CN112153494A - Service management architecture model and maintenance management method of POTN (packet optical transport network) equipment - Google Patents
Service management architecture model and maintenance management method of POTN (packet optical transport network) equipment Download PDFInfo
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- CN112153494A CN112153494A CN201910570499.2A CN201910570499A CN112153494A CN 112153494 A CN112153494 A CN 112153494A CN 201910570499 A CN201910570499 A CN 201910570499A CN 112153494 A CN112153494 A CN 112153494A
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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
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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]
- H04J3/1658—Optical Transport Network [OTN] carrying packets or ATM cells
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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]
- H04J3/1664—Optical Transport Network [OTN] carrying hybrid payloads, e.g. different types of packets or carrying frames and packets in the paylaod
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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]
- H04J3/167—Optical Transport Network [OTN] interaction with SDH/SONET, e.g. carrying SDH/SONET frames, interfacing with SDH/SONET
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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
- H04Q2011/0079—Operation or maintenance aspects
Abstract
The invention discloses a service management architecture model and a maintenance management method of POTN (packet optical transport network) equipment, which relate to the technical field of OTN (optical transport network), and comprise an optical layer configuration module, a service port module, an ODUkMAP module and an ODUk _ XC module; the optical layer configuration module is used for providing OAM functions of an optical module, and comprises user threshold configuration, wavelength configuration and a modulation mode of optical power; the service port module is used for providing service functions for the configuration of the service interface, including the service type and the mapping mode of the configuration service interface, whether the configuration is configured for a user and the corresponding relation between the configuration service interface and the optical interface; the ODUkMAP module is used for describing a service mapping relation and providing related service parameters; and the ODUk _ XC module is used for describing an ODUk cross relationship. The service and operation maintenance management method of the POTN equipment can meet the requirement on an open source model and has certain expansibility and compatibility.
Description
Technical Field
The invention relates to the technical field of OTN, in particular to a business management architecture model and a maintenance management method of POTN equipment.
Background
As mobile services enter the 4G and 5G era, a large amount of information data needs to be transmitted every day. Existing information transmission modes SDH (Synchronous Digital Hierarchy), WDM (Wavelength Division Multiplexing), OTN (Optical Transport Network), PTN (Packet Transport Network) are all single data transmission modes, and cannot simultaneously meet all-service transmission requirements of high-speed TDM (Time Division Multiplexing) private line and Packet switching
The POTN (Packet Optical Transport Network) integrates OTN and Packet Switching technology, fully supports SONET (Synchronous Optical Network)/SDH (Synchronous Optical Network), supports ASON (automatic Switched Optical Network)/GMPLS (Generalized Multiprotocol Label Switching) control plane, and has WDM transmission function and wavelength level crossing function in the core/backbone Network.
Under a new device form and an application scene (such as 5G), an open source model and an external controller are required to be connected urgently, and thinking angles of different manufacturers and different open source organizations on a service model are inconsistent and the operation is not completely the same. In an OTN OAM (Operation Administration and Maintenance) optimization scheme specified by the existing protocol, because of the function limitation of the protocol, an interface, mapping and ODUk can only be described in one protocol, and the OAM implementation mode is very complex; meanwhile, the existing OAM scheme is difficult to realize the device expansion aiming at the external controller after 5G and the service function expansion such as ADM support.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a service and operation maintenance management method for POTN equipment, which can meet the requirement on an open source model, avoid the problem of complex management mode caused by the fact that interfaces, mapping and ODUk are described in one protocol in the prior art, and improve the expansibility and compatibility of service management.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a traffic management architecture model for a POTN device, comprising:
an optical layer configuration module, a service port module, an ODUkMAP module and an ODUk _ XC module; wherein the content of the first and second substances,
the optical layer configuration module is used for providing an OAM function for the optical module, and the OAM function comprises user threshold configuration, wavelength configuration and a modulation mode of optical power;
the service port module is used for providing service functions for the configuration of the service interface, and the service functions comprise the service type of the configuration service interface, the mapping mode, whether the configuration is user configuration and the corresponding relation between the service interface and the optical interface;
the ODUkMAP module is used for describing a service mapping relation and providing related service parameters;
and the ODUk _ XC module is used for describing an ODUk cross relationship.
On the basis of the technical scheme, the system also comprises a synchronous digital hierarchy module depending on a service port module, and the synchronous digital hierarchy module is used for providing OAM functions including J0 byte configuration, error code threshold configuration, out-of-limit second configuration and automatic laser turn-off for a service interface of the SDH when the service is the SDH service.
