CN102835127A - Ont pay expense sending, receiving method and device - Google Patents
Ont pay expense sending, receiving method and device Download PDFInfo
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- CN102835127A CN102835127A CN2012800008407A CN201280000840A CN102835127A CN 102835127 A CN102835127 A CN 102835127A CN 2012800008407 A CN2012800008407 A CN 2012800008407A CN 201280000840 A CN201280000840 A CN 201280000840A CN 102835127 A CN102835127 A CN 102835127A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
Abstract
The invention relates to a film conductor for flat cells, comprising a contacting zone (5) for contacting further cells or conductor rails, an adhesive zone (6) for adhesively bonding to a packaging film (4) of a cell, and a connecting zone (7) for connecting to an electrode film (3) within the cell, wherein at least two of the zones (5, 6, 7) have a surface quality that differs from each other. The invention further relates to a method for producing a film conductor for flat cells.
Description
Technical field
The present invention relates to the optical communication technique field, relate in particular to a kind of optical transfer network (Optical Transport Network, OTN) sending, receiving method of expense and device.
Background technology
In the OTN expense, defined 64 bytes, wherein partial bytes is that reservation is out of use in the OTN standard.In the current processing scheme; Generally be that a certain data message fixedly takies the one or more bytes in 64 bytes; These one or more bytes that take are called a physical layer channel, in each physical layer channel, only are used for transmitting a kind of information, for example; General Purpose Communication Channel (General Communication Channel; GCC) 0 GCC management information that is used for transmitting GCC0, (Automatic Protection Switching APS) is used for transmitting APS protection switch messages to APS.Can find out from above-mentioned application, no matter how many valid data bandwidth is, always it fixedly takies the fixed word joint number in the OTN expense, so when effective data bandwidth hour, its service efficiency is just lower; In addition, when introducing the data message of newtype, how the data message of newtype transmits also is problem; Moreover physical layer channel can not dynamically discharge, and the bandwidth of its physical layer has been fixed and has taken when not starting, and can not he use.
Summary of the invention
The embodiment of the invention provides a kind of sending, receiving method and device of OTN expense, in order to the service efficiency of the physical layer channel that improves the OTN expense and realize dynamic assignment to physical layer channel, and type that can the growth data message.
On the one hand, the embodiment of the invention provides a kind of sending method of OTN expense, comprising:
The data message that will transmit is carried out the physical layer encapsulation;, physical layer adds type field when encapsulating; Making in the physical layer channel of OTN expense can time division multiplexing data of different types message, and said type field is used to show the type of the said data message that will transmit;
Data message after the physical layer encapsulation is sent in the physical layer channel of OTN expense.
On the other hand, the embodiment of the invention provides a kind of method of reseptance of OTN expense, comprising:
Receive the data message after the physical layer of transmitting in the physical layer channel of OTN expense encapsulates; Containing type field in the data message after the said physical layer encapsulation; Can time division multiplexing data of different types message in the said physical layer channel, said type field is used to show the type of said data message;
According to said type field, said data message is received processing.
On the one hand, the embodiment of the invention provides a kind of dispensing device, comprising:
The physical layer package module; Be used for the data message that will transmit is carried out the physical layer encapsulation;, physical layer adds type field when encapsulating; Making in the physical layer channel of OTN expense can time division multiplexing data of different types message, and said type field is used to show the type of the said data message that will transmit;
OTN expense module is used for the data message after the physical layer encapsulation is sent at the physical layer channel of OTN expense.
On the other hand, the embodiment of the invention provides a kind of receiving system, comprising:
OTN expense module; Be used for receiving the data message after the physical layer encapsulation that the physical layer channel of OTN expense transmits; Containing type field in the data message after the said physical layer encapsulation; Can time division multiplexing data of different types message in the said physical layer channel, said type field is used to show the type of said data message;
The physical layer decapsulation module is used for according to said type field said data message being received processing.
