rfc9407v3.txt		rfc9407.txt
	Internet Research Task Force (IRTF) J. Detchart		Internet Research Task Force (IRTF) J. Detchart
	Request for Comments: 9407 ISAE-SUPAERO		Request for Comments: 9407 ISAE-SUPAERO
	Category: Experimental E. Lochin		Category: Experimental E. Lochin
	ISSN: 2070-1721 ENAC		ISSN: 2070-1721 ENAC
	J. Lacan		J. Lacan
	ISAE-SUPAERO		ISAE-SUPAERO
	V. Roca		V. Roca
	INRIA		INRIA
	May 2023		June 2023
	Tetrys: An On-the-Fly Network Coding Protocol		Tetrys: An On-the-Fly Network Coding Protocol
	Abstract		Abstract
	This document describes Tetrys, which is an on-the-fly network coding		This document describes Tetrys, which is an on-the-fly network coding
	protocol that can be used to transport delay-sensitive and loss-		protocol that can be used to transport delay-sensitive and loss-
	sensitive data over a lossy network. Tetrys may recover from		sensitive data over a lossy network. Tetrys may recover from
	erasures within an RTT-independent delay thanks to the transmission		erasures within an RTT-independent delay thanks to the transmission
	of coded packets. This document is a record of the experience gained		of coded packets. This document is a record of the experience gained
	skipping to change at line 104 ¶		skipping to change at line 104 ¶
	Authors' Addresses		Authors' Addresses
	1. Introduction		1. Introduction
	This document is a product of and represents the collaborative work		This document is a product of and represents the collaborative work
	and consensus of the Coding for Efficient NetWork Communications		and consensus of the Coding for Efficient NetWork Communications
	Research Group (NWCRG). It is not an IETF product or an IETF		Research Group (NWCRG). It is not an IETF product or an IETF
	standard.		standard.
	This document describes Tetrys, which is an on-the-fly network coding		This document describes Tetrys, which is an on-the-fly network coding
	protocol that can be used to transport delay-sensitive and and loss-		protocol that can be used to transport delay-sensitive and loss-
	sensitive data over a lossy network. Network codes were introduced		sensitive data over a lossy network. Network codes were introduced
	in the early 2000s [AHL-00] to address the limitations of		in the early 2000s [AHL-00] to address the limitations of
	transmission over the Internet (delay, capacity, and packet loss).		transmission over the Internet (delay, capacity, and packet loss).
	While network codes have seen some deployment fairly recently in the		While network codes have seen some deployment fairly recently in the
	Internet community, the use of application-layer erasure codes in the		Internet community, the use of application-layer erasure codes in the
	IETF has already been standardized in the RMT [RFC5052] [RFC5445] and		IETF has already been standardized in the RMT [RFC5052] [RFC5445] and
	FECFRAME [RFC8680] Working Groups. The protocol presented here may		FECFRAME [RFC8680] Working Groups. The protocol presented here may
	be seen as a network-coding extension to standard unicast transport		be seen as a network-coding extension to standard unicast transport
	protocols (or even multicast or anycast with a few modifications).		protocols (or even multicast or anycast with a few modifications).
	The current proposal may be considered a combination of network		The current proposal may be considered a combination of network
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	2 lines changed or deleted		2 lines changed or added
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