CN100518035C - Data-communication network system of optical network and its realizing method - Google Patents
Data-communication network system of optical network and its realizing method Download PDFInfo
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- CN100518035C CN100518035C CNB2006100757977A CN200610075797A CN100518035C CN 100518035 C CN100518035 C CN 100518035C CN B2006100757977 A CNB2006100757977 A CN B2006100757977A CN 200610075797 A CN200610075797 A CN 200610075797A CN 100518035 C CN100518035 C CN 100518035C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0287—Protection in WDM systems
- H04J14/0293—Optical channel protection
- H04J14/0295—Shared protection at the optical channel (1:1, n:m)
Abstract
This invention discloses a data communication network system and its realizing method in an optical network, which induces an associated process unit of the data communication network information to monitor timely the R-T and communication mode of the data information from an optical signal R-T unit, the optical monitor channel process unit and outer communication networks to design and monitor information in terms of pre-determined priorities to select the communication mode of the maximum priority to transmit and receive information, when the maximum priority is faulty, it switches to a mode of a lower level then to resume it after the fault is removed.
Description
Technical field
The present invention relates to the optical communication technology field, relate in particular to data-communication net work system and its implementation in a kind of optical-fiber network.
Background technology
In the Optical Transmission Network OTN that adopts wave division multiplexing WDM (Wavelength Division Multiplexing) technology, have a kind of data communication network (DCN, Data Communication Network).The effect of data communication network in the optical transport network (DCN), mainly be to be used for realizing the communication transmission of the management information between the network node and the communication transmission of control signaling information, can further be divided into management communication network (MCN) and signaling communication network (SCN) in view of the above.
At present, the physics realization of the data communication network of the existing WDM optical network system of industry, mainly adopt following three kinds of modes:
(1) Optical Supervisory Channel (OSC) mode is meant that the outer wavelength of the key light band that uses in the WDM device systems is as the special mode that transmits the physical channel of network management and control signaling information;
(2) traffic overhead mode is meant that the traffic frame overhead byte of the light signal that the key light wavelength in the use WDM device systems is carried transmits the mode of network management and control signaling information;
(3) system's external communication network mode is meant that the communication network that uses outside the WDM device systems self transmits the mode of network management and control signaling information, for example use external IP network mode commonly used.
The implementation of above-mentioned three kinds of data communication networks respectively has characteristics, that is:
(a) for the monitor channel mode, main feature is that the bang path of network management and control signaling information is relatively independent, the influence that not distributed by concrete professional road up and down, and communications protocol also can be selected flexibly simultaneously;
(b) for the traffic overhead mode, main feature is that not needing to increase special physics transmits carrier, directly transmits with the road synchronously with service signal;
(c) for system's external communication network mode, main feature is by by the communication network outside the system, makes data transmit and is totally independent of application system self, is not subjected to the break down influence of situation of system self.
But the data communication network of present existing optical network system is to adopt a kind of mode in above-mentioned three kinds of modes to realize substantially, does not adopt multiple mode and deposits complementary mixing application mode.To this, the present invention is directed to the application of optical transport network data communication network, data communication network system and its implementation of the shared optical network system of multiple mode have been proposed, utilize the application characteristic of every kind of implementation, by backuping each other between the multiple application mode, with network management that guarantees better and the reliability of controlling the signaling information transmission.
Summary of the invention
Technical problem to be solved by this invention is, data-communication net work system and its implementation in a kind of optical-fiber network are provided, overcome the aforementioned deficiency of available data communication network realization technology, reach the purpose of the reliability that guarantees that network management and control signaling information transmit.