On the basis of the technical scheme, the ODUkMAP module provides service parameters including an ODUk hierarchy, a TPN number, a timeslot mode, an occupied timeslot, an ODUFLEX service type, and a last node ID in order from a high order to a low order.
On the basis of the technical scheme, the system also comprises an ENET module depending on the service port module, and when the service is an ENET type service, OAM functions including auto-negotiation configuration, Ethernet bidirectional disconnection configuration, GFP (generic framing procedure), out-of-limit second configuration and automatic laser shutoff are provided for a service interface of the ENET.
On the basis of the technical scheme, the OTUk system also comprises an OTUk module depending on a service port module, and when the service is an OTUk type service, OAM functions including FEC configuration, SM layer overhead configuration, TTI configuration, SM layer GCC0 configuration, protection configuration and automatic laser shutoff are provided for a service interface of the OTU.
The invention also provides a service and operation maintenance management method based on the service management architecture model of the POTN equipment, which comprises the following steps:
establishing a service management architecture model according to a POTN equipment service application scene; configuring the function definition of each module in a service management architecture model according to the OTN and PTN communication protocols, establishing a first interaction relation and an interaction constraint between functional modules, and generating a service flow diagram under the service application scene; screening a module needing OAM function, and setting a second interactive relation of the functional module needing operation, maintenance and management, which is independent of the service model; and configuring the processing position and the receiving and sending direction of the functional module needing operation, maintenance and management according to the second interaction relation, thereby realizing the monitoring and OAM of the service.
On the basis of the technical scheme, in the process of monitoring the service and OAM, when a branch side is accessed to a non-OTUK service, the quality of the service received from the line direction is monitored, and the configuration overhead is sent to the line direction; when the branch side accesses the OTUk service, the service quality received from the branch direction and the line direction is monitored, and the configuration overhead can be sent to the branch side direction and the line side direction.
On the basis of the above technical solution, when the branch side accesses the OTUk service, the method further includes:
when monitoring the side of the backplane of the circuit board, monitoring LOF/AIS alarm by default, and transmitting the overhead sent to the backplane without configuration; and taking the ODUK configuration marked as the frame/slot as the overhead configuration sent to the line side direction.
On the basis of the above technical solution, when the service is P + O or S + O, the step of establishing the first interaction relationship and the interaction constraint between the functional modules, and generating the service flow diagram in the service application scenario further includes:
describing the service type of the OTN channel by using a service port module, and describing the ODUk channel by using ODUkMAP; binding a packet or an emulated virtual interface to the ODUkMAP.
On the basis of the technical scheme, in a branch line roadside integrated board card scene, the step of establishing a first interaction relationship and interaction constraint between the functional modules and generating a service flow diagram in the service application scene further comprises the following steps:
the service interface at the side of the branch line is described by a service port module, and the service interface at the side of the line is described by another service port module; respectively describing mapping and multiplexing relations of a branch road side and a line side by using two ODUkMAP modules; and establishing connection between the two sets of ODUkMAP through the ODUk _ XC module.
Compared with the prior art, the invention has the advantages that:
(1) the service and operation maintenance management method of the POTN equipment can realize the control of the butt joint controller of the OTN equipment and new equipment including 5G equipment, various Linecard/Transponder/Muxponder board cards are described by using a unified model, the service, OAM and protection functions are clear and independent, the problems that the interface, mapping and ODUk are described in one protocol and the management mode is complex in the prior art are solved, the convenience and reliability of service management are improved, and the management function of the OTN service can be optimized.
(2) The service and operation maintenance management method of POTN equipment of the invention can expand and support the service functions of ADM and the like, and can be applied to all equipment with optical transmission function or grouping optical transmission function; the method is particularly suitable for the equipment expansion of the external controller after 5G, and has a wide application prospect.
(3) The service and operation maintenance management method of the POTN equipment can meet the requirements on an open source model and the coverage range of a service scene; the OAM scheme of the corresponding POTN equipment is set to be more suitable for the actual structure setting of the board card, various kinds of management information are distinguished in the management method, the full data does not need to be downloaded every time, and convenience is brought to service management.
Drawings
Fig. 1 is a schematic structural diagram of a service model in an embodiment of the present invention.
