Distilling the Internet’s Application Mix from Packet-Sampled Traffic

As the Internet continues to grow both in size and in terms of the volume of traffic it carries, more and more networks in the different parts of the world are relying on an increasing number of distinct ways to exchange traffic with one another. As a result, simple questions such as “What is the application mix in today’s Internet?” may produce non-informative simple answers unless they are refined by specifying the vantage point where the traffic is observed, the networks that are involved, or even the type of interconnection used.