用于灵活以太网和波分复用混合网的分级业务调度方法

By calculating service importance and using a hierarchical routing cost model, the service path selection and resource allocation of the FlexE-over-WDM network are optimized, solving the problem of low overall network satisfaction in existing technologies and achieving efficient resource utilization and improved service success rate.

CN117938779BActive Publication Date: 2026-07-17BEIJING UNIV OF POSTS & TELECOMM

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING UNIV OF POSTS & TELECOMM
Filing Date
2023-12-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies have failed to effectively address routing and resource allocation issues in FlexE-over-WDM networks, resulting in low overall network satisfaction and the potential for excessively rapid consumption of node resources, which may fail to meet the resource allocation needs of relatively downstream services.

Method used

By calculating the importance of services, service queues are formed, and a routing cost model that combines link resource utilization and enhanced capabilities is used to select service paths and allocate resources in a hierarchical manner, including different routing cost models for primary and secondary services, thereby optimizing the resource allocation process.

Benefits of technology

It improved overall network satisfaction, saved PHY and router card resources, increased the number of successfully activated services, and enhanced network service satisfaction.

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Abstract

本发明提供一种用于灵活以太网和波分复用混合网的分级业务调度方法,其包括:根据带宽、端到端时延和可靠性确定业务重要度的计算公式;根据业务重要度的计算公式,为所有业务计算业务重要度值,并按照业务重要度值的大小对各业务进行排序,形成业务队列;在业务队列中依次取出队头业务,并对队头业务进行路由规划,得到队头业务的业务路径;在队头业务的业务路径上的每一跳端节点间进行FlexE Group资源分配,分配成功后更新网络资源状况,再进行下一条业务路径的选择和资源分配。本发明能够在路径选择和资源分配过程中,尽可能地最大化网络的综合满意度,同时节省PHY和路由器卡资源。
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