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Pricing and Efficiency in the Market for IP Addresses

Working Paper
  • Benjamin Edelman
  • Michael Schwarz
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7090)

Abstract

We consider market rules for the transfer of IP addresses, numeric identifiers required by all computers connected to the Internet. Excessive fragmentation of IP address blocks causes growth in the Internet’s routing table, which is socially costly, so an IP address market should discourage subdividing IP address blocks more than necessary. Yet IP address transfer rules also need to facilitate purchase by the networks that need the addresses most, from the networks who value them least. We propose a market rule that avoids excessive fragmentation while almost achieving social efficiency, and we argue that implementation of this rule is feasible despite the limited powers of central authorities. We also offer a framework for the price trajectory of IPv4 addresses. In a world without uncertainty, the unit price of IPv4 is constant before the first time when all blocks of IPv4 addresses are in use and decreasing after that time. With uncertainty, the price before that time is a martingale, and the price trajectory afterwards is a supermartingale.

Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Benjamin Edelman
    • 1
  • Michael Schwarz
    • 2
  1. 1.Harvard Business SchoolUSA
  2. 2.Yahoo ResearchUSA

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