Routing Policy
One policy activity that has been around on the Internet for a while is the concept of routing policies. Although such a policy has little in common with the types of policies we have considered in this book, I would like to cover this topic briefly.
The Internet consists of many independent IP networks that interconnect with each other at peering points. Some of these networks belong to enterprises that do not want to carry packets belonging to other entities through their private networks. Other networks belong to ISPs that are willing to act as transit points to other networks. Different domains within the network have their own policies for how they route packets through the network and which packets they will not accept for ...
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