CN108989177A - A kind of method of the Packet Service configuration of POTN equipment - Google Patents
A kind of method of the Packet Service configuration of POTN equipment Download PDFInfo
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- CN108989177A CN108989177A CN201810948175.3A CN201810948175A CN108989177A CN 108989177 A CN108989177 A CN 108989177A CN 201810948175 A CN201810948175 A CN 201810948175A CN 108989177 A CN108989177 A CN 108989177A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/825—Involving tunnels, e.g. MPLS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0066—Provisions for optical burst or packet networks
Abstract
The invention discloses a kind of methods of the Packet Service of POTN equipment configuration, comprising: the service bearer mode of MPLS-TP and OTN is configured that Ethernet service is encapsulated via PW pseudo-wire layer and lsp tunnel layer, completes Ethernet service to MPLS-TP layers of adaptation；It maps via light-path data cell layer, is finally carried by stripe centure again, complete MPLS-TP layers to OTN layers of adaptation；Wherein, the MPLS-TP layers of mapping to light-path data cell layer, the equipment internal interface PVE configuration by being grouped PTN are associated, the time slot for the equipment internal interface PVE and OTN light-path data cell layer that Packet Service uses are associated one by one；The service bearer mode of Ethernet and OTN is configured that Ethernet service maps directly in light-path data cell layer, is then carried by stripe centure, completes Ethernet to OTN layers of adaptation.The present invention this realization Ethernet service is to MPLS-TP, then carrying to OTN and Ethernet service directly arrive the carrying of OTN, and ensure that business can be established normally, deleted and be carried step by step.
Description
Technical field
The present invention relates to POTN (Packet Optical Transport Network, be grouped optical transport network) equipment,
More particularly to a kind of method of the Packet Service configuration of POTN equipment.
Background technique
In MAN transmission network, traditional business continues for a long time, and original bearer network needs to keep, while new business does not turn off
Hair causes multiple business bearer network to stack；On the other hand, business IPization carries IPization, and data service flow is advanced by leaps and bounds,
So there are the application scenarios for needing PTN Yu the back-to-back network interworking of WDM/OTN in existing net；Therefore, it is necessary to PTN (Packet
Transport Network, Packet Transport Network) and OTN (Optical Transport Network, optical transfer network) joined
It is combined net, and carries out intercommunication with existing SDH (Synchronous Digital Hierarchy, synchronous digital system) network.
For network O&M, and reduction transmission equipment type and the purpose for reducing overall cost is facilitated, need to carry out PTN and OTN
The fusion of further technology and equipment, to expedite the emergence of the optical transfer network of a new generation -- grouping optical transfer network (POTN).
POTN technology is exactly to introduce the ether of PTN based on the multi-service of OTN mapping multiplexing and the transmission scheduling of big pipeline
The grouping transmitting function of MPLS-TP (connection-oriented packet switching network) is netted, to realize the efficient spirit of carrier class Packet Service
Carrying living, and suitably compatible tradition SDH service processing function, wherein little particle business is handled by block functions, services of large granularities
Directly by ODUk (Optical Channel Data Unit, light-path data cell) or OCH (Optical Channel
Unit, light-path unit) it handles.POTN equipment realizes L0 layers of WDM (Wavelength Division
Multiplexing, wavelength-division multiplex) (Reconfigurable Optical Add-Drop Multiplexer, can weigh/ROADM
Structure optical add/drop multiplexer), the function set of L1 layers of SDH/OTN and L2 layers of grouping transmission (Ethernet and MPLS-TP) and organic melt
It closes.
The service bearer side of MPLS-TP and OTN are mainly completed in the configuration of POTN device packets business in POTN equipment
Formula；And the service bearer mode of Ethernet (ETH) and OTN.Former carrying provides Ethernet service to MPLS-TP layers, then
To OTN layers of adaption function, latter carrying provides the adaption function that Ethernet service directly arrives OTN layers；It can be seen that realize
The configuration of POTN device packets business must solve following problems:
(1) Ethernet service needs to carry via PTN (MPLS-TP) layer, is finally carried on OTN layer；
(2) Ethernet service needs are directly carried on OTN layer.
