Virtual optical network multilayer resource convergence method and system

A technology of virtual optical network and network resources, applied in the field of resource aggregation in data center optical networking, it can solve problems such as inability to adapt to low-cost and high-efficiency requirements, achieve global optimization, resource utilization advantages, and improve aggregation optimization effect of ability

Active Publication Date: 2016-03-09
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

With the rapid development of data center services, the existing network deployment using optical

Method used

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  • Virtual optical network multilayer resource convergence method and system
  • Virtual optical network multilayer resource convergence method and system
  • Virtual optical network multilayer resource convergence method and system

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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

The embodiments of the invention provide a virtual optical network multilayer resource convergence method and system. An application controller and a network controller are used for carrying out combined management and scheduling on global network resources, and global optimization of multilayer resource combined interaction is realized. The virtual optical network multilayer resource convergence system comprises a multilayer resource convergence unit, a virtual resource management unit, a virtual path calculating unit, a configuration management unit, a resource database and a business management unit. The virtual optical network multilayer resource convergence method comprises the steps of control state activation, application resource judgment, application resource convergence, network path calculation, path time delay calculation, flow constraint judgment, single-flow path network resource judgment, multi-flow path calculation, multi-flow path network resource calculation, multi-flow path network resource judgment and the like. The method and system are adopted to respond a virtual network request, the path blocking probability is lowered, and the network resources and the application resources are flexibly converged.

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, the software-defined network (SoftDefined 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 for short) 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 transponders and virtual path calculation unit, and then aggregate these small resource units to achieve high performance requirements. With the rapid development ...

Claims

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Application Information

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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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