draft-ietf-rmcat-wireless-tests-05.txt		draft-ietf-rmcat-wireless-tests-06.txt
	Network Working Group Z. Sarker		Network Working Group Z. Sarker
	Internet-Draft I. Johansson		Internet-Draft I. Johansson
	Intended status: Informational Ericsson AB		Intended status: Informational Ericsson AB
	Expires: December 23, 2018 X. Zhu		Expires: June 25, 2019 X. Zhu
	J. Fu		J. Fu
	W. Tan		W. Tan
	M. Ramalho		M. Ramalho
	Cisco Systems		Cisco Systems
	June 21, 2018		December 22, 2018
	Evaluation Test Cases for Interactive Real-Time Media over Wireless		Evaluation Test Cases for Interactive Real-Time Media over Wireless
	Networks		Networks
	draft-ietf-rmcat-wireless-tests-05		draft-ietf-rmcat-wireless-tests-06
	Abstract		Abstract
	There is an ongoing effort in IETF RMCAT working group to standardize		The Real-time Transport Protocol (RTP) is used for interactive
	rate adaptation algorithm(s) for real-time interactive communication.		multimedia communication applications. These applications are
	To ensure seamless and robust user experience, the proposed rate		typically required to implement congestion control. To ensure
	adaptation algorithm(s) should work well across all access network		seamless and robust user experience, a well-designed RTP-based
	types. This document describes test cases for evaluating		congestion control algorithm should work well across all access
	performances of the proposed rate adaptation solutions over LTE and		network types. This document describes test cases for evaluating
	Wi-Fi networks.		performances of such congestion control algorithms over LTE and Wi-Fi
			networks.
	Status of This Memo		Status of This Memo
	This Internet-Draft is submitted in full conformance with the		This Internet-Draft is submitted in full conformance with the
	provisions of BCP 78 and BCP 79.		provisions of BCP 78 and BCP 79.
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF). Note that other groups may also distribute		Task Force (IETF). Note that other groups may also distribute
	working documents as Internet-Drafts. The list of current Internet-		working documents as Internet-Drafts. The list of current Internet-
	Drafts is at https://datatracker.ietf.org/drafts/current/.		Drafts is at https://datatracker.ietf.org/drafts/current/.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	This Internet-Draft will expire on December 23, 2018.		This Internet-Draft will expire on June 25, 2019.
	Copyright Notice		Copyright Notice
	Copyright (c) 2018 IETF Trust and the persons identified as the		Copyright (c) 2018 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents		Provisions Relating to IETF Documents
	(https://trustee.ietf.org/license-info) in effect on the date of		(https://trustee.ietf.org/license-info) in effect on the date of
	publication of this document. Please review these documents		publication of this document. Please review these documents
	skipping to change at page 2, line 42 ¶		skipping to change at page 2, line 42 ¶
	4.1.4. Expected behavior . . . . . . . . . . . . . . . . . . 14		4.1.4. Expected behavior . . . . . . . . . . . . . . . . . . 14
	4.2. Bottleneck in Wi-Fi Network . . . . . . . . . . . . . . . 15		4.2. Bottleneck in Wi-Fi Network . . . . . . . . . . . . . . . 15
	4.2.1. Network topology . . . . . . . . . . . . . . . . . . 15		4.2.1. Network topology . . . . . . . . . . . . . . . . . . 15
	4.2.2. Test setup . . . . . . . . . . . . . . . . . . . . . 15		4.2.2. Test setup . . . . . . . . . . . . . . . . . . . . . 15
	4.2.3. Typical test scenarios . . . . . . . . . . . . . . . 16		4.2.3. Typical test scenarios . . . . . . . . . . . . . . . 16
	4.2.4. Expected behavior . . . . . . . . . . . . . . . . . . 17		4.2.4. Expected behavior . . . . . . . . . . . . . . . . . . 17
	4.3. Other Potential Test Cases . . . . . . . . . . . . . . . 18		4.3. Other Potential Test Cases . . . . . . . . . . . . . . . 18
	4.3.1. EDCA/WMM usage . . . . . . . . . . . . . . . . . . . 18		4.3.1. EDCA/WMM usage . . . . . . . . . . . . . . . . . . . 18
	4.3.2. Effects of Legacy 802.11b Devices . . . . . . . . . . 18		4.3.2. Effects of Legacy 802.11b Devices . . . . . . . . . . 18
	5. Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . 18		5. Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . 18
	6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 18		6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 18
	7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 19		7. Security Considerations . . . . . . . . . . . . . . . . . . . 19