(3) there is dependences between each layer configuration, need during business is established and is deleted according to business
Dependence sequence is issued to business module.
Summary of the invention
The technical problem to be solved by the present invention is to realize the movement of the label of MPLS-TP and forwarding, Ethernet service is completed
To MPLS-TP, then arrive the carrying of OTN；And realize the label movement of VLAN, complete the carrying that Ethernet service directly arrives OTN
The problem of.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that providing a kind of grouping industry of POTN equipment
The method for being engaged in configuring, comprising:
The service bearer mode of MPLS-TP and OTN is configured that
Ethernet service is encapsulated via PW pseudo-wire layer and lsp tunnel layer, is completed Ethernet service and is fitted to MPLS-TP layers
Match；It maps via light-path data cell layer, is finally carried by stripe centure again, complete MPLS-TP layers to OTN layers of adaptation；
The service bearer mode of Ethernet and OTN is configured that
Ethernet service maps directly in light-path data cell layer, is then carried by stripe centure, completes Ethernet
To OTN layers of adaptation.
In the above-mentioned methods, the MPLS-TP layers of mapping to light-path data cell layer, by being grouped inside the equipment of PTN
Interface PVE configuration is associated, the equipment internal interface PVE that Packet Service is used and OTN light-path data cell layer when
Gap is associated one by one；
In the above-mentioned methods, for the configuration of the service bearer mode of MPLS-TP and OTN, it is arranged on network management different
Layered configuration entrance is divided into five levels from top to bottom and is configured, and is successively light-path Ceng ﹑ light-path data cell Ceng ﹑ tunnel
Dao Ceng ﹑ pseudo-wire layer, two layers of client traffic layer.
In the above-mentioned methods, for the configuration of the service bearer mode of MPLS-TP and OTN, light-path Ceng ﹑ light-path data
The tunnel unit Ceng ﹑ Ceng ﹑ pseudo-wire layer, two layers of client traffic layer configuration between there are following constraint conditions:
When business is established, according to service layer to client's layer model direction, it is desirable that between adjacent level, it is necessary to which upper-layer configured is complete
At lower layer can just open and be configured；Otherwise, lower layer's configuration is not can be carried out；
When business is deleted, it is desirable that between adjacent level, first delete the configuration of lower layer, then could delete upper-layer configured.
In the above-mentioned methods, for Ethernet and OTN service bearer mode configuration, different points are arranged on network management
Layer matches posting port, is divided into three levels from top to bottom and is configured, is successively bis- layers of ﹑ of light-path data cell layer of light-path layer ﹑
Client traffic layer.
In the above-mentioned methods, for Ethernet and OTN service bearer mode configuration, stripe centure, light-path data
Elementary layer, two layers of client traffic layer configuration between there are following constraint conditions:
When business is established, according to service layer to client's layer model direction, it is desirable that between adjacent level, it is necessary to which upper-layer configured is complete
At lower layer can just open and be configured；Otherwise, lower layer's configuration is not can be carried out；
When business is deleted, it is desirable that between adjacent level, first delete the configuration of lower layer, upper-layer configured could be deleted.
In the above-mentioned methods, carry out MPLS-TP and OTN service bearer mode configuration specifically includes the following steps:
Step S11, stripe centure connection is established for identical port type in adjacent equipment room, building light-path is logical
Road；
Step S12, connect in the light-path data cell layer that the source equipment of business and egress equipment room establish specific rank
It connects, constructs the channel ODUk, and Choose for user path and Time Slot Occupancy situation, the light established in service layer's circuit selection step S11
Passage channel；
Step S13, PVE interface is established on the channel ODUk that step S12 is established, the channel ODUk with being grouped PTN device
Internal PVE interface carries out one-to-one association；
Step S14, it is connected in the source equipment of business with the tunnel layer that egress equipment establishes Packet Service, before the selection of port
The PVE interface that face is established, the channel ODUk that service layer's circuit selection front is established；
Step S15, it is connected in the source equipment of business with the pseudo-wire layer that egress equipment establishes Packet Service, service layer's circuit
The tunnel of connection is established in selection front；
Step S16, it is established respectively in service layer's circuit selection use front in the source equipment of business and egress equipment
The connection of pseudo-wire layer, the access interface as client traffic.
