CN115051927B - Data network development method and system - Google Patents
Data network development method and system Download PDFInfo
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- CN115051927B CN115051927B CN202210767452.7A CN202210767452A CN115051927B CN 115051927 B CN115051927 B CN 115051927B CN 202210767452 A CN202210767452 A CN 202210767452A CN 115051927 B CN115051927 B CN 115051927B
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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
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/14—Arrangements for monitoring or testing data switching networks using software, i.e. software packages
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/325—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the network layer [OSI layer 3], e.g. X.25
Abstract
The application discloses a data network development method, which comprises the steps of implementing topology customization, virtual network element customization and verification activity customization in service layer software. Establishing a link topological relation and controlling a cross connection device to realize link connection between data network nodes; invoking computing resources, storage resources and I/O resources, dynamically loading executable software for realizing network capability, and forming a virtual data network node; and dynamically adding a test terminal, and calling a test tool to test the network. The application also comprises a system for implementing the method. The application solves the problem that the prior art lacks a rapid customizable development environment to realize data network design.
Description
Technical Field
The present application relates to the field of communication and information network technologies, and in particular, to a method and a system for data network development.
Background
The network development process of the communication and information system generally needs to be developed through a plurality of links such as prototype development, laboratory test operation, scale demonstration operation, trial business and the like, and has long development period and high development cost. Because of high investment in network development and complex development environment, the method is unfavorable for efficient and rapid iterative development.
The united states PlaneLab utilizes a link connection network to deploy a computer cluster of over 1000 nodes in overlapping modes in multiple countries, providing network services requiring extensive authentication such as distributed storage, content distribution, point-to-point systems, distributed hash tables, query processing, and network telemetry, and is only suitable for network application innovation over IP protocols.
Although constructing a network virtualization environment by using cloud computing and Network Function Virtualization (NFV) technology is a common technology for providing a test verification basic platform at present, such as "FINE", CENI can provide a test verification platform with a certain scale, but the method is limited by the dependence of cloud computing and NFV on the existing IP network technology, and the final goal of cloud computing design is end-oriented application, and providing a two-layer and three-layer tunnel capability by using the IP technology to construct an experimental network can cause a data plane in the test environment to naturally have the transmission characteristic of the IP network, so that the function and performance characteristic verification similar to those of a non-IP network technology can be affected. In addition, the cloud computing target application provides services to the outside by utilizing the pooled IT resources, and the application flow finally flows out of the cloud, which is different from network development and experiments, and the user focuses more on the flow direction of the data flow between virtual network elements in the environment. Therefore, the development environment constructed by the traditional cloud computing technology and the like is mostly used for functional verification of a network control plane (such as a novel routing protocol and the like), a management plane (such as a novel management protocol and a management function) and a forwarding plane, and lacks support for network layer development and verification in a real sense.
Up to now, no environment capable of supporting network layer innovation exists, and the application provides a design method for a data network research and development environment, which fills the technical blank in the aspect at home and abroad.
Disclosure of Invention
The embodiment of the application provides a data network development method and a system, which solve the problem that the prior art lacks a rapid customizable development environment to realize data network design.
In a first aspect, an embodiment of the present application provides a data network development method, including steps of implementing topology customization, virtual network element customization, and verification activity customization in service layer software;
the topology customization comprises the steps of establishing a link topology relationship and controlling a cross connection device to realize link connection between data network nodes;
the virtual network element customization comprises the steps of calling computing resources, storage resources and I/O resources, dynamically loading executable software for realizing network capacity, and forming a virtual data network node;
and the verification activity customization comprises the steps of dynamically adding a test end and calling a test tool to test the network.
Further, the data network development method provided by the embodiment of the present application further includes a resource management step, wherein a resource management layer is established for storing or reading at least one of the following software resources: executable software for implementing virtual network element functions; network test tool software; data generated during network testing.
Further, the data network development method provided by the embodiment of the application further comprises the step of performing software development in the service layer software, and the development software configured by the resource management layer is read and executed through the development environment arranged in the service layer software to generate source codes and/or executable codes of at least one of the following functions: virtual network element functions, network test tools, network application instances.