The invention provides the data-communication net work system in a kind of optical-fiber network, be used to realize management information and the communication transmission of controlling signaling information between the optical network node, comprise two multiplex/demultiplex unit, its characteristics are that described system further comprises:
At least one optical signal transceiver unit, Optical Supervisory Channel processing unit, external communication network, network management plane processing unit, network control plane treatment unit, data communication network information synergism processing unit, wherein,
At least one optical signal transceiver unit, be connected with a described multiplex/demultiplex unit, be used to receive and send a certain optical wavelength signal of wave-length coverage in the key light band, simultaneously, insert from the overhead byte of the light signal frame structure that carried and parse corresponding network management control data message, the transmitting-receiving of carrying out the network management control data message with data communication network information synergism processing unit is mutual;
The Optical Supervisory Channel processing unit, be connected with a described multiplex/demultiplex unit, be used to receive and send the outer optical wavelength signal of key light band of Optical Supervisory Channel, simultaneously, insert from the overhead byte of the light signal frame structure that carried and parse corresponding network management control data message, the transmitting-receiving of carrying out the network management control data message with data communication network information synergism processing unit is mutual;
External communication network is the communication network outside the optical network node equipment, is used to receive and dispatch corresponding described network management control data message, and the transmitting-receiving of carrying out the network management control data message with data communication network information synergism processing unit is mutual;
The network management plane processing unit, the transmitting-receiving of carrying out network management data information with data communication network information synergism processing unit is mutual, described management data information is received processing and sends processing, and the communication modes priority of data communication network synergetic unit transceiver network management control data information is provided with;
Network control plane treatment unit, the transmitting-receiving of carrying out network control data information with data communication network information synergism processing unit is mutual, described control data information is received to handle and send handle;
Data communication network information synergism processing unit, the setting that network enabled management plane processing unit is carried out the communication modes priority of receiving and dispatching described network management control data message, on the one hand, to from described optical signal transceiver unit, described Optical Supervisory Channel processing unit, the transmitting-receiving processing and the communication condition of the described network management control data message of described external communication network are monitored, and after situation be set select according to priority, described network management control data message is distributed to described network management plane processing unit and described network control plane treatment unit, on the other hand, according to priority situation being set carries out will being distributed to described optical signal transceiver unit from the data message of described network management plane processing unit and described network control plane treatment unit after communication modes selects, described Optical Supervisory Channel processing unit, described external communication network.
Wherein, described data communication network information synergism processing unit comprises optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, external communication net message processing module, data message priority control module, wherein:
The optical monitoring channel information processing module, be used for monitoring from the transmitting-receiving processing and the communication condition of described Optical Supervisory Channel network of processing units management control data information, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Optical signal transceiver unit Overhead processing module, be used for transmitting-receiving processing and communication condition from the network management control data message of each optical signal transceiver unit are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
External communication net message processing module, be used for transmitting-receiving processing and communication condition from the network management control data message of external communication net are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Data message priority control module, the setting that network enabled management plane processing unit is carried out the communication modes priority of network management control data message, reception is from the optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, the communication condition information of external communication net message processing module and described data message, and after situation be set select according to priority, described data message is distributed to described network management plane processing unit and described network control plane treatment unit, simultaneously, according to priority situation being set carries out will being distributed to described optical monitoring channel information processing module from the data message of described network management plane processing unit and described network control plane treatment unit after communication modes selects, optical signal transceiver unit Overhead processing module, external communication net message processing module.
The present invention also provides a kind of data communication network implementation method of utilizing aforementioned system, is used to realize management information and the communication transmission of controlling signaling information between the optical network node, and described method comprises the steps:
(1) by described optical signal transceiver unit, from the overhead byte of the light signal frame structure that carried, insert and parse corresponding network management control data message, and itself and data communication network information synergism processing unit received and dispatched alternately, as first communication modes;
(2) by described Optical Supervisory Channel processing unit, from the overhead byte of the light signal frame structure that carried, insert and parse corresponding network management control data message, and itself and data communication network information synergism processing unit received and dispatched alternately, as second communication modes;
(3) by external communication network, described network management control data message is carried in transmitting-receiving, and itself and data communication network information synergism processing unit are received and dispatched alternately, as the 3rd communication mode;
(4) be provided with by the priority orders of described network management plane processing unit described first, second, third communication modes in the described data communication network information synergism processing unit;
(5) by described data communication network information synergism processing unit, monitoring is from the communication conditions of the network management control data message of different communication modes in real time, to be distributed to described network management plane processing unit and network control plane treatment unit from the data message of current limit priority, or will be from the data message of described network management plane processing unit and network control plane treatment unit, communication modes with current limit priority is distributed
Wherein, when discovery is unusual from the communication data information transmit-receive of current limit priority, switch to the communication modes of low one-level, when finding that the communication data information transmit-receive from current limit priority recovers just often, switches to the communication modes of limit priority.
