Network Security Principles and Practices

Motivation for Having Service Provider Security

For the purpose of this discussion, a service provider is defined as a large network entity that is responsible for providing network services to smaller network entities. Service providers of various sizes peer with each other to form what is known as the Internet. The reason for having this discussion is that although much security is implemented on edge networks, such as small to medium-sized corporate networks, there is a need to enhance the amount of security provided by the service provider, allowing these corporate networks to connect to each other via larger networks (the Internet) in a more secure manner. The reasons for enabling this kind of security on service provider networks are manifold. ...