10. Managing IP Addressing

Broadband networks bring many customers and connections into a central router, which presents its own set of challenges vis-à-vis IP addressing. This chapter discusses the methods that service providers can use to better manage customer IP address assignment and routing techniques employed within these broadband networks.

Connecting many customers to a broadband network means that there are also many routes and IP addresses to manage. In traditional dial-up and broadband networks, each customer is assigned a single IPv4 and possibly an IPv6 IP address. This address is assigned to a residential gateway that either provides a NAT function (routed mode) or is directly assigned to a computer on the customer LAN (bridged ...

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