Scalable Routing in a City-Scale Wi-Fi Network for Disaster Recovery
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866912317229236224 |
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| author | Liu, Ziqian Chabra, Om Lynch, James Li, Chenning Ghobadi, Manya Balakrishnan, Hari |
| author_facet | Liu, Ziqian Chabra, Om Lynch, James Li, Chenning Ghobadi, Manya Balakrishnan, Hari |
| contents | In this paper, we present a new city-scale decentralized mesh network system suited for disaster recovery and emergencies. When wide-area connectivity is unavailable or significantly degraded, our system, MapMesh, enables static access points and mobile devices equipped with Wi-Fi in a city to route packets via each other for intra-city connectivity and to/from any nodes that might have Internet access, e.g., via satellite. The chief contribution of our work is a new routing protocol that scales to millions of nodes, a significant improvement over prior work on wireless mesh and mobile ad hoc networks. Our approach uses detailed information about buildings from widely available maps--data that was unavailable at scale over a decade ago, but is widely available now--to compute paths in a scalable way. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_06406 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Scalable Routing in a City-Scale Wi-Fi Network for Disaster Recovery Liu, Ziqian Chabra, Om Lynch, James Li, Chenning Ghobadi, Manya Balakrishnan, Hari Networking and Internet Architecture In this paper, we present a new city-scale decentralized mesh network system suited for disaster recovery and emergencies. When wide-area connectivity is unavailable or significantly degraded, our system, MapMesh, enables static access points and mobile devices equipped with Wi-Fi in a city to route packets via each other for intra-city connectivity and to/from any nodes that might have Internet access, e.g., via satellite. The chief contribution of our work is a new routing protocol that scales to millions of nodes, a significant improvement over prior work on wireless mesh and mobile ad hoc networks. Our approach uses detailed information about buildings from widely available maps--data that was unavailable at scale over a decade ago, but is widely available now--to compute paths in a scalable way. |
| title | Scalable Routing in a City-Scale Wi-Fi Network for Disaster Recovery |
| topic | Networking and Internet Architecture |
| url | https://arxiv.org/abs/2504.06406 |