Connection Setup in a Quantum Network
draft-van-meter-qirg-quantum-connection-setup-00

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Quantum Internet Research Group                             R. Van Meter
Internet-Draft                                                 T. Matsuo
Intended status: Informational                           Keio University
Expires: September 12, 2019                               March 11, 2019

                 Connection Setup in a Quantum Network
            draft-van-meter-qirg-quantum-connection-setup-00

Abstract

   Near-term quantum networks will grow to form a Noisy, Intermediate-
   Scale Quantum Internet (NISQI).  Connection setup will require
   adapting behavior along the path to the noise levels of individual
   elements.  In this proposal, path creation is triggered by an
   application at the Initiator, information is accumulated node-by-node
   on an outbound pass in a series of QCap (quantum capability) blocks,
   then the RuleSets are created at the Responder.  RuleSets are
   installed at the individual nodes on the return pass.  This document
   describes the architecture of connection setup in a network.  Details
   of the RuleSets and QCaps, addressing architecture, link protocols,
   routing, resource allocation (multiplexing), extension of this setup
   procedure to an internetwork, and extension to multiparty
   communications are beyond the scope of this document.

Status of This Memo

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Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Van Meter & Matsuo     Expires September 12, 2019               [Page 1]
Internet-Draft                                                March 2019

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Concepts and Glossary . . . . . . . . . . . . . . . . . . . .   3
   3.  Connection Setup Phases . . . . . . . . . . . . . . . . . . .   5
     3.1.  Short Description of Phases . . . . . . . . . . . . . . .   5
     3.2.  Rationale for this Architecture . . . . . . . . . . . . .   5
   4.  Message Contents and Elements . . . . . . . . . . . . . . . .   6
     4.1.  PathSetupRequest  . . . . . . . . . . . . . . . . . . . .   6
     4.2.  Quantum Capabilities  . . . . . . . . . . . . . . . . . .   6
     4.3.  RuleSets  . . . . . . . . . . . . . . . . . . . . . . . .   7
   5.  Processing the SetupRequest . . . . . . . . . . . . . . . . .   7
     5.1.  Initiating a Connection Setup Request . . . . . . . . . .   7
     5.2.  Outbound Processing . . . . . . . . . . . . . . . . . . .   7
     5.3.  Responder Processing  . . . . . . . . . . . . . . . . . .   8
     5.4.  Return Processing . . . . . . . . . . . . . . . . . . . .   8
   6.  Rejection and Robustness of the Setup Process . . . . . . . .   9
     6.1.  Rejection by a Repeater or Router . . . . . . . . . . . .   9
     6.2.  Rejection by a Responder  . . . . . . . . . . . . . . . .   9
     6.3.  Robustness  . . . . . . . . . . . . . . . . . . . . . . .  10
   7.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  10
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  11
     10.2.  Informative References . . . . . . . . . . . . . . . . .  11
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   Building a connection across a quantum network [theqi] is a classical
   task.  Because of the low success probability of quantum
   communication due to photon loss and the extremely high error rates
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