CN113115135B - VC-OTN high-quality government-enterprise private line opening method and device - Google Patents
VC-OTN high-quality government-enterprise private line opening method and device Download PDFInfo
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Abstract
A VC-OTN high-quality government and enterprise private line opening method and a VC-OTN high-quality government and enterprise private line opening device meet the requirement of opening an application scene of a high-quality government and enterprise private line by arranging a VC-OTN opening module in a super controller SC, so that the VC-OTN opening module, a PTN opening module and an SPN opening module can be used as a core module in the super controller SC to comprehensively support mainstream application scenes comprising standard government and enterprise private line bearing, 4G service bearing, 5G service bearing and high-quality government and enterprise private line bearing.
Description
Technical Field
The invention relates to a VC-OTN Network transmission technology and an SDN technology, wherein VC (Virtual Container) is a Virtual Container, OTN (Optical Transport Network) is an Optical Transport Network, and SDN (Software Defined Network) is a Software Defined Network, in particular to a VC-OTN high-quality special government and enterprise line opening method and device.
Background
The transmission network of the domestic Y operator adopts a packet technology and an optical transmission technology, and the packet technology occupies the mainstream all the time, so that the application is wide and the service volume is larger. The Packet technology is mainly PTN (Packet Transport Network) and SPN (Slicing Packet Network), and the optical transmission technology is mainly OTN. The application scenario of the PTN is standard government and enterprise dedicated line bearer and 4G (4 th generation mobile communication technology) service bearer; the application scenario of the SPN is 5G (5 th generation mobile networks, fifth generation mobile communication technology) service bearer; the VC-OTN is added with a VC switching function on the basis of the OTN, and an application scene is carried by a high-quality government and enterprise private line.
A Super Controller (SC) is an important component in a transmission SDN architecture, and mainly completes cooperative control of cross-device manufacturers, cross-management domains, cross-devices and network types, thereby meeting the requirement of service provisioning of each application scenario. At present, a Super Controller (SC) has the opening capability of PTN and SPN equipment and networks, but lacks the opening capability of VC-OTN equipment and networks, namely, the requirement of opening a high-quality government and enterprise private line cannot be met. However, VC-OTN devices and networks are recently built in Y operator group and companies in each province, and the Super Controller (SC) lacks an opening function for the devices and networks, so it is necessary to supplement them.
The inventors have appreciated that the transport SDN architecture includes a Super Controller (Super Controller), a Domain Controller (Domain Controller), devices, and networks. The Domain Controller (DC) completes the network control in the domain, the Super Controller (SC) can interact with a plurality of Domain Controllers (DC), and the cooperative control of cross-equipment manufacturer, cross-management domain, cross-equipment and network type is realized. The core module of the Super Controller (SC) is provided with a PTN (packet transport network) opening module and an SPN (shortest Path network) opening module, which respectively support a standard special line bearing and 4G service bearing scene and a 5G service bearing scene. However, Y operators have recently built VC-OTN devices and networks, which are intended to compete with the same enterprises for high-quality private line market, but the current cross-manufacturer management and control means is lacking, and it is urgently needed to supplement a VC-OTN provisioning module in a Super Controller (SC) to meet the high-quality private line provisioning scenario. In view of the above, the present inventors have completed the present invention.
Disclosure of Invention
Aiming at the defects or shortcomings in the prior art, the invention provides a VC-OTN high-quality special government and enterprise line opening method and device, wherein a VC-OTN opening module is arranged in a super controller SC to meet the application scene of opening the high-quality special government and enterprise line, so that the VC-OTN opening module, a PTN opening module and an SPN opening module can be used as a core module in the super controller SC together, and the mainstream application scenes comprising standard special government and enterprise line bearing, 4G service bearing, 5G service bearing and high-quality special government and enterprise line bearing are supported comprehensively.
The technical solution of the invention is as follows:
a VC-OTN high-quality special line opening method for government and enterprise is characterized by comprising a super controller SC, wherein a VC-OTN opening module is arranged in the super controller SC, and the VC-OTN opening module is used for meeting the application scene of high-quality special line opening: and after the super controller SC receives the work order, selecting different opening modules for processing according to the application scene type recorded on the work order, and if the work order is a high-quality special line type application scene, performing VC-OTN high-quality special line opening processing by the VC-OTN opening module.
