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The Border Gateway Protocol defines
the basis of routing architectures in the Internet. The segregation
of networks into autonomous systems has logically defined the
administrative and political borders between organizations. Interior
Gateway Protocols can now run independently of each other, but still
interconnect via BGP to provide global routing.
With this chapter, you learned the
practical implementation details for BGP as part of the overall
design problem in building reliable Internet connectivity. This
chapter examined specific attributes of BGP and how they are applied
individually and together to address this design problem. Although
the terminology, attributes, and details of this chapter are
specific to BGP, the general concepts and problems raised are
pertinent to routing architecture design, regardless of what
specific protocols are being utilized. |