@techreport{despres-v6ops-apbp-01, number = {draft-despres-v6ops-apbp-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-despres-v6ops-apbp/01/}, author = {Rémi Després}, title = {{A Scalable IPv4-IPv6 Transition Architecture Need for an address-port-borrowing-protocol (APBP)}}, pagetotal = 11, year = 2008, month = jul, day = 14, abstract = {This document discusses, for the IPv4-IPv6 coexistence period, the combined requirement that: (1) legacy IPv4 hosts can establish IPv4 transport connection s from customer sites having IPv6-only permanent addresses; (2) for good scalability, no network address translations (NATs), and a fortiori no application level gateways (ALGs), need to be supported within network infrastructures. To satisfy this requirement, it is concluded that an address-port-borrowing-protocol (APBP) is needed.}, }