The VC-OTN opening module determines the type of the created service according to the special line bandwidth, and if the special line bandwidth is less than 500Mbps, the EoS service is created; if the bandwidth of the private line is more than or equal to 500Mbps, a EoO service is created; the technique adopted by the EoS service comprises the steps of processing an Ethernet signal, packaging and mapping the Ethernet signal, then uploading the Ethernet signal to an SDH synchronous digital system, and transmitting the Ethernet signal through an SDH path; the EoO service adopts a technology that after processing an ethernet signal, the ethernet signal is packaged and mapped, and then the ethernet signal is transmitted to an OTN system through an OTN path.
The domain controller DC controlled by the super controller SC comprises an A manufacturer DC, a B manufacturer DC, a C manufacturer DC, a D manufacturer DC and an E manufacturer DC, wherein the super controller SC controls a first CPE device and a first HUB device through the A manufacturer DC, controls a first metropolitan area device through the B manufacturer DC, controls a province-trunk device through the C manufacturer DC, controls a second metropolitan area device through the D manufacturer DC, controls a second HUB device and a second CPE device through the E manufacturer DC, and is sequentially connected through optical fibers.
The high-quality government and enterprise special line is a cross-city high-quality government and enterprise special line, and spans five management domains in total, namely, five manufacturers are DC, the super controller SC configures first CPE equipment and first HUB equipment through the A manufacturer DC to form a local end city access section, configures first metropolitan area equipment through the B manufacturer DC to form a local end city metropolitan area section, configures province trunk equipment through the C manufacturer DC to form a province trunk section, configures second metropolitan area equipment through the D manufacturer DC to form an opposite end city metropolitan area section, configures second HUB equipment and second CPE equipment through the E manufacturer DC to form an opposite end city access section, and the super controller SC receives a work order of opening the cross-city high-quality government and enterprise special line and segments the special line into the following five sections: the method comprises the steps of determining source and destination end equipment and ports of each service section, issuing the opening parameters of each service section to each manufacturer DC, issuing the DC to the equipment, and calculating the opening success only if five service sections are opened successfully and a special line is opened successfully.
The structure of multiplexing and mapping of the EoS service is as follows: the multiplexing and mapping structure of CPE equipment is that Ethernet signals at the client side are multiplexed to a virtual container VC and then multiplexed to a synchronous transmission module STM; the multiplexing and mapping structure of the HUB device is that STM signals are multiplexed to an optical channel data unit ODU; the multiplexing and mapping structure of the metropolitan area equipment, the provincial trunk equipment and the opposite end metropolitan area equipment is ODU switching, and the multiplexing and mapping structure of the opposite end HUB equipment is ODU signal demultiplexing to STM; the multiplexing and mapping structure of the opposite-end CPE is that STM signals are demultiplexed to virtual containers VC and then to client-side Ethernet signals.
The multiplexing and mapping structure of the EoO service: the multiplexing and mapping structure of the CPE device is that a client-side ethernet signal is multiplexed to a first optical channel data unit ODU0 and then multiplexed to a second optical channel data unit ODU1; the multiplexing and mapping structure of the HUB device is that an ODU1 signal is multiplexed to a third optical channel data unit ODU2; the multiplexing and mapping structure of the metropolitan area equipment, the provincial trunk equipment and the opposite end metropolitan area equipment is ODU2 switching; the multiplexing and mapping structure of the opposite-end HUB device is ODU2 signal demultiplexing to ODU1; the multiplexing and mapping structure of the opposite-end CPE device is that ODU1 signals are demultiplexed to ODU0 and then demultiplexed to client-side Ethernet signals.
Including cross-vendor collaboration rules: the high-quality government and enterprise special line across the city totally spans five administrative domains, namely a domain controller DC of five equipment manufacturers; when the equipment of different equipment manufacturers wants to achieve signal intercommunication, the equipment needs to cooperate with the resource consistency of DCs of different manufacturers, namely, the same VC serial number and ODU serial number are issued to the equipment of different equipment manufacturers; aiming at an EoS service, ensuring that VC serial numbers and ODU serial numbers between butt joint devices of different device manufacturers are configured identically; for EoO service, it is to be ensured that ODU serial number configurations between the docking devices of different device manufacturers are the same.