In the above-mentioned methods, carry out the configuration of the service bearer mode of Ethernet and OTN specifically includes the following steps:
Step S21, stripe centure connection is established for identical port type in adjacent equipment room, building light-path is logical
Road；
Step S22, connect in the light-path data cell layer that the source equipment of business and egress equipment room establish specific rank
It connects, constructs the channel ODUk, and Choose for user path and Time Slot Occupancy situation, the light established in service layer's circuit selection step S21
Access；
Step S23, it for configuration packet business, needs to establish PVE interface on the channel ODUk that step S22 is established,
The channel ODUk carries out one-to-one association with PVE interface inside grouping PTN device；
Step S24, it is established respectively in service layer's circuit selection use front in the source equipment of business and egress equipment
The channel ODUk with PVE interface, the access interface as client traffic.
In the above-mentioned methods, in step S13 or step S23, the channel ODUk contains used OTN time slot
Information, the PVE interface contain the information of used PTN interface, and the interface of the time slot and PTN that make OTN is on configuration layer
Docking.
In the above-mentioned methods, the light-path data cell of specific rank is established in the source equipment of business and egress equipment room
Layer connection includes ODU0, ODU1, ODU2, ODU3 or ODU4 business-level.
The present invention realizes the label movement and forwarding of MPLS-TP, completes Ethernet service to MPLS-TP, then holding to OTN
It carries, and realizes the label movement of VLAN, complete Ethernet service and directly arrive the carrying of OTN, and ensure that business configuration can
Normally to establish, delete and carry step by step.
Detailed description of the invention
Fig. 1 is that a kind of method of the Packet Service configuration of POTN equipment provided by the invention realizes block diagram；
Fig. 2 is the flow chart figure that the configuration of service bearer mode of MPLS-TP and OTN is carried out in the present invention；
Fig. 3 is the flow chart that the configuration of Ethernet and the service bearer mode of OTN is carried out in the present invention.
Specific embodiment
The present invention realizes the label movement and forwarding of MPLS-TP, completes Ethernet service to MPLS-TP, then holding to OTN
Carry, and realize the label movement of VLAN, complete Ethernet service and directly arrive the carrying of OTN, with reference to the accompanying drawings of the specification and
Specific embodiment is described in detail the present invention.
As shown in Figure 1, the method that a kind of Packet Service of POTN equipment provided by the invention configures, comprising:
(Ethernet service carries the service bearer mode of MPLS-TP and OTN via MPLS-TP layers, is finally carried to OTN
On layer) be configured that Ethernet service is encapsulated via PW pseudo-wire layer and lsp tunnel layer, complete Ethernet service to MPLS-TP layers
Adaptation；It maps via light-path data cell (ODUk) layer, is finally carried by OCH layers again, complete MPLS-TP layers to OTN layers
Adaptation；Wherein, by the MPLS-TP layers of mapping to light-path data cell layer, by the equipment internal interface PVE for being grouped PTN
Configuration is associated, the time slot of the equipment internal interface PVE that Packet Service is used and OTN light-path data cell layer one by one into
Row association；
The service bearer mode (Ethernet service is directly carried to OTN layers) of Ethernet (ETH) and OTN be configured that with
Too network service maps directly in light-path data cell layer, is then carried by OCH layers, completes ETH to OTN layers of adaptation.