Further, the data network development method provided by the embodiment of the application further comprises the following steps:
constructing a virtual network element with user specifying capability through a virtualization technology, and realizing at least one connection among the virtual network element, a physical network element, an end application and test equipment to form a network application instance;
programs and data for implementing the network application instance are stored in a resource management layer.
Preferably, in the step of topology customization, further comprising: establishing a connection relation between virtual network nodes and/or physical network nodes, realizing connection among network element ports, isolating link resources among a plurality of network topologies, and meeting preset port connection and forwarding characteristics.
Preferably, in the step of customizing the virtual network element, the method further includes: executable software including software and/or application software implementing network element functions is invoked and/or uploaded at the resource management layer.
In a second aspect, an embodiment of the present application further proposes a data network development system, configured to implement the method according to any one of the embodiments of the first aspect of the present application.
The system includes means for a service layer, a resource management layer, and an infrastructure layer. The service layer is used for customizing the topology, the virtual network element and the verification activity. The resource management layer is used for storing or reading at least one of the following software resources: executable software for realizing the functions of the virtual network element, network test tool software and data generated in the network test process. The infrastructure layer is configured to provide: a resource-isolated, connection-configurable, connection-relationship and link-forwarding-characteristic connection device, and an IT resource component that can configure computing resources, storage resources, and I/O resources.
The service layer is provided with an operation interface connected with the infrastructure layer and the resource management layer; the service layer also includes a user-oriented online operations interface.
Preferably, the service layer further comprises a topology customization module, a virtual network element customization module and a verification activity customization module. The topology customization module is used for establishing a link topology relationship and controlling the cross connection device to realize link connection between the data network nodes. The virtual network element customizing module is used for retrieving the computing resource, the storage resource and the I/O resource to form a virtual data network node. And the verification activity customizing module is used for dynamically adding a test terminal and calling a test tool to test the network.
Preferably, the resource management layer comprises a network function software pool, a test tool pool and a network data pool. The network function software pool is used for storing executable software for realizing the functions of the virtual network element. And the test tool pool is used for storing network test tool software. And the network data pool is used for storing data generated in the network test process.
Preferably, the service layer further comprises a software development module. The software development module is used for running a software development environment, reading the development software from the resource management layer and executing the development software, and generating source codes and/or executable codes of at least one of the following functions: virtual network element functions, network test tools, network application instances.
Preferably, the resource management layer further comprises a development software pool. The development software pool is used for storing an intermediate version of source code and/or executable code of the development software and at least one of the following functions: virtual network element functions, network test tools, network application instances.
Preferably, the resource management layer further comprises a typical application pool. The typical application pool is used for storing programs and data for realizing network application instances.
Further, the method comprises the steps of,
the infrastructure layer comprises a physical or virtual network element, receives customization information through an interface between the infrastructure layer and the service layer, and generates a customized two-layer network and/or a network formed by connecting two layers of the network with a downlink.
The infrastructure layer contains physical or virtual test meters, receives information through an interface with the service layer, and tests network performance.
The infrastructure layer comprises a storage device and a server, receives customization information through an interface between the infrastructure layer and the service layer, and generates a virtual network element of the data network node.
The infrastructure layer contains physical or virtual application equipment, receives customization information through an interface between the infrastructure layer and the service layer, and accesses the I/O interface of the virtual network element.
The above at least one technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:
the method and the system realize the rapid and customizable software development environment, test environment construction and resource allocation for network layer development, and serve the innovative activities of network layer development.
The application provides a general data network research and development environment which can be opened to all data network research and development operators, provides a low-threshold development environment and is greatly beneficial to research and development, demonstration, test evaluation and trial use of the data network.
Providing a bottom network with resource isolation and various deterministic forwarding characteristics for connecting physical and virtual network elements, wherein the topological connection relation can be customized on line, and the requirements of test verification networking flexibility and forwarding deterministic are met; the network function can be customized online, and large-scale virtualized network elements can be deployed dynamically, so that the verification scale requirement is met; the terminal, the testing tool, the third party application and the like which can be dynamically added into the test environment can meet the integrity requirement of verification; the customizable software development environment, packaging tools and the like support software integrated development and package management services in the test environment, and meet the convenience requirement of repeated iteration from development to verification.
