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Re: New Version Notification for draft-bonica-6man-frag-deprecate-00.txt

james woodyatt <jhw@apple.com> Thu, 27 June 2013 00:39 UTC

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Subject: Re: New Version Notification for draft-bonica-6man-frag-deprecate-00.txt
From: james woodyatt <jhw@apple.com>
In-reply-to: <8C48B86A895913448548E6D15DA7553B9268E3@xmb-rcd-x09.cisco.com>
Date: Wed, 26 Jun 2013 17:39:27 -0700
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References: <2CF4CB03E2AA464BA0982EC92A02CE2509F85151@BY2PRD0512MB653.namprd05.prod.outlook.com> <51C32FA9.1090207@gmail.com> <2CF4CB03E2AA464BA0982EC92A02CE2509F85F38@BY2PRD0512MB653.namprd05.prod.outlook.com> <20130624204008.GB3647@virgo.local> <20130624205226.GC3647@virgo.local> <2CF4CB03E2AA464BA0982EC92A02CE2509F8761C@BY2PRD0512MB653.namprd05.prod.outlook.com> <51C902DC.9000408@gmail.com> <m24ncmaozs.wl%randy@psg.com> <2EA20F89-02F5-4D06-90EE-A7D2974045A3@employees.org> <m2li5yj7u3.wl%randy@psg.com> <8C48B86A895913448548E6D15DA7553B9268E3@xmb-rcd-x09.cisco.com>
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On Jun 25, 2013, at 20:30 , Fred Baker (fred) <fred@cisco.com> wrote:
> On Jun 25, 2013, at 12:42 PM, Randy Bush <randy@psg.com> wrote:
>> 
>> in reality, you can not count on pmtud working

In reality, you can not count on the Internet working.  Despite that, it mostly works, most everywhere you need it to work, most of the time.  Only occasionally, does one encounter failure.

> One of these days, I'll understand why Linux/FreeBSD/Windows/Apple don't implement RFC 4821. 

One of these days, I'll understand why operators don't make it MANDATORY for all hosts on their networks to implement RFC 4821 before they configure their routers to break ICMPv6 path MTU discovery.


--
james woodyatt <jhw@apple.com>
core os networking

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