draft-ietf-detnet-problem-statement-08.txt   draft-ietf-detnet-problem-statement-09.txt 
DetNet N. Finn DetNet N. Finn
Internet-Draft Huawei Technologies Co. Ltd Internet-Draft Huawei Technologies Co. Ltd
Intended status: Informational P. Thubert Intended status: Informational P. Thubert
Expires: June 9, 2019 Cisco Expires: June 21, 2019 Cisco
December 6, 2018 December 18, 2018
Deterministic Networking Problem Statement Deterministic Networking Problem Statement
draft-ietf-detnet-problem-statement-08 draft-ietf-detnet-problem-statement-09
Abstract Abstract
This paper documents the needs in various industries to establish This paper documents the needs in various industries to establish
multi-hop paths for characterized flows with deterministic multi-hop paths for characterized flows with deterministic
properties. properties.
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
skipping to change at page 1, line 33 skipping to change at page 1, line 33
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 June 9, 2019. This Internet-Draft will expire on June 21, 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 19 skipping to change at page 2, line 19
3. Problem Statement . . . . . . . . . . . . . . . . . . . . . . 6 3. Problem Statement . . . . . . . . . . . . . . . . . . . . . . 6
3.1. Supported topologies . . . . . . . . . . . . . . . . . . 6 3.1. Supported topologies . . . . . . . . . . . . . . . . . . 6
3.2. Flow Characterization . . . . . . . . . . . . . . . . . . 6 3.2. Flow Characterization . . . . . . . . . . . . . . . . . . 6
3.3. Centralized Path Computation and Installation . . . . . . 6 3.3. Centralized Path Computation and Installation . . . . . . 6
3.4. Distributed Path Setup . . . . . . . . . . . . . . . . . 7 3.4. Distributed Path Setup . . . . . . . . . . . . . . . . . 7
3.5. Duplicated data format . . . . . . . . . . . . . . . . . 8 3.5. Duplicated data format . . . . . . . . . . . . . . . . . 8
4. Security Considerations . . . . . . . . . . . . . . . . . . . 8 4. Security Considerations . . . . . . . . . . . . . . . . . . . 8
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
6. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 9 6. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 9
7. Informative References . . . . . . . . . . . . . . . . . . . 9 7. Informative References . . . . . . . . . . . . . . . . . . . 9
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 10
1. Introduction 1. Introduction
The Deterministic Networking Use Cases [I-D.ietf-detnet-use-cases] The Deterministic Networking Use Cases [I-D.ietf-detnet-use-cases]
document illustrates that beyond the classical case of industrial document illustrates that beyond the classical case of industrial
automation and control systems (IACS), there are in fact multiple automation and control systems (IACS), there are in fact multiple
industries with strong and yet relatively similar needs for industries with strong and yet relatively similar needs for
deterministic network services with latency guarantees and ultra-low deterministic network services with latency guarantees and ultra-low
packet loss. packet loss.
skipping to change at page 4, line 20 skipping to change at page 4, line 20
applications with critical timing and reliability issues that applications with critical timing and reliability issues that
currently use special-purpose fieldbus technologies (HDMI, CANbus, currently use special-purpose fieldbus technologies (HDMI, CANbus,
ProfiBus, etc... even RS-232!) to packet technologies in general, and ProfiBus, etc... even RS-232!) to packet technologies in general, and
the Internet Protocol in particular, and to support both these new the Internet Protocol in particular, and to support both these new
applications, and existing packet network applications, over the same applications, and existing packet network applications, over the same
physical network. In other words, a Deterministic Network is physical network. In other words, a Deterministic Network is
backwards compatible with (capable of transporting) statistically backwards compatible with (capable of transporting) statistically
multiplexed traffic while preserving the properties of the accepted multiplexed traffic while preserving the properties of the accepted
deterministic flows. deterministic flows.