Wherein, the priority orders of the described communication modes of step (4) is first, second, third communication modes from high to low successively.
Wherein, data communication network information synergism processing unit described in the step (5), comprise optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, external communication net message processing module, data message priority control module, wherein:
The optical monitoring channel information processing module, to monitoring from the transmitting-receiving processing and the communication condition of described Optical Supervisory Channel network of processing units management control data information, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Optical signal transceiver unit Overhead processing module, transmitting-receiving processing and communication condition from the network management control data message of each optical signal transceiver unit are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
External communication net message processing module, transmitting-receiving processing and communication condition from the network management control data message of external communication net are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Data message priority control module, the setting that network enabled management plane processing unit is carried out the communication modes priority of network management control data message, reception is from the optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, the communication condition information of external communication net message processing module and described data message, and after situation be set select according to priority, described data message is distributed to described network management plane processing unit and described network control plane treatment unit, simultaneously, according to priority situation being set carries out will being distributed to described optical monitoring channel information processing module from the data message of described network management plane processing unit and described network control plane treatment unit after communication modes selects, optical signal transceiver unit Overhead processing module, external communication net message processing module.
Described method further comprises:
(6) if three kinds of communication modes in the described data communication network all break down, described data-communication net work system processing unit will be waited for always, after the communication modes of one of them recovers, select the communication modes of current limit priority for use, carry out the transmitting-receiving of network management control data message.
Use data-communication net work system of the present invention and its implementation, set up one kind of multiple implementations and deposited, and realize managing and controlling the data-communication net work system that the signaling communication is transmitted according to priority orders, made full use of the advantage of each mode, simultaneously, backup each other each other between the multiple mode, guaranteed that better network management and control signaling information transmit the ground reliability.
Description of drawings
Fig. 1 is the structure chart according to the WDM device data network system of the embodiment of the invention;
Fig. 2 is the structure chart according to the WDM device data network system of one embodiment of the invention;
Fig. 3 is the structure chart according to the WDM device data network system of another embodiment of the present invention;
Fig. 4 is the structure chart according to the WDM device data network system of another embodiment of the present invention;
Fig. 5 is the structure chart according to the WDM device data network system of the situation that breaks down of the embodiment of the invention.
Embodiment
The present invention is in order to overcome the above-mentioned deficiency of available data communication network realization technology, and proposed a kind of in optical-fiber network multiple realization technology and the data-communication net work system of depositing and its implementation.
Described data-communication net work system as shown in Figure 1, mainly comprises following funtion part:
(1) multiplex/demultiplex unit.
It mainly is the multiplexer/demultiplexer of WDM intranodal, wherein:
The major function of multiplexer is the optical wavelength signal that each signal generation apparatus produced with the WDM intra-node, is multiplexed into the optical multiplexing section signal with wave division multiplex mode;
The major function of demodulation multiplexer is that the outside optical multiplexing section signal of importing of WDM node is resolved into a plurality of optical wavelength signals with reverse wave division multiplex mode.
(2) optical signal transceiver unit (OTU).
Be used to receive and send a certain optical wavelength signal that meets in the WDM equipment wave-length coverage, simultaneously can in the overhead byte of the light signal frame structure that is carried, insert and parse corresponding DCN data message, described data message, be the network management control data message, comprise management information and control signaling information.
(3) Optical Supervisory Channel (OSC) processing unit.
Be mainly used to receive and send WDM equipment Optical Supervisory Channel wavelength signals, can in the expense of the light signal frame structure that is carried, insert and parse corresponding DCN data message simultaneously.
(4) external communication network.Refer to WDM node device communication network in addition, for example external IP data network commonly used.
(5) network management plane processing unit.Major function is the management information in the DCN data of place node to be received to handle and send handle; Support is provided with the communication modes priority of DCN information synergism processing unit.
