Stanford Networking Seminar

12:15PM, Thursday August 11, 2011
Gates 104

Broadband Internet Performance: A View From the Gateway

Srikanth Sundaresan
Georgia Tech

About the talk:
We present the first study of network access link performance measured directly from home gateway devices. Policymakers, ISPs, and users are increasingly interested in studying the performance of Internet access links. Because of many confounding factors in a home network or on end hosts, however, thoroughly understanding access network performance requires deploying measurement infrastructure in users’ homes as gateway devices. In conjunction with the Federal Communication Commission’s study of broadband Internet access in the United States, we study the throughput and latency of network access links using longitudinal measurements. We study the performance users achieve and how various factors ranging from the user’s choice of modem to the ISP’s traffic shaping policies can affect performance. Our study yields many important findings about the characteristics of existing access networks. Our findings also provide insights into the ways that access network performance should be measured and presented to users, which can help inform ongoing broader efforts to benchmark the performance of access networks.

About the speaker:
Srikanth is a PhD student at the Georgia Institute of Technology, Atlanta, USA, where he works with Professor Nick Feamster. His current research interests include understanding home broadband Internet performance across all layers. He has also worked on intra-domain traffic engineering, and efficient Sensor Network protocols. Prior to joining Georgia Tech, he received a Masters in Computer Engineering from the University of Massachusetts Amherst, USA, and a Bachelors in Electrical Engineering from the National Institute of Technology, Jaipur, India.