Re: [v6ops] Operational Implications of IPv6 Packets with Extension Headers - Load Balancer

Fernando Gont <fgont@si6networks.com> Mon, 27 July 2020 10:09 UTC

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To: Mark Smith <markzzzsmith@gmail.com>, Vasilenko Eduard <vasilenko.eduard@huawei.com>
Cc: IPv6 Operations <v6ops@ietf.org>, "draft-gont-v6ops-ipv6-ehs-packet-drops@ietf.org" <draft-gont-v6ops-ipv6-ehs-packet-drops@ietf.org>
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From: Fernando Gont <fgont@si6networks.com>
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Date: Mon, 27 Jul 2020 07:09:02 -0300
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Subject: Re: [v6ops] Operational Implications of IPv6 Packets with Extension Headers - Load Balancer
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Hello, Mark,

On 27/7/20 06:47, Mark Smith wrote:
> 
> If load balancers are going to be discussed, it also needs to be pointed 
> out that they don't follow the definition of unicast addresses.

Don't such addresses become anyast addresses, automatically, as per 
Section 2.6 of RFC4291?



> A unicast address is to uniquely identify a single node.
> 
> Load balancers share a single unicast address between multiple nodes, 
> contradictory to the unique and single node identification purpose of 
> unicast addresses.

As per RFC4291, such addresses would be anycast addresses, rather than 
unicast.

Thanks!

Cheers,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492