12. Security in Broadband Networks

The Internet is still a friendly place with friendly people. They are your neighbors, and they have home networks just like you do. However, there are lines of delineation between zones of trust, and just as there are doors on houses and businesses, there are gateways between points on broadband networks. This chapter describes the security concerns that face service providers and presents some solutions.

Broadband Network Gateways (BNGs) are IP aggregation points for thousands of customers. It is important to note that the BNG is the IP termination point where routing occurs and where the IP service starts. The other elements, such as residential gateways, access nodes, and Ethernet aggregation networks, provide ...

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