(6) network control plane treatment unit.Major function is that the signaling control information in the DCN data of place node is received and send processing.
(7) DCN information synergism processing unit.
Major function is the multiple DCN Data Source that provides of system-oriented (comprising respectively the data message from optical signal transceiver unit, Optical Supervisory Channel (OSC) processing unit and external communication network) simultaneously, provide the priority arbitration treatment mechanism to data message reception and transmission, and its communication condition monitored, need from a plurality of Data Sources, to select the data message that receives and send.
Described DCN information synergism processing unit, as shown in Figure 1, its internal structure further can be divided into following functional processing module again:
A) OSC message processing module is used for realizing to transmitting-receiving processing and communication condition monitoring from the OSC of system network of processing units communication data information; Send the network communication data message of communication condition monitoring information and reception to " the data message priority control module " that connected; Reception is from the network communication data message of " data message priority control module " distribution.
B) OTU Overhead processing module is used for realizing to transmitting-receiving processing and communication condition monitoring from the network communication data message of each OTU processing unit overhead byte of system; Send the network communication data message of communication condition monitoring information and reception to " the data message priority control module " that connected; Reception is from the network communication data message of " data message priority control module " distribution.
C) external communication network information processing module is used for realizing to transmitting-receiving processing and communication condition monitoring from system's external communication network of network communication data information; Send the network communication data message of communication condition monitoring information and reception to " the data message priority control module " that connected; Reception is from the network communication data message of " data message priority control module " distribution.
D) data message priority control module, major function comprises: the network enabled management plane is provided with data communication network implementation priority; The data communication information in the data message source (OSC message processing module, OTU Overhead processing module, external communication network information processing module) that reception is supported from system, and be provided with according to priority and be distributed to network management plane processing unit and network control plane treatment unit after situation is selected; Data message from network management plane processing unit and network control plane treatment unit is distributed to OSC message processing module, OTU Overhead processing module, external communication network information processing module.
The present invention is proposing on the basis of above-mentioned data communication network node implement device, by further introducing DCN information synergism processing unit, realizes the unified associated treatment from the data message of a plurality of DCN information-transmission apparatus.The step that the DCN information synergism is handled mainly comprises:
At first, be provided with, for example: select priority to be followed successively by OSC mode, traffic overhead mode, PERCOM peripheral communication net mode from high to low by the data communication network implementation priority of network management plane to system.Otherwise the priority orders of abideing by system default.
The monitoring in real time of DCN information synergism processing unit is from the communication conditions of the DCN data message of different modes, when finding, then carry out switching to a low priority data communication network implementation from the communication data message pick-up generation of current limit priority unusual (interrupting or error code).
The monitoring in real time of DCN information synergism processing unit is from the communication condition of the DCN data message of different modes, after confirming to be higher than the communication data net implementation recovery normally of current limit priority, then carry out switching to a high priority data communication network implementation.
When described data communication network is realized, at first, set up from the optical signal transceiver unit respectively, Optical Supervisory Channel processing unit, external communication network be to three kinds of communication modes of the transmitting-receiving of the data message the described data communication network information synergism processing unit, the data message from optical signal transceiver unit, Optical Supervisory Channel processing unit, external communication network is received and sends realizing.
Then, be that described data communication network information synergism processing unit carries out the setting of three kinds of communication modes priority by described network management plane processing unit.
Afterwards, described data communication network information synergism processing unit, monitor described three kinds of communication modes in real time, on the one hand, according to monitoring result and priority situation is set, selection receives from the data message of current limit priority communication modes, and it is distributed to described network management plane processing unit and network control plane treatment unit, wherein, management information is delivered to described network management plane processing unit and is received processing, and the control signaling information is delivered to network control plane treatment unit and received processing; On the other hand, described network management plane processing unit and network control plane treatment unit, send data message to described data communication network information synergism processing unit, according to monitoring result and priority situation is set, select current limit priority communication modes, data message is distributed to described optical signal transceiver unit, Optical Supervisory Channel processing unit, external communication network.
