draft-ietf-bess-evpn-proxy-arp-nd-02.txt   draft-ietf-bess-evpn-proxy-arp-nd-03.txt 
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G. Hankins G. Hankins
Nokia Nokia
T. King T. King
D. Melzer D. Melzer
DE-CIX DE-CIX
E. Nordmark E. Nordmark
Arista Networks Arista Networks
Expires: October 8, 2017 April 6, 2017 Expires: April 7, 2018 October 4, 2017
Operational Aspects of Proxy-ARP/ND in EVPN Networks Operational Aspects of Proxy-ARP/ND in EVPN Networks
draft-ietf-bess-evpn-proxy-arp-nd-02 draft-ietf-bess-evpn-proxy-arp-nd-03
Abstract Abstract
The MAC/IP Advertisement route specified in [RFC7432] can optionally The MAC/IP Advertisement route specified in [RFC7432] can optionally
carry IPv4 and IPv6 addresses associated with a MAC address. Remote carry IPv4 and IPv6 addresses associated with a MAC address. Remote
PEs can use this information to reply locally (act as proxy) to IPv4 PEs can use this information to reply locally (act as proxy) to IPv4
ARP requests and IPv6 Neighbor Solicitation messages (or 'unicast- ARP requests and IPv6 Neighbor Solicitation messages (or 'unicast-
forward' them to the owner of the MAC) and reduce/suppress the forward' them to the owner of the MAC) and reduce/suppress the
flooding produced by the Address Resolution procedure. This EVPN flooding produced by the Address Resolution procedure. This EVPN
capability is extremely useful in Internet Exchange Points (IXPs) and capability is extremely useful in Internet Exchange Points (IXPs) and
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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." The list material or to cite them other than as "work in progress." The list
of current Internet-Drafts can be accessed at of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html http://www.ietf.org/shadow.html
This Internet-Draft will expire on October 8, 2017. This Internet-Draft will expire on April 7, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2017 IETF Trust and the persons identified as the Copyright (c) 2017 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
(http://trustee.ietf.org/license-info) in effect on the date of (http://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
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DOI 10.17487/RFC5227, July 2008, <http://www.rfc- DOI 10.17487/RFC5227, July 2008, <http://www.rfc-
editor.org/info/rfc5227>. editor.org/info/rfc5227>.
10.2. Informative References 10.2. Informative References
[ARP-Sponge] Wessel M. and Sijm N., Universiteit van Amsterdam, [ARP-Sponge] Wessel M. and Sijm N., Universiteit van Amsterdam,
"Effects of IPv4 and IPv6 address resolution on AMS-IX and the ARP "Effects of IPv4 and IPv6 address resolution on AMS-IX and the ARP
Sponge", July 2009. Sponge", July 2009.
[EVPN-ND-FLAGS] Sathappan S., Nagaraj K. and Rabadan J., "Propagation [EVPN-ND-FLAGS] Sathappan S., Nagaraj K. and Rabadan J., "Propagation
of IPv6 Neighbor Advertisement Flags in EVPN", draft-snr-bess-evpn- of IPv6 Neighbor Advertisement Flags in EVPN", draft-ietf-bess-evpn-
na-flags-04, Work in Progress, July 2016. na-flags-00, Work in Progress, October 2017.
[Euro-IX BCP] https://www.euro-ix.net/pages/28/1/bcp_ixp.html [Euro-IX BCP] https://www.euro-ix.net/pages/28/1/bcp_ixp.html
11. Acknowledgments 11. Acknowledgments
The authors want to thank Ranganathan Boovaraghavan, Sriram The authors want to thank Ranganathan Boovaraghavan, Sriram
Venkateswaran, Manish Krishnan, Seshagiri Venugopal, Tony Przygienda, Venkateswaran, Manish Krishnan, Seshagiri Venugopal, Tony Przygienda,
Robert Raszuk and Iftekhar Hussain for their review and Robert Raszuk and Iftekhar Hussain for their review and
contributions. Thank you to Oliver Knapp as well, for his detailed contributions. Thank you to Oliver Knapp as well, for his detailed
review. review.
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DE-CIX Management GmbH DE-CIX Management GmbH
Lichtstrasse 43i, Cologne 50825, Germany Lichtstrasse 43i, Cologne 50825, Germany
Email: thomas.king@de-cix.net Email: thomas.king@de-cix.net
Daniel Melzer Daniel Melzer
DE-CIX Management GmbH DE-CIX Management GmbH
Lichtstrasse 43i, Cologne 50825, Germany Lichtstrasse 43i, Cologne 50825, Germany
Email: daniel.melzer@de-cix.net Email: daniel.melzer@de-cix.net
Erik Nordmark Erik Nordmark
Arista Networks Email: nordmark@sonic.net
Email: nordmark@arista.com
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