Finally, the resource limit of development and test (environment deployment) of users in the network research and development process of the data network is broken through, and the test environment construction with verification scale, multiple equipment types and bottom network transmission requirements is met.
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 specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a flow chart of an embodiment of the method of the present application;
FIG. 2 is a flow chart of another embodiment of the method of the present application;
FIG. 3 is a schematic representation of an embodiment of the system of the present application;
fig. 4 is a schematic diagram of another embodiment of the system of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, 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, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The application aims at providing a method and a system for developing environment of a data network, which are oriented to the technical innovation of a network layer (refer to layer 3 of an OSI 7 layer model).
Through the system of the application, on one hand, point-to-point links with various transmission characteristics are provided, the physical equipment and virtual resources of the multifunctional type are connected, and the hybrid networking of the physical equipment and the virtual equipment is supported; on the other hand, unified scheduling and management of test resources are provided for users, the user is supported to edit, store and read a test environment scheme, repeated iterative development and verification activities in the research and development process are met, and the users are supported to build at random; support multiple topology verification requirements; software integrated development and package management services are provided, which serve innovative activities that iterate from development to verification.
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 flow chart of an embodiment of the method of the present application;
step 10, establishing a resource management layer for storing or reading the following software resources: executable software for realizing the functions of the virtual network element, network test tool software and data generated in the network test process.
Step 20, a service layer running device with a user-oriented network interface is established, wherein the service layer provides a user-oriented service interface, a data interface with a resource management layer and a control interface with an infrastructure layer.
Step 40, responding to the online operation instruction of the user interface, implementing topology customization, virtual network element customization and verification activity customization in the service layer software, and specifically comprising steps 41-43.
Step 41, the topology customization step comprises the steps of establishing a link topology relationship and controlling a cross connection device to realize link connection between data network nodes;
the network topology comprises virtual network nodes, physical nodes, connection relations among the nodes, ports on which the connection relations depend and connection relations among ports in the nodes.
It should be noted that, the link topology relationship in the present application includes a two-layer and/or a link topology relationship below two-layer; the cross-connect refers to the exchange between two layers and/or two layers of links below.
In step 41, preferably, a connection relationship between the virtual network node and/or the physical network node is established, so as to realize resource isolation between a plurality of links, and the inter-node links meet preset transmission characteristics.
And the connection among the ports of the network element is realized, and the preset connection relation among the ports and the forwarding characteristic among the ports are met.
The forwarding characteristic in the present application is defined for a node as a signal change in the ingress port to egress port procedure. In the present application, the transmission characteristics define the characteristics of links between ports connecting different nodes.
It should be noted that isolation between links means that physical resources for implementing signal transmission are independent. For example, the physical resources used for transmission between two point-to-point links can be distinguished. The physical resources herein are distinguished in the time domain and/or the frequency domain according to a set granularity, format or frame structure.
The link between nodes meeting the preset transmission characteristic and the connection between the network element ports meeting the preset forwarding characteristic means that the characteristics of performance change, jitter or time delay and the like in the signal transmission process are determined. Further, hierarchical performance index thresholds may be set that enable the underlying network infrastructure to be customized to links of various deterministic forwarding or transmission characteristics (e.g., high deterministic transmission of microsecond jitter, millisecond delay long-range transmission, etc.).
Step 42, the step of customizing the virtual network element includes calling computing resources, storage resources and I/O resources, dynamically loading executable software for realizing network capability, and forming a virtual data network node;
in step 42, a virtual network element with isolated resources is established, for example, the service function node can be software based on general hardware such as X86, deterministic resource allocation is realized in the CPU core, the memory and other memories, and exclusive rather than shared mode is adopted for the I/O interface resources. It should be noted that the computing resources, storage resources, and I/O resources in one virtual network element must be taken from the same server.
The node functions and configurations in each network node comprise node function entity constitution, node function configuration and the like. The functional entity carriers are running state software and combinations. Preferably, executable software is invoked at the resource management layer and/or uploaded through the user interface, said executable software comprising software and/or application software implementing the network element functions.
