@misc{rfc5596, series = {Request for Comments}, number = 5596, howpublished = {RFC 5596}, publisher = {RFC Editor}, doi = {10.17487/RFC5596}, url = {https://www.rfc-editor.org/info/rfc5596}, author = {Gorry Fairhurst}, title = {{Datagram Congestion Control Protocol (DCCP) Simultaneous-Open Technique to Facilitate NAT/Middlebox Traversal}}, pagetotal = 25, year = 2009, month = sep, abstract = {This document specifies an update to the Datagram Congestion Control Protocol (DCCP), a connection-oriented and datagram-based transport protocol. The update adds support for the DCCP-Listen packet. This assists DCCP applications to communicate through middleboxes (e.g., a Network Address Port Translator or a DCCP server behind a firewall), where peering endpoints need to initiate communication in a near- simultaneous manner to establish necessary middlebox state. {[}STANDARDS-TRACK{]}}, }