The method comprises the following steps of: the HUB device is connected with the metropolitan area device, and the metropolitan area device is connected with the provincial trunk device through the ODU2, namely the link bandwidth is 10Gbps. Each ODU2 is divided into 8 ODU0, and the first 4 ODU0 are designed to be used by an EoS service, and the last 4 ODU0 are designed to be used by a EoO service.
The method comprises the following steps: for an EoS service, an ODU1 path and an STM16 path need to be preconfigured; an ODU1 path is pre-configured on the 1 st and the 2 nd ODU0, and an ODU1 path is pre-configured on the 3 rd and the 4th ODU 0; an STM16 path is preconfigured on the 1 st ODU1 path, and an STM16 path is preconfigured on the 2 nd ODU1 path.
A device for the VC-OTN high-quality government and enterprise private line opening method is characterized by comprising a super controller SC, wherein a PTN opening module, an SPN opening module and a VC-OTN opening module are arranged in the super controller SC, a domain controller DC controlled by the super controller SC comprises manufacturers DC-E DC, equipment controlled by the super controller SC through the domain controller DC comprises first CPE equipment, first HUB equipment, first metropolitan area equipment, provincial trunk equipment, second metropolitan area equipment, second HUB equipment and second CPE equipment which are sequentially connected through optical fibers, the PTN opening module meets standard government and enterprise private line bearing and 4G business bearing scenes, the SPN opening module meets 5G business bearing scenes, and the VC-OTN opening module meets high-quality government and enterprise private line bearing scenes.
The invention has the following technical effects: the VC-OTN high-quality government and enterprise private line opening method and device complement the original Super Controller (SC) solution, and the supported application scene is more comprehensive. The core module of the Super Controller (SC) is provided with a PTN (packet transport network) opening module and an SPN (shortest Path network) opening module, which respectively support a standard special line bearing and 4G service bearing scene and a 5G service bearing scene. However, the Y operator has recently built VC-OTN equipment and networks, and intends to compete with the same enterprises for the market of high-quality private lines, but the current cross-manufacturer management and control means is lacking, and it is urgently needed to supplement a VC-OTN provisioning module in a Super Controller (SC) to meet the high-quality private line provisioning scenario. In a word, compared with the original supporting scene of a Super Controller (SC), the technical advantage of the invention is that the supporting scene is more comprehensive, and the requirement of a Y operator for quickly opening a high-quality special line of government and enterprise can be met.
Drawings
Fig. 1 is a schematic diagram of a cross-city private line equipment networking implementing the VC-OTN high-quality government and enterprise private line provisioning method and apparatus of the present invention. OTN (Optical Transport Network) is an Optical Transport Network and VC (Virtual Container) is a Virtual Container. Fig. 1 includes a Super Controller SC (Super Controller), in which a PTN provisioning module, an SPN provisioning module, and a VC-OTN provisioning module are disposed, where a PTN (Packet Transport Network) is a Packet Transport Network, and an SPN (Slicing Packet Network) is a slice Packet Network. The Domain Controller DC (Domain Controller) managed by the super Controller SC comprises a manufacturer A DC-E DC, and the equipment managed by the super Controller SC through the Domain Controller DC comprises first CPE equipment, first HUB equipment, first metropolitan area equipment, dry-saving equipment, second metropolitan area equipment, second HUB equipment and second CPE equipment which are sequentially connected through optical fibers. CPE (Customer Premise Equipment) is a Customer service access device and HUB is an access aggregation device. The PTN opening module meets standard government and enterprise dedicated line bearing and 4G (4 th generation mobile communication technology) service bearing scenes, the SPN opening module meets 5G (5 th generation mobile communication technology) service bearing scenes, and the VC-OTN opening module meets high-quality government and enterprise dedicated line bearing scenes. The high-quality government and enterprise special line across cities is opened by adopting the following segmentation configuration rules: a special line for high-quality government and enterprise crossing local cities consists of five sections of services of a local city access section, a local city area section, a provincial trunk section, an opposite city area section and an opposite city access section, wherein the special line is only calculated to be successful in the fulfillment of the five sections of services. The special line opening mode comprises that after the super controller SC receives the opening work order, the special line is segmented, the source and destination end equipment and the port of each section of service are determined, the opening parameters of each section of service are issued to each DC, and the DC issues the equipment.