	8. Security Considerations . . . . . . . . . . . . . . . . . . . 19		8. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 19
	9. References . . . . . . . . . . . . . . . . . . . . . . . . . 19		9. References . . . . . . . . . . . . . . . . . . . . . . . . . 19
	9.1. Normative References . . . . . . . . . . . . . . . . . . 19		9.1. Normative References . . . . . . . . . . . . . . . . . . 19
	9.2. Informative References . . . . . . . . . . . . . . . . . 20		9.2. Informative References . . . . . . . . . . . . . . . . . 20
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 20		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 21
	1. Introduction		1. Introduction
	Wireless networks (both cellular and Wi-Fi [IEEE802.11] local area		Wireless networks (both cellular and Wi-Fi [IEEE802.11] local area
	network) are an integral part of the Internet. Mobile devices		network) are an integral part of the Internet. Mobile devices
	connected to the wireless networks generate huge amount of media		connected to the wireless networks generate huge amount of media
	traffic in the Internet. Application scenarios range from users		traffic in the Internet. Application scenarios range from users
	having a video call in the bus to media consumption by someone		having a video call in the bus to media consumption by someone
	sitting on a living room couch. It is well known that the		sitting on a living room couch. It is well known that the
	characteristics and technical challenges for offering multimedia		characteristics and technical challenges for offering multimedia
	skipping to change at page 18, line 46 ¶		skipping to change at page 18, line 46 ¶
	cases can be added to evaluate the affects of legancy devices on the		cases can be added to evaluate the affects of legancy devices on the
	performance of RMCAT congestion control algorithm.		performance of RMCAT congestion control algorithm.
	5. Conclusion		5. Conclusion
	This document defines a collection of test cases that are considered		This document defines a collection of test cases that are considered
	important for cellular and Wi-Fi networks. Moreover, this document		important for cellular and Wi-Fi networks. Moreover, this document
	also provides a framework for defining additional test cases over		also provides a framework for defining additional test cases over
	wireless cellular/Wi-Fi networks.		wireless cellular/Wi-Fi networks.
	6. Acknowledgements		6. IANA Considerations
	We would like to thank Tomas Frankkila, Magnus Westerlund, Kristofer		This memo includes no request to IANA.
	Sandlund for their valuable comments while writing this draft.
	7. IANA Considerations		7. Security Considerations
	This memo includes no request to IANA.		The security considerations in [I-D.ietf-rmcat-eval-criteria] and the
			relevant congestion control algorithms apply. The principles for
			congestion control are described in [RFC2914], and in particular any
			new method MUST implement safeguards to avoid congestion collapse of
			the Internet.
	8. Security Considerations		The evaluation of the test cases are intended to be run in a
			controlled lab environment. Hence, the applications, simulators and
			network nodes ought to be well-behaved and should not impact the
			desired results. It is important to take appropriate caution to
			avoid leaking non-responsive traffic from unproven congestion
			avoidance techniques onto the open Internet.
	Security issues have not been discussed in this memo.		8. Acknowledgements
			We would like to thank Tomas Frankkila, Magnus Westerlund, Kristofer
			Sandlund for their valuable comments while writing this draft.
	9. References		9. References
	9.1. Normative References		9.1. Normative References
	[Deployment]		[Deployment]
	TS 25.814, 3GPP., "Physical layer aspects for evolved		TS 25.814, 3GPP., "Physical layer aspects for evolved
	Universal Terrestrial Radio Access (UTRA)", October 2006,		Universal Terrestrial Radio Access (UTRA)", October 2006,
	<http://www.3gpp.org/ftp/specs/		<http://www.3gpp.org/ftp/specs/
	archive/25_series/25.814/25814-710.zip>.		archive/25_series/25.814/25814-710.zip>.
	skipping to change at page 19, line 43 ¶		skipping to change at page 20, line 8 ¶
	[HO-UMTS-3GPP]		[HO-UMTS-3GPP]
	TS 25.331, 3GPP., "Radio Resource Control (RRC); Protocol		TS 25.331, 3GPP., "Radio Resource Control (RRC); Protocol
	specification", December 2011,		specification", December 2011,
	<http://www.3gpp.org/ftp/specs/		<http://www.3gpp.org/ftp/specs/
	archive/25_series/25.331/25331-990.zip>.		archive/25_series/25.331/25331-990.zip>.
