WO2015174560A1 - Dispositif et procédé pour le contrôle et l'inspection de réseau - Google Patents

Dispositif et procédé pour le contrôle et l'inspection de réseau Download PDF

Info

Publication number
WO2015174560A1
WO2015174560A1 PCT/KR2014/004310 KR2014004310W WO2015174560A1 WO 2015174560 A1 WO2015174560 A1 WO 2015174560A1 KR 2014004310 W KR2014004310 W KR 2014004310W WO 2015174560 A1 WO2015174560 A1 WO 2015174560A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
verification
control
devices
domain
Prior art date
Application number
PCT/KR2014/004310
Other languages
English (en)
Korean (ko)
Inventor
남기혁
Original Assignee
주식회사 프리스티
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 프리스티 filed Critical 주식회사 프리스티
Priority to PCT/KR2014/004310 priority Critical patent/WO2015174560A1/fr
Publication of WO2015174560A1 publication Critical patent/WO2015174560A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • 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

Definitions

  • the present invention relates to network control and verification, and more particularly, to a structure and a method for conveniently controlling the operation of a network device while guaranteeing reliability through user-defined software.
  • Network equipment such as switches provided by one vendor generally includes a data plane implementing various network protocols and a control plane for setting up and controlling such network equipment as one system. Is provided.
  • SDN Software Defined Networks
  • SDN separate the control plane and data plane of network equipment and define open interfaces between the control plane and data plane to enable interoperability between heterogeneous devices.
  • the behavior of the data plane also opens up a path that can be arbitrarily defined.
  • Open interfaces facilitate interoperability between heterogeneous devices and enable faster networking technology innovation. As a result, open interfaces are being actively applied to various environments including data centers and the cloud.
  • the technical problem to be solved by the present invention is to provide a structure and method for conveniently controlling the operation of the network device through a user-defined software while ensuring reliability.
  • An open interface provides a structure and method of a control device and a verification device for reliably defining network operation in an environment in which heterogeneous devices interoperate with each other and for detecting an unintended error.
  • the present invention is intended in the process of defining a network setting or function in a user or software defined network environment based on an open interface such as a software defined network (SDN) and the Internet of Thing (hereinafter referred to as "IoT").
  • SDN software defined network
  • IoT Internet of Thing
  • FIG. 1 is a diagram illustrating the overall structure and application of the network control and verification system according to an embodiment.
  • FIG. 2 illustrates a detailed structure of a network control and verification system according to an embodiment.
  • FIG 3 illustrates a network control and verification system applied to a network virtualization application such as a cloud, according to one embodiment.
  • FIG. 4 illustrates a network control and verification system applied to a network for a small device, such as the Internet of Things (IoT), according to one embodiment.
  • IoT Internet of Things
  • FIG. 5 is a diagram illustrating a structure for controlling the small device of FIG. 4.
  • a system for controlling and verifying a network in a network environment in which heterogeneous network devices are interlocked may include a lower interface network device and a device interface for controlling operations of the network devices; An application interface for performing communication between the lower layer network devices and the upper layer network; A network control unit controlling a networking operation between the upper layer network and the lower layer network devices; And a network verification unit verifying whether an error occurs and whether normal networking operation is possible when the network setting state set by the user through the open interface is applied to the actual network.
  • the upper layer network may include network virtualization, the Internet of Things applied to a small device, and a network application.
  • the verification unit may include an intra domain verification unit that verifies attributes of a partial network controlled by a specific network operating system (NOS) or a specific network device; And an inter domain validator configured to verify a network property related to at least one domain in the upper layer network.
  • NOS network operating system
  • inter domain validator configured to verify a network property related to at least one domain in the upper layer network.
  • a network control and verification system includes a network state base for storing information related to a network state and a network device state currently managed by a network operating system (NOS); A distributed processing module required for network control and verification operations, configured to configure a higher domain for processing network control and verification operations by connecting a domain for a network device distributed on a network and a domain for an application; And a policy management module that defines a network policy and applies the defined network policy to the network setting.