Can know by technique scheme; The embodiment of the invention is carried out the physical layer encapsulation through the data message that will transmit; Data message after the physical layer encapsulation is transmitted in physical layer channel, rather than the physical layer channel fixed constraints is a certain data message of transmission, so just can realize that the data of different types message can the same physical layer channel of time division multiplexing; Improve the service efficiency of physical layer channel; And can realize the dynamic assignment of physical layer channel,, can expand the type of data message through the encapsulated message type.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done an introduction simply in will describing embodiment below; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of sending method one embodiment of OTN expense of the present invention;
Fig. 2 is the system configuration sketch map of the sending method of OTN expense of the present invention;
Fig. 3 is the form sketch map of the protocol massages after the physical layer encapsulation among the present invention;
Fig. 4 is the form sketch map of the static message after the physical layer encapsulation among the present invention;
Fig. 5 is the schematic flow sheet of another embodiment of sending method of OTN expense of the present invention;
Fig. 6 is the form sketch map of static message among the present invention;
Fig. 7 is the schematic flow sheet of another embodiment of sending method of OTN expense of the present invention;
Fig. 8 is the schematic flow sheet of method of reseptance one embodiment of OTN expense of the present invention;
Fig. 9 is the schematic flow sheet of another embodiment of method of reseptance of OTN expense of the present invention;
Figure 10 is the schematic flow sheet of another embodiment of method of reseptance of OTN expense of the present invention;
Figure 11 is the structural representation of dispensing device one embodiment of the present invention;
Figure 12 is the structural representation of another embodiment of dispensing device of the present invention;
Figure 13 is the structural representation of receiving system one embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the schematic flow sheet of sending method one embodiment of OTN expense of the present invention, comprising:
Step 11: the data message that transmit is carried out the physical layer encapsulation;, physical layer adds type field when encapsulating; Making in the physical layer channel of OTN expense can time division multiplexing data of different types message, and said type field is used to show the type of the said data message that will transmit.
Wherein, the data message that transmit can be divided into static message and protocol massages, and static message is meant the message of the immobilized substance that the cycle sends, and protocol massages is meant the message of certain complex protocol of operation (complex protocol).
Static message can be divided into (fast) static message and two types of slow (slow) static messages soon, and fast static message has the advantages that with respect to slow static message the cycle is short and length is short.Further, every kind of static message can also be divided into multiple littler type.
Protocol massages can comprise new Time delay measurement (new delayed time measure, ndtm) protocol massages, 1588 protocol massages, General Purpose Communication Channel (General Communication Channel, GCC) protocol massages etc.
Concrete, referring to Fig. 2, the data message that transmit can specifically comprise the data message of fast static message (fast_type), slow static message (slow_type), ndtm protocol massages, 1588 protocol massages, GCC protocol massages and n kind Retention Type.Fast static message can further be divided into i kind message, and slow static message can further be divided into k kind message, and every kind of message that static message comprises can be made up of type identification (id), length (L) and data (D).Above-mentioned n, i, k are positive integer.
In the prior art, the data message that transmit is directly to be inserted in the fixing physical layer channel of OTN expense to transmit, and for example, for the GCC protocol massages, the GCC protocol massages that will transmit directly is inserted in the GCC passage of OTN expense and transmits.
And in the present embodiment, do not transmit the data message of a certain type in the OTN expense, but the several data message can the time-sharing multiplex transmission.For example,, can in very first time section, transmit the GCC protocol massages, and in second time period, transmit 1588 protocol massages, in the 3rd time period, transmit static message etc. for the GCC passage.
Owing to can transmit polytype data message in the physical layer channel, can correctly receive message in order to guarantee receiving terminal, can in data message transmission, identify the type of this data message.Adopt the mode of physical layer encapsulation in the present embodiment, when physical layer encapsulates, add the corresponding type of data message.
Concrete; Be encapsulated as example with HDLC; Referring to Fig. 3, for protocol massages carries out the message format after the physical layer encapsulation, comprise HDLC frame head (7E), type field (mux_type), as complex protocol part (protocol massages that just will transmit), CRC check position and the HDLC postamble of payload; Wherein, the CRC check position can be divided into a CRC check high position (crch) and CRC check low level (crcl).Referring to Fig. 4; For static message carries out the message format after physical layer encapsulates; Comprise HDLC frame head (7E), type field (mux_type), (specifically can be as the static message part of payload by multiple subtype number according to forming; Every seed category data can be represented with type-length-value), CRC check position and HDLC postamble, wherein, the CRC check position can be divided into a CRC check high position (crch) and CRC check low level (crcl).Type field wherein (mux_type) is used to show the type of data message, for example, and for fast static message; Can be set to 01 by its mux_type,, can be set to 02 by its mux_type for slow static message; For the GCC protocol massages, can its mux_type be set to 03 etc.Wherein, the physical layer packaged type of Fig. 3 or Fig. 4 is encapsulated as example with HDLC, it is understandable that, also can adopt Ethernet encapsulation (FE, GE, 10GE) etc.When the length of mux_type was defined as 1 byte, its extendible data type can reach 255 kinds (complete 0 is invalid), and when the length of mux_type was defined as double byte, its expansion type can reach 65535 kinds.If further dividing data type in the data message is planted data like the i (i is a positive integer) that comprises in the static message, the expansion structure of data message just becomes very flexibly so, and forward compatibility becomes very simply.
For the corresponding data message of each mux_type, agreement that can isolated operation oneself is for example moved 1588 agreements or GCC agreement etc.Because physical layer encapsulation and protocol-independent can be realized the decoupling zero of physical layer and agreement.
Step 12: the data message after the physical layer encapsulation is sent in the physical layer channel of OTN expense.