Detailed Description
The invention is described below with reference to the accompanying drawings (fig. 1) and examples.
Fig. 1 is a schematic diagram of a cross-city private line equipment networking implementing the VC-OTN high-quality government and enterprise private line provisioning method and apparatus of the present invention. Referring to fig. 1, a VC-OTN high-quality government and enterprise private line provisioning method includes a super controller SC, where a VC-OTN provisioning module is set in the super controller SC, and the VC-OTN provisioning module is used to meet a high-quality government and enterprise private line provisioning application scenario: and after the super controller SC receives the work order, selecting different opening modules for processing according to the application scene types recorded on the work order, and if the work order is a high-quality special line type application scene, performing VC-OTN high-quality special line opening processing by the VC-OTN opening module. The VC-OTN opening module determines the type of the created service according to the special line bandwidth, and if the special line bandwidth is less than 500Mbps, the EoS service is created; if the bandwidth of the private line is more than or equal to 500Mbps, establishing EoO service; the technique adopted by the EoS service comprises the steps of processing an Ethernet signal, packaging and mapping the Ethernet signal, then uploading the Ethernet signal to an SDH synchronous digital system, and transmitting the Ethernet signal through an SDH path; the EoO service adopts a technology that after processing an ethernet signal, the ethernet signal is packaged and mapped, and then the ethernet signal is transmitted to an OTN system through an OTN path. The domain controller DC controlled by the super controller SC comprises an A manufacturer DC, a B manufacturer DC, a C manufacturer DC, a D manufacturer DC and an E manufacturer DC, wherein the super controller SC controls a first CPE device and a first HUB device through the A manufacturer DC, controls a first metropolitan area device through the B manufacturer DC, controls a province-trunk device through the C manufacturer DC, controls a second metropolitan area device through the D manufacturer DC, controls a second HUB device and a second CPE device through the E manufacturer DC, and is sequentially connected through optical fibers.
The high-quality government and enterprise special line is a cross-city high-quality government and enterprise special line, and spans five management domains in total, namely, five manufacturers are DC, the super controller SC configures first CPE equipment and first HUB equipment through the A manufacturer DC to form a local end city access section, configures first metropolitan area equipment through the B manufacturer DC to form a local end city metropolitan area section, configures province trunk equipment through the C manufacturer DC to form a province trunk section, configures second metropolitan area equipment through the D manufacturer DC to form an opposite end city metropolitan area section, configures second HUB equipment and second CPE equipment through the E manufacturer DC to form an opposite end city access section, and the super controller SC receives a work order of opening the cross-city high-quality government and enterprise special line and segments the special line into the following five sections: the method comprises the steps of determining source and destination equipment and ports of each service section in a local city access section, a local city metropolitan area section, a province trunk section, an opposite city metropolitan area section and an opposite city access section, issuing opening parameters of each service section to each manufacturer DC, issuing the opening parameters to the equipment by the DC, and calculating opening success only if five service sections are opened successfully by a private line.
The multiplexing and mapping structure of the EoS service is as follows: the multiplexing and mapping structure of CPE equipment is that Ethernet signals at the client side are multiplexed to a virtual container VC and then multiplexed to a synchronous transmission module STM; the multiplexing and mapping structure of the HUB device is that an STM signal is multiplexed to an optical channel data unit ODU; the multiplexing and mapping structure of the metropolitan area equipment, the provincial trunk equipment and the opposite end metropolitan area equipment is ODU switching, and the multiplexing and mapping structure of the opposite end HUB equipment is ODU signal demultiplexing to STM; the multiplexing and mapping structure of the opposite-end CPE is that STM signals are demultiplexed to virtual containers VC and then to client-side Ethernet signals. The multiplexing and mapping structure of EoO service: the multiplexing and mapping structure of the CPE device is that a client-side ethernet signal is multiplexed to a first optical channel data unit ODU0 and then multiplexed to a second optical channel data unit ODU1; the multiplexing and mapping structure of the HUB device is that an ODU1 signal is multiplexed to a third optical channel data unit ODU2; the multiplexing and mapping structure of the metropolitan area equipment, the