Re: [DNSOP] I-D Action: draft-ietf-dnsop-avoid-fragmentation-00.txt

2020-07-08 Thread Marek Majkowski
On Wed, Jul 8, 2020 at 10:01 AM wrote: > > DNSOP WG, > > Paul Vixie and I submitted draft-ietf-dnsop-avoid-fragmentation-00. > Please review it. Hi! > UDP requestors and responders SHOULD send DNS responses with > IP_DONTFRAG / IPV6_DONTFRAG [RFC3542] options, which will yield > either a silent

Re: [DNSOP] I-D Action: draft-ietf-dnsop-avoid-fragmentation-00.txt

2020-07-09 Thread Marek Majkowski
On Thu, Jul 9, 2020 at 3:35 AM Mark Andrews wrote: > > I have two problems with this proposal. First, it doesn't mention