Below by the further detailed embodiment of the present invention, concrete technology implementation scheme of the present invention is explained in detail.
Embodiment 1:
As shown in Figure 2, be based on data communication network and its implementation that the present invention proposes, for an applicating example of WDM network data communication netting gear body realization.
In system and device shown in Figure 2; for present some WDM optical-fiber network; the data encapsulation mode of its loaded service signal adopts the mode of SDH frame structure; so the traffic overhead implementation of data communication network specifically can the corresponding expense content that adopts service signal SDH frame structure, for example the control of the protection in system signaling control information signaling moiety can adopt the K1/K2 byte of SDH multiplexing section overhead to realize.Be with the specific implementation technology of outer OSC mode can adopt the Time Division Multiplexing mode to realize.The external communication network implementation adopts the IP network of technology maturation.
Embodiment 2:
As shown in Figure 3, be based on data communication network and its implementation that the present invention proposes, give an example for the Another application of WDM network data communication netting gear body implement device.
In system's implement device of Fig. 3; for present some WDM optical-fiber network; the data encapsulation mode of its loaded service signal adopts the mode of gfp frame structure; so the traffic overhead implementation of data communication network specifically can the corresponding expense content that adopts service signal gfp frame structure, for example the control of the protection in system signaling control information signaling moiety can adopt the reservation overhead byte of GFP MSOH to realize.Be with the specific implementation technology of outer OSC mode can adopt 10/100M Ethernet protocol mode to realize.The external communication network implementation adopts the IP network of technology maturation.
Embodiment 3:
As shown in Figure 4, be based on data communication network and its implementation that the present invention proposes, for another applicating example of WDM network data communication netting gear body implement device.
In system's implement device of Fig. 4; for present some WDM optical-fiber network; the data encapsulation mode of its loaded service signal adopts the mode of the OTN frame structure that G.709 ITU-T stipulate in the standard; so the traffic overhead implementation of data communication network specifically can the corresponding expense content that adopts service signal OTN frame structure, for example the control of the protection in system signaling control information signaling moiety can adopt the reservation overhead byte of GFP MSOH to realize.Be with the specific implementation technology of outer OSC mode can adopt TDM mode or 10/100M Ethernet protocol mode to realize.The external communication network implementation adopts the IP network of technology maturation.
Embodiment 4:
As shown in Figure 5, in the present embodiment, in the time of will be to the situation of system's generation communication network fault, the specific implementation process of DCN information synergism processing unit be described in detail.
At first, the network operation person carries out the priority setting by network management plane to the data communication network priority selection mode of system, selects priority to be followed successively by OSC mode, traffic overhead mode, PERCOM peripheral communication net mode from high to low.System is according to the priority orders of system default before being provided with;
When any data communication network fault does not take place in system, DCN information synergism processing unit can be selected the effective means of the highest OSC mode of current system priority as the current data communication network, as the data source of actual reception, but send data message by three kinds of modes to the network associate node simultaneously;
(1) when network system when (as situations such as rupture of lines) broken down in the position 1. in the drawings, owing to cause all wavelengths channel failure and the OSC wavelength channel fault of the input of node right side simultaneously, being equivalent to all wavelengths passage 2. (comprises, 3. position) break down simultaneously, the OTU of all corresponding passages and OSC processing unit will send the NULL message of agreement in advance to place node DCN information synergism processing unit, after DCN information synergism processing unit detects the sky message, the communication modes that is the decidable correspondence lost efficacy, system switches to the PERCOM peripheral communication net mode with effective DCN data receive mode subsequently.After fault restoration, DCN information synergism processing unit can receive effective message again, and system switches to the highest OSC mode of priority with effective DCN data receive mode subsequently.
(2) when network system when (connecting situations such as fault as the intra-node wavelength channel) broken down in the position 2. in the drawings, corresponding OTU processing unit will send the NULL message of agreement in advance to the DCN of place node information synergism processing unit, after DCN information synergism processing unit detects the sky message, the communication mode that is the decidable correspondence lost efficacy, but,, system will not need to do switching so receiving the communication modes of selecting for use because the OSC mode of limit priority is still effective at this moment.If further subsequently occurrence positions fault 3., then the processing situation with (1) is identical.