Wherein, The physical layer channel of OTN expense can comprise one or more; For example, if, can being inserted into the data message after the physical layer encapsulation byte place that GCC0 takies so as the physical layer channel of data message transmission in each frame, the byte that definition is taken by GCC0 transmits.Again for example; If the byte that byte that definition is taken by GCC0 and GCC1 take is as the physical layer channel of data message transmission, in each frame, the data message after the physical layer encapsulation is inserted into the byte place that byte that GCC0 takies and GCC1 take so and transmits.
Present embodiment is unfixing to a kind of data message transmission with a physical layer channel when data message transmission; But all types of data messages can both transmit in same physical layer channel; The data of different types message just can transmit in same physical layer channel in timesharing so, improves service efficiency.Because physical layer channel can transmit the data message of any type, can realize the dynamic assignment of bandwidth.When physical layer encapsulates, add the type of data message, can realize the expansion of data message type.
Fig. 5 is the schematic flow sheet of another embodiment of sending method of OTN expense of the present invention, and present embodiment is an example to send static message.Referring to Fig. 5, present embodiment comprises:
Step 51: static message control module is sent indication (ready) signal to timesharing and priority control module in the time will sending static message.
Wherein, Static message is periodically to send; Suppose that static message is is to send in the cycle from time point 0 beginning with the time T; When the transmission cycle of static message arrived, just at these time points of nT (n is a positive integer), whether static message control module can detect will send static message so.
Referring to Fig. 6, static message can be organized with the mode of passage, and static message control module can begin to patrol and examine to determine whether sending static message from first passage (C1).For example, static message can comprise 64 passages, and each passage can comprise the data of 32 bytes.Wherein the data of each passage are relatively independent, and detailed directions can be done definition or parsing by high layer software.It is understandable that the data length of passage number given here, each passage can define voluntarily.
In each passage, can locate record sum (total) value first byte (byte number is 0); The byte number that total value mark need send when prepass; The byte number that needs to send comprises the total byte, has data to send if total value non-0 shows this passage.Static message control module just can be sent the ready signal to timesharing and priority control module when arbitrary passage has data to send.
Step 52: after timesharing and priority control module receive index signal; Confirm to send should the static state message after; To High-Level Data Link Control (High level Data Link Control; HDLC) package module sends frame header fields and type of message field, and obtains valid data to static message control module, just obtains the data message that will transmit.
Wherein, After timesharing and priority control module receive the ready signal; Whether at first judge currently has message sending; If no, judge whether to receive the ready signal of other message again, if do not receive the ready signal of other message then confirm to send the data message that this will send.Perhaps; If receive the ready signal of other message; Then can for example, show ready signal that will send 1588 protocol massages and the ready signal that will send static message according to the priority preset order literary composition that sends datagram if receive; And static priority of messages is higher than 1588 messages, can confirm so to send the static message that this will send.Again for example; If receive the ready signal of static message of ready signal and slow type of the static message of fast type; And the static priority of messages of fast type is higher than the static message of slow type, then can confirm to send the static message of fast type.
Confirm to send should the static state message after, need to combine HDLC to handle and carry out the transmission of respective field, for example, send the 7E frame head of 1 byte earlier; The type of message mux_type of 1 byte of redispatching, particularly, for the fast type, mux_type is 01, for the slow type, mux_type is 02.
Further, when needing to send the 3rd byte, in the time of just need sending valid data, timesharing and priority control module can be sent request signal (req) to static message control module, with the request valid data.
Step 53: after static message control module receives request signal, the valid data of static message are sent to timesharing and priority control module and provide useful signal synchronously, and static message control module provides invalid signals after having sent valid data.
When static message control module receives behind the req signal; Send the data of first byte if desired; Be the corresponding data in total position (location index is 0), send to timesharing and priority control module after then the total value being replaced with channel value, for example; The data of first passage of the static message of current transmission, the total value with first passage replaces with 1 so.
When static message control module receives behind the req signal; Send the data of non-total position if desired; Promptly the data of the 2nd～32 byte (location index is 1～31) then directly send to timesharing and priority control module with data in the buffer memory, for example send id1, L1, data1 etc. successively.
In addition, because static message is to organize with the mode of passage,, need the valid data of a passage be sent the valid data of the next passage of redispatching after finishing in order to guarantee the integrality of data.For example, static message control module with the data of first passage (C1) send finish after, continue to patrol and examine second passage (C2) and handle C3 again after finishing in that the data among the C2 are sent, the rest may be inferred.In addition, can be divided into polytype owing in the static message, for example id1, id2 etc.; The data of the another kind of type of redispatching after then need one type data transmission being finished; For example, with id1, L1 and data1 send finish after, the id2 that redispatches, L2 and data2.
