--- 1/draft-ietf-detnet-problem-statement-08.txt 2018-12-19 09:13:20.388846753 -0800 +++ 2/draft-ietf-detnet-problem-statement-09.txt 2018-12-19 09:13:20.416847424 -0800 @@ -1,19 +1,19 @@ DetNet N. Finn Internet-Draft Huawei Technologies Co. Ltd Intended status: Informational P. Thubert -Expires: June 9, 2019 Cisco - December 6, 2018 +Expires: June 21, 2019 Cisco + December 18, 2018 Deterministic Networking Problem Statement - draft-ietf-detnet-problem-statement-08 + draft-ietf-detnet-problem-statement-09 Abstract This paper documents the needs in various industries to establish multi-hop paths for characterized flows with deterministic properties. Status of This Memo This Internet-Draft is submitted in full conformance with the @@ -22,21 +22,21 @@ Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at https://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference 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 (c) 2018 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents @@ -53,21 +53,21 @@ 3. Problem Statement . . . . . . . . . . . . . . . . . . . . . . 6 3.1. Supported topologies . . . . . . . . . . . . . . . . . . 6 3.2. Flow Characterization . . . . . . . . . . . . . . . . . . 6 3.3. Centralized Path Computation and Installation . . . . . . 6 3.4. Distributed Path Setup . . . . . . . . . . . . . . . . . 7 3.5. Duplicated data format . . . . . . . . . . . . . . . . . 8 4. Security Considerations . . . . . . . . . . . . . . . . . . . 8 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9 6. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 9 7. Informative References . . . . . . . . . . . . . . . . . . . 9 - Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11 + Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 10 1. Introduction The Deterministic Networking Use Cases [I-D.ietf-detnet-use-cases] document illustrates that beyond the classical case of industrial automation and control systems (IACS), there are in fact multiple industries with strong and yet relatively similar needs for deterministic network services with latency guarantees and ultra-low packet loss. @@ -151,24 +151,23 @@ applications with critical timing and reliability issues that currently use special-purpose fieldbus technologies (HDMI, CANbus, ProfiBus, etc... even RS-232!) to packet technologies in general, and the Internet Protocol in particular, and to support both these new applications, and existing packet network applications, over the same physical network. In other words, a Deterministic Network is backwards compatible with (capable of transporting) statistically multiplexed traffic while preserving the properties of the accepted deterministic flows. - Considerable experience from automation and professional audio/video - networks (e.g., [ODVA]/[EIP], [AVnu], [Profinet], [HART], [IEC62439], - [ISA100.11a] and [WirelessHART]) has shown that these applications - need a some or all of a suite of features that includes: + The Deterministic Networking Use Cases [I-D.ietf-detnet-use-cases] + document indicates that applications in multiple fields need some or + all of a suite of features that includes: 1. Time synchronization of all host and network nodes (routers and/ or bridges), accurate to something between 10 nanoseconds and 10 microseconds, depending on the application. 2. Support for Deterministic packet flows that: * Can be unicast or multicast; * Need absolute guarantees of minimum and maximum latency end- @@ -408,104 +407,58 @@ Janos Farkas, Stewart Bryant, Andrew Malis, Ethan Grossman, Patrick Wetterwald, Subha Dhesikan, Matthew Miller, Erik Nordmark, George Swallow, Rodney Cummings, Ines Robles, Shwetha Bhandari, Rudy Klecka, Anca Zamfir, David Black, Thomas Watteyne, Shitanshu Shah, Kiran Makhijani, Craig Gunther, Warren Kumari, Wilfried Steiner, Marcel Kiessling, Karl Weber, Alissa Cooper, and Benjamin Kaduk for their various contributions to this work. 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.", - . - - [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] Finn, N., Thubert, P., Varga, B., and J. Farkas, "Deterministic Networking Architecture", draft-ietf- detnet-architecture-09 (work in progress), October 2018. [I-D.ietf-detnet-security] Mizrahi, T., Grossman, E., Hacker, A., Das, S., Dowdell, J., Austad, H., Stanton, K., and N. Finn, "Deterministic Networking (DetNet) Security Considerations", draft-ietf- detnet-security-03 (work in progress), October 2018. [I-D.ietf-detnet-use-cases] Grossman, E., "Deterministic Networking Use Cases", draft- 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, - . - [IEEE802.1TSNTG] IEEE Standards Association, "IEEE 802.1 Time-Sensitive Networks Task Group", 2013, . - [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: Models and Terminology", 2000, . - [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.", - . - [RFC3209] Awduche, D., Berger, L., Gan, D., Li, T., Srinivasan, V., and G. Swallow, "RSVP-TE: Extensions to RSVP for LSP Tunnels", RFC 3209, DOI 10.17487/RFC3209, December 2001, . [RFC4655] Farrel, A., Vasseur, J., and J. Ash, "A Path Computation Element (PCE)-Based Architecture", RFC 4655, DOI 10.17487/RFC4655, August 2006, . [RFC7384] Mizrahi, T., "Security Requirements of Time Protocols in Packet Switched Networks", RFC 7384, DOI 10.17487/RFC7384, October 2014, . - [WirelessHART] - www.hartcomm.org, "Industrial Communication Networks - - Wireless Communication Network and Communication Profiles - - WirelessHART - IEC 62591", 2010. - Authors' Addresses Norman Finn Huawei Technologies Co. Ltd 3755 Avocado Blvd. PMB 436 La Mesa, California 91941 US Phone: +1 925 980 6430