  • NOS network operating system
  • the open interface may be implemented through a software defined network.
  • any part of the specification is to “include” any component, this means that it may further include other components, except to exclude other components unless otherwise stated.
  • the terms “... unit”, “module”, etc. described in the specification mean a unit for processing at least one function or operation, which may be implemented in hardware or software or a combination of hardware and software. .
  • FIG. 1 is a diagram illustrating the overall structure and application of the network control and verification system according to an embodiment.
  • the network control and verification system 100 includes a network control device 110, a network verification device 120, an application interface 130, and a device interface 140.
  • the network control and verification system 100 actually monitors the network setting state set by the user through an open interface such as SDN in a network and network application 180 such as the Internet of Things applied to the network virtualization 160 and the small device 170. Errors that can occur when applied to the network can be verified.
  • the network virtualization 160 represents an application applied in an environment such as a cloud or a data center.
  • the network control and verification system 100 may verify whether an error occurs and normal networking operation is possible when performing the connection and control between the virtual network and the real network.
  • the small device 170 represents an application in which network functions are enhanced in devices such as home appliances, smart phones, automobiles, and home networks used in real life such as the Internet of Things (IoT).
  • the network control and verification system 100 may be applied to connect a plurality of devices to be managed by a user, such as IoT, to a network, and to prevent an error occurring in an interworking process between the plurality of devices.
  • the network application 180 represents an application mainly applied in an existing network environment such as a router, a firewall, and a virtual private network (VPN). Unlike the network environment applied to the network virtualization 160 and the small device 170, the network application 180 represents a network environment widely used in the related art.
  • VPN virtual private network
  • the network virtualization 160, the small device 170, and the network application 180 commonly use components provided by the network control and verification system 100, but have specific processing methods. And the detail module used may be different.
  • the network device 150 may be any programmable network device and may be a programmable switch.
  • the network device 150 may be an IP or non-IP based wired network device, a wireless network such as Wifi or LTE, a small wireless network device such as Bluetooth or Zigbee, or a conventional L2 switch function.
  • more than L3 functions can be added / deleted by programming.
  • the network device 150 communicates with other modules through a network, and may use an existing Internet / Intranet or apply a communication technology defined by itself.
  • the device interface 140 controls the network devices 150 and connects the upper layer application with the lower layer network devices 150. Control methods and protocols dependent on the network device 150 are processed with reference to the information and functions provided by the network control device 110.
  • the control protocol 111 and the interface conversion device 112 of the network control device 110 perform a conversion operation of an interface and a protocol when an interface or a protocol of the network device 150 that is an upper layer application and a lower layer device is different. This enables the networking operation between the upper layer application and the lower layer network devices 150.
  • the network verification apparatus 120 may be configured by a user through an open interface such as SDN in a network and network application 180 such as the Internet of Things applied to the network virtualization 160 and the small device 170 according to a predetermined verification algorithm 125. You can verify the errors that can occur when you apply the network configuration to the network.
  • the network control device 110 and the network verification device 120 are logically represented as one system, the network control device 110 and the network verification device 120 may be configured as a plurality of distributed nodes through the distributed processing module 192.
  • the application interface 130 may also be referred to as an "open API" as an open application interface unit.
  • the application interface 130 communicates between the lower layers and the network and network applications 180 such as the Internet of Things applied to the network virtualization 160 and the small device 170, and a standard network stack required for such communication. Mutual synchronization processing can be performed.
  • the network state database 191 may store information related to a network state and a network device state currently managed by a network operating system (NOS). For example, values such as topology information, link state information, flow rules, other statistical information, current attributes, and the like are stored in the network state database 191.
