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A virtual optical network multi-layer resource aggregation method and system

A virtual optical network and virtual network technology, which is applied in the field of resource aggregation in data center optical networking, can solve the problems of being unable to meet the needs of low cost and high efficiency, achieve global optimization, resource utilization advantages, and improve aggregation optimization effect of ability

Active Publication Date: 2021-06-22
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the rapid development of data center services, the existing network deployment using optical hardware as the communication infrastructure cannot meet the needs of low cost and high efficiency

Method used

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  • A virtual optical network multi-layer resource aggregation method and system
  • A virtual optical network multi-layer resource aggregation method and system
  • A virtual optical network multi-layer resource aggregation method and system

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Experimental program
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Embodiment Construction

[0035] The resource aggregation mentioned in the present invention refers to integrating physical resources (including application resources and network resources) of different nodes or links, and mapping them to nodes or links of a virtual optical network.

[0036] The application resources mentioned in the present invention refer to computing resources and storage resources of physical nodes serving the application layer.

[0037] The network resource in the present invention refers to the spectrum resource in the optical network, such as the carrier resource in WDM, which is called "spectrum fragment" when expressed in frequency grid.

[0038] The core purpose of the present invention is to jointly schedule network resources and application resources to realize a multi-layer resource aggregation system, and through the method of resource aggregation, the resources available in the network are aggregated together to maximize resource utilization. Address resource shortages. ...

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Abstract

Embodiments of the present invention provide a method and system for converging multi-layer resources of a virtual optical network, through joint management and scheduling of global network resources by an application controller and a network controller, global optimization of joint interaction of multi-layer resources is realized. The virtual optical network multi-layer resource aggregation system of the present invention includes: a multi-layer resource aggregation unit, a virtual resource management unit, a virtual path calculation unit, a configuration management unit, a resource database, and a service management unit. A virtual optical network multi-layer resource aggregation method, including control state activation, application resource judgment, application resource aggregation, network path calculation, path delay calculation, flow constraint judgment, single-flow path network resource judgment, multi-flow path calculation, multi-flow path Steps such as network resource calculation, multi-flow path network resource judgment, etc. By adopting the method and system of the present invention to respond to virtual network requests, the probability of path blocking can be reduced, and network resources and application resources can be gathered flexibly.

Description

technical field [0001] The present invention relates to the technical field of communication computers, in particular to a resource aggregation method and system for data center optical networking of multi-layer resources. Background technique [0002] In recent years, software-defined network (Soft Defined Network, referred to as SDN) provides great flexibility for operators to build resource aggregation networks, and adopts unified control of multiple resources to jointly optimize functions and services globally. [0003] Network Function Virtualization (NFV) technology is considered to be the core technology of the future network. It can shield the complex relationship and restrictions of the physical network, and divide the original network and its functions into basic units, such as fragmentable responses. Servers and virtual path computing units, and then aggregate these small resource units to achieve high performance requirements. With the rapid development of data ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/911H04L12/24
CPCH04L41/5051H04L47/783H04L47/827
Inventor 杨辉朱晓旭赵永利张杰郁小松
Owner BEIJING UNIV OF POSTS & TELECOMM
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