FIG. 2 is a flowchart of a common service management method in various service scenarios according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a processing flow of service monitoring and OAM when a branch road side accesses a non-OTUk service in the embodiment of the present invention;
fig. 4 is a schematic processing flow diagram of service monitoring and OAM when the branch road side accesses the OTUk service in the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The embodiment of the invention provides a business management architecture model of POTN equipment, which comprises the following steps:
an optical layer configuration module, a service port module, an ODUkMAP module and an ODUk _ XC module; the optical layer configuration module is used for providing an OAM function of an optical module, and comprises a user threshold configuration, a wavelength configuration and a modulation mode of optical power; the service port module is used for providing service functions for the configuration of the service interface, including the service type and the mapping mode of the configuration service interface, whether the configuration is configured for a user and the corresponding relation between the configuration service interface and the optical interface; the ODUkMAP module is configured to describe a service mapping relationship and provide related service parameters, and specifically, the ODUkMAP module may provide service parameters including an ODUk hierarchy, a TPN number, a timeslot mode, an occupied timeslot, an ODUFLEX service type, and a last node ID in an order from a high order to a low order. And the ODUk _ XC module is used for describing an ODUk cross relationship.
In one embodiment, the service management architecture model of the POTN device further includes a service port module-dependent synchronous digital hierarchy module for providing OAM functions including configuration of J0 bytes, error code threshold configuration, off-limit seconds configuration and automatic laser turn-off for the SDH interface when the traffic is SDH class traffic.
In one embodiment, the system further comprises an ENET module depending on the service port module, and when the service is an ENET type service, the ENET interface is provided with OAM functions including auto-negotiation configuration, Ethernet bidirectional disconnection configuration, GFP, out-of-limit second configuration and automatic laser turn-off. For services such as CPRI, video service, FC, etc., generally only service type configuration can be included in the ENET component for processing.
In one embodiment, the system further comprises an OTUk module depending on the service port module, and when the traffic is OTUk-type traffic, the OTU interface is provided with OAM functions including FEC configuration, SM layer overhead configuration, TTI configuration, SM layer GCC0 configuration, protection configuration, and automatic laser turn-off.
In an embodiment, the system further includes an ODUK _ OAM module depending on the odukmp module, and when the service particle is an ODUK class, the ODU OAM module provides an OAM function for the ODU interface, including functions of maintaining signal configuration, GCC configuration, ODU protection configuration, ODU overhead configuration (error threshold, subsequent response condition), delay configuration, TTI configuration, and the like. Optionally, a protection (protection) module depending on the ODUk _ OAM module may be further provided to describe the protection relationship and the protection condition between the modules.
In actual requirements, related components depending on the ODUkMAP module may be set according to specific functional requirements and working states, for example, when an SVE interface exists, an SVE _ BIND _ ODUk module for describing an association relationship between the SVE interface and the ODUk or a PVE _ BIND _ ODUk module for describing an association relationship between the PVE interface and the ODUk may be set; or when the ODUk cross relationship needs to be described, the ODUk _ XC module is set, and the intra-disk/extra-disk cross relationship of the POTN device is described.
Fig. 1 shows a specific embodiment of a service management architecture model of a POTN device, where the service management architecture model includes the following functional modules:
the functional module 101 is an optical layer configuration module (OPTICS), and when the architecture is established, various optical layer attributes are firstly classified into the OPTICS, so as to provide an OAM function of the optical module, including user threshold configuration, wavelength configuration, a modulation mode, and the like of optical power.
The function module 102 is a service port module, which provides service functions for configuration of service interfaces, including service types, mapping manners, whether to configure for users, and correspondence with optical interfaces.
An SDH module 103(Synchronous Digital Hierarchy module) that depends on the service port module 102, an ENET module 104, and an OTUk module 105. The synchronous digital hierarchy module 103 provides an OAM function for an SDH interface, and is only effective when the service is an SDH-like service, and includes configuration of J0 bytes, error code threshold configuration, out-of-limit second configuration, automatic laser turn-off, and the like; the ENET module 104 provides OAM function for the ENET interface, and is only effective when the service is ENET type service, including auto-negotiation configuration, Ethernet bidirectional disconnection configuration, GFP, out-of-limit second configuration, automatic laser turn-off, and the like; for CPRI, video service and FC service, generally only the service type is configured, and the service type can be classified into an ENET component; the OTUk module 105 provides OAM functions for the OTU interface, and is only effective when the service is an OTUk-like service, including FEC configuration, SM layer overhead configuration, TTI configuration, SM layer GCC0 configuration, protection configuration, automatic laser turn-off, and the like.
