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GDPlan: Generative Network Planning via Graph Diffusion Model

delete2025-01-01
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PRE
AI
N
Nuowen Kan
邹
邹君妮 (Junni Zou)
W
Wenrui Dai
X
Xing Gao
李
李成林 (Chenglin Li)
熊
熊红凯 (Hongkai Xiong)
DOI:10.1109/TON.2025.3535518delete
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摘要

摘要

En 中文
网络规划对于在有限的网络运营成本下促进网络服务至关重要。然而,由于问题求解的高计算开销,将网络拓扑(即物理和IP链路的连接与容量)适应时变和随机网络状态具有挑战性。现有的基于深度学习的方法由于需要同时求解IP链路容量和分配的流量,或通过启发式规则迭代探索搜索空间并使用过多样本,导致计算复杂度过高。本文提出GDPlan,首个利用条件图扩散模型应对该挑战的生成式框架。为提高求解效率,GDPlan将网络规划解耦为两个独立阶段,即生成IP链路容量的多样化高质量解和基于可行性约束的解优化。具体而言,我们开发了面向生成的图信号建模,将求解IP链路容量重新表述为基于与流量需求、物理链路和网络成本相关的图信号生成图拓扑。因此,通过基于分数的图扩散模型实现了能量引导的可控图生成,能够捕捉图拓扑的显著结构模式,并在特定目标或约束下生成多样化且保证可行性的解。GDPlan成功地实现了基于图生成的网络规划解决方案,其求解速度比商业求解器Gurobi快一个数量级。实验结果表明,与Gurobi相比,所提出的GDPlan以仅约7.5%的平均运行时间获得了3.7%最低的平均差距。
Keyword:
Network planning
graph generation
graph diffusion model

期刊

I
IEEE Transactions on Networking
IF:
0
论文数:
551
被引数:
0

机构

S
shanghai jiao tong university
学者数:
15.7W
论文数: 11.7W
被引数: 159
S
Shanghai Artificial Intelligence Laboratory
学者数:
475
论文数: 261
被引数: 765
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