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Network element and controller for managing the network element

A network element and controller technology, which is applied to the computer program of the controller, the network element of the management software-limited network, the network element and the controller of the software-limited network, and can solve the problems of time-consuming, large amount of necessary data, etc.

Inactive Publication Date: 2015-05-27
TELLABS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the configuration system of a network element can be large, and thus, it may take time to verify the entire configuration system, and moreover, the amount of necessary data that needs to be transferred between the controller and the network element may be large

Method used

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  • Network element and controller for managing the network element
  • Network element and controller for managing the network element
  • Network element and controller for managing the network element

Examples

Experimental program
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Embodiment Construction

[0044] figure 1 A schematic diagram of an exemplary Software Defined Network "SDN" 100 is shown. The software defined network includes network elements 101 , 102 , 103 and 104 . The software defined network 100 further comprises controllers 105 and 106 which can be considered as constituting the controller system of the software defined network. The exemplary software defines network elements 101-104 and figure 1 The data transmission links shown in are connected to each other. Additionally, the exemplary Software Defined Network "SDN" 100 may include figure 1 Other network elements shown in . Each network element may be, for example, an Internet Protocol "IP" router, a Multiprotocol Label Switching "MPLS" node, a packet optical switch, and / or an Ethernet switch. Each network element may consist of a single device or a combination of multiple devices. Also, each controller 105 and 106 may be constituted by a single device or a combination of a plurality of devices. exis...

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PUM

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Abstract

A network element (101-104) of a software-defined network is adapted to construct a configuration system on the basis of configuration data received from a controller (105, 106) of the software-defined network. The network element is arranged to transmit, in response to an event indicating a need to verify the configuration system, status information to the controller. The event may comprise for example a loss and a subsequent re-establishment of a connection between the network element and the controller. The status information indicates a first portion of the configuration data which has been implemented in the configuration system prior to the event. After receiving the status information, the controller is able transmit an appropriate second portion of the configuration data to the network element so as to enable verification of an appropriate portion of the configuration system. Thus, there is no need to verify the whole configuration system after the event.

Description

technical field [0001] The present invention relates generally to Software Defined Networking "SDN". More specifically, the present invention relates to network elements for software-defined networks and controllers for software-defined networks. Furthermore, the invention relates to a method for enabling a controller of a software defined network to manage a network element, and a method for managing a network element of a software defined network. Furthermore, the invention relates to a computer program for a network element of a software-defined network, and a computer program for a controller of a software-defined network. Background technique [0002] Software-defined networking is an emerging architecture for data transport networks. In Software Defined Networking "SDN", the control plane is separated from the data plane by implementing the control plane in one or more controllers separate from the network elements and implementing the data plane in the network eleme...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L12/24
CPCH04L41/0654H04L41/0866H04L41/342H04L41/0803H04L41/0869
Inventor 维莱·哈利沃里茱哈马蒂·库西萨里萨米·芬纳
Owner TELLABS
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