The system further includes an ODUkMAP module 106, which is set depending on the service port module 102, and is configured to describe a service mapping relationship, and includes an ODUk hierarchy, a TPN number, a timeslot mode, an occupied timeslot, an ODUFLEX service type, and an ID of a last node, and at the same time, the ODUkMAP module is used as an ID of the ODUkMAP; the order from high order to low order is used for description, and the multiplexing relationship of high order and low order can be clearly seen.
Further, the system includes an ODUk _ OAM module 107 depending on the ODUkMAP module 106, which provides an OAM function for the ODU interface, and is only effective when the service particle is an ODUk class, and includes a maintenance signal configuration, a GCC configuration, an ODU protection configuration, an ODU overhead configuration (an error threshold, a subsequent response condition), a delay configuration, a TTI configuration, and the like. To add a description relationship function, a port (protection function description) module 108, which depends on the ODUk _ OAM module 107, may be provided to describe the protection relationship and the protection condition.
In order to further add the identification and association functions of the SVE interface, an SVE _ BIND _ ODUk module 109 and a PVE _ BIND _ ODUk module 110 depending on the ODUkMAP module 106 may be set, where the SVE _ BIND _ ODUk module 109 is used to describe the association relationship between the SVE interface and the ODUk, and is valid only when the SVE interface exists; and the PVE _ BIND _ ODUk module is used for describing the association relationship between the PVE interface and the ODUk.
The functional module 111 is an ODUk _ XC module, and is used to describe an ODUk cross relationship, and for the ODUk _ XC, both the intra-disk/extra-disk cross are described by using the component.
The invention also provides a service and operation maintenance management method based on the service management architecture model of the POTN equipment, which comprises the following steps:
establishing a service management architecture model according to a POTN equipment service application scene; configuring the function definition of each functional module in a service management architecture model according to the OTN and PTN communication protocols, establishing a first interactive relationship and interactive constraint between the functional modules, and generating a service flow diagram under the service application scene, wherein the first interactive relationship is an interactive relationship which is interactively configured according to the existing OTN and PTN communication protocols;
then, screening a functional module needing operation, maintenance and management, and setting a second interactive relation of the functional module needing operation, maintenance and management, which is independent of the service model, wherein the second interactive relation only comprises service interaction and mapping relation which is relevant to realizing service flow direction monitoring and OAM function; and configuring the processing position and the receiving and sending direction of the functional module needing operation, maintenance and management according to the second interaction relation, thereby realizing the monitoring and OAM of the service.
Fig. 2 shows a flow of a common service management method in various service scenarios in the embodiment of the present invention. When the service is P + O or S + O, that is, the service is a mixed service of PTN and OTN, or a mixed service of SDH and OTN, the step of establishing a first interaction relationship and an interaction constraint between the functional modules, and generating a service flow diagram in the service application scenario further includes: describing the service type of the OTN channel by using a service port module 102, and describing the ODUk channel by using an ODUkMAP module; and binding a packet or an emulated virtual interface to the ODUkMAP module.
In a branch-line integrated board scene, namely a scene that a branch line side and a line side are merged in the same board for service interaction, establishing a first interaction relationship and interaction constraint between functional modules, and generating a service flow diagram in the service application scene further comprises the following steps:
the service interface at the side of the branch line is described by a service port module, and the service interface at the side of the line is described by another service port module; respectively describing mapping and multiplexing relations of a branch side and a line side by using two ODUkMAP; and establishing connection between the two sets of ODUkMAP through the ODUk _ XC. Compared with the traditional branch-line-in-one service management mode which generally adopts an additional model or a mode of starting special standby bytes, the scheme of the invention completely equates the branch-line-in-one service path to the cross-disk intersection of branches and lines, thereby bringing convenience to service management; and in the process of initially establishing the service channel, the unique functional module can be connected without knowing the service source.
Due to the fact that scenes such as pre-configuration, sectional configuration and the like are configured in the process, a unique component can be directly connected under the condition that complete service information is not needed, and the same component in the architecture model only has a unique object under different scenes.
As shown in fig. 3 and fig. 4, in the process of monitoring and OAM of a service according to the present invention, when a non-OTUk service is connected to a branch side, the quality of the service received from the line direction is monitored, and the configuration overhead is sent to the line direction; when the branch side accesses the OTUk service, the service quality received from the branch direction and the line direction is monitored, and the configuration overhead can be sent to the branch direction and the line direction.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A traffic management architecture model for a POTN device, comprising:
an optical layer configuration module, a service port module, an ODUkMAP module and an ODUk _ XC module; wherein the content of the first and second substances,
the optical layer configuration module is used for providing an OAM function for the optical module, and the OAM function comprises user threshold configuration, wavelength configuration and a modulation mode of optical power;
the service port module is used for providing service functions for the configuration of the service interface, and the service functions comprise the service type of the configuration service interface, the mapping mode, whether the configuration is user configuration and the corresponding relation between the service interface and the optical interface;
the ODUkMAP module is used for describing a service mapping relation and providing related service parameters;
and the ODUk _ XC module is used for describing an ODUk cross relationship.