Moreover if owing to reasons such as priority controls, within a transmission cycle of static message, 64 passages are not are not patrolled and examined and are finished, and then need within the next one transmission cycle, follow the position of last time and continue to send, and all can send to guarantee all passages.
Step 54: the valid data of the static message that timesharing and priority control module will receive send to the HDLC package module.
Step 55:HDLC package module carries out the physical layer encapsulation to the data that receive.
For example; When physical layer encapsulated, encapsulation frame head 7E encapsulated mux_type more earlier; Be valid data afterwards; (Cyclic Redundancy Check, CRC) 16 check digit (this position can specifically comprise crch and crcl) are afterwards immediately following postamble mark 7E in the CRC of continuation encapsulation HDLC when receiving invalid signals again.At this moment, a complete HDLC message is accomplished and is sent, and gets in the next circulation.
Static message after the physical layer encapsulation can be referring to above-mentioned Fig. 4.
Need to prove; Owing to usually adopt 7E to represent the start-stop of message, so in effective content of non-message start-stop if 7E decides the frame processing for fear of mistake; In the time of can in effective content, 7E occurring in the present embodiment; The 7E of 1 byte is replaced with the 7D and the 5D of two bytes, when in effective content, 7D occurring, the 7D of 1 byte is replaced with the 7D and the 5E of two bytes.Because the data with 1 byte during replacement replace with 2 bytes, when occurring 7E or 7D so, the req signal demand temporarily stops a clock, and wherein, a clock is used to extract the data of a byte.
Static message after step 56:HDLC package module encapsulates physical layer inserts in the OTN expense.
Step 57:OTN expense module is sent the static message after the physical layer encapsulation.
Present embodiment is described encapsulation of the physical layer of static message and process of transmitting, to be implemented in the physical layer channel transmission to static message.
Fig. 7 is example for the schematic flow sheet of another embodiment of sending method of OTN expense of the present invention, present embodiment to send protocol massages.Referring to Fig. 7, present embodiment comprises:
Step 71: the protocol massages control module is sent indication (ready) signal to timesharing and priority control module in the time will sending protocol massages.
Step 72: after timesharing and priority control module receive index signal; After confirming to send this protocol massages; Send frame header fields and type of message field to the HDLC package module, and obtain valid data, just obtain the data message that will transmit to the protocol massages control module.
Wherein, similar processing to static message, timesharing and priority control also can determine whether to send this protocol massages according to current message and the priority orders of whether sending.
Confirming to send protocol massages, can at first send frame head 7E, the mux_type field of redispatching and showing type of message is obtained valid data to the protocol massages control module afterwards.
Step 73: after the protocol massages control module receives request signal, the valid data of protocol massages are sent to timesharing and priority control module and provide useful signal synchronously, and the protocol massages control module provides invalid signals after having sent valid data.
Wherein, the valid data in the present embodiment are messages of having accomplished protocol layer encapsulation, for example for accomplishing the GCC protocol massages of GCC protocol encapsulation, perhaps be to accomplish 1588 protocol massages that protocol layer encapsulates etc. according to 1588 agreements.
Step 74: the valid data of the static message that timesharing and priority control module will receive send to the HDLC package module.
Step 75:HDLC package module carries out the physical layer encapsulation to the data that receive.
For example, when physical layer encapsulates, encapsulate frame head 7E earlier; Encapsulate mux_type again; Be valid data afterwards, when receiving invalid signals, continue the CRC16 check digit (this position can specifically comprise crch and crcl) of encapsulation HDLC more afterwards, afterwards immediately following postamble mark 7E.At this moment, a complete HDLC message is accomplished and is sent, and gets in the next circulation.
Protocol massages after the physical layer encapsulation can be referring to above-mentioned Fig. 3.
Similar processing to static message if the valid data of protocol massages comprise 7E or 7D, also can be replaced processing, and detailed process can be referring to the associated description in the static message.
Static message after step 76:HDLC package module encapsulates physical layer inserts in the OTN expense.
Step 77:OTN expense module is sent the static message after the physical layer encapsulation.
Present embodiment is described encapsulation of the physical layer of protocol massages and process of transmitting, to be implemented in the physical layer channel transmission to protocol massages.
Fig. 8 is the schematic flow sheet of method of reseptance one embodiment of OTN expense of the present invention, comprising:
Step 81: receive the data message after the physical layer of transmitting in the physical layer channel of OTN expense encapsulates; Containing type field in the data message after the said physical layer encapsulation; Said physical layer channel can time division multiplexing data of different types message, and said type field is used to show the type of said data message.
Step 82:, said data message is received processing according to said type field.
Present embodiment is unfixing to a kind of data message transmission with a physical layer channel when data message transmission; But all types of data messages can both transmit in physical layer channel; The data of different types message just can transmit in same physical layer channel in timesharing so, improves service efficiency.Because physical layer channel can transmit the data message of any type, can realize the dynamic assignment of bandwidth.When physical layer encapsulates, add the type of data message, can realize the expansion of data message type.