	[I-D.ietf-rmcat-eval-criteria]		[I-D.ietf-rmcat-eval-criteria]
	Singh, V., Ott, J., and S. Holmer, "Evaluating Congestion		Singh, V., Ott, J., and S. Holmer, "Evaluating Congestion
	Control for Interactive Real-time Media", draft-ietf-		Control for Interactive Real-time Media", draft-ietf-
	rmcat-eval-criteria-07 (work in progress), May 2018.		rmcat-eval-criteria-08 (work in progress), November 2018.
	[NS3WiFi] "Wi-Fi Channel Model in NS3 Simulator",		[NS3WiFi] "Wi-Fi Channel Model in NS3 Simulator",
	<https://www.nsnam.org/doxygen/		<https://www.nsnam.org/doxygen/
	classns3_1_1_yans_wifi_channel.html>.		classns3_1_1_yans_wifi_channel.html>.
	[QoS-3GPP]		[QoS-3GPP]
	TS 23.203, 3GPP., "Policy and charging control		TS 23.203, 3GPP., "Policy and charging control
	architecture", June 2011, <http://www.3gpp.org/ftp/specs/		architecture", June 2011, <http://www.3gpp.org/ftp/specs/
	archive/23_series/23.203/23203-990.zip>.		archive/23_series/23.203/23203-990.zip>.
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119,		Requirement Levels", BCP 14, RFC 2119,
	DOI 10.17487/RFC2119, March 1997,		DOI 10.17487/RFC2119, March 1997,
	<https://www.rfc-editor.org/info/rfc2119>.		<https://www.rfc-editor.org/info/rfc2119>.
			[RFC2914] Floyd, S., "Congestion Control Principles", BCP 41,
			RFC 2914, DOI 10.17487/RFC2914, September 2000,
			<https://www.rfc-editor.org/info/rfc2914>.
	[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC		[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
	2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,		2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
	May 2017, <https://www.rfc-editor.org/info/rfc8174>.		May 2017, <https://www.rfc-editor.org/info/rfc8174>.
	9.2. Informative References		9.2. Informative References
	[I-D.ietf-rmcat-cc-requirements]		[I-D.ietf-rmcat-cc-requirements]
	Jesup, R. and Z. Sarker, "Congestion Control Requirements		Jesup, R. and Z. Sarker, "Congestion Control Requirements
	for Interactive Real-Time Media", draft-ietf-rmcat-cc-		for Interactive Real-Time Media", draft-ietf-rmcat-cc-
	requirements-09 (work in progress), December 2014.		requirements-09 (work in progress), December 2014.
	[I-D.ietf-rmcat-eval-test]		[I-D.ietf-rmcat-eval-test]
	Sarker, Z., Singh, V., Zhu, X., and M. Ramalho, "Test		Sarker, Z., Singh, V., Zhu, X., and M. Ramalho, "Test
	Cases for Evaluating RMCAT Proposals", draft-ietf-rmcat-		Cases for Evaluating RMCAT Proposals", draft-ietf-rmcat-
	eval-test-06 (work in progress), June 2018.		eval-test-08 (work in progress), November 2018.
	[IEEE802.11]		[IEEE802.11]
	"Standard for Information technology--Telecommunications		"Standard for Information technology--Telecommunications
	and information exchange between systems Local and		and information exchange between systems Local and
	metropolitan area networks--Specific requirements Part 11:		metropolitan area networks--Specific requirements Part 11:
	Wireless LAN Medium Access Control (MAC) and Physical		Wireless LAN Medium Access Control (MAC) and Physical
	Layer (PHY) Specifications", 2012.		Layer (PHY) Specifications", 2012.
	[LTE-simulator]		[LTE-simulator]
	"NS-3, A discrete-Event Network Simulator",		"NS-3, A discrete-Event Network Simulator",
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