The virtual network element may be a network device or a network function entity. Through the user interface, the user dynamically deploys large-scale virtual network elements by customizing network functions such as core routers, access routers, DNS, and the like on line.
And 43, the verification activity customization step comprises the steps of dynamically adding a test terminal and calling a test tool to test the network.
The test tool may be, for example, a physical device or software module such as a performance test meter, flow generation software, etc.
Third party applications, such as video conferencing applications, web services, or other application systems, may also be dynamically added through online configuration during the step of verifying customization of the activity.
The test flow is editable. The system of the present application supports user-customized activity flows, comprising: specifying when an individual node or a batch of nodes initiates what operation. Repeated execution of the defining sub-flow or timed repeated execution and other operations support automatic repeated network test verification activity.
FIG. 2 is a flow chart of another embodiment of the method of the present application.
Further, the data network development method provided by the embodiment of the application further comprises a step of performing software development and an iterative step in service layer software.
Steps 10 to 20 (above);
further, in step 10, to support service layer software development, the resource management layer is further configured to store or read the following software resources: software development, typical applications.
Step 30, reading and executing the development software configured by the resource management layer through the development environment arranged in the service layer software, and generating source codes and/or executable codes of at least one of the following functions: virtual network element functions, network test tools, network application instances.
Step 40 (supra);
further, in step 41-43, a virtual network element is constructed based on the virtualization technology, so as to realize at least one connection among the virtual network element, the physical network element, the end application device and the test device, thereby forming a network application instance for testing and verifying the comprehensive application resources customized by the user.
Wherein the capabilities (functions and capabilities) of the virtual network element can be specified through a user interface.
Preferably, programs and data implementing the network application instance are stored in a resource management layer. Multiple, multiple-class network instance management and operation may be supported, providing network trial verification activities from trial network customization, deployment, verification, and results display.
By the program and data of the network application instance, user customized network (i.e. virtual network based on topology customization and virtual network element constitution of physical network element) customization and life cycle management are provided. The system supports the overall configuration management (such as configuration export and import of the network instance) of the network instance by a user, and provides batch operation capability by using network element resource management, thereby realizing the operations of deployment, starting, stopping, cancelling and the like of the network instance.
And 50, analyzing the verification result through a data analysis tool arranged in the service layer software, and updating the service layer software function according to the analysis result.
The results of testing the network are stored in the resource management layer in real time. Reading test data through service layer software, and counting and displaying the test data; further, calling service layer software to compare the test data with the set threshold data to generate an indication of success or failure of test verification, and further, triggering at least one step of service layer software update topology customization, virtual network element customization, verification activity customization and software development environment to rerun when the test verification fails, and carrying out iterative update on the service layer software function.
FIG. 3 is a schematic representation of an embodiment of the system of the present application.
The embodiment of the application also provides a data network development system for realizing the method of any one embodiment of the application.
The system includes means for a service layer 70, a resource management layer 80, and an infrastructure layer 90. The service layer is used for customizing the topology, the virtual network element and the verification activity. The topology customization includes customization of inter-node link connections and inter-node port connections. The resource management layer is used for storing or reading at least one of the following software resources: executable software for realizing the functions of the virtual network element, network test tool software and data generated in the network test process. The infrastructure layer is configured to provide: a resource-isolated, configurable connection, a two-layer or less-two-layer connection device of node forwarding characteristics and link transmission characteristics, and an IT resource component that can configure computing resources, storage resources, and I/O resources.
The service layer also includes a user-oriented service interface 71, which is an online operation interface. Preferably, the visual user service interface (UI) is used for responding to the operation of the process of performing complete test verification such as network customization, network deployment, test/verification, instance running state visual monitoring, result inquiry and summarization and the like by a user.
In the service interface, an online editing tool and a topology file read-write interface are provided, a user customized test environment is supported, the test environment comprises node types/functions, connection relations among nodes, link types among nodes (such as different delay levels of local, long-distance and the like) and the like, and topology editing contents are stored. In order to realize node function customization, proper physical equipment (such as meters and end equipment) is selected from test basic resources, or node running software is deployed. The run-state function software is from a run-state software library or is uploaded by a user. The running state software can be network element function software or application software. And providing an interface of a graphical user interface for customizing the connection relation, customizing the connection relation between physical/virtual nodes in a canvas mode, or calling a standardized topology description file, customizing the connection relation between the nodes, connecting required transmission characteristics and the like.
