CN117354305B - Intercommunication cooperative control method and architecture - Google Patents
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0826—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability for reduction of network costs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
Abstract
The application discloses an intercommunication cooperative control method and an architecture, which solve the problem of difficult intercommunication cooperative control of different manufacturers in the prior art. An interworking collaboration management and control method for FlexE/SPN slice traffic, comprising: inquiring the intercommunication source/destination port of the slice service to be processed and the domain to which the network element belongs; responding to the cross-domain intercommunication of the slice service, calculating interconnection inter-domain resources from the domain to which the source port belongs to the domain to which the destination port belongs; responding to the interconnection inter-domain resources to meet the service intercommunication resource requirements, and calculating inter-domain routes and cross-domain numbers M; calculating the slice types, the number of the intra-domain bearing slices and the intra-domain service route of M domains; inter-domain and intra-domain interworking routes and slices are spliced. The method and the system effectively improve the operation and maintenance efficiency under the networking scene of multiple manufacturers, fundamentally reduce the dependence on single equipment manufacturer when the existing network equipment is purchased, improve the small-particle service bearing capacity, improve the network resource utilization rate and further reduce the network cost.
Description
Technical Field
The application relates to the technical field of flexible Ethernet, in particular to an interworking collaborative management and control method and architecture.
Background
The flexible Ethernet technology (FlexE) is a technology developed on the basis of the Ethernet technology to meet the requirements of high-speed transmission, flexible bandwidth allocation, and the like. The FlexE is based on the exclusive time slot 'hard slice' technology and the time slot crossing 'hard crossing' technology, can obviously improve the performance indexes such as isolation, time delay, jitter and the like of the slice network, and can truly realize the slice network meeting the power communication requirement. Meanwhile, flexE is a network interface slicing technology uniformly adopted by two technical schemes of the existing 5G bearer network, namely Slice Packet Network (SPN) and IP RAN enhancement. The Slice Packet Network (SPN) is based on a Packet Transport Network (PTN), introduces a FlexE interface in L1, expands the FlexE interface into an N5Gbps end-to-end MTN channel layer network technology, introduces a Segment Routing (SR) technology in L2 and L3, expands the SR-TP technology based on MPLS-TP, and realizes centralized arrangement and static routing configuration of north-south traffic based on an SDN management and control architecture.
In the aspect of the current state of the art, at present, the FlexE/SPN series communication industry standard, the international OIF FlexE IA 2.2 and the ITU-T MTN series international standard are all mature, the industrial chain covering the whole series of network equipment, chip research and development, test instruments and current network deployment has realized large-scale robust development, but the application of FlexE/SPN in the power communication network still belongs to the starting and exploring stage. Research has shown the necessity and feasibility of introducing FlexE/SPN into the power communication network. But the research of a layered domain networking, a cooperative control intercommunication architecture, a control model and an application method of a FlexE/SPN heterogeneous manufacturer for unified bearing of power communication multi-service is not developed in the industry, and the current network application deployment of the FlexE/SPN networking intercommunication of the heterogeneous manufacturer cannot be comprehensively guided.
Aiming at the layered and regional networking scene of the FlexE/SPN different manufacturers of the power communication network, the method solves the pain point problem of the intercommunication and cooperative control of the different manufacturers, and promotes the development and application of the FlexE/SPN technology in the power communication network.
Disclosure of Invention
The application provides an intercommunication cooperative control method and an intercommunication cooperative control framework, which solve the problem of difficult intercommunication cooperative control of different manufacturers in the prior art.
In a first aspect, an embodiment of the present application provides an interworking co-management and control method, which is used for FlexE/SPN slice service, including:
inquiring the intercommunication source/destination port of the slice service to be processed and the domain to which the network element belongs;
responding to the cross-domain intercommunication of the slice service, calculating interconnection inter-domain resources from the domain to which the source port belongs to the domain to which the destination port belongs;
responding to the interconnection inter-domain resources to meet the service intercommunication resource requirements, and calculating inter-domain routes and cross-domain numbers M;
calculating the slice types, the number of the intra-domain bearing slices and the intra-domain service route of M domains;
inter-domain and intra-domain interworking routes and slices are spliced.
In one embodiment, the number of routes and cross-domains is determined based on interworking constraints. The interworking constraints include minimum hop count, minimum latency, and load balancing.