(3) when network system when (connecting situations such as fault as intra-node OSC passage) broken down in the position 3. in the drawings, corresponding OSC processing unit will send the NULL message of agreement in advance to the DCN of place node information synergism processing unit, after DCN information synergism processing unit detects the sky message, the communication mode that is the decidable correspondence lost efficacy, and system switches to OTU expense mode with effective DCN data receive mode subsequently.After the fault restoration 3. of position, DCN information synergism processing unit can receive effective message again, and system switches to the highest OSC mode of priority with effective DCN data receive mode subsequently.
(4) when network system when (as situations such as external communication network faults) broken down in the position 4. in the drawings, DCN information synergism processing unit detects the data that can't receive from external communication network, and the communication mode of decidable correspondence lost efficacy, but,, system will not need to do switching so receiving the communication modes of selecting for use because the OSC mode of limit priority is still effective at this moment.If subsequently further occurrence positions 2. or fault 3., then the processing situation with (2) and (3) is identical respectively; 2. and fault 3. if further simultaneously occurrence positions, all data communication modes of present node all break down so, system DCN information synergism processing unit will wait for always that communication modes recovers, and begin to enable the highest communication mode of current priority again and carry out the transmission of Data Communication in Computer Networks information after fault recovery.
Claims (13)
1, the data-communication net work system in a kind of optical-fiber network is used to realize management information and the communication transmission of controlling signaling information between the optical network node, comprises two multiplex/demultiplex unit, it is characterized in that described system further comprises:
At least one optical signal transceiver unit, Optical Supervisory Channel processing unit, external communication network, network management plane processing unit, network control plane treatment unit, data communication network information synergism processing unit, wherein,
At least one optical signal transceiver unit, be connected with a described multiplex/demultiplex unit, be used to receive and send a certain optical wavelength signal of wave-length coverage in the key light band, simultaneously, insert from the overhead byte of the light signal frame structure that carried and parse corresponding network management control data message, the transmitting-receiving of carrying out the network management control data message with data communication network information synergism processing unit is mutual;
The Optical Supervisory Channel processing unit, the multiplex/demultiplex unit that links to each other with a described optical signal transceiver unit is connected, be used to receive and send the outer optical wavelength signal of key light band of Optical Supervisory Channel, simultaneously, insert from the overhead byte of the light signal frame structure that carried and parse corresponding network management control data message, the transmitting-receiving of carrying out the network management control data message with data communication network information synergism processing unit is mutual;
External communication network is the communication network outside the optical network node equipment, is used to receive and dispatch corresponding described network management control data message, and the transmitting-receiving of carrying out the network management control data message with data communication network information synergism processing unit is mutual;
The network management plane processing unit, the transmitting-receiving that is used for carrying out with data communication network information synergism processing unit network management data information is mutual, described management data information is received processing and sends processing, and the communication modes priority of data communication network synergetic unit transceiver network management control data information is provided with;
Network control plane treatment unit, the transmitting-receiving that is used for carrying out with data communication network information synergism processing unit network control data information is mutual, described control data information is received to handle and send handle;
Data communication network information synergism processing unit, be used for the setting that network enabled management plane processing unit is carried out the communication modes priority of receiving and dispatching described network management control data message, on the one hand, to from described optical signal transceiver unit, described Optical Supervisory Channel processing unit, the transmitting-receiving processing and the communication condition of the described network management control data message of described external communication network are monitored, and after situation be set select according to priority, described network management control data message is distributed to described network management plane processing unit and described network control plane treatment unit, on the other hand, according to priority situation being set carries out will being distributed to described optical signal transceiver unit from the data message of described network management plane processing unit and described network control plane treatment unit after communication modes selects, described Optical Supervisory Channel processing unit, described external communication network.
