nanog mailing list archives
Re: Return two locations or low TTL [was: DNS caches that support partitioning ?]
From: Shumon Huque <shuque () upenn edu>
Date: Mon, 20 Aug 2012 10:26:55 -0400
On 8/20/12 10:11 AM, Tony Finch wrote:
Patrick W. Gilmore <patrick () ianai net> wrote:On Aug 20, 2012, at 08:47 , Chris Adams <cmadams () hiwaay net> wrote:Most anything that supports IPv6 should handle this correctly, since getaddrinfo() will return a list of addresses to try.Ah, the amazing new call which destroys any possibility of randomness or round robin or other ways of load balancing between A / AAAA records. Yes, all of us returning more than one A / AAAA record are hoping that gets widely deployed instantly. Or not.The problem is RFC 3484 address selection; getaddrinfo is just the usual place this is implemented. I had believed that there was work in progress to fix this problem with the specs but it seems to have stalled. http://tools.ietf.org/html/draft-ietf-6man-rfc3484-revise-05 Tony.
It's in the RFC editor queue actually: http://datatracker.ietf.org/doc/draft-ietf-6man-rfc3484bis/?include_text=1 http://datatracker.ietf.org/doc/draft-ietf-6man-rfc3484bis/history/ --Shumon.
Current thread:
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?], (continued)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Dobbins, Roland (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Patrick W. Gilmore (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Dobbins, Roland (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Patrick W. Gilmore (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Mark Andrews (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Tony Finch (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Patrick W. Gilmore (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Chris Adams (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Patrick W. Gilmore (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Tony Finch (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Shumon Huque (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Tony Finch (Aug 20)
- Message not available
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Tim Chown (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Nick Hilliard (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Mark Andrews (Aug 20)
- Re: Return two locations or low TTL [was: DNS caches that support partitioning ?] Mark Andrews (Aug 20)
- Re: DNS caches that support partitioning ? Aaron Hopkins (Aug 20)
- Re: DNS caches that support partitioning ? Andrew Sullivan (Aug 17)
- Re: DNS caches that support partitioning ? John Levine (Aug 17)
- Re: DNS caches that support partitioning ? Raymond Dijkxhoorn (Aug 18)
- Re: DNS caches that support partitioning ? Patrick W. Gilmore (Aug 18)