Re: [v6ops] SLAAC renum: Problem Statement & Operational workarounds
Owen DeLong <owen@delong.com> Thu, 24 October 2019 16:52 UTC
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Date: Thu, 24 Oct 2019 09:52:31 -0700
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Cc: Philip Homburg <pch-v6ops-9@u-1.phicoh.com>, v6ops@ietf.org
To: Fernando Gont <fgont@si6networks.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/RCjF0ZszEeee8BKSaTOn7ujiqyI>
Subject: Re: [v6ops] SLAAC renum: Problem Statement & Operational workarounds
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>> I'm also not convinced >> that there are sensible values for these lifetimes that are robust enough >> and at the same time responsive enough to deal with the issue at hand. >> >> Reducing the lifetimes would help against build up of stale prefixes. If >> they are set to a couple of hours. > > I do agree that this is not a complete solution, but, as you correctly > note, would help against build up of stale prefixes. I do agree that 7 and 30 days, respectively are absurd timer default values. I think we can take some lessons from IPv4 and DHCP here. A fairly common lease time in the DHCP world is 3600 seconds (1 hour). This seems like a reasonable default preferred lifetime and I would propose that 1 day (86400) seconds may well be a reasonable default valid lifetime. It is worth noting that these values are tunable by the administrator and the RFC suggested defaults should never be a hard-coded value. With the following exception, I don’t advocate modifying this on the client side: + Section 5.5.3 of RFC4862 should be amended to specifically allow the immediate deprecation of a prefix by sending a valid lifetime of 0 seconds. Hosts should be required to honor this as a signal that the prefix is no longer valid. I do think that generally speaking, your proposed modifications to CPE and router behavior should be standardized and implemented. > A better mitigation is to affect the preferred and possibly the valid > lifetimes in response to consecutive RAs from the same router that lack > the original (stale) prefix. e.g., after two consecutive RAs that do not > contain the existing prefix, reduce the preferred lifetime. After two > additional RAs, reduce the valid lifetime. In the crash scenarios you describe, you’re assuming a single router on the network or at least only one router announcing the prefix(es) in question with no persistent memory of the prefixes it was announcing across a reboot. In such a scenario, it seems to me that the following are also likely valid assumptions: + The network has significant excess bandwidth compared to demand. + The small overhead of frequent RAs and short lifetimes is probably an acceptable tradeoff in this environment. However, there are lots of other scenarios in the world where those assumptions won’t hold true and we should not seek to solve this problem (which is generally applicable to residential and SMB environments) at the expense of all of those other professionally administered environments. For For the busy wifi scenario, the preferred lifetime of zero for the old PIO should be sent many times and should be maintained in the configuration for at least OldPreferredLifetime seconds. At the end of OldPreferredLifetime seconds, if a host hasn’t seen the new RA, it will no longer matter as the last RA it saw will have expired. It’s not ideal, but there really aren’t a lot of good options here other than getting WiFi vendors to improve multicast reliability. In your automated configuration management scenario, IMHO, the people driving the automation have erred. The related case is, IMHO, a variant of the exact same case and represents the same error. It is still operator error regardless of whether the operator is driving an automation system, or is directly configuring a router. At a certain point, we need to accept that there is a limit to the acceptable gymnastics for the prevention of operator error. The best colloquialism here is “If you make something completely idiot proof, the world will invent a better idiot.” In section 3.2.1, you advocate setting the A and L bits to their previous values for prefixes which are being deprecated. IMHO, this is incorrect and the announcements calling for immediate deprecation should also indicate that the prefix should no longer be auto-configured and should no longer be considered on-link. Is there some unfortunate widely deployed behavior that interacts poorly with setting A and L to 0 for these previously valid prefixes? Finally, An editorial note… In Section 3, you state “Finally, Section 2.5 analyzes…” I believe this is intended to be a reference to section 3.2.2. Owen
- [v6ops] SLAAC renum: Problem Statement & Operatio… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Trevor Warwick
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Eric Vyncke (evyncke)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… JORDI PALET MARTINEZ
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Brian E Carpenter
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Gert Doering
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Clark Gaylord
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Nick Hilliard
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Richard Patterson
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Brian E Carpenter
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Brian E Carpenter
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Nick Hilliard
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Brian E Carpenter
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Kristian McColm
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Jen Linkova
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Brian E Carpenter
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Jen Linkova
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Jen Linkova
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Philip Homburg
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Timothy Winters
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Nick Hilliard
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Timothy Winters
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Timothy Winters
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… JORDI PALET MARTINEZ
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Radu-Adrian Feurdean
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- [v6ops] A broken promise - "You said PD Prefix Va… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] A broken promise - "You said PD Prefi… Naveen Kottapalli
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Radu-Adrian Feurdean
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Mark Smith
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Sander Steffann
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Philip Homburg
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Mark Smith
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] A broken promise - "You said PD Prefi… sthaug
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Bernie Volz (volz)
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Bernie Volz (volz)
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Ole Troan
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Fred Baker
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… Owen DeLong
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… sthaug
- Re: [v6ops] A broken promise - "You said PD Prefi… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… Philip Homburg
- Re: [v6ops] A broken promise - "You said PD Prefi… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Bernie Volz (volz)
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Alexandre Petrescu
- Re: [v6ops] SLAAC renum: Problem Statement & Oper… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Alexandre Petrescu
- Re: [v6ops] A broken promise - "You said PD Prefi… Philip Homburg
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Mark Smith
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Mark Smith
- Re: [v6ops] A broken promise - "You said PD Prefi… Philip Homburg
- Re: [v6ops] A broken promise - "You said PD Prefi… Philip Homburg
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Richard Patterson
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Richard Patterson
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Mark Smith
- Re: [v6ops] A broken promise - "You said PD Prefi… Ted Lemon
- Re: [v6ops] A broken promise - "You said PD Prefi… Mark Smith
- Re: [v6ops] A broken promise - "You said PD Prefi… Ole Troan
- Re: [v6ops] A broken promise - "You said PD Prefi… Mark Andrews
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- Re: [v6ops] A broken promise - "You said PD Prefi… Fernando Gont
- [v6ops] What problem are we trying to solve? (Re:… Mark Smith
- Re: [v6ops] A broken promise - "You said PD Prefi… Owen DeLong
- Re: [v6ops] A broken promise - "You said PD Prefi… Owen DeLong
- Re: [v6ops] What problem are we trying to solve? … Tassos Chatzithomaoglou
- Re: [v6ops] What problem are we trying to solve? … Fernando Gont
- Re: [v6ops] What problem are we trying to solve? … Fernando Gont
- Re: [v6ops] What problem are we trying to solve? … Tassos Chatzithomaoglou
- Re: [v6ops] What problem are we trying to solve? … Mark Smith
- Re: [v6ops] What problem are we trying to solve? … Fred Baker
- Re: [v6ops] What problem are we trying to solve? … Tassos Chatzithomaoglou
- Re: [v6ops] What problem are we trying to solve? … Richard Patterson
- Re: [v6ops] What problem are we trying to solve? … Ted Lemon
- Re: [v6ops] What problem are we trying to solve? … Ted Lemon
- Re: [v6ops] What problem are we trying to solve? … Tassos Chatzithomaoglou
- Re: [v6ops] What problem are we trying to solve? … Ted Lemon
- Re: [v6ops] What problem are we trying to solve? … Ole Troan