2, the data-communication net work system in the optical-fiber network as claimed in claim 1, it is characterized in that, described data communication network information synergism processing unit, comprise optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, external communication net message processing module, data message priority control module, wherein
The optical monitoring channel information processing module, be used for monitoring from the transmitting-receiving processing and the communication condition of described Optical Supervisory Channel network of processing units management control data information, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Optical signal transceiver unit Overhead processing module, be used for transmitting-receiving processing and communication condition from the network management control data message of each optical signal transceiver unit are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
External communication net message processing module, be used for transmitting-receiving processing and communication condition from the network management control data message of external communication net are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Data message priority control module, be used for the setting that network enabled management plane processing unit is carried out the communication modes priority of network management control data message, reception is from the optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, the communication condition information of external communication net message processing module and described data message, and after situation be set select according to priority, described data message is distributed to described network management plane processing unit and described network control plane treatment unit, simultaneously, according to priority situation being set carries out will being distributed to described optical monitoring channel information processing module from the data message of described network management plane processing unit and described network control plane treatment unit after communication modes selects, optical signal transceiver unit Overhead processing module, external communication net message processing module.
3, the data-communication net work system in the optical-fiber network as claimed in claim 1 is characterized in that, described external communication net is an IP network.
4, the data-communication net work system in the optical-fiber network as claimed in claim 1 is characterized in that, the outer Optical Supervisory Channel mode of the band in the described Optical Supervisory Channel processing unit adopts time division multiplexing mode or 10/100M Ethernet protocol mode to carry out.
5, the data-communication net work system in the optical-fiber network as claimed in claim 1, it is characterized in that, if the data encapsulation mode of described optical-fiber network institute loaded service signal adopts the mode of SDH frame structure, described data message is corresponding to the expense content of service signal SDH frame structure.
6, the data-communication net work system in the optical-fiber network as claimed in claim 1, it is characterized in that, if the data encapsulation mode of described optical-fiber network institute loaded service signal adopts the mode of gfp frame structure, described data message is corresponding to the expense content of service signal gfp frame structure.
7, the data-communication net work system in the optical-fiber network as claimed in claim 1, it is characterized in that, if the data encapsulation mode of described optical-fiber network institute loaded service signal adopts the G.709 mode of the OTN frame structure of prescribed by standard of ITU-T, described data message is corresponding to the expense content of service signal OTN frame structure.
8, a kind of data communication network implementation method of utilizing the data-communication net work system in the described optical-fiber network of claim 1 is used to realize management information and the communication transmission of controlling signaling information between the optical network node, it is characterized in that described method comprises the steps:
(1) by described optical signal transceiver unit, from the overhead byte of the light signal frame structure that carried, insert and parse corresponding network management control data message, and itself and data communication network information synergism processing unit received and dispatched alternately, as first communication modes;
(2) by described Optical Supervisory Channel processing unit, from the overhead byte of the light signal frame structure that carried, insert and parse corresponding network management control data message, and itself and data communication network information synergism processing unit received and dispatched alternately, as second communication modes;
(3) by external communication network, described network management control data message is carried in transmitting-receiving, and itself and data communication network information synergism processing unit are received and dispatched alternately, as the 3rd communication mode;
(4) by described network management plane processing unit the priority of described first, second, third communication modes in the described data communication network information synergism processing unit from high to low order successively is provided with;
(5) by described data communication network information synergism processing unit, monitoring is from the communication conditions of the network management control data message of different communication modes in real time, to be distributed to described network management plane processing unit and network control plane treatment unit from the data message of current limit priority, or will be from the data message of described network management plane processing unit and network control plane treatment unit, communication modes with current limit priority is distributed
Wherein, when discovery is unusual from the communication data information transmit-receive of current limit priority, switch to the communication modes of low one-level, when finding that the communication data information transmit-receive from current limit priority recovers just often, switches to the communication modes of limit priority.