provincial trunk equipment and the opposite end metropolitan area equipment is ODU2 switching; the multiplexing and mapping structure of the opposite-end HUB device is ODU2 signal demultiplexing to ODU1; the multiplexing and mapping structure of the opposite-end CPE device is that ODU1 signals are demultiplexed to ODU0 and then demultiplexed to client-side Ethernet signals. Including cross-vendor collaboration rules: the high-quality government and enterprise special line across the city totally spans five administrative domains, namely a domain controller DC of five equipment manufacturers; when the equipment of different equipment manufacturers wants to achieve signal intercommunication, the equipment needs to cooperate with the resource consistency of DCs of different manufacturers, namely, the same VC serial number and ODU serial number are issued to the equipment of different equipment manufacturers; aiming at an EoS service, ensuring that VC serial numbers and ODU serial numbers between butt joint devices of different device manufacturers are configured identically; for EoO service, it is to be ensured that ODU sequence numbers of the docking devices of different device manufacturers are configured identically. The method comprises the following steps of: the HUB equipment is in ODU2 butt joint with the metropolitan area equipment and the provincial trunk equipment, namely the link bandwidth is 10Gbps. Each ODU2 is divided into 8 ODU0, and the first 4 ODU0 are designed to be used by an EoS service, and the last 4 ODU0 are designed to be used by a EoO service. The method comprises the following steps: for an EoS service, an ODU1 path and an STM16 path need to be preconfigured; an ODU1 path is pre-configured on the 1 st and the 2 nd ODU0, and an ODU1 path is pre-configured on the 3 rd and the 4th ODU 0; an STM16 path is preconfigured on the 1 st ODU1 path, and an STM16 path is preconfigured on the 2 nd ODU1 path.
A device for the VC-OTN high-quality government and enterprise private line opening method comprises a super controller SC, wherein a PTN opening module, an SPN opening module and a VC-OTN opening module are arranged in the super controller SC, a domain controller DC controlled by the super controller SC comprises manufacturers DC-E DC, equipment controlled by the super controller SC through the domain controller DC comprises first CPE equipment, first HUB equipment, first metropolitan area equipment, province trunk equipment, second metropolitan area equipment, second HUB equipment and second CPE equipment which are sequentially connected through optical fibers, the PTN opening module meets standard government and enterprise private line bearing and 4G service bearing scenes, the SPN opening module meets 5G service bearing scenes, and the VC-OTN opening module meets high-quality government and enterprise private line bearing scenes.
A VC-OTN high-quality special government and enterprise line opening method and device are characterized in that a VC-OTN opening module is additionally arranged on a Super Controller (SC) and is used for meeting the application scene of high-quality special government and enterprise line opening.
And when the Super Controller (SC) receives the work order, selecting different opening modules for processing according to the application scene type. And if the application scene is a high-quality application scene of a special line type of the government and enterprise, the VC-OTN opening module is used for processing.
The VC-OTN opening module determines the type of the created service according to the special line bandwidth, and if the special line bandwidth is less than 500Mbps, the EoS service is created; if the private line bandwidth is greater than 500Mbps inclusive, eoO traffic is created.
When configuring an EoS service, a Super Controller (SC) needs to coordinate consistency of VC serial numbers and ODU serial numbers of each management domain and each DC, and when configuring a EoO service, needs to coordinate consistency of ODU serial numbers of each management domain and each DC.
When an exchange is opened, the ODU1 path and the STM16 path are pre-configured through DC of equipment manufacturers. The pre-configuration rule is that for the EoS service, an ODU1 path and an STM16 path need to be pre-configured. An ODU1 path is pre-configured on the 1 st and 2 nd ODU0, and an ODU1 path is pre-configured on the 3 rd and 4th ODU 0. An STM16 path is preconfigured on the 1 st ODU1 path, and an STM16 path is preconfigured on the 2 nd ODU1 path. Places related to cross-equipment manufacturers and cross-management domain need to be pre-configured according to the pre-configuration rule.
A VC-OTN high-quality government and enterprise private line opening method and a device are more complete than the solution of the original Super Controller (SC), and are characterized in that a VC-OTN opening module is added in the Super Controller (SC) and becomes a core module in the Super Controller (SC) together with a PTN opening module and an SPN opening module. The supported application scenes comprise standard government and enterprise private line bearing, 4G service bearing, 5G service bearing and high-quality government and enterprise private line bearing, and the mainstream application scenes of Y operators are covered.