Fig. 9 is the schematic flow sheet of another embodiment of method of reseptance of OTN expense of the present invention, and present embodiment is an example to receive static message, and present embodiment comprises:
Step 91:OTN expense module sends to the HDLC decapsulation module with the data message that transmits in the physical layer channel.
Wherein, this data message is the data message after having been encapsulated by physical layer, and the type in the physical layer encapsulation fields shows that this data message is static message.
Step 92:HDLC decapsulation module is carried out decapsulation to the data message that receives; Obtain type field; When type field is indicated as static message, sends index signal (ready) to static message control module, and the data message after the decapsulation is sent to static message control module.
Wherein, the HDLC decapsulation module receives data message, if detect frame head 7E; Then get into the predetermined frame state; Continue resolving first byte that obtains non-7E is the type byte, be static message according to the type byte specified data type of message after, send index signal to static message control module; Starting of the reception of static message control module, and the data message after the decapsulation is sent to static message control module to data.
In decapsulation process, it is the valid data part of static message that second byte after the non-7E byte begins.Because the data that receive are not necessarily accurate, can adopt the mode of L2 cache will send to static message control module through the data after the CRC check this moment.
The mode of L2 cache can be: at first, the valid data (data message after the physical layer decapsulation just) that receive are carried out temporary cache, can be called the first order buffer memory this moment.Concrete, can get access to corresponding channel number Ci and do and latch from the 2nd byte, according to the Ci information that is latched into, can the data that be about to receive be written on the respective channel corresponding address.From message structure, what the 3rd byte was corresponding is the id1 position of first passage, and therefore, the 3rd byte that receives stored since 1 address, up to reception all data contents that finishes.After waiting to receive last byte, obtain the current address ram of writing, and write this address ram value, as receiver side total value in 0 address.
Secondly, the data behind the first order buffer memory are carried out CRC check;
Once more, after verification was passed through, the HDLC decapsulation module was sent index signal to static message control module, and first order data in buffer was duplicated (copy) give second level buffer memory.Concrete, after receiving valid data,, then think this frame end if detect 7E once more, judge whether the CRC check result is correct this moment.If HDLC CRC check failure, then the 1st grade of buffer memory can be to level 2 cache memory copy, if the HDLC CRC check is correct; Then start the copy of the 1st grade of buffer memory to level 2 cache memory, but need read the 1st in the copy process earlier, the data of level 2 cache memory, compare; If variant, then can provide interruption, whether need to interrupt; Can be configured according to the application of reality; The data of sending fast if desired and receiving then need to interrupt, and the fast message can adopt the Interrupt Process mode, and slow does not need the Interrupt Process mode.If there is not difference, the data of copy are that consistent identical data are not capped and can bring influence with the 2nd grade.Simultaneously, for the data that guarantee level 2 cache memory are up-to-date, then need to write 0 greater than the data in the address of this value, less than normal write data in the address of this value according to the total value that calculates.
In above-mentioned copy process, cover in order to prevent in the copy process the 1st grade of data that buffer memory is newly received, so need be copy in this process and latch, promptly in the copy process, the 1st grade of buffer memory do not allow to write new data content.
Present embodiment can be to the correct reception of data of different types message through the detection messages type field.
Figure 10 is example for the schematic flow sheet of another embodiment of method of reseptance of OTN expense of the present invention, present embodiment to receive protocol massages, and present embodiment comprises:
Step 101:OTN expense module sends to the HDLC package module with the data message that transmits in the physical layer channel.
Step 102:HDLC decapsulation module is carried out decapsulation to the data message that receives; Obtain type field; When type field is indicated as protocol massages, sends index signal (ready) to the protocol massages control module, and the data message after the decapsulation is sent to the protocol massages control module.
Different with static message processing is; After the HDLC package module sent to the protocol massages control module with valid data (the 2nd byte after the non-7E begins until the data before the CRC check), the protocol massages control module can be carried out verification to valid data again according to the CRC check mechanism that carries.Wherein, the HDLC package module carries out that postamble is confirmed and the content of CRC check can be referring to the related content of static message.
Present embodiment can be to the correct reception of data of different types message through the detection messages type field.
Further; In the above-mentioned receiving course, carry out DFX (design for X) if desired, wherein X for example is maintainability, testability etc.; Then judging whether verification succeeds of CRC; Perhaps when statistics transmitting-receiving bag number, need same type data message be added up according to the mux_type value.
Figure 11 is the structural representation of dispensing device one embodiment of the present invention, comprises physical layer package module 111 and OTN expense module 112; Physical layer package module 111 is used for the data message that will transmit is carried out the physical layer encapsulation;, physical layer adds type field when encapsulating; Making in the physical layer channel of OTN expense can time division multiplexing data of different types message, and said type field is used to show the type of the said data message that will transmit; OTN expense module 112 is used for the data message after the physical layer encapsulation is sent at the physical layer channel of OTN expense.
