This chapter examines some of the advanced uses for the Internet Protocol that
are being developed and are gaining in importance in the world of networking.
Some techniques have been around for a while and are well established, and
others are more experimental. Each has a clear application within the Internet
that makes it a technology that is particularly relevant to users.
Many uses of IP require a special technique whereby IP traffic is passed
from one point in the network to another without examination by transit nodes.
This process is called tunneling and it ...
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