As shown in fig. 1, the Super Controller (SC) includes three core modules, which are a PTN provisioning module, an SPN provisioning module, and a VC-OTN provisioning module, respectively, and different provisioning modules satisfy different application scenarios. CPE is used for accessing customer service, HUB is used for converging the service accessed by CPE, metropolitan area equipment is used for dispatching local city service, and province trunk equipment is used for dispatching cross-city service. The CPE and the HUB are generally built by one equipment manufacturer, the metropolitan area equipment is built by one equipment manufacturer, the provincial and trunk equipment is built by one equipment manufacturer, therefore, the service of a special line across the city and the city is divided into five sections, the five sections are respectively controlled by five DCs, and finally the Super Controller (SC) is used for unified control. In the figure, a solid line represents an optical fiber connection between devices, and a dotted line represents a regulatory relationship between a Super Controller (SC) and a DC, and a regulatory relationship between a DC and a device.
As shown in fig. 1, the PTN provisioning module, the SPN provisioning module, and the VC-OTN provisioning module respectively satisfy a standard government-enterprise private line bearer and 4G service bearer scenario, a 5G service bearer scenario, and a high-quality government-enterprise private line bearer scenario. Fig. 1 illustrates a segment configuration rule of a high-quality government and enterprise private line across cities, and a standard high-quality government and enterprise private line across cities consists of a local city access segment, a local city metropolitan area segment, a province trunk segment, an opposite city metropolitan area segment and an opposite city access segment. After receiving the opening work order, the Super Controller (SC) segments the special line, determines the source and destination end equipment and port of each service, then issues the opening parameters of each service to each DC, and the DC issues the parameters to the equipment. Only if the five sections of services are successfully opened, the special line is successfully opened.
The invention provides a VC-OTN high-quality government and enterprise private line opening method and device, which complement the original Super Controller (SC) solution and support more comprehensive application scenes.
And a VC-OTN opening module is additionally arranged in a Super Controller (SC) to support the service opening of VC-OTN equipment and a network. And after receiving the opening work order, the Super Controller (SC) identifies the application scene in the work order, and if the work order is of a high-quality special line type for government and enterprise, the VC-OTN module is used for carrying out opening processing.
And selecting the created service type according to the size of the private line bandwidth. The VC-OTN device and the network support VC switching and ODU (Optical channel Data Unit) switching, and considering the feasibility of landing, VC switching only uses VC4 level switching, and ODU switching uses ODU0, ODU1, and ODU2 level switching. Aiming at the Ethernet service of a customer, a Super Controller (SC) supports the configuration of two service types of EoS and EoO, wherein the EoS service is used for carrying a special line below 500Mbps, and the EoO service is used for carrying a special line above 500Mbps (inclusive). The EoS (Ethernet over SDH, synchronous Digital Hierarchy) is a technology for processing Ethernet signals, packaging and mapping the Ethernet signals, and transmitting the Ethernet signals to an SDH system through an SDH path. EoO (Ethernet over OTN) is a technology that processes an Ethernet signal, encapsulates and maps the Ethernet signal, and transmits the Ethernet signal to an OTN system through an OTN path.
And multiplexing and mapping structure of the EoS service. The multiplexing and mapping structure of the CPE is that Ethernet signals at the client side are multiplexed to VC and then to STM. The multiplexing and mapping structure of the HUB device is STM (Synchronous Transport Module) signal multiplexing to the ODU. The multiplexing and mapping structure of the metropolitan area equipment, the provincial trunk equipment and the opposite end metropolitan area equipment is ODU switching. The multiplexing and mapping structure of the opposite-end HUB device is ODU signal demultiplexing to STM. The multiplexing and mapping structure of the opposite-end CPE equipment is that STM signals are demultiplexed to VC and then demultiplexed to client-side Ethernet signals.
EoO services multiplexing and mapping structure. The multiplexing and mapping structure of the CPE device is that the client side ethernet signal is multiplexed to ODU0 and then to ODU1. The multiplexing and mapping structure of the HUB device is ODU1 signal multiplexing to ODU2. The multiplexing and mapping structure of the metropolitan area equipment, the provincial trunk equipment and the opposite end metropolitan area equipment is ODU2 switching. The multiplexing and mapping structure of the HUB device at the opposite end is ODU2 signal demultiplexing to ODU1. The multiplexing and mapping structure of the opposite-end CPE device is that ODU1 signals are demultiplexed to ODU0 and then demultiplexed to client-side Ethernet signals.