In the present invention, for the configuration of the service bearer mode of MPLS-TP and OTN, different points is set on network management
Layer matches posting port, is divided into five levels from top to bottom and is configured, is successively light-path (OCH) layer ﹑ light-path data cell
(the ODUk tunnel) Ceng ﹑ (LSP) Ceng ﹑ pseudo-wire (bis- layers of client traffic (L2VPN) layer of PW) Ceng ﹑；Light-path Ceng ﹑ light-path data cell
There are dependences between the tunnel Ceng ﹑ Ceng ﹑ pseudo-wire layer, two layers of client traffic layer configuration, during business is established and is deleted
It needs to be issued to corresponding service module according to the dependence sequence of business.
Constraint condition when business is established, between five layers of configuration are as follows: according to service layer to client's layer model direction, it is desirable that phase
Between adjacent bed time, it is necessary to which upper-layer configured is completed, and lower layer can just open and be configured；Otherwise, lower layer not can be carried out configuration.
Constraint condition when business is deleted, between five layers of configuration are as follows: it is required that the configuration of lower layer is first deleted between adjacent level,
Then upper-layer configured could be deleted.
Above-mentioned configuration constraint primarily directed to MPLS-TP and OTN service bearer mode, for the industry of Ethernet and OTN
Business bearing mode, tunnel (LSP) layer and pseudo-wire (PW) layer configured due to the demand of label forwarding path are not needed to configure, that is, existed
Different layered configuration entrances is set on network management, is divided into three levels from top to bottom and is configured, is successively light-path (OCH)
Ceng ﹑ light-path data cell (bis- layers of client traffic (L2VPN) layer of ODUk) Ceng ﹑；When business is established and is deleted, stripe centure,
The phase of constraint condition and the service bearer mode of MPLS-TP and OTN between light-path data cell layer, two layers of client traffic layer
Together, specifically:
Constraint condition when business is established, between three layers of configuration are as follows: (i.e. light is logical according to service layer to client's layer model direction
Road floor is service layer, and light-path data cell layer is client layer；Correspondingly, light-path data cell layer is service layer, two layers of visitor
Family operation layer is client layer), it is desirable that between adjacent level, it is necessary to which upper-layer configured is completed, and lower layer can just open and be configured；It is no
Then, configuration not can be carried out.
Constraint condition when business is deleted, between three layers of configuration are as follows: it is required that the configuration of lower layer is first deleted between adjacent level,
Then upper-layer configured could be deleted.
As shown in Fig. 2, the configuration of the service bearer mode of MPLS-TP and OTN is carried out, specifically includes the following steps:
Step S11, light-path is established for identical port type (10GE, 40GE or 100GE) in adjacent equipment room
(OCH) layer connects.
Step S12, specific rank (ODU0, ODU1, ODU2, ODU3 are established in the source equipment of business and egress equipment room
Or the business-levels such as ODU4) light-path data cell (ODUk) layer connection, i.e. the channel ODUk, and Choose for user path and time slot
Occupancy situation, service layer's circuit select the channel OCH established in step S11.
Step S13, it for configuration packet business, needs to establish PVE interface on the channel ODUk that step S12 is established,
The channel ODUk carries out one-to-one association with PVE interface inside grouping PTN device.Wherein, used in the channel ODUk contains
The information of OTN time slot, PVE interface contains the information of used PTN interface, so as to form the time slot of OTN and connecing for PTN
Mouthful, " docking " on configuration layer.It should be noted that all Packet Services, it is necessary to establish on PVE interface.
Step S14, it is connected in the source equipment of business with tunnel (LSP) layer that egress equipment establishes Packet Service, port
The PVE interface that selection front is established, the channel ODUk that service layer's circuit selection front is established.
Step S15, it is connected in the source equipment of business with pseudo-wire (PW) layer that egress equipment establishes Packet Service, service layer
The LSP layer connection that circuit selection front is established.
Step S16, it is established respectively in service layer's circuit selection use front in the source equipment of business and egress equipment
PW layers of connection, the access interface as client traffic.
As shown in figure 3, the configuration of the service bearer mode of Ethernet (ETH) and OTN is carried out, specifically includes the following steps:
Step S21, light-path is established for identical port type (10GE, 40GE or 100GE) in adjacent equipment room
(OCH) layer connects.