Optional, referring to Figure 12, physical layer package module 111 can comprise: message control module 121, timesharing and priority control module 122 and HDLC package module 123; Said timesharing and priority control module 122 are used for after the index signal that receives message control module 121 transmissions; Send frame head and said type field to HDLC package module 123; And to the said data message that will transmit of said message control module 121 requests, and the said data message that will transmit sent to said HDLC package module 123;
Said message control module 121 is used to send said index signal; After being used for said timesharing and the said data message that will transmit of priority control module 122 requests, send the said data message that will transmit to said timesharing and priority control module 122; After being used to send the said data message that will transmit, send invalid signals to said HDLC package module 123 through said timesharing and priority control module 122.
Said HDLC package module 123 is used for after receiving invalid signals; Generate CRC check field and HDLC postamble; And encapsulate according to the order of said HDLC frame head, said type field, the said data message that will transmit, said crc field, said HDLC postamble, said invalid signals is that said message control module 121 is sent after having sent valid data.
Optional, said message control module 121 specifically comprises:
The first control submodule is used to send said index signal;
The second control submodule, be used for the said data message that will transmit of said timesharing and the request of priority control module after, to the said data message that will transmit of said timesharing and priority control module transmission;
The 3rd control submodule, be used to send the said data message that will transmit after, send said invalid signals to said HDLC package module.
Optional, the said data message that will transmit is static message, the said first control submodule specifically comprises:
The first static message control module is used for after the transmission cycle arrives, patrolling and examining each passage of the said data message that will transmit successively, and is not 0 o'clock in the total amount of byte of passage, to said timesharing and the said index signal of priority control module 121 transmissions.
Optional, the said second control submodule specifically comprises:
The second static message control module; After being used for the said data message that will transmit of said timesharing and the request of priority control module; Read the data of each passage of the said data message that will transmit successively, the data in channel number and the passage are sent to said timesharing and priority control module.
Optional, the said data message that will transmit comprises at least one passage; Each passage comprises the total amount of byte and the channel data of passage; Said channel data comprises at least one subchannel; Said subchannel comprises the data type of subchannel, the total amount of byte and the number of subchannels certificate of subchannel.
Optional, the said data message that will transmit is a protocol massages, the said first control submodule specifically comprises:
The first protocol massages control module is used for after obtaining the data message of accomplishing protocol encapsulation, sends said index signal to said timesharing and priority control module.
Optional, the said second control submodule specifically comprises:
The second protocol massages control module, be used for the said data message that will transmit of said timesharing and the request of priority control module after, the said data message of having accomplished protocol encapsulation is sent to timesharing and priority control module.
Present embodiment carries out the physical layer encapsulation through the data message that will transmit; Data message after the physical layer encapsulation is transmitted in physical layer channel; Rather than with the physical layer channel fixed constraints for the transmission a certain data message; So just can realize that the data of different types message can the same physical layer channel of time division multiplexing, improve the service efficiency of physical layer channel, and can realize the dynamic assignment of physical layer channel; Through the encapsulated message type, can expand the type of data message.
Figure 13 is the structural representation of receiving system one embodiment of the present invention, comprises OTN expense module 131 and physical layer decapsulation module 132; OTN expense module 131 is used for receiving the data message after the physical layer encapsulation that the physical layer channel of OTN expense transmits; Containing type field in the data message after the said physical layer encapsulation; Can time division multiplexing data of different types message in the said physical layer channel, said type field is used to show the type of said data message; Physical layer decapsulation module 132 is used for according to said type field said data message being received processing.
Optional, said type field shows that said data message is static message, said physical layer decapsulation module 132 specifically comprises: a HDLC decapsulation module and first message control module;
A said HDLC decapsulation module is used for the data message after the said physical layer encapsulation is carried out decapsulation, obtains said type field and said data message, and said data message is carried out buffer memory; Being used for that the data in buffer message is carried out CRC handles; Be used for after the CRC check success, sending index signal to said first message control module, and said data in buffer message being sent to said first message control module;
Said first message control module, be used to receive said index signal after, receive the said data in buffer message that a said HDLC decapsulation module is sent.
Optional, said type field shows that said data message is a protocol massages, said physical layer decapsulation module specifically comprises the 2nd HDLC decapsulation module and second message control module;
Said the 2nd HDLC decapsulation module; Be used for the data message after the said physical layer encapsulation is carried out decapsulation; Obtain said type field and said data message, send index signal, and said data message is sent to said second message control module to said second message control module;
Said second message control module, be used to receive said index signal after, receive the said data message that said the 2nd HDLC decapsulation module is sent.