2. The business management architecture model of claim 1, wherein: the system also comprises a synchronous digital hierarchy module depending on the service port module, which is used for providing OAM functions comprising J0 byte configuration, error code threshold configuration, out-of-limit second configuration and automatic laser shutoff for the service interface of the SDH when the service is SDH class service.
3. The business management architecture model of claim 1, wherein: the ODUkMAP module provides service parameters including an ODUk hierarchy, a TPN number, a slot mode, an occupied slot, an ODUFLEX service type, and a last node ID in order from a high order to a low order.
4. The business management architecture model of claim 1, wherein: the system also comprises an ENET module depending on the service port module, and when the service is an ENET type service, OAM functions comprising auto-negotiation configuration, Ethernet bidirectional disconnection configuration, GFP, out-of-limit second configuration and automatic laser shutoff are provided for a service interface of the ENET.
5. The business management architecture model of claim 1, wherein: the OTUk system also comprises an OTUk module depending on the service port module, and when the service is OTUk type service, OAM functions comprising FEC configuration, SM layer overhead configuration, TTI configuration, SM layer GCC0 configuration, protection configuration and automatic laser shutoff are provided for the service interface of the OTU.
6. A service and operation maintenance management method based on the service management architecture model of the POTN device of claim 1, comprising:
establishing a service management architecture model according to a POTN equipment service application scene;
configuring the function definition of each module in a service management architecture model according to the OTN and PTN communication protocols, establishing a first interaction relation and an interaction constraint between functional modules, and generating a service flow diagram under the service application scene;
screening a module needing OAM function, and setting a second interactive relation of the functional module needing operation, maintenance and management, which is independent of the service model;
and configuring the processing position and the receiving and sending direction of the functional module needing operation, maintenance and management according to the second interaction relation, thereby realizing the monitoring and OAM of the service.
7. The service and operation maintenance management method according to claim 6, wherein:
in the process of monitoring the service and OAM, when a branch side accesses a non-OTUK service, the quality of the service received from the line direction is monitored, and the configuration overhead is sent to the line direction; when the branch side accesses the OTUk service, the service quality received from the branch direction and the line direction is monitored, and the configuration overhead can be sent to the branch side direction and the line side direction.
8. The traffic and operation maintenance management method according to claim 7, wherein when the tributary side accesses OTUk traffic, further comprising:
when monitoring the side of the backplane of the circuit board, monitoring LOF/AIS alarm by default, and transmitting the overhead sent to the backplane without configuration;
and taking the ODUK configuration marked as the frame/slot as the overhead configuration sent to the line side direction.
9. The service and operation maintenance management method according to claim 6, wherein when the service is P + O or S + O, the step of establishing the first interaction relationship and the interaction constraint between the functional modules, and generating the service flow graph in the service application scenario further comprises:
describing the service type of the OTN channel by using a service port module, and describing the ODUk channel by using ODUkMAP;
binding a packet or an emulated virtual interface to the ODUkMAP.
10. The business and operation maintenance management method according to claim 6, wherein in a branch-side line-side integrated board scenario, the step of establishing a first interaction relationship and an interaction constraint between the functional modules and generating a business flow diagram in the business application scenario further comprises:
the service interface at the side of the branch line is described by a service port module, and the service interface at the side of the line is described by another service port module;
respectively describing mapping and multiplexing relations of a branch road side and a line side by using two ODUkMAP modules;
and establishing connection between the two sets of ODUkMAP through the ODUk _ XC module.
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| CN112636826B (en) * | 2021-03-15 | 2021-06-08 | 深圳市迅特通信技术股份有限公司 | Optical module testing system with OAM function and testing method |
| CN113766366A (en) * | 2021-08-31 | 2021-12-07 | 烽火通信科技股份有限公司 | Configuration anti-brushing method, device and equipment based on OTN system and readable storage medium |
| CN113766366B (en) * | 2021-08-31 | 2023-09-26 | 烽火通信科技股份有限公司 | Configuration back-flushing method, device and equipment based on OTN system and readable storage medium |
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| CN112153494B (en) | 2023-03-24 |
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