And (4) coordinating rules across manufacturers. High quality government-enterprise lines across cities span a total of five administrative domains, i.e., DCs across five equipment vendors. In order to achieve signal intercommunication, devices of different device manufacturers need to cooperate with resource consistency of DCs of different manufacturers, that is, the same VC serial number and ODU serial number are issued to the devices of different device manufacturers. For the EoS service, it is to be ensured that the configuration of VC serial numbers and ODU serial numbers between the interfacing devices of different device manufacturers is the same. For EoO service, it is to be ensured that ODU serial number configurations between the docking devices of different device manufacturers are the same.
A resource allocation scheme. The HUB equipment is in ODU2 butt joint with the metropolitan area equipment and the provincial trunk equipment, namely the link bandwidth is 10Gbps. Each ODU2 is divided into 8 ODU0, and the first 4 ODU0 are designed to be used by an EoS service, and the last 4 ODU0 are designed to be used by a EoO service.
A pre-configuration scheme. For the EoS service, an ODU1 path and an STM16 path need to be preconfigured. An ODU1 path is pre-configured on the 1 st and 2 nd ODU0, and an ODU1 path is pre-configured on the 3 rd and 4th ODU 0. An STM16 path is preconfigured on the 1 st ODU1 path, and an STM16 path is preconfigured on the 2 nd ODU1 path. Places related to cross-equipment manufacturers and cross-management domain need to be pre-configured according to the pre-configuration rule.
Those matters not described in detail in the present specification are well known in the art to which the skilled person pertains. It is pointed out here that the above description is helpful for the person skilled in the art to understand the invention, but does not limit the scope of the invention. Any and all equivalents, modifications, and/or omissions to the system described above may be made without departing from the spirit and scope of the invention.
Claims (6)
1. A VC-OTN high-quality special government and enterprise line opening method is characterized by comprising a super controller SC, wherein a VC-OTN opening module is arranged in the super controller SC, and the VC-OTN opening module is used for meeting the application scene of opening the high-quality special government and enterprise line: after the super controller SC receives the work order, different opening modules are selected for processing according to the application scene types recorded on the work order, and if the work order is a high-quality special line type application scene, the VC-OTN opening module is used for carrying out VC-OTN high-quality special line opening processing;
the VC-OTN opening module determines the type of the created service according to the special line bandwidth, and if the special line bandwidth is less than 500Mbps, the EoS service is created; if the bandwidth of the private line is more than or equal to 500Mbps, a EoO service is created; the technique adopted by the EoS service comprises the steps of processing an Ethernet signal, packaging and mapping the Ethernet signal, then uploading the Ethernet signal to an SDH synchronous digital system, and transmitting the Ethernet signal through an SDH path; the technology adopted by the EoO service comprises that after an Ethernet signal is processed, the Ethernet signal is packaged and mapped, and then the Ethernet signal is loaded to an OTN system and transmitted through an OTN path;
the multiplexing and mapping structure of the EoS service is as follows: the multiplexing and mapping structure of CPE equipment is that Ethernet signals at the client side are multiplexed to a virtual container VC and then multiplexed to a synchronous transmission module STM; the multiplexing and mapping structure of the HUB device is that STM signals are multiplexed to an optical channel data unit ODU; the multiplexing and mapping structure of the metropolitan area equipment, the provincial trunk equipment and the opposite end metropolitan area equipment is ODU switching, and the multiplexing and mapping structure of the opposite end HUB equipment is ODU signal demultiplexing to STM; the multiplexing and mapping structure of the CPE equipment at the opposite end is that STM signals are demultiplexed to virtual containers VC and then to Ethernet signals at the client side;
the multiplexing and mapping structure of EoO service: the multiplexing and mapping structure of the CPE device is that a client-side ethernet signal is multiplexed to a first optical channel data unit ODU0 and then multiplexed to a second optical channel data unit ODU1; the multiplexing and mapping structure of the HUB device is that an ODU1 signal is multiplexed to a third optical channel data unit ODU2; the multiplexing and mapping structure of the metropolitan area device, the provincial trunk device and the opposite-end metropolitan area device is ODU2 switching; the multiplexing and mapping structure of the opposite-end HUB device is ODU2 signal demultiplexing to ODU1; the multiplexing and mapping structure of the opposite-end CPE device is that ODU1 signals are demultiplexed to ODU0 and then demultiplexed to client-side Ethernet signals;
the method comprises the following steps: for an EoS service, an ODU1 path and an STM16 path need to be preconfigured; an ODU1 path is pre-configured on the 1 st and the 2 nd ODU0, and an ODU1 path is pre-configured on the 3 rd and the 4th ODU 0; an STM16 path is preconfigured on the 1 st ODU1 path, and an STM16 path is preconfigured on the 2 nd ODU1 path.