Present embodiment carries out the physical layer encapsulation through the data message that will transmit; Data message after the physical layer encapsulation is transmitted in physical layer channel; Rather than with the physical layer channel fixed constraints for the transmission a certain data message; So just can realize that the data of different types message can the same physical layer channel of time division multiplexing, improve the service efficiency of physical layer channel, and can realize the dynamic assignment of physical layer channel; Through the encapsulated message type, can expand the type of data message.
The embodiment of above-mentioned transmitting apparatus and receiving equipment, the practical implementation process of its each module and the contents such as information interaction between each module since with the inventive method embodiment based on same inventive concept, can be not described in detail here referring to method embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (21)
1. the sending method of an optical transfer network (OTN) expense is characterized in that, comprising:
The data message that will transmit is carried out the physical layer encapsulation;, physical layer adds type field when encapsulating; Making in the physical layer channel of OTN expense can time division multiplexing data of different types message, and said type field is used to show the type of the said data message that will transmit;
Data message after the physical layer encapsulation is sent in the physical layer channel of OTN expense.
2. method according to claim 1 is characterized in that, said the data message that will transmit is carried out physical layer encapsulation, and interpolation type field when physical layer encapsulate specifically comprises:
Message control module is sent index signal;
After timesharing and priority control module receive said index signal, send HDLC frame head and said type field to High-Level Data Link Control (HDLC) package module;
Timesharing and priority control module be to the said data message that will transmit of message control module request, and the said data message that will transmit is sent to the HDLC package module;
The HDLC package module is after receiving invalid signals; Generate Cyclic Redundancy Check field and HDLC postamble; And encapsulate according to the order of said HDLC frame head, said type field, the said data message that will transmit, said crc field, said HDLC postamble, said invalid signals is that message control module is sent after having sent the said data message that will transmit.
3. method according to claim 2 is characterized in that, the said data message that will transmit is static message, and said message control module is sent index signal, specifically comprises:
Message control module is patrolled and examined each passage of the said data message that will transmit successively after the transmission cycle arrives, and is not 0 o'clock in the total amount of byte of passage, sends said index signal to timesharing and priority control module.
4. method according to claim 3 is characterized in that, said timesharing and priority control module specifically comprise to the said data message that will transmit of message control module request:
Timesharing and priority control module are sent request signal to message control module;
After message control module receives the described request signal, read the data of each passage of the said data message that will transmit successively, the data in channel number and the passage are sent to timesharing and priority control module.
5. according to each described method of claim 1-4, it is characterized in that the said data message that will transmit comprises at least one passage; Each passage comprises the total amount of byte and the channel data of passage; Said channel data comprises at least one subchannel; Said subchannel comprises the data type of subchannel, the total amount of byte and the number of subchannels certificate of subchannel.
6. method according to claim 2 is characterized in that, the said data message that will transmit is a protocol massages, and said message control module is sent index signal, specifically comprises:
Message control module is sent said index signal to timesharing and priority control module after obtaining the data message of accomplishing protocol encapsulation.
7. method according to claim 6 is characterized in that, said timesharing and priority control module specifically comprise to the said data message that will transmit of message control module request:
Timesharing and priority control module are sent request signal to message control module;
After message control module receives the described request signal, the said data message of having accomplished protocol encapsulation is sent to timesharing and priority control module.
8. the method for reseptance of an optical transfer network (OTN) expense is characterized in that, comprising:
Receive the data message after the physical layer of transmitting in the physical layer channel of OTN expense encapsulates; Containing type field in the data message after the said physical layer encapsulation; Can time division multiplexing data of different types message in the said physical layer channel, said type field is used to show the type of said data message;
According to said type field said data message is received processing.
9. method according to claim 8 is characterized in that, said type field shows that said data message is static message, saidly according to said type field said data message is received processing, specifically comprises:
Data message after High-Level Data Link Control (HDLC) decapsulation module encapsulates said physical layer carries out decapsulation, obtains said type field and said data message, and said data message is carried out buffer memory;
The HDLC decapsulation module is carried out Cyclic Redundancy Check to the data in buffer message and is handled;
The HDLC decapsulation module is sent index signal to message control module after the CRC check success, and said data in buffer message is sent to message control module.
10. method according to claim 8 is characterized in that, said type field shows that said data message is a protocol massages, saidly according to said type field said data message is received processing, specifically comprises:
Data message after High-Level Data Link Control (HDLC) decapsulation module encapsulates said physical layer carries out decapsulation, obtains said type field and said data message;
The HDLC decapsulation module is sent index signal to message control module, and said data message is sent to message control module.