  • the network status database organizes data structures and operations based on graph forms optimized for network status and network equipment status.
  • the network state database uses distributed processing modules to ensure consistency even when distributed by multiple nodes. Information that is frequently used and must ensure fast response times can be stored and managed in the form of in-memory databases of key-value pairs.
  • the distributed processing module 192 is responsible for combining information about network devices and applications distributed on the network, which are required for control and verification tasks, into one consistent information. Devices and applications connected to the network are organized into separate domains for efficiency and scalability, and the sum of all these domains can represent the state of the entire network.
  • the distributed processing module 192 connects these domains to form one upper domain for processing control and verification tasks. Analyzes operations to perform control and verification operations, distributes them to multiple subdomains, and combines the results of operations performed independently in each subdomain, resulting in the upper domain configured for control and verification operations. Create a ..
  • the policy management module 193 defines a new policy and reflects the policy in the network configuration.
  • the policy is managed in an intermediate language provided by the network verification apparatus 120 to allow the property of the policy to be verified, and the verified property is used when defining a new policy.
  • the policy management module 193 may define, verify, and inquire related policies. Even when the virtual network and the external domain are linked, the related policy may be defined, verified, and inquired through the policy management module 193.
  • FIG. 2 illustrates a detailed structure of a network control and verification system according to an embodiment.
  • Network devices may be referred to as programmable switch 240.
  • the programmable switch 240 refers to all networking devices, whether IP based or wired or wireless.
  • functions beyond L3 can be added / deleted by programming.
  • the programmable switch 240 and other modules on the network may perform communication using an existing Internet / Intranet, or in some cases, may apply a communication technology defined by itself.
  • An app may have various forms, ranging from a simple learning switch to a firewall and load balancing.
  • An app may be divided into a remote app 250 and a native app 260.
  • the remote app 250 does not directly operate on a control device called NOS (Network OS) 210 that functions as a control plane, and uses an application that uses network functions in a standards-based remote procedure call method such as a REST API. Indicates.
  • NOS Network OS
  • the native app 260 operates directly in conjunction with the NOS 210, and the implementation language is also dependent on the NOS 210.
  • the remote app 250 and the native app 260 are in charge of the same function except for the interworking method.
  • the NOS 210 is a module for controlling a network device and an operation thereof, and includes a core module 211 and a network database for connecting an upper app and a programmable switch 240 of a lower layer. 212).
  • the core module 211 is a module that processes standard protocols required to control a network device.
  • the core module 211 provides a network control protocol such as IP, an Internet protocol, and the like.
  • the network database 212 is a database that stores states for all network devices controlled by the NOS 210.
  • the network database 212 is referenced not only in the NOS 210 but also in the upper app and the verification units 220 and 230.
  • the network and equipment state managed by the current NOS is stored in a module in the form of a database, and values such as topology information, link state information, flow rules, other statistical information, and current attributes are stored. Frequently used and fast response information can be implemented in the form of an in-memory database of key-value pairs, a graph-based database can be used to process network topology information, or a faster data can be processed. You can also use non-SQL based databases.
  • the network verification unit is largely divided into an inter domain verification unit 230 and an intra domain verification unit 220.
  • the inter domain verification unit 230 performs verification from the viewpoint of the entire network, and the intra domain verification unit 220 verifies attributes of a partial network controlled by a specific NOS or a specific network device.
  • a domain represents a management entity or a unit for managing a policy and a physical network and network equipment.
  • a company's entire network may be one domain.
  • You can also divide a company's entire network into different domains by building or floor.
  • You can also classify domains in various policy dimensions, including service providers or billing. Therefore, the inter domain verification unit 230 operates over several domains that can be managed by the current user, and the intra domain verification unit 220 operates exclusively for the current domain. When operating across domains, the verification process must be performed by the policy manager and verification unit of each domain.