Step S22, specific rank (ODU0, ODU1, ODU2, ODU3 are established in the source equipment of business and egress equipment room
Or the business-levels such as ODU4) light-path data cell (ODUk) layer connection, i.e. the channel ODUk, and Choose for user path and time slot
Occupancy situation, service layer's circuit select the channel OCH established in step S21.
Step S23, it for configuration packet business, needs to establish PVE interface on the channel ODUk that step S22 is established,
The channel ODUk carries out one-to-one association with PVE interface inside grouping PTN device, wherein used in the channel ODUk contains
The information of OTN time slot, PVE interface contain the information of used PTN interface；It should be noted that all Packet Services, it must
It must establish on PVE interface.
Step S24, it is established respectively in service layer's circuit selection use front in the source equipment of business and egress equipment
The channel ODUk with PVE interface, the access interface as client traffic.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. the method that a kind of Packet Service of POTN equipment configures characterized by comprising
The service bearer mode of MPLS-TP and OTN is configured that
Ethernet service is encapsulated via PW pseudo-wire layer and lsp tunnel layer, completes Ethernet service to MPLS-TP layers of adaptation；Again
It maps via light-path data cell layer, is finally carried by stripe centure, complete MPLS-TP layers to OTN layers of adaptation；
The service bearer mode of Ethernet and OTN is configured that
Ethernet service maps directly in light-path data cell layer, is then carried by stripe centure, completes Ethernet to OTN
The adaptation of layer.
2. a kind of method of the Packet Service configuration of POTN equipment as described in claim 1, which is characterized in that MPLS-TP layers
To the mapping of light-path data cell layer, the equipment internal interface PVE configuration by being grouped PTN is associated, by Packet Service
The time slot of the equipment internal interface PVE and OTN light-path data cell layer used is associated one by one.
3. a kind of method of the Packet Service configuration of POTN equipment as claimed in claim 2, which is characterized in that for MPLS-
Different layered configuration entrances is arranged in the configuration of the service bearer mode of TP and OTN on network management, is divided into five layers from top to bottom
It is secondary to be configured, it is successively the tunnel light-path Ceng ﹑ light-path data cell Ceng ﹑ Ceng ﹑ pseudo-wire layer, two layers of client traffic layer.
4. a kind of method of the Packet Service configuration of POTN equipment as claimed in claim 3, which is characterized in that for MPLS-
The configuration of the service bearer mode of TP and OTN, the tunnel light-path Ceng ﹑ light-path data cell Ceng ﹑ Ceng ﹑ pseudo-wire layer, two layers of client
There are following constraint conditions between the configuration of operation layer:
When business is established, according to service layer to client's layer model direction, it is desirable that between adjacent level, it is necessary to upper-layer configured is completed,
Lower layer can just open and be configured；Otherwise, lower layer's configuration is not can be carried out；
When business is deleted, it is desirable that between adjacent level, first delete the configuration of lower layer, then could delete upper-layer configured.
5. a kind of method of the Packet Service configuration of POTN equipment as claimed in claim 2, which is characterized in that for Ethernet
With the configuration of the service bearer mode of OTN, different layered configuration entrances is set on network management, is divided into three levels from top to bottom
It is configured, is successively light-path Ceng ﹑ light-path data cell Ceng bis- layers of client traffic layer of ﹑.
6. a kind of method of the Packet Service configuration of POTN equipment as claimed in claim 5, which is characterized in that for Ethernet
With the configuration of the service bearer mode of OTN, between the configuration of light-path Ceng ﹑ light-path data cell Ceng bis- layers of client traffic layer of ﹑
There are following constraint conditions:
When business is established, it is desirable that between adjacent level, it is necessary to which upper-layer configured is completed, and lower layer can just open and be configured；Otherwise,
Lower layer's configuration is not can be carried out；
When business is deleted, it is desirable that between adjacent level, first delete the configuration of lower layer, upper-layer configured could be deleted.
