Cooperative Bandwidth Resource Reservation Method for Distribution Substation Based on Joint Constraints of Multi-Scale Latency Requirements

李莉; 孙海波; 陆珊珊

doi:10.3969/j.issn.1008-0198.2025.06.020

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Cooperative Bandwidth Resource Reservation Method for Distribution Substation Based on Joint Constraints of Multi-Scale Latency Requirements

更新时间：2026-02-06

- Cooperative Bandwidth Resource Reservation Method for Distribution Substation Based on Joint Constraints of Multi-Scale Latency Requirements
- Vol. 45, Issue 6, Pages: 147-154(2025)
- 作者机构：
  
  国网冀北电力有限公司经济技术研究院,北京,100038
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1008-0198.2025.06.020
  CLC： TM621
- Online First：13 January 2026，
  
  Published：2025
- 稿件说明：
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李莉, 孙海波, 陆珊珊. 基于多尺度时延要求联合约束的配电主站带宽资源协同预留方法[J]. 湖南电力, 2025, 45(6): 147-154.

李莉, 孙海波, 陆珊珊. Cooperative Bandwidth Resource Reservation Method for Distribution Substation Based on Joint Constraints of Multi-Scale Latency Requirements[J]. 2025, 45(6): 147-154.
李莉, 孙海波, 陆珊珊. 基于多尺度时延要求联合约束的配电主站带宽资源协同预留方法[J]. 湖南电力, 2025, 45(6): 147-154. DOI： 10.3969/j.issn.1008-0198.2025.06.020.

李莉, 孙海波, 陆珊珊. Cooperative Bandwidth Resource Reservation Method for Distribution Substation Based on Joint Constraints of Multi-Scale Latency Requirements[J]. 2025, 45(6): 147-154. DOI： 10.3969/j.issn.1008-0198.2025.06.020.

摘要

为了满足差异化业务多尺度时延要求

并保障资源冗余度

需对算力负荷数据传输路径上的多跳中继站点进行带宽资源的协同分配与优化。为此

提出一种基于多尺度时延要求联合约束的配电主站带宽资源协同预留方法。首先建立适应算力负荷时空转移的配电主站带宽资源协同预留系统模型

然后设计给定带宽资源约束下面向多尺度时延要求的单站点带宽资源分配优化问题

最后在差异化可用带宽资源约束下

构建面向多站点的带宽资源协同预留优化问题

基于各站点资源分配最优解反馈

设计自适应注水策略求解。仿真分析表明

所提方法通过独特的资源预留机制

灵活适应多元配电业务的随机接入及时延敏感特性

保障配电主站算力负荷的时空转移能力

助力分布式算力效用的高效发挥。

Abstract

In order to meet the multiscale latency requirements of differentiated services while maintaining resource redundancy

it is necessary for the relay nodes involved in the multi-hop data transmission paths of computational load source-destination to coordinate the allocation of bandwidth resources. A collaborative bandwidth resource reservation method for distribution substations based on joint multiscale latency constraints is proposed. First

a system model for cooperative bandwidth resource reservation at distribution substations

adapted to computational load spatiotemporal transfer

is established. Next

an optimization problem for single-substation bandwidth resource allocation under given bandwidth constraints and aimed at multi-scale delay requirements is designed. Finally

under differentiated available bandwidth constraints

a cooperative reservation optimization problem for multi-substation bandwidth resources is formulated. An adaptive water-filling strategy is designed to solve this problem based on the feedback of the optimal solutions for resource allocation at each substation. Simulations analysis show that the proposed method

via its unique resource reservation mechanism

flexibly adapts to random access and latencysensitive characteristics of heterogeneous distribution services

ensures the spatiotemporal transfer capabilities of computational load indistribution substations

and facilitates the efficient utilization of distributed compute resources.

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