  • the intra domain validator 220 and the inter domain validator 230 are configured by three modules, such as the policy manager 221, the search graph 222, and the converter 223.
  • the policy manager 221 reflects a specific policy when setting up a network.
  • the reflected policy is managed in an intermediate language provided by the verification unit 220, 230 and the conversion unit 223 to verify attributes or define a new policy.
  • the policy manager 221 may provide a related function for interworking with a virtual network and an external domain.
  • the conversion unit 223 is in charge of mutual conversion between a format representing a setting or a command transmitted from a higher layer and a format for internally managing information for verification and control.
  • the search graph 222 provides various verification algorithms together as a data structure for performing a specific verification process. This data structure is optimized for verification by reflecting the characteristics of network and virtualization applications, small devices and applications, and the communication protocols used, but is configured in a form independent of specific devices, applications, and protocols.
  • the inter domain validator 230 performs verification on a function or property defined in an app or a higher layer, unlike the intra domain validator 220 operating at the NOS 210 or the network device level. For example, when a match-action rule is input to a specific OpenFlow switch through an app, the inter domain validator 230 may have mutual inconsistency between these rules, or an infinite loop or black hole may occur on the structure specified by the app. Verifies whether If the attribute to be verified is related to the internal state of the NOS, the function provided by the intra domain verification unit 220 may be used. Unlike the inter domain validator 230, the inter domain validator 230 is also connected to a remote procedure call interface such as REST, and interworked with a specific NOS.
  • a remote procedure call interface such as REST
  • the inter domain validator 230 may process the verification operation in a manner independent of a specific programming implementing the app or the NOS.
  • the inter domain validator 230 may be configured to remotely input a specific input language and JSON-RPC. It also provides the ability to convert to and from procedure calls.
  • FIG 3 illustrates a network control and verification system applied to a network virtualization application, such as a cloud system, according to one embodiment.
  • the first network control and verification system 315 may occur when the virtual network management module 310 of the upper layer performs the setting operation on the virtual network through SDN, etc., when applying the setting to the lower physical network state. Verify any errors.
  • the first network control and verification system 315 receives the configuration and requirements of the upper layer from the plug-in provided in the network virtualization environment, a platform independent REST type API, an interface dependent on the network device, and the like.
  • the key attributes are verified by taking detailed information from the actual network management module.
  • the second network control and verification system 320 collects information directly from the actual network device or verifies attributes within a partial network range based on the information collected from the network controller.
  • the first network control and verification system 315 performs verification of the entire network at the upper layer, and the second network control and verification system 320 is applied to the network devices managed by a specific network device or a specific network controller at the lower layer. Only the verification is performed, and the first network control and verification system 315 and the second network control and verification system 320 may operate in conjunction with each other as necessary.
  • the first network control and verification system 315 focuses on the overall structural attribute check rather than the speed, and the second network control and verification system 320 performs the real-time check at lower layers for basic errors.
  • FIG. 4 illustrates a network control and verification system applied to a network for a small device, such as the Internet of Things (IoT), according to one embodiment.
  • IoT Internet of Things
  • small devices to which the Internet of Things (IoT) is applied are not fixed in the network control and verification system 420 according to an embodiment of the present invention, and their positions may vary, and types and numbers of devices to be controlled may vary. Do. Therefore, in order to control and verify a network for a small device such as the Internet of Things, a network control and verification scheme different from the network control and verification scheme of FIG. 3 described above is required.
  • IoT Internet of Things
  • the IoT device 410 may integrate and control devices having various interfaces such as automobiles, home networks, home appliances, and smart devices through wireless communication technologies such as Wifi, Bluetooth, and Zigbee. At this time, the control interface, operation, and properties of various devices connected to the IoT device 410 are stored in a separate database, and when the network control and verification system 420 discovers the corresponding device, You can get the module through.
