Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Gert Doering
Hi, On Mon, Dec 22, 2014 at 01:23:37PM +1300, Brian E Carpenter wrote: Probe results should probably be cached for a while and interpreted per-prefix not per-address. I agree in principle, just wonder how big the prefix boundary for per-prefix should be... (and I can make cases for a /32

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Markus Stenberg
On 22.12.2014, at 11.54, Gert Doering g...@space.net wrote: On Mon, Dec 22, 2014 at 01:23:37PM +1300, Brian E Carpenter wrote: Probe results should probably be cached for a while and interpreted per-prefix not per-address. I agree in principle, just wonder how big the prefix boundary for

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Gert Doering
Hi, On Mon, Dec 22, 2014 at 12:48:50PM +, Markus Stenberg wrote: be cached for a while and interpreted per-prefix not per-address. I agree in principle, just wonder how big the prefix boundary for per-prefix should be... (and I can make cases for a /32 should be good enough??? or

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Markus Stenberg
On 22.12.2014, at 13.04, Gert Doering g...@space.net wrote: I was actually looking the other way, destination space - if you know that for, say, 2001:608::1 the path over ISP A is better (for whatever local metric), everything else inside 2001:608::/32 will have the same result for the same

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Juliusz Chroboczek
Probe results should probably [be] interpreted per-prefix not per-address. Hmm. Interesting idea. I can imagine some scenarios where it could break -- Ethernet bridged with Wifi (OpenWRT style), mesh networks, or simply a congested, bufferbloated interface. I'm not sure how common such

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Dave Taht
On Mon, Dec 22, 2014 at 5:50 AM, Juliusz Chroboczek j...@pps.univ-paris-diderot.fr wrote: Probe results should probably [be] interpreted per-prefix not per-address. Hmm. Interesting idea. +1. Pick one of dhcp, slaac, or privacy within a prefix with the best lifetime, maybe? I can imagine

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Juliusz Chroboczek
I can imagine some scenarios where it could break -- Ethernet bridged with Wifi (OpenWRT style), If you have two hosts connected to an OpenWRT router, one over Wifi and one over Ethernet, they could have very different performance characteristics while being on the same prefix. expound?

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Gert Doering
Hi, On Mon, Dec 22, 2014 at 03:18:47PM +0100, Juliusz Chroboczek wrote: If you have two hosts connected at different places to the same mesh network, they could have very different performance characteristics while having addresses from the same /64. Indeed, that's the other end of the

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Brian E Carpenter
On 23/12/2014 03:22, Gert Doering wrote: Hi, On Mon, Dec 22, 2014 at 03:18:47PM +0100, Juliusz Chroboczek wrote: If you have two hosts connected at different places to the same mesh network, they could have very different performance characteristics while having addresses from the same /64.

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Michael Richardson
Brian E Carpenter brian.e.carpen...@gmail.com wrote: On the other hand, if we end up having hundreds of addresses on every host, the strategy will need to be rethought. Dave is currently playing with a network where each host has 10 addresses of different kinds, and he's

Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

2014-12-22 Thread Dave Taht
On Thu, Dec 18, 2014 at 2:06 PM, Brian E Carpenter brian.e.carpen...@gmail.com wrote: On 19/12/2014 04:07, Michael Richardson wrote: I am way behind on my mail (this thread) and will be away for the holidays. Merry Christmas, everyone, and to all a happy new year! Dave, my take is that