending OTN signal according to the GCC mode of operation receiving to transmitting terminal OTN signal and pilot signal processor;
Transmitting terminal monitoring processing unit, the GCC mode of operation sending for receiving end/sending end control unit coding, and this GCC mode of operation coding is inserted to the frame at pilot signal place, pilot signal is sent to transmitting terminal OTN signal and pilot signal processor;
Transmitting terminal OTN signal and pilot signal processor, for OTN signal and the synthetic light signal of pilot signal the transmission that will send;
Receiving terminal OTN signal and pilot signal processor, for the signal of reception is become to OTN signal and pilot signal according to the different decomposition of frequency, be sent to receiving terminal OTN processing unit by OTN signal, and pilot signal is sent to receiving terminal monitoring processing unit;
Receiving terminal OTN processing unit, for receiving OTN signal, and the GCC mode of operation code adjustment GCC mode of operation sending according to receiving terminal control unit;
Receiving terminal monitoring processing unit, for receiving pilot signal, is coded in the position in pilot signal according to GCC mode of operation, and the GCC mode of operation coding extracting in pilot signal sends to receiving terminal control unit;
Receiving terminal control unit, the GCC mode of operation coding sending for receiving receiving terminal monitoring processing unit, sends to receiving terminal OTN processing unit by the GCC mode of operation coding obtaining.
12. systems according to claim 11, is characterized in that,
Receiving terminal OTN processing unit, different specifically for the GCC mode of operation of obtaining described in definite support and the GCC mode of operation of using with self, according to the GCC mode of operation receiving, the signal of reception is processed;
Receiving terminal OTN processing unit, also, for determining the GCC mode of operation of obtaining described in not supporting, sends to receiving terminal control unit the warning information of not supporting this GCC mode of operation;
Accordingly, receiving terminal control unit, for sending described warning information to receiving terminal monitoring processing unit;
Receiving terminal monitoring processing unit, for described warning information is inserted to pilot signal, is sent to transmitting terminal OTN signal and pilot signal processor by pilot signal by receiving terminal OTN signal and pilot signal processor;
Described transmitting terminal OTN signal and pilot signal processor, also for receiving pilot signal, be sent to transmitting terminal monitoring processing unit;
Described transmitting terminal monitoring processing unit, also for receiving pilot signal, extracts warning information and sends to transmitting terminal control unit according to the position of warning information;
Described transmitting terminal control unit, also for receiving alarm information, selects another kind of GCC mode of operation to send to transmitting terminal OTN processing unit, and corresponding GCC mode of operation coding is sent to transmitting terminal monitoring processing unit.
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| CN101098192A (en) * | 2006-06-27 | 2008-01-02 | 中兴通讯股份有限公司 | Optical transmission system based monitoring information transferring apparatus and method |
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| CN1710837A (en) * | 2004-06-16 | 2005-12-21 | 华为技术有限公司 | Expense message processing apparatus and processing method thereof |
| CN101098192A (en) * | 2006-06-27 | 2008-01-02 | 中兴通讯股份有限公司 | Optical transmission system based monitoring information transferring apparatus and method |
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