Preferably, the service layer further comprises a topology customization module 72, a virtual network element customization module 73, and a verification activity customization module 74.
The topology customization module is used for establishing a link topology relationship, controlling the cross connection device to realize link connection between nodes of the data network and input/output port connection in the nodes. The method and the system support the user to create any type of topology by using a common topology template, interface dragging and other convenient modes, and provide visual running state information based on the user-customized topology.
The virtual network element customizing module is used for calling computing resources, storage resources and I/O resources, calling or uploading executable software to realize set network functions, and forming a virtual data network node. The method comprises the steps of supporting the function of customizing network elements completely by a user or customizing the network elements by means of templates provided by a platform, and designating IT resources and software packages of the network elements; responding to operations such as starting, running state inquiry, stopping, withdrawing and the like of a user aiming at a specific network element.
And the verification activity customizing module is used for dynamically adding a test terminal and calling a test tool to test the network. Customization, orchestration, and lifecycle management of test and test activities are provided. Responding to the public test tool of the resource management layer or the self-maintained test tool of the user, arranging test flow, collecting process data, summarizing results and the like.
Preferably, the service layer also includes a software development module 75. The software development module is used for running a software development environment, reading the development software from the resource management layer and executing the development software, and generating source codes and/or executable codes of at least one of the following functions: virtual network element functions, network test tools, network application instances.
Preferably, the service layer also includes a verification result analysis module 76. The verification result analysis module is used for reading the test data and counting and displaying the test data; further, the verification result analysis module is further configured to compare the test data with the set threshold data to generate an indication that the test verification is successful or failed, and further, when the test verification fails, trigger at least one module of the topology customization module 72, the virtual network element customization module 73, the verification activity customization module 74 and the software development module 75 to be rerun, and update the software functions iteratively.
The service layer provides unified scheduling and management of hardware and software resources. According to a test environment scheme customized by a user, deploying test topology, and finally realizing complete user test network construction from node functions to network connection, specifically:
the service layer is provided with a data interface 77 connected to the resource management layer. Preferably, the resource management layer includes a network function software pool 81, a test tool pool 82, and a network data pool 83. And the network function software pool is used for storing executable software for realizing the functions of the virtual network element. And the test tool pool is used for storing network test tool software. And the network data pool is used for storing data generated in the network test process. Further preferably, the resource management layer also includes a development software pool 84. The development software pool is used for storing an intermediate version of source code and/or executable code of the development software and at least one of the following functions: virtual network element functions, network test tools, network application instances. Further preferably, the resource management layer also contains a representative application pool 85. The typical application pool is used for storing programs and data for realizing network application examples and running software of typical applications.
The service layer is provided with control interfaces 78A-D connected to the infrastructure layer. The infrastructure layer contains physical or virtual network elements 91 that receive customization information via a first control interface 78A with the service layer to generate a cross-connect network. The infrastructure layer contains physical or virtual test meters 92 that receive custom information through the second control interface 78B with the service layer to test network performance. The infrastructure layer contains a storage device 93, a server 94, and generates virtual network elements of the data network nodes by receiving the customization information through the third control interface 78C with the service layer. The infrastructure layer contains physical or virtual application devices 95 that receive customization information through the fourth control interface 78D with the service layer, accessing the I/O interfaces of the virtual network elements.
And connecting the basic resources by utilizing the customizable two-layer cross connection device with deterministic transmission quality guarantee through the control interface. These underlying resources may be physical network elements, physical application devices, physical test meters, or may be custom-deployed, software-implemented test meters, network elements, application systems, and general-purpose server devices. And deploying two-layer point-to-point connection meeting transmission characteristic requirements through the control interface to finish the link connection of the physical equipment. The connection between nodes is guaranteed to have exclusive link resources, and the transmission performance of the link is determined. Through the control interface, node function deployment can also be realized: for the virtual nodes, virtual resources are allocated according to user customization, functional software is deployed, and virtual network element construction is completed; for physical nodes, corresponding startup and configuration tasks are performed.
