In Network Computing Enablers for Extended Reality
draft-montpetit-coin-xr-01
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Marie-Jose Montpetit
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2018-10-23
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COIN M. Montpetit
Internet-Draft Triangle Video
Intended status: Informational October 23, 2018
Expires: April 22, 2019
In Network Computing Enablers for Extended Reality
draft-montpetit-coin-xr-01
Abstract
Augmented Reality (AR) and Virtual Reality (VR), combined as Extended
Reality or XR, challenge networking technologies and protocols
because they combine the features of fast information display, image
processing, computing and forwarding. This document presents some of
these challenges and how adding computing in the network could
respond to them.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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Task Force (IETF). Note that other groups may also distribute
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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 April 22, 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
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
Montpetit Expires April 22, 2019 [Page 1]
Internet-Draft COIN for XR October 2018
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Requirements Language . . . . . . . . . . . . . . . . . . 3
2. Definitions . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Extended Reality and In-Network Computing . . . . . . . . . . 4
3.1. XR Network Requirements . . . . . . . . . . . . . . . . . 4
3.2. In-Network Computing Advantages in XR . . . . . . . . . . 5
4. Enabling Technologies . . . . . . . . . . . . . . . . . . . . 6
4.1. Information Centric Networking (ICN) and Named Data
Networking (NDN) . . . . . . . . . . . . . . . . . . . . 7
4.2. Network Coding . . . . . . . . . . . . . . . . . . . . . 7
4.3. Blockchains and Distributed Trust . . . . . . . . . . . . 8
5. Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . 9
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 9
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.1. Normative References . . . . . . . . . . . . . . . . . . 9
7.2. Informative References . . . . . . . . . . . . . . . . . 9
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 10
1. Introduction
Augmented and Virtual reality target different applications
but they all share a number of stringent delay and bandwidth
requirements to prevent confusing the brain whenever information
about the virtual environment is not wholly consistent causing motion
sickness symptoms [VRSICK]. Hence to now XR has been delivered
mostly locally via combinations of computers and headsets with some
cloud implementations being limited to time invariant imaging in one
direction.
But with the emergence of the edge and the programmability of network
elements all the way from the data center to the users the
possibility of creating networked, multiparty/multisource and
interacting XR comes closer to reality. This document wants to
review what is necessary for the current localized and cloud
supported XR to evolve to a more distributed and edge centric
architecture to support advanced immersive application and services.
It assumes that network programmability will enable to tailor the
network to the XR requirements. This document is about requirements
not solutions per se but will mention work that has already been done
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towards a more networked XR including Information Centric
architectures, Artificial Intelligence and in network coding. The
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