Considerable experience from automation and professional audio/video The Deterministic Networking Use Cases [I-D.ietf-detnet-use-cases]
networks (e.g., [ODVA]/[EIP], [AVnu], [Profinet], [HART], [IEC62439], document indicates that applications in multiple fields need some or
[ISA100.11a] and [WirelessHART]) has shown that these applications all of a suite of features that includes:
need a some or all of a suite of features that includes:
1. Time synchronization of all host and network nodes (routers and/ 1. Time synchronization of all host and network nodes (routers and/
or bridges), accurate to something between 10 nanoseconds and 10 or bridges), accurate to something between 10 nanoseconds and 10
microseconds, depending on the application. microseconds, depending on the application.
2. Support for Deterministic packet flows that: 2. Support for Deterministic packet flows that:
* Can be unicast or multicast; * Can be unicast or multicast;
* Need absolute guarantees of minimum and maximum latency end- * Need absolute guarantees of minimum and maximum latency end-
skipping to change at page 9, line 39 skipping to change at page 9, line 39
Janos Farkas, Stewart Bryant, Andrew Malis, Ethan Grossman, Patrick Janos Farkas, Stewart Bryant, Andrew Malis, Ethan Grossman, Patrick
Wetterwald, Subha Dhesikan, Matthew Miller, Erik Nordmark, George Wetterwald, Subha Dhesikan, Matthew Miller, Erik Nordmark, George
Swallow, Rodney Cummings, Ines Robles, Shwetha Bhandari, Rudy Klecka, Swallow, Rodney Cummings, Ines Robles, Shwetha Bhandari, Rudy Klecka,
Anca Zamfir, David Black, Thomas Watteyne, Shitanshu Shah, Kiran Anca Zamfir, David Black, Thomas Watteyne, Shitanshu Shah, Kiran
Makhijani, Craig Gunther, Warren Kumari, Wilfried Steiner, Marcel Makhijani, Craig Gunther, Warren Kumari, Wilfried Steiner, Marcel
Kiessling, Karl Weber, Alissa Cooper, and Benjamin Kaduk for their Kiessling, Karl Weber, Alissa Cooper, and Benjamin Kaduk for their
various contributions to this work. various contributions to this work.
7. Informative References 7. Informative References
[AVnu] http://www.avnu.org/, "The AVnu Alliance tests and
certifies devices for interoperability, providing a simple
and reliable networking solution for AV network
implementation based on the IEEE Audio Video Bridging
(AVB) and Time-Sensitive Networking (TSN) standards.".
[EIP] http://www.odva.org/, "EtherNet/IP provides users with the
network tools to deploy standard Ethernet technology (IEEE
802.3 combined with the TCP/IP Suite) for industrial
automation applications while enabling Internet and
enterprise connectivity data anytime, anywhere.",
<http://www.odva.org/Portals/0/Library/
Publications_Numbered/
PUB00138R3_CIP_Adv_Tech_Series_EtherNetIP.pdf>.
[HART] www.hartcomm.org, "Highway Addressable Remote Transducer,
a group of specifications for industrial process and
control devices administered by the HART Foundation".
[I-D.ietf-detnet-architecture] [I-D.ietf-detnet-architecture]
Finn, N., Thubert, P., Varga, B., and J. Farkas, Finn, N., Thubert, P., Varga, B., and J. Farkas,
"Deterministic Networking Architecture", draft-ietf- "Deterministic Networking Architecture", draft-ietf-
detnet-architecture-09 (work in progress), October 2018. detnet-architecture-09 (work in progress), October 2018.
[I-D.ietf-detnet-security] [I-D.ietf-detnet-security]
Mizrahi, T., Grossman, E., Hacker, A., Das, S., Dowdell, Mizrahi, T., Grossman, E., Hacker, A., Das, S., Dowdell,
J., Austad, H., Stanton, K., and N. Finn, "Deterministic J., Austad, H., Stanton, K., and N. Finn, "Deterministic
Networking (DetNet) Security Considerations", draft-ietf- Networking (DetNet) Security Considerations", draft-ietf-
detnet-security-03 (work in progress), October 2018. detnet-security-03 (work in progress), October 2018.