  • the specific communication protocol used by the device connected to the IoT device 410 may be processed through the communication interface module, the protocol may be neutralized, and then verification may be performed through the same method as described above with reference to FIGS. 1 and 2. have.
  • FIG. 5 is a diagram illustrating a structure for controlling the small device of FIG. 4.
  • three modules such as a device module 510, a browser module 520, and a server module 530 work together to control a small device (IoT device).
  • IoT device small device
  • the device module 510 is a module for managing attributes of a small device, and may be divided into a local device and a remote device according to whether the device is directly connected to the network control and verification system 420. In addition, the device module 510 may be classified into a sensor and an actuator according to device properties. In addition, the device module 510 may be classified into a public device and a private device according to an access right.
  • the local device may be directly connected to the network control and verification system 420 to directly control a small device (IoT device), and the remote device controls the small device (IoT device) indirectly through a separate control module.
  • IoT device small device
  • the same device can be switched between local and remote depending on location and status.
  • the sensor is a device that reads data
  • the actuator is a device that can write data, and may perform a specific recording operation.
  • the device 510 may have both attributes.
  • Public devices are shared with other users or control modules, and private devices are accessible only to users.
  • the network control and verification system 420 performs verification by referring to an access control rule when verifying an access process of a public device and a private device.
  • the network control and verification system 420 blocks access to the device 510 in case of crossing an inappropriate user or sharing range.
  • the browser module 520 serves as an interface between the user and the control module, and provides the user with attribute information about the device 510 and a module for controlling the device 510.
  • the browser module 520 provides a list of devices that can be controlled at the current location and state, and provides a state and a control interface of each device.
  • the network control and verification system 420 of the present invention finds a specific IoT device, the network control and verification system 420 requests the server module 530 to transmit the information to the browser.
  • This information includes device information and device control interfaces.
  • the server module 530 and the information contained therein may be configured as a primary server module directly configured in the network control and verification system 420, and additionally, a secondary server module provided by the device 510 manufacturer.
  • Device information includes the device name and location, whether the user is shared or not, and the status.
  • the device control interface provides specific instructions for operating the device. For example, a direction control and on / off of a camera, an on / off and strategic usage measurement command for an electric outlet, and a command for operating the corresponding device for a home appliance may be controlled through the device control interface.
  • the specific device When a user accesses a specific device through the browser module 520, the specific device may be controlled within a range without departing from access and operation rights for the device stored in the server module 530. The user cannot perform actions beyond the permissions and rules defined on the server.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un système qui contrôle et inspecte un réseau dans un environnement de réseau dans lequel des dispositifs de réseau hétérogènes sont reliés. Le système de contrôle et d'inspection de réseau comprend : une interface de dispositif pour le contrôle des opérations des dispositifs de réseau de plus bas niveau et les dispositifs de réseau ; une interface d'application pour établir la communication entre les dispositifs de réseau de plus bas niveau et un réseau de plus haut niveau ; un contrôleur de réseau pour le contrôle des opérations de mise en réseau entre le réseau de plus haut niveau et les dispositifs de réseau de plus bas niveau ; et une unité d'inspection de réseau pour l'inspection de la survenue d'erreur et de la possibilité d'opérations de mise en réseau normales, quand un état de réglage de réseau réglé par un utilisateur au moyen d'une interface ouverte est appliqué à un réseau réel.
PCT/KR2014/004310 2014-05-14 2014-05-14 Dispositif et procédé pour le contrôle et l'inspection de réseau WO2015174560A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/004310 WO2015174560A1 (fr) 2014-05-14 2014-05-14 Dispositif et procédé pour le contrôle et l'inspection de réseau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/004310 WO2015174560A1 (fr) 2014-05-14 2014-05-14 Dispositif et procédé pour le contrôle et l'inspection de réseau

