Chapter 7. Internet Module

This chapter covers the following topics:

Understanding Addressing and Routing in the Internet Module

Establishing Internet Module Redundancy

Implementing Security Measures

Resilient Border Gateway Protocol (BGP) Design

Using Network Address Translation (NAT)

The Internet module is the building block that connects a corporate network to the Internet. With increased reliance on the Internet for connectivity purposes, the Internet module design has also undergone changes with respect to redundancy and security to support business continuity. The security aspect has been under the spotlight because of the emergence of denial-of-service (DoS) attacks on critical business websites.

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