[I-D.ietf-detnet-use-cases] [I-D.ietf-detnet-use-cases]
Grossman, E., "Deterministic Networking Use Cases", draft- Grossman, E., "Deterministic Networking Use Cases", draft-
ietf-detnet-use-cases-19 (work in progress), October 2018. ietf-detnet-use-cases-19 (work in progress), October 2018.
[IEC62439]
IEC, "Industrial communication networks - High
availability automation networks - Part 3: Parallel
Redundancy Protocol (PRP) and High-availability Seamless
Redundancy (HSR) - IEC62439-3", 2012,
<https://webstore.iec.ch/publication/7018>.
[IEEE802.1TSNTG] [IEEE802.1TSNTG]
IEEE Standards Association, "IEEE 802.1 Time-Sensitive IEEE Standards Association, "IEEE 802.1 Time-Sensitive
Networks Task Group", 2013, Networks Task Group", 2013,
<http://www.ieee802.org/1/pages/avbridges.html>. <http://www.ieee802.org/1/pages/avbridges.html>.
[ISA100.11a]
ISA/IEC, "ISA100.11a, Wireless Systems for Automation,
also IEC 62734", 2011, < http://www.isa100wci.org/en-
US/Documents/PDF/3405-ISA100-WirelessSystems-Future-broch-
WEB-ETSI.aspx>.
[ISA95] ANSI/ISA, "Enterprise-Control System Integration Part 1: [ISA95] ANSI/ISA, "Enterprise-Control System Integration Part 1:
Models and Terminology", 2000, Models and Terminology", 2000,
<https://www.isa.org/isa95/>. <https://www.isa.org/isa95/>.
[ODVA] http://www.odva.org/, "The organization that supports
network technologies built on the Common Industrial
Protocol (CIP) including EtherNet/IP.".
[Profinet]
http://us.profinet.com/technology/profinet/, "PROFINET is
a standard for industrial networking in automation.",
<http://us.profinet.com/technology/profinet/>.
[RFC3209] Awduche, D., Berger, L., Gan, D., Li, T., Srinivasan, V., [RFC3209] Awduche, D., Berger, L., Gan, D., Li, T., Srinivasan, V.,
and G. Swallow, "RSVP-TE: Extensions to RSVP for LSP and G. Swallow, "RSVP-TE: Extensions to RSVP for LSP
Tunnels", RFC 3209, DOI 10.17487/RFC3209, December 2001, Tunnels", RFC 3209, DOI 10.17487/RFC3209, December 2001,
<https://www.rfc-editor.org/info/rfc3209>. <https://www.rfc-editor.org/info/rfc3209>.
[RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation [RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation
Element (PCE)-Based Architecture", RFC 4655, Element (PCE)-Based Architecture", RFC 4655,
DOI 10.17487/RFC4655, August 2006, DOI 10.17487/RFC4655, August 2006,
<https://www.rfc-editor.org/info/rfc4655>. <https://www.rfc-editor.org/info/rfc4655>.
[RFC7384] Mizrahi, T., "Security Requirements of Time Protocols in [RFC7384] Mizrahi, T., "Security Requirements of Time Protocols in
Packet Switched Networks", RFC 7384, DOI 10.17487/RFC7384, Packet Switched Networks", RFC 7384, DOI 10.17487/RFC7384,
October 2014, <https://www.rfc-editor.org/info/rfc7384>. October 2014, <https://www.rfc-editor.org/info/rfc7384>.
[WirelessHART]
www.hartcomm.org, "Industrial Communication Networks -
Wireless Communication Network and Communication Profiles
- WirelessHART - IEC 62591", 2010.
Authors' Addresses Authors' Addresses
Norman Finn Norman Finn
Huawei Technologies Co. Ltd Huawei Technologies Co. Ltd
3755 Avocado Blvd. 3755 Avocado Blvd.
PMB 436 PMB 436
La Mesa, California 91941 La Mesa, California 91941
US US
Phone: +1 925 980 6430 Phone: +1 925 980 6430
 End of changes. 10 change blocks. 
55 lines changed or deleted 8 lines changed or added

This html diff was produced by rfcdiff 1.47. The latest version is available from http://tools.ietf.org/tools/rfcdiff/