Notes on P2P Blocking and Evasion

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In preparation for the IETF P2P Infrastructure Workshop, I've revised and expanded this post into a "position paper submission.

Introduction

In mid-2007 it was revealed [4] that Comcast was blocking peer-to-peer traffic (most famously BitTorrent) on their network by injecting RST packets to terminate TCP [7] connections. The BitTorrent community almost immediately discovered carrying BitTorrent over an encrypted tunnel (VPN or SSH) was not subject to blocking, thus completing another cycle of the ongoing arms race between peer-to-peer implementors and network operators. This paper explores some predictable next moves in the game and their consequences for the network.

This isn't intended to be comprehensive, because the request was for short papers, but I think it hits the high points. You can find the full note here.

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