Dynamic Host Configuration Protocol (DHCP) Option for Port Set Assignment
Comcast
Comcast
Comcast
Nokia
France Telecom
Because of the exhaustion of the IPv4 address space, several techniques have been proposed to share the same IPv4 address among several uses. As an alternative to introducing a level of NAT in the provider's core network, this document provides a mechanism to assign non-overlapping layer 4 port sets to users assigned with the same IPv4 address: Port Set DHCPv4 Option.