Publications (1)

Publication Number Publication Date
WO2015174560A1 true WO2015174560A1 (fr) 2015-11-19

Family

ID=54480091

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/004310 WO2015174560A1 (fr) 2014-05-14 2014-05-14 Dispositif et procédé pour le contrôle et l'inspection de réseau

Country Status (1)

Country Link
WO (1) WO2015174560A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106302254A (zh) * 2016-07-29 2017-01-04 山东大学苏州研究院 一种基于sdn的物联网络数据转发系统
WO2017091021A1 (fr) * 2015-11-24 2017-06-01 삼성전자주식회사 Serveur de service de domicile intelligent et son procédé de commande
US11277278B2 (en) 2015-11-24 2022-03-15 Samsung Electronics Co., Ltd. Smart home service server and control method therefor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080080512A1 (en) * 2006-09-29 2008-04-03 Sergei Gofman Method for supporting IP network interconnectivity between partitions in a virtualized environment
KR20120072240A (ko) * 2010-12-23 2012-07-03 한국전자통신연구원 네트워크 가상화 기술을 이용하여 가상 전용망을 구성하기 위한 장치 및 그 방법
US20130227171A1 (en) * 2012-02-24 2013-08-29 Electronics And Telecommunications Research Institute Apparatus and method for interconnecting heterogeneous networks
KR20140049115A (ko) * 2012-10-12 2014-04-25 한국전자통신연구원 소프트웨어 정의 네트워킹 환경에서 다중 제어기를 지원하는 방법 및 시스템
KR20140052835A (ko) * 2012-10-19 2014-05-07 한국전자통신연구원 개방형 프로그래머블 네트워크 제어 및 검증 시스템 그리고 그 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080080512A1 (en) * 2006-09-29 2008-04-03 Sergei Gofman Method for supporting IP network interconnectivity between partitions in a virtualized environment
KR20120072240A (ko) * 2010-12-23 2012-07-03 한국전자통신연구원 네트워크 가상화 기술을 이용하여 가상 전용망을 구성하기 위한 장치 및 그 방법
US20130227171A1 (en) * 2012-02-24 2013-08-29 Electronics And Telecommunications Research Institute Apparatus and method for interconnecting heterogeneous networks
KR20140049115A (ko) * 2012-10-12 2014-04-25 한국전자통신연구원 소프트웨어 정의 네트워킹 환경에서 다중 제어기를 지원하는 방법 및 시스템
KR20140052835A (ko) * 2012-10-19 2014-05-07 한국전자통신연구원 개방형 프로그래머블 네트워크 제어 및 검증 시스템 그리고 그 방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017091021A1 (fr) * 2015-11-24 2017-06-01 삼성전자주식회사 Serveur de service de domicile intelligent et son procédé de commande
US11277278B2 (en) 2015-11-24 2022-03-15 Samsung Electronics Co., Ltd. Smart home service server and control method therefor
CN106302254A (zh) * 2016-07-29 2017-01-04 山东大学苏州研究院 一种基于sdn的物联网络数据转发系统

Similar Documents

Publication Publication Date Title
CN104753697B (zh) 一种控制网络设备自动开局的方法、设备及系统
CN105144110A (zh) 基于网络活动自动配置外部服务
Ojugo et al. Mitigating technical challenges via redesigning campus network for greater efficiency, scalability and robustness: A logical view
CN107637043B (zh) 用于约束环境中资源管理的业务提供方法、系统和装置
CN103763367A (zh) 一种云计算数据中心分布式虚拟网络设计方法及系统
CN102271053A (zh) 自动化迁移中的网络重配置的方法和系统
WO2014021856A1 (fr) Gestion d'une interface entre une application et un réseau
US11146643B2 (en) Message bus agent apparatus, signaling server, message bus management server, connection establishment method, and program
CN106790759B (zh) 基于SDN的IPv4/IPv6转换系统和方法
CN106027569A (zh) 一种防火墙管理方法、主节点、从节点及集群
CN105703960A (zh) 基于sdn的网络功能管理系统及方法
WO2015174560A1 (fr) Dispositif et procédé pour le contrôle et l'inspection de réseau
KR102120548B1 (ko) 클라우드 기반의 IoT 네트워크 가상화 시스템 및 네트워킹 방법
KR20150095843A (ko) 네트워크 능력을 개방하기 위한 시스템 및 방법과, 관련 네트워크 요소
US20140115126A1 (en) System for controlling and verifying open programmable network and method thereof
CN104363306A (zh) 一种企业私有云管理控制方法
Romanov et al. Construction of the SDN Control Level Based on ONOS
US20150172215A1 (en) Apparatus for Network Bridging
CN110764987A (zh) 基于虚拟化技术的网络仿真测试系统中硬件设备接入方法
Moeyersons et al. Pluggable SDN framework for managing heterogeneous SDN networks
CN105429884A (zh) 通过终端来管理不同网络中路由器的方法和系统
Rotsos et al. Reasonet: Inferring network policies using ontologies
CN204129980U (zh) 一种可以远程控制的计算机网络实验室
CN112994942B (zh) 一种sdn控制方法及装置
Lavinal et al. A generic multi-agent conceptual framework towards self-management

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14892180

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 10.03.2017)

122 Ep: pct application non-entry in european phase

Ref document number: 14892180

Country of ref document: EP

Kind code of ref document: A1