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D R A F T 2.5 W. B. Norton Last Modified: 05/30/2001
 

Summary: D R A F T 2.5 W. B. Norton
Last Modified: 05/30/2001
Internet Service Providers and Peering
William B. Norton
Abstract
Internet Service Provider (ISP) peering has
emerged as one of the most important and effective
ways for ISPs to improve the efficiency of their
operation. Peering is defined as "a business
relationship whereby ISPs provide connectivity to
each others' customers." ISPs seek peering
relationships primarily for two reasons. First, peering
decreases the reliance on and therefore the cost of
purchased Internet transit. As the single greatest
operating expense, ISPs seek to minimize these
telecommunications costs. Second, peering lowers
inter-Autonomous System (AS) traffic latency. Peering
traffic exchanged between two peering ISPs is
necessarily taking the lowest latency path. So how is
peering done?

  

Source: Akella, Aditya - Department of Computer Sciences, University of Wisconsin at Madison

 

Collections: Computer Technologies and Information Sciences