Re: [v6ops] draft-ietf-6man-grand : saving lookups
Jen Linkova <furry13@gmail.com> Wed, 12 August 2020 03:54 UTC
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From: Jen Linkova <furry13@gmail.com>
Date: Wed, 12 Aug 2020 13:54:16 +1000
Message-ID: <CAFU7BAQHUmuNAB97iZrn2oK=ZiZBpv_xPpt+ESf6j90tOKeZcQ@mail.gmail.com>
To: Philip Homburg <pch-v6ops-9@u-1.phicoh.com>
Cc: V6 Ops List <v6ops@ietf.org>, 6man <ipv6@ietf.org>
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Subject: Re: [v6ops] draft-ietf-6man-grand : saving lookups
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On Tue, Aug 11, 2020 at 6:28 PM Philip Homburg <pch-v6ops-9@u-1.phicoh.com> wrote: > > In your letter dated Sun, 9 Aug 2020 19:28:51 +1000 you wrote: > >I guess we can add to the very end of the Section 4.1.2 (the new text): > >"A node MAY send unsolicited NAs for its preferred addresses > >periodically to refresh the Neighbor Cache on the first hop routers." > > > >On the other hand it might pollute the router NC with entries for > >addresses which the node has configured but is not going to use. > > > >What does the WG think? > > A few thoughts: > > 1) It has to specified how often the host has to refresh entries Yes, and it would be very tricky because (as I've mentioned in another email in this thread) finding the useful interval requires knowing the timers for NC garbage collection on routers. > 2) I think MAY is too weak to rely on. One possibility to deal with 1) > and 2) is to have an RA option that specifies the interval. Then we > can make sending the NAs if the option is present a SHOULD or MUST I'm not convinced we shall be doing it in the first place ;) And MUST or even SHOULD look like a very strong requirement on all hosts just to cover the very special case of sleeping devices. > 3) What happens if there are more entries then fit in the router's NC? I guess the same thing which happens in other scenarios when the router is trying to create an entry and there is no free space. > 4) It has been argued against DHCPv6 IA_NA that hosts may need more > addresses than can be handled by the DHCP server. There is an RFC > that says something to that effect. If so, then we can expect > more address than can be handled by the router NC as well. I think > we need to be consistent here. Or is this only for some special > networks where host have only few addresses? > can also expect hoss Yes, I agree. Normally when a host *assigns* an address it's very likely that the host is going to use it soon. Periodic announcements for all preferred addresses does look like an overkill to me. > 5) Hosts have to inform all routers, so this would require hosts to track > all routers and just a few of them I'm not sure about this - ff02::2 should work. > 6) It seems to me that this would something for a new draft i totally agree. -- SY, Jen Linkova aka Furry
- [v6ops] I-D Action: draft-ietf-6man-grand-01 - ad… Vasilenko Eduard
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Jen Linkova
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Vasilenko Eduard
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Jen Linkova
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Nick Hilliard
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Lorenzo Colitti
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Nick Hilliard
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Mark Smith
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … joel jaeggli
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Vasilenko Eduard
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Mark Smith
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Pascal Thubert (pthubert)
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Templin (US), Fred L
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Ted Lemon
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Owen DeLong
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Ted Lemon
- Re: [v6ops] [EXTERNAL] Re: I-D Action: draft-ietf… Templin (US), Fred L
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Bob Hinden
- [v6ops] Improving ND security Ted Lemon
- Re: [v6ops] [EXTERNAL] Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Improving ND security Ted Lemon
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Tony Finch
- [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] [EXTERNAL] Improving ND security Templin (US), Fred L
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Vasilenko Eduard
- Re: [v6ops] [EXTERNAL] Improving ND security Ted Lemon
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Ted Lemon
- Re: [v6ops] Improving ND security Templin (US), Fred L
- Re: [v6ops] Improving ND security Ted Lemon
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Improving ND security Fernando Gont
- Re: [v6ops] [EXTERNAL] Improving ND security Bjoern A. Zeeb
- Re: [v6ops] [EXTERNAL] Improving ND security Templin (US), Fred L
- Re: [v6ops] Improving ND security Templin (US), Fred L
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Vasilenko Eduard
- Re: [v6ops] [EXTERNAL] Improving ND security Fernando Gont
- Re: [v6ops] [EXTERNAL] Improving ND security Templin (US), Fred L
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Owen DeLong
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Pascal Thubert (pthubert)
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Templin (US), Fred L
- Re: [v6ops] Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Vasilenko Eduard
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Philip Homburg
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Fernando Gont
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Christian Huitema
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Vasilenko Eduard
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Fernando Gont
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Templin (US), Fred L
- [v6ops] Off topic: Teredo sunset -- Re: [EXTERNAL… Lencse Gábor
- Re: [v6ops] Off topic: Teredo sunset -- Re: [EXTE… Templin (US), Fred L
- Re: [v6ops] Off topic: Teredo sunset -- Re: [EXTE… Joseph Touch
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Michael Richardson
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Michael Richardson
- Re: [v6ops] [EXTERNAL] Re: I-D Action: draft-ietf… Michael Richardson
- Re: [v6ops] [EXTERNAL] Improving ND security Michael Richardson
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Vasilenko Eduard
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Pascal Thubert (pthubert)
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Vasilenko Eduard
- Re: [v6ops] I-D Action: draft-ietf-6man-grand-01 … Mark Smith
- Re: [v6ops] [EXTERNAL] Improving ND security Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Fernando Gont
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Pascal Thubert (pthubert)
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Vasilenko Eduard
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Vasilenko Eduard
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Pascal Thubert (pthubert)
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Pascal Thubert (pthubert)
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Vasilenko Eduard
- Re: [v6ops] [EXTERNAL] Re: Improving ND security Vasilenko Eduard
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Jen Linkova
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Vasilenko Eduard
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Vasilenko Eduard
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Jen Linkova
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Jen Linkova
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Mark Smith
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Philip Homburg
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Ted Lemon
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Bob Hinden
- [v6ops] distributed vs centralized approaches to … Michael Richardson
- Re: [v6ops] distributed vs centralized approaches… Nick Hilliard
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Mark Smith
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Jen Linkova
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Bob Hinden
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Vasilenko Eduard
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Jen Linkova
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Vasilenko Eduard
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Nick Hilliard
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Bob Hinden
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Michael Richardson
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Philip Homburg
- Re: [v6ops] [EXTERNAL] Re: draft-ietf-6man-grand … Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] draft-ietf-6man-grand : sa… Ted Lemon
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Templin (US), Fred L
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Ted Lemon
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Templin (US), Fred L
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Ted Lemon
- Re: [v6ops] [EXTERNAL] Re: draft-ietf-6man-grand … Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] draft-ietf-6man-grand : sa… Ted Lemon
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Warren Kumari
- Re: [v6ops] [EXTERNAL] draft-ietf-6man-grand : sa… Templin (US), Fred L
- Re: [v6ops] [EXTERNAL] draft-ietf-6man-grand : sa… Manfredi (US), Albert E
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Fred Baker
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Ted Lemon
- Re: [v6ops] [EXTERNAL] draft-ietf-6man-grand : sa… Templin (US), Fred L
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Ted Lemon
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Templin (US), Fred L
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Jen Linkova
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Philip Homburg
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Philip Homburg
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Templin (US), Fred L
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Lorenzo Colitti
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Gyan Mishra
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Templin (US), Fred L
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Pascal Thubert (pthubert)
- Re: [v6ops] draft-ietf-6man-grand : saving lookups Templin (US), Fred L