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CITP Seminar: Maria Apostolaki – It Takes Two to Tango: Cooperative Edge-to-Edge Routing

Tuesday, February 7, 2023
12:30 pm - 1:30 pm


306 Sherrerd Hall
Photo Maria Apostolaki

Video available here.

In their unrelenting quest for lower latency, cloud providers are deploying servers closer to their customers and enterprises are adopting paid Network-as-a-Service (NaaS) offerings with performance guarantees. Unfortunately, these trends contribute to greater industry consolidation, benefiting larger companies and well-served regions while leaving little room for smaller cloud providers and enterprises to flourish. Instead, we argue that the public Internet could offer good enough performance if only edge networks could control wide-area routing.

More concretely, we envision an incrementally deployable system, namely Tango, that allows individual pairs of edge networks (e.g., access, enterprise, and data-center networks) to optimize Internet paths between them without collaboration from the Internet core. Tango relies on the cooperation between the two edge networks to expose more wide-area paths, and achieve accurate and trustworthy monitoring. Tango has the potential to fight the industry consolidation and the associated privacy, financial, and political risks.


Maria Apostolaki joined Princeton University as an Assistant Professor of Electrical and Computer Engineering in August 2022. She is associated with the CS Department, CITP and DeCenter. Her research draws from networking, security, blockchain, and machine learning. Overall, her goal is to design and build networked systems that are secure, reliable and performant.