QUIC-LB: Generating Routable QUIC Connection IDs
draft-duke-quic-load-balancers-02
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Martin Duke
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2018-09-17
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draft-ietf-quic-load-balancers
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QUIC M. Duke
Internet-Draft F5 Networks, Inc.
Intended status: Standards Track September 17, 2018
Expires: March 21, 2019
QUIC-LB: Generating Routable QUIC Connection IDs
draft-duke-quic-load-balancers-02
Abstract
QUIC connection IDs allow continuation of connections across address/
port 4-tuple changes, and can store routing information for stateless
or low-state load balancers. They also can prevent linkability of
connections across deliberate address migration through the use of
protected communications between client and server. This creates
issues for load-balancing intermediaries. This specification
standardizes methods for encoding routing information and proposes an
optional protocol called QUIC_LB to exchange the parameters of that
encoding.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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 March 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
carefully, as they describe your rights and restrictions with respect
Duke Expires March 21, 2019 [Page 1]
Internet-Draft QUIC-LB September 2018
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
2. Protocol Objectives . . . . . . . . . . . . . . . . . . . . . 4
2.1. Simplicity . . . . . . . . . . . . . . . . . . . . . . . 4
2.2. Security . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3. Robustness to Middleboxes . . . . . . . . . . . . . . . . 5
2.4. Load Balancer Chains . . . . . . . . . . . . . . . . . . 5
3. Routing Algorithms . . . . . . . . . . . . . . . . . . . . . 5
3.1. Plaintext CID Algorithm . . . . . . . . . . . . . . . . . 6
3.1.1. Load Balancer Actions . . . . . . . . . . . . . . . . 6
3.1.2. Server Actions . . . . . . . . . . . . . . . . . . . 6
3.2. Encrypted CID Algorithm . . . . . . . . . . . . . . . . . 7
3.2.1. Load Balancer Actions . . . . . . . . . . . . . . . . 7
3.2.2. Server Actions . . . . . . . . . . . . . . . . . . . 8
4. Protocol Description . . . . . . . . . . . . . . . . . . . . 8
4.1. Out of band sharing . . . . . . . . . . . . . . . . . . . 8
4.2. QUIC-LB Message Exchange . . . . . . . . . . . . . . . . 8
4.2.1. Packet Header Format . . . . . . . . . . . . . . . . 9
4.2.2. Ack Payload . . . . . . . . . . . . . . . . . . . . . 9
4.2.3. Fail Payload . . . . . . . . . . . . . . . . . . . . 10
4.2.4. Routing Info Payload . . . . . . . . . . . . . . . . 11
4.2.5. Encrypted CID Payload . . . . . . . . . . . . . . . . 11
4.2.6. Server ID Payload . . . . . . . . . . . . . . . . . . 12
4.2.7. Modulus Payload . . . . . . . . . . . . . . . . . . . 13
5. Configuration Requirements . . . . . . . . . . . . . . . . . 13
6. Security Considerations . . . . . . . . . . . . . . . . . . . 14
6.1. Outside attackers . . . . . . . . . . . . . . . . . . . . 14
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 15
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.1. Normative References . . . . . . . . . . . . . . . . . . 15
8.2. Informative References . . . . . . . . . . . . . . . . . 15
Appendix A. Acknowledgments . . . . . . . . . . . . . . . . . . 15
Appendix B. Change Log . . . . . . . . . . . . . . . . . . . . . 15
B.1. Since draft-duke-quic-load-balancers-00 . . . . . . . . . 15
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