7. a kind of method of the Packet Service configuration of POTN equipment as claimed in claim 4, which is characterized in that carry out MPLS-
The configuration of the service bearer mode of TP and OTN specifically includes the following steps:
Step S11, stripe centure connection is established for identical port type in adjacent equipment room, constructs light-path channel；
Step S12, it is connected in the source equipment of business with the light-path data cell layer that egress equipment room establishes specific rank, structure
The channel ODUk, and Choose for user path and Time Slot Occupancy situation are built, the light-path established in service layer's circuit selection step S11 is logical
Road；
Step S13, PVE interface is established on the channel ODUk that step S12 is established, the channel ODUk with being grouped inside PTN device
PVE interface carries out one-to-one association；
Step S14, it is connected in the source equipment of business with the tunnel layer that egress equipment establishes Packet Service, port selection front is built
Vertical PVE interface, the channel ODUk that service layer's circuit selection front is established；
Step S15, it is connected in the source equipment of business with the pseudo-wire layer that egress equipment establishes Packet Service, the selection of service layer's circuit
The tunnel of connection is established in front；
Step S16, the pseudo-wire established respectively in service layer's circuit selection use front in the source equipment of business and egress equipment
Layer connection, the access interface as client traffic.
8. a kind of method of the Packet Service configuration of POTN equipment as claimed in claim 6, which is characterized in that carry out Ethernet
Configuration with the service bearer mode of OTN specifically includes the following steps:
Step S21, stripe centure connection is established for identical port type in adjacent equipment room, constructs light-path channel；
Step S22, it is connected in the source equipment of business with the light-path data cell layer that egress equipment room establishes specific rank, structure
Build the channel ODUk, and Choose for user path and Time Slot Occupancy situation, the light-path established in service layer's circuit selection step S21；
Step S23, it for configuration packet business, needs to establish PVE interface on the channel ODUk that step S22 is established, ODUk
Channel carries out one-to-one association with PVE interface inside grouping PTN device；
Step S24, it is had respectively what service layer's circuit selection use front was established in the source equipment of business and egress equipment
The channel ODUk of PVE interface, the access interface as client traffic.
9. the method for the Packet Service configuration of a kind of POTN equipment as claimed in claim 7 or 8, which is characterized in that in step
In S13 or step S23, the channel ODUk contains the information of used OTN time slot, and the PVE interface, which contains, to be made
The interface of the information of PTN interface, the time slot and PTN that make OTN docks on configuration layer.
10. the method for the Packet Service configuration of a kind of POTN equipment as claimed in claim 7 or 8, which is characterized in that in business
Source equipment connected with the light-path data cell layer that egress equipment room establishes specific rank including ODU0, ODU1, ODU2,
ODU3 or ODU4 business-level.
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| CN110995563A (en) * | 2019-12-23 | 2020-04-10 | 安徽皖通邮电股份有限公司 | Method for transmitting OTN message by using packet network |
| CN111083580A (en) * | 2019-12-09 | 2020-04-28 | 北京格林威尔科技发展有限公司 | Method and device for protecting Ethernet link in optical transmission network |
| CN111464341A (en) * | 2020-03-19 | 2020-07-28 | 烽火通信科技股份有限公司 | Overlay service configuration method and device |
| CN112260793A (en) * | 2020-10-21 | 2021-01-22 | 国网福建省电力有限公司 | Power equipment based on OTN technology application |
| CN113300928A (en) * | 2020-02-21 | 2021-08-24 | 华为技术有限公司 | Method, equipment and system for transmitting service message |
| WO2023231429A1 (en) * | 2022-05-31 | 2023-12-07 | 中兴通讯股份有限公司 | Data transmission method, source end device, sink end device and storage medium |
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| CN113300928A (en) * | 2020-02-21 | 2021-08-24 | 华为技术有限公司 | Method, equipment and system for transmitting service message |
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| CN111464341B (en) * | 2020-03-19 | 2022-11-18 | 烽火通信科技股份有限公司 | Overlay service configuration method and device |
| CN112260793A (en) * | 2020-10-21 | 2021-01-22 | 国网福建省电力有限公司 | Power equipment based on OTN technology application |
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