In one embodiment, the slice type is determined based on traffic type. The service type comprises one or more of the following: and producing control type service, wherein the adopted slice type is a FlexE interface slice with N multiplied by 5G large particles, and an MTN channel special slice with N multiplied by 10M is nested inside. Non-control class traffic is produced using MTN channel dedicated slices with slice type n×10m. Information management non-real-time service adopts a FlexE interface slice with N multiplied by 5G large particles, and for point-to-point L2 VPN Ethernet dedicated line service, adopts a dedicated line soft slice based on an MPLS-TP tunnel; for L3VPN service among multiple points, VPN private network soft slicing based on SR tunnel is adopted. Information management real-time service: and 1 FlexE interface slice with 5G large particles is adopted, and a point-to-point special line soft slice or an L3VPN special network soft slice between multiple points is internally configured.
In one embodiment, the number of intra-domain bearer slices is calculated according to traffic broadband requirements.
In one embodiment, the inter-interconnect inter-domain resources include port resources and bandwidth resources.
In one embodiment, the intra-domain traffic route is determined based on interworking constraints.
In one embodiment, the method further comprises the steps of:
in response to receiving the new pending slice traffic, the available slices and bandwidth resources are updated.
In a second aspect, an embodiment of the present application further provides an interworking collaboration management and control architecture, which includes a collaboration management and control system, a domain management and control system, and a FlexE/SPN device, using the interworking collaboration management and control method according to any one of the embodiments of the first aspect. The collaborative management and control system is in information interaction with domain management and control systems of different domains through a northbound interface. And the domain management and control system is in information interaction with the FlexE/SPN equipment through a southbound interface.
In a third aspect, embodiments of the present application further provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method according to any of the embodiments of the first aspect.
In a fourth aspect, embodiments of the present application further provide an electronic device, including a memory, a processor and a computer program stored on the memory and executable by the processor, the processor implementing the method according to any of the embodiments of the first aspect when executing the computer program.
The above-mentioned at least one technical scheme that this application embodiment adopted can reach following beneficial effect:
the method has the advantages that through the proposal of the cooperative management and control architecture, the model and the method for the interworking of the different-manufacturer FlexE/SPN slice services of the power communication network, firstly, the operation and maintenance efficiency under the networking scene of a plurality of manufacturers can be effectively improved, the operation and maintenance cost of the whole network is reduced, the configuration, the management and the operation and maintenance complexity of the different-manufacturer networking can be effectively reduced through realizing the mixed networking interworking, the unified management and the unified operation and maintenance of the equipment of the plurality of manufacturers in the power network, the operation and maintenance efficiency is improved, and the construction cost of the FlexE/SPN network which supports the networking interworking and the cooperative management and control of the different-manufacturer networking is expected to be reduced by 20 percent compared with that of the traditional power private network, and the operation cost is reduced by 15 percent; the dependence on a single equipment manufacturer during the purchase of the existing network equipment can be fundamentally reduced, the equipment purchase cost is reduced, the flexible opening of the equipment is promoted, the overall activity of the FlexE/SPN industry facing the power communication network is improved, the participation will of each hardware equipment manufacturer and the collaborative arrangement software provider on the industry chain is enhanced, and the power grid equipment purchase cost can be reduced with the expansion of the selection range of the equipment manufacturer; thirdly, through supporting the multi-granularity slice of N multiplied by 5Gbps and N multiplied by 10Mbps, the small-particle service bearing capacity can be improved, the network resource utilization rate can be improved, and the network cost can be further reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a flowchart of an interworking collaboration management and control method according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating the issue of slice configuration parameters according to an embodiment of the present application;
FIG. 3 is a diagram of an interworking collaboration management and control architecture in an embodiment of the present application;
FIG. 4 is a diagram of an interworking collaboration management and control architecture in an embodiment of the present application;
fig. 5 is a FlexE slice service interworking collaborative management and control model diagram according to an embodiment of the present application.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The following describes in detail the technical solutions provided by the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a flowchart of an interworking collaboration management and control method according to an embodiment of the present application. The embodiment of the application provides an interworking collaborative management and control method, which is used for a FlexE/SPN slice service and comprises the following steps:
step 110, inquiring the intercommunication source and destination ports of the slice service to be processed and the domain to which the network element belongs;
for example, for the nth service, checking the interworking source/sink port and the domain to which the network element belongs, and determining whether the interworking belongs to the inter-manufacturer cross-domain interworking.
Step 120, responding to the slicing service as cross-domain intercommunication, and calculating interconnection inter-domain resources from the domain to which the source port belongs to the domain to which the destination port belongs;
for example, the inter-domain interconnection belonging to different manufacturers is judged, and the inter-domain interconnection resource between the domain to which the source port belongs and the domain to which the destination port belongs is calculated.
And judging whether the interconnection inter-domain resources meet the inter-manufacturer interconnection resource requirements according to the service interconnection resource requirements.