11. a dispensing device is characterized in that, comprising:
The physical layer package module; Be used for the data message that will transmit is carried out the physical layer encapsulation;, physical layer adds type field when encapsulating; Making in the physical layer channel of optical transfer network (OTN) expense can time division multiplexing data of different types message, and said type field is used to show the type of the said data message that will transmit;
OTN expense module is used for the data message after the physical layer encapsulation is sent at the physical layer channel of OTN expense.
12. device according to claim 11 is characterized in that, said physical layer package module specifically comprises timesharing and priority control module, message control module and High-Level Data Link Control (HDLC) package module:
Said timesharing and priority control module; Be used for after the index signal that receives said message control module transmission; Send HDLC frame head and said type field to said HDLC package module; And to the said data message that will transmit of said message control module request, and the said data message that will transmit sent to said HDLC package module;
Said message control module is used to send said index signal; After being used for the said data message that will transmit of said timesharing and the request of priority control module, send the said data message that will transmit to said timesharing and priority control module; After being used to send the said data message that will transmit, send invalid signals to said HDLC package module through said timesharing and priority control module;
Said HDLC package module; Be used for after receiving said invalid signals; Generate Cyclic Redundancy Check field and HDLC postamble, and encapsulate according to the order of said HDLC frame head, said type field, the said data message that will transmit, said crc field, said HDLC postamble.
13. device according to claim 12 is characterized in that, said message control module specifically comprises:
The first control submodule is used to send said index signal;
The second control submodule, be used for the said data message that will transmit of said timesharing and the request of priority control module after, to the said data message that will transmit of said timesharing and priority control module transmission;
The 3rd control submodule, be used to send the said data message that will transmit after, send said invalid signals to said HDLC package module.
14. device according to claim 13 is characterized in that, the said data message that will transmit is static message, and the said first control submodule specifically comprises:
The first static message control module is used for after the transmission cycle arrives, patrolling and examining each passage of the said data message that will transmit successively, and is not 0 o'clock in the total amount of byte of passage, sends said index signal to said timesharing and priority control module.
15. device according to claim 13 is characterized in that, the said second control submodule specifically comprises:
The second static message control module; After being used for the said data message that will transmit of said timesharing and the request of priority control module; Read the data of each passage of the said data message that will transmit successively, the data in channel number and the passage are sent to said timesharing and priority control module.
16., it is characterized in that the said data message that will transmit comprises at least one passage according to each described device of claim 11-15; Each passage comprises the total amount of byte and the channel data of passage; Said channel data comprises at least one subchannel; Said subchannel comprises the data type of subchannel, the total amount of byte and the number of subchannels certificate of subchannel.
17. device according to claim 12 is characterized in that, the said data message that will transmit is a protocol massages, and the said first control submodule specifically comprises:
The first protocol massages control module is used for after obtaining the data message of accomplishing protocol encapsulation, sends said index signal to said timesharing and priority control module.
18. device according to claim 17 is characterized in that, the said second control submodule specifically comprises:
The second protocol massages control module, be used for the said data message that will transmit of said timesharing and the request of priority control module after, the said data message of having accomplished protocol encapsulation is sent to said timesharing and priority control module.
19. a receiving system is characterized in that, comprising:
Optical transfer network (OTN) expense module; Be used for receiving the data message after the physical layer encapsulation that the physical layer channel of OTN expense transmits; Containing type field in the data message after the said physical layer encapsulation; Can time division multiplexing data of different types message in the said physical layer channel, said type field is used to show the type of said data message;
The physical layer decapsulation module is used for according to said type field said data message being received processing.
20. device according to claim 19; It is characterized in that; Said type field shows that said data message is static message, and said physical layer decapsulation module specifically comprises first High-Level Data Link Control (HDLC) decapsulation module and first message control module:
A said HDLC decapsulation module is used for the data message after the said physical layer encapsulation is carried out decapsulation, obtains said type field and said data message, and said data message is carried out buffer memory; Being used for that the data in buffer message is carried out Cyclic Redundancy Check handles; Be used for after the CRC check success, sending index signal to said first message control module, and said data in buffer message being sent to said first message control module;
Said first message control module, be used to receive said index signal after, receive the said data in buffer message that a said HDLC decapsulation module is sent.
21. device according to claim 19; It is characterized in that; Said type field shows that said data message is a protocol massages, and said physical layer decapsulation module specifically comprises second High-Level Data Link Control (HDLC) decapsulation module and second message control module;
Said the 2nd HDLC decapsulation module; Be used for the data message after the said physical layer encapsulation is carried out decapsulation; Obtain said type field and said data message, send index signal, and said data message is sent to said second message control module to said second message control module;
Said second message control module, be used to receive said index signal after, receive the said data message that said the 2nd HDLC decapsulation module is sent.
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| PCT/CN2012/076590 WO2013181826A1 (en) | 2012-06-07 | 2012-06-07 | Method and device for transmitting and receiving otn overhead |
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| WO2013181826A1 (en) | 2013-12-12 |
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