September 2016
Intermediate to advanced
1152 pages
47h 48m
English
Imagine what today’s Internet would be like if the whole thing was routed by a single routing protocol such as OSPF or IS-IS. The visibility of every subnet address would make stability almost impossible. Security would be a nightmare because an attack against the routing protocol—or even an innocent configuration error—could bring down the entire Internet. And who would administer it? How would we coordinate an upgrade or enhancement of the protocol among all the network administrators around the world?
As the ARPANET, the precursor to the modern Internet, began growing large in the late 1970s, these issues were quite real, and efforts were begun to create a scalable way to manage the network. The fundamental ...
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