For example, the inter-interconnect inter-domain resources include port resources and bandwidth resources.
Step 130, calculating inter-domain routing and cross-domain number M in response to the interconnection inter-domain resource meeting the service intercommunication resource requirement;
for example, the routing and cross-domain numbers are determined according to interworking constraints. The interworking constraints include minimum hop count, minimum latency, and load balancing.
Step 140, calculating the slice types, the number of the intra-domain bearing slices and the intra-domain service route of M domains;
the slice type is determined, for example, from the traffic type.
As another example, in a circuit network, power is divided into zones I, II, III, IV according to the typical traffic division of power. And judging the partition of the interworking service in the power network according to the service type, and further judging the type of the bearing slice.
As shown in the following table 1, table 1 specifies the correspondence between the typical service of the power network and the belonging partition, and the communication requirement indexes of the typical service scenario of the I-iv regions, including delay, bandwidth, reliability, and safety isolation requirements.
According to different communication requirements, typical business scene slicing requirements of the I-IV region are as follows:
a) Production control class I zone traffic: the type of bearer CBR service is the dominant. Support and dispose the FlexE interface slice of the large granule of N×5G, the specialized slice of MTN channel of N×10M that the internal nesting is disposed as required;
b) Production of non-controlled class II traffic: the bearers include CBR and ethernet private line traffic types. Supporting configuration of an Nx10M MTN channel dedicated slice in a FlexE interface slice;
c) Information management III/iv zone non-real time traffic: the bearer includes the L2/L3 VPN traffic type between point-to-point and multipoint. Supporting configuration of 1 FlexE interface slice with N multiplied by 5G large particles, and adopting a special line soft slice bearing based on an MPLS-TP tunnel for a point-to-point L2 VPN Ethernet special line service; for L3VPN service among multiple points, VPN private network soft slice bearing based on SR tunnel is adopted;
d) Information management III/iv real-time traffic: the bearer includes the L2/L3 VPN traffic type between point-to-point and multipoint. And supporting configuration of 1 FlexE interface slice with 5G large particles, and internally configuring point-to-point private line soft slices or L3VPN private network soft slices among multiple points.
Table 1I-IV communication demand index of typical service scenario
For example, the number of bearer slices in the domain is calculated according to the service broadband requirement.
For example, the intra-domain traffic route is determined according to interworking constraints.
Repeating the above calculation for M times, and calculating the slices and the intercommunication routes of M domains through which the slice service passes.
Step 150, splicing inter-domain and intra-domain interworking routes and slicing.
For example, inter-factory inter-domain + intra-domain interworking routes and slices are spliced. The different manufacturers are different communication suppliers, namely different domains.
Fig. 2 is a schematic diagram illustrating slice configuration parameter issuing according to an embodiment of the present application.
Further, the interworking route and the slice configuration parameters of the M domains are respectively issued.
The interworking route parameter is issued to the node connected with the two domains, and the link between the nodes is the interworking route of the two domains;
the slice configuration parameters are issued to nodes through which traffic routes within the domain of the single domain pass.
As shown in FIG. 2, the traffic routes are A-1 to B-4, the upper curve is the actual route, the interworking routes are A-4 to B-1, the domain A traffic routes are A-1, A-3 and A-4, and the slice configuration parameter issuing nodes.
Fig. 3 is a flowchart of another interworking collaboration management and control method according to an embodiment of the present application. An interworking collaborative management and control method for FlexE/SPN slice service comprises the following steps 110-160.
For example, let the number of FlexE/SPN slice traffic stripes to be processed be N.
Step 110, inquiring the intercommunication source and destination ports of the slice service to be processed and the domain to which the network element belongs;
step 120, responding to the slicing service as cross-domain intercommunication, and calculating interconnection inter-domain resources from the domain to which the source port belongs to the domain to which the destination port belongs;
step 130, calculating inter-domain routing and cross-domain number M in response to the interconnection inter-domain resource meeting the service intercommunication resource requirement;
step 140, calculating the slice types, the number of the intra-domain bearing slices and the intra-domain service route of M domains;
step 150, splicing inter-domain and intra-domain interworking routes and slicing.
In one embodiment, the method further comprises the steps of:
step 160, in response to receiving the new pending slice traffic, the available slices and bandwidth resources are updated.
After finishing splicing inter-domain and intra-domain intercommunication routes and slicing or respectively issuing intercommunication routes and slicing configuration parameters of M domains; and updating available slices and bandwidth resources of the power network, and repeating the steps for N times. And ending the flow until all the services are processed.