9, method as claimed in claim 8, it is characterized in that, data communication network information synergism processing unit described in the step (5), comprise optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, external communication net message processing module, data message priority control module, wherein:
The optical monitoring channel information processing module, to monitoring from the transmitting-receiving processing and the communication condition of described Optical Supervisory Channel network of processing units management control data information, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Optical signal transceiver unit Overhead processing module, transmitting-receiving processing and communication condition from the network management control data message of each optical signal transceiver unit are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
External communication net message processing module, transmitting-receiving processing and communication condition from the network management control data message of external communication net are monitored, send communication condition monitoring information and the data message that is received to described data message priority control module, and receive the data message of being distributed by described data message priority control module;
Data message priority control module, the setting that network enabled management plane processing unit is carried out the communication modes priority of network management control data message, reception is from the optical monitoring channel information processing module, optical signal transceiver unit Overhead processing module, the communication condition information of external communication net message processing module and described data message, and after situation be set select according to priority, described data message is distributed to described network management plane processing unit and described network control plane treatment unit, simultaneously, according to priority situation being set carries out will being distributed to described optical monitoring channel information processing module from the data message of described network management plane processing unit and described network control plane treatment unit after communication modes selects, optical signal transceiver unit Overhead processing module, external communication net message processing module.
10, method as claimed in claim 8 is characterized in that, the mode of the light signal frame structure employing SDH frame structure described in the step (1) or the mode of gfp frame structure or ITU-T be the mode of the OTN frame structure of prescribed by standard G.709.
11, method as claimed in claim 8 is characterized in that, the light signal that is carried described in the step (2) is the outer wavelength of optical signal of band, and the outer Optical Supervisory Channel mode of its band is TDM mode or 10/100M Ethernet protocol mode.
12, method as claimed in claim 8 is characterized in that, the external communication network described in the step (3) is an IP network.
13, method as claimed in claim 8 is characterized in that, described method further comprises:
(6) if three kinds of communication modes in the described data communication network all break down, described data-communication net work system processing unit will be waited for always, after the communication modes of one of them recovers, select the communication modes of current limit priority for use, carry out the transmitting-receiving of network management control data message.
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| CNB2006100757977A CN100518035C (en) | 2006-05-09 | 2006-05-09 | Data-communication network system of optical network and its realizing method |
| PCT/CN2007/000361 WO2007128186A1 (en) | 2006-05-09 | 2007-02-02 | A data communication network system in optical network and realizing method thereof |
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| CN101132237A (en) * | 2006-08-22 | 2008-02-27 | 华为技术有限公司 | Optical network self-healing recovery method and system thereof |
| CN101043452B (en) * | 2007-03-14 | 2013-11-06 | 华为技术有限公司 | Method, system and apparatus for controlling surface signaling transmission in wireless system |
| CN101170711B (en) * | 2007-11-19 | 2010-06-23 | 中兴通讯股份有限公司 | Information transmission device and method for automatically switching optical network SCN and MCN |
| CN101217543B (en) * | 2008-01-21 | 2011-05-25 | 中兴通讯股份有限公司 | A method of communications in sequence according to PRI in multi physical channels of the cluster |
| CN106375054A (en) * | 2015-07-22 | 2017-02-01 | 中兴通讯股份有限公司 | OTN network element device, and OTN clock and time synchronization method and system |
| CN106506110B (en) * | 2015-09-06 | 2020-05-29 | 中兴通讯股份有限公司 | Statistical multiplexing optical transport network method and device |
| CN107294875B (en) * | 2016-03-31 | 2020-04-14 | 上海层峰网络科技有限公司 | Out-of-band control system and control plane communication method for SDN (software defined network) |
| CN109756797A (en) * | 2017-11-07 | 2019-05-14 | 阿里巴巴集团控股有限公司 | Double upper linked methods, optical network management equipment and optical transmission system |
| CN112054868B (en) * | 2019-06-06 | 2021-11-19 | 中国移动通信有限公司研究院 | Optical module, management and control information processing method and communication system |
| CN113300404B (en) * | 2021-05-31 | 2022-09-23 | 国网山东省电力公司电力科学研究院 | Distributed photovoltaic group control group regulation system and method based on intelligent remote control switch |
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| JP4588363B2 (en) * | 2004-05-26 | 2010-12-01 | 日本電信電話株式会社 | Optical network system and optical add / drop multiplexer |
| CN1288869C (en) * | 2004-12-29 | 2006-12-06 | 烽火通信科技股份有限公司 | A WDM optical transmission system with automatic link gain adjustment and method thereof |
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