2. The VC-OTN high-quality government-enterprise private line opening method according to claim 1, wherein a domain controller DC managed by the super controller SC includes a manufacturer a DC, a manufacturer B DC, a manufacturer C DC, a manufacturer D DC, and a manufacturer E DC, the super controller SC manages the first CPE device and the first HUB device through the manufacturer a DC, manages the first metropolitan area device through the manufacturer B DC, manages the provincial trunk device through the manufacturer C DC, manages the second metropolitan area device through the manufacturer D DC, manages the second HUB device and the second CPE device through the manufacturer E DC, and the first CPE device, the first HUB device, the first metropolitan area device, the provincial trunk device, the second metropolitan area device, the second HUB device, and the second CPE device are sequentially connected through an optical fiber.
3. The VC-OTN high-quality government-enterprise private line provisioning method according to claim 1, wherein the high-quality government-enterprise private line is a cross-city high-quality government-enterprise private line, and the total cross-city management area is five management domains, that is, five manufacturers DC are crossed, the super controller SC configures a first CPE device and a first HUB device via a manufacturer DC to form a local-city access section, configures a first metropolitan area device via a manufacturer DC to form a local-city metropolitan area section, configures an province trunk section via a manufacturer DC to form an province trunk section, configures a second metropolitan area device via a manufacturer DC to form an opposite-end metropolitan area section, configures a second B device and a second CPE device via an manufacturer DC to form an opposite-end city access section, and after receiving the cross-city high-quality government-enterprise private line provisioning worksheet, the super controller SC segments the private line into the following five sections: the method comprises the steps of determining source and destination end equipment and ports of each service section, issuing the opening parameters of each service section to each manufacturer DC, issuing the DC to the equipment, and calculating the opening success only if five service sections are opened successfully and a special line is opened successfully.
4. The VC-OTN high-quality government and enterprise private line provisioning method according to claim 1, comprising inter-factory cooperation rules: the high-quality government and enterprise special line across the city totally spans five administrative domains, namely a domain controller DC of five equipment manufacturers; when the equipment of different equipment manufacturers wants to achieve signal intercommunication, the equipment needs to cooperate with the resource consistency of DCs of different manufacturers, namely, the same VC serial number and ODU serial number are issued to the equipment of different equipment manufacturers; aiming at an EoS service, ensuring that VC serial numbers and ODU serial numbers between butt joint devices of different device manufacturers are configured identically; for EoO service, it is to be ensured that ODU serial number configurations between the docking devices of different device manufacturers are the same.
5. The VC-OTN high quality government enterprise private line provisioning method according to claim 1, comprising a resource allocation scheme: HUB equipment and metropolitan area equipment, and metropolitan area equipment and provincial trunk equipment are all connected through ODU2, namely the link bandwidth is 10Gbps; each ODU2 is divided into 8 ODU0, and the first 4 ODU0 are designed to be used by an EoS service, and the last 4 ODU0 are designed to be used by a EoO service.
6. A device for a VC-OTN high-quality government-enterprise private line provisioning method according to any one of claims 1 to 5, which is characterized by comprising a super controller SC, wherein a PTN provisioning module, an SPN provisioning module and a VC-OTN provisioning module are arranged in the super controller SC, a domain controller DC controlled by the super controller SC comprises manufacturers DC-E DC, equipment controlled by the super controller SC through the domain controller DC comprises first CPE equipment, first HUB equipment, first metropolitan area equipment, provincial trunk equipment, second metropolitan area equipment, second HUB equipment and second CPE equipment, the PTN provisioning module meets standard government-enterprise private line loading and 4G service loading scenes, the SPN provisioning module meets 5G service loading scenes, and the VC-OTN provisioning module meets high-quality government-enterprise private line loading scenes.
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