Fig. 4 is a diagram of an interworking co-management and control architecture according to an embodiment of the present application. The application embodiment also provides an interworking co-control architecture, which uses the interworking co-control method according to any one of the embodiments of the first aspect, and includes a co-control system 1, a domain control system 2, and FlexE/SPN devices 3. The collaborative management and control system is in information interaction with domain management and control systems of different domains through a northbound interface. And the domain management and control system is in information interaction with the FlexE/SPN equipment through a southbound interface.
As shown in fig. 4, for example, the management architecture includes:
and (3) managing and controlling the surface: the intelligent power communication network-oriented Flex E/SPN slice service intercommunication collaborative management and control system (namely collaborative management and control system) and domain management and control system (in the figure, domain 1 Flex E/SPN management and control system, domain 2 Flex E/SPN management and control system and domain 3 Flex E/SPN management and control system) are used for carrying out information interaction with the domain management and control system through a unified management and control model and a northbound interface.
A forwarding surface: including different FlexE/SPN domain networks and FlexE/SPN devices of different vendors. And the domain management and control system and the FlexE/SPN equipment interact information through a unified management and control model and a southbound interface.
Fig. 5 is a FlexE slice service interworking collaborative management and control model diagram according to an embodiment of the present application.
As shown in fig. 5, the unified management and control model is a power communication network-oriented heterogeneous FlexE slice service interworking collaborative management and control model.
Comprising the following steps:
the network model comprises network elements, ports and links;
the slice model comprises slice identifications and slice types;
the inter-control model comprises a service type, a source and destination port, a bearing route, a bearing slice, an inter-communication constraint and an inter-domain port.
Service types, including power typical service of I area, II area, III area, IV area;
intercommunication constraints including minimum hop count, minimum delay, load balancing, etc.;
inter-domain resources, port resources, bandwidth resources.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Accordingly, the present application also proposes a computer readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements a method as described in any of the embodiments of the present application.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Further, the present application also proposes an electronic device (or computing device) comprising a memory, a processor and a computer program stored on the memory and executable by the processor, said processor implementing a method according to any of the embodiments of the present application when said computer program is executed.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory. The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media. Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (10)
1. An interworking cooperative control method for FlexE/SPN slice service, comprising:
inquiring the intercommunication source/destination port of the slice service to be processed and the domain to which the network element belongs;
responding to the cross-domain intercommunication of the slice service, calculating interconnection inter-domain resources from the domain to which the source port belongs to the domain to which the destination port belongs;
responding to the interconnection inter-domain resources to meet the service intercommunication resource requirements, and calculating inter-domain routes and cross-domain numbers M;
calculating the slice types, the number of the intra-domain bearing slices and the intra-domain service route of M domains;
inter-domain and intra-domain interworking routes and slices are spliced.
2. The interworking co-management and control method according to claim 1, wherein the routing and the number of cross-domains are determined according to interworking constraints;
the interworking constraints include minimum hop count, minimum latency, and load balancing.
3. The interworking co-management method according to claim 1, wherein the slice type is determined according to a traffic type;
the service type comprises one or more of the following:
producing control type service, adopting a slice type of a FlexE interface slice with N multiplied by 5G large particles, and internally nesting an MTN channel special slice with N multiplied by 10M;
producing non-control service, adopting MTN channel special slice with slice type of N×10M;
information management non-real-time service adopts a FlexE interface slice with N multiplied by 5G large particles, and for point-to-point L2 VPN Ethernet dedicated line service, adopts a dedicated line soft slice based on an MPLS-TP tunnel; for L3VPN service among multiple points, adopting VPN private network soft slice based on SR tunnel;
information management real-time service: and 1 FlexE interface slice with 5G large particles is adopted, and a point-to-point special line soft slice or an L3VPN special network soft slice between multiple points is internally configured.
4. The interworking co-management and control method according to claim 1, wherein the number of bearer slices in the domain is calculated according to service broadband requirements.
5. The interworking co-management method of claim 1, wherein the inter-interconnect inter-domain resources comprise port resources and bandwidth resources.
6. The interworking collaboration management and control method of claim 1, wherein the intra-domain traffic routes are determined based on interworking constraints.
7. The interworking co-management method according to claim 1, further comprising the steps of:
in response to receiving the new pending slice traffic, the available slices and bandwidth resources are updated.
8. An interworking co-control architecture, using the interworking co-control method of any one of claims 1-7, characterized by comprising a co-control system, a domain control system and FlexE/SPN devices;
the collaborative management and control system interacts with domain management and control system information of different domains through a northbound interface;
and the domain management and control system is in information interaction with the FlexE/SPN equipment through a southbound interface.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any of claims 1-7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of claims 1-7 when executing the computer program.
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