The system of the application supports the user to customize the software development environment, provides software version management, and provides complete flows of compiling, packaging, uploading, deploying and the like from development state to running state software, thereby opening up the complete flow from development of virtual network functions to test verification.
Fig. 4 is a schematic diagram of another embodiment of the system of the present application.
The apparatus of this embodiment includes a two-tier connection component 61, a physical device component 62, an IT resource component 63, a running state software pool component 64, a development component 65, and a user test service component 66.
The two-tier connection component 61 includes a set of two-tier cross-connect devices and their management components, providing customization of two-tier point-to-point links, status monitoring, traffic statistics, etc., connecting the network infrastructure in the physical device component 62 and the IT resource component 63 through the transport interface 67. The two-layer connection can utilize the Ethernet technology to construct a two-layer point-to-point link, and is easy to connect with a general server.
The physical device resource component 62 includes devices that do not provide virtualization capabilities, such as physical network elements, physical test meters, etc., and management components provide capabilities for enabling, disabling, parameter configuration, querying, etc. functions. Component 62 may be, but is not limited to, remote command access using physical devices, or device network management, etc
An IT resource pool component 63, which provides virtualized IT resources (such as CPU, memory, storage, and two-layer ports), where the virtual resources may exist in forms of, but not limited to, virtual machines, containers, etc.; preferably, the information technology resource pool for constructing the virtual network element takes 'cloud' as a carrier, and the Information Technology (IT) resource required by the virtual network element comprises: computing resources, storage resources, and I/O resources are obtained from the 'cloud'. The component may be implemented using cloud technology, such as using cloud management software such as openstack.
The runtime software pool component 64 provides storage, uploading, deployment, revocation, etc. of the runtime software. May be implemented, but is not limited to, using image management software in cloud computing technology. These running state software, in addition to the software package entities and their basic information (e.g., software names, version information, etc. for uniquely identifying the software package), has an Application Program Interface (API) that supports management of software lifecycles (deployment, start, stop, undo), a running output results API, and a query interface that supports running state monitoring and logging. The running software can be network function software, test flow base software, web service and other end application software, and some supporting software, such as an operating system and database system software.
The development component 65 acts as an optional module to provide a development environment for the user. May be, but is not limited to, implemented using an integrated tool such as a compilation farm. Preferably, the platform has network open source software management capability, and provides a basic platform for network technology innovation ecology. The system supports the user to construct an open source ecological environment, provides open source software version management, and provides a process of interrogation and process management such as importing, withdrawing, deleting and the like to an running state software pool
The user trial service component 66 provides support and services for the user from development to trial verification activities, including user management, trial project management, and the like. Specifically, topology customization, network element function customization, network test configuration and operation, network running state monitoring, network test result data statistics, query and analysis, and the like are performed in response to the user interface 60 operation. For example, the control interface 68 is utilized to adjust the two-tier connection component 61, the physical device component 62, the IT resource component 63; the data interface 69 is used to call the running state software pool component 64 and the development component 65, so as to realize unified allocation of resources (such as physics, software and the like).
The network innovation platform supports a user to customize test network topology, customize node functions and configuration thereof in the topology, and customize computation, storage and network resources on which the nodes depend. The user deploys the instance, and the network innovation platform provides basic resources of each node in the instance according to the customized instance. And installing the software package, configuring the foundation, and starting or not starting the functions of the designated nodes according to the deployment requirements.
By the method and the system of the embodiments of the application, a network system architecture can be quickly established and modified, various devices and systems are fused, quick business customization and application are realized, and an L3 layer verification protocol and key technology are focused.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application 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.
The application therefore 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 according to any of the embodiments of the application.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. 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.
Therefore, the application further provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of being executed by the processor, wherein the processor executes the computer program to realize the method according to any embodiment of the application. 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.
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 variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (11)
1. A method of data network development, comprising:
establishing a resource management layer for storing or reading at least one of the following software resources: executable software for realizing the functions of the virtual network element, network test tool software and data generated in the network test process;
establishing a service layer running device with a user-oriented network interface, wherein the service layer provides a user-oriented service interface, a data interface with a resource management layer and a control interface with an infrastructure layer;
the infrastructure layer comprises a physical or virtual network element, receives customization information through an interface between the infrastructure layer and the service layer, and generates a customized two-layer network and/or a network formed by connecting two layers of downlink;
the infrastructure layer comprises a physical or virtual test instrument, receives information through an interface between the infrastructure layer and the service layer, and tests network performance;
the infrastructure layer comprises a storage device and a server, receives customization information through an interface between the infrastructure layer and the service layer, and generates a virtual network element of the data network node;
the infrastructure layer comprises physical or virtual application equipment, receives customization information through an interface between the infrastructure layer and the service layer, and accesses an I/O interface of the virtual network element;
implementing topology customization, virtual network element customization and verification activity customization in service layer software;
the topology customization comprises the steps of establishing a link topology relationship and controlling a cross connection device to realize link connection between data network nodes;
the virtual network element customization comprises the steps of calling computing resources, storage resources and I/O resources, dynamically loading executable software for realizing network capacity, and forming a virtual data network node;
and the verification activity customization comprises the steps of dynamically adding a test end and calling a test tool to test the network.
2. The data network development method according to claim 1, further comprising a step of performing software development in service layer software, reading the development software configured by the resource management layer through a development environment provided in the service layer software and executing, generating source code and/or executable code of at least one of the following functions: virtual network element functions, network test tools, network application instances.
3. The data network development method of claim 1, further comprising the steps of:
constructing a virtual network element with user specifying capability through a virtualization technology, and realizing at least one connection among the virtual network element, a physical network element, an end application and test equipment to form a network application instance;
programs and data for implementing the network application instance are stored in a resource management layer.
4. The data network development method of claim 1, wherein,
the topology customization step further comprises the steps of:
establishing a connection relation between virtual network nodes and/or physical network nodes, realizing connection among network element ports, isolating link resources among a plurality of network topologies, and meeting preset port connection and forwarding characteristics.
5. The data network development method of claim 1, wherein the step of customizing the virtual network element further comprises: executable software including software and/or application software implementing network element functions is invoked and/or uploaded at the resource management layer.
6. A data network development system for implementing the method of any one of claims 1-5, characterized in that the system comprises means for a service layer, a resource management layer and an infrastructure layer;
the service layer is used for customizing the topology, the virtual network element and the verification activity;
the resource management layer is used for storing or reading at least one of the following software resources: executable software for realizing the functions of the virtual network element, network test tool software and data generated in the network test process;
the infrastructure layer is configured to provide: a resource-isolated connection device capable of configuring a connection relationship and a link transmission characteristic; an IT resource component that can configure computing resources, storage resources, and I/O resources;
the service layer is provided with an operation interface connected with the infrastructure layer and the resource management layer; the service layer also includes a user-oriented online operations interface.
7. The data network development system of claim 6, wherein the service layer further comprises a topology customization module, a virtual network element customization module, a verification activity customization module;
the topology customization module is used for establishing a link topology relationship and controlling the cross connection device to realize link connection between data network nodes;
the virtual network element customizing module is used for retrieving computing resources, storage resources and I/O resources to form a virtual data network node;
and the verification activity customizing module is used for dynamically adding a test terminal and calling a test tool to test the network.
8. The data network development system of claim 6, wherein the resource management layer comprises a network function software pool, a test tool pool, a network data pool;
the network function software pool is used for storing executable software for realizing the functions of the virtual network elements;
the test tool pool is used for storing network test tool software;
and the network data pool is used for storing data generated in the network test process.
9. The data network development system of claim 6, wherein the service layer further comprises a software development module;
the software development module is used for running a software development environment, reading the development software from the resource management layer and executing the development software, and generating source codes and/or executable codes of at least one of the following functions: virtual network element functions, network test tools, network application instances.
10. The data network development system of claim 6, wherein the resource management layer further comprises a development software pool;
the development software pool is used for storing an intermediate version of source code and/or executable code of the development software and at least one of the following functions: virtual network element functions, network test tools, network application instances.
11. The data network development system of claim 6, wherein the resource management layer further comprises a typical application pool;
the typical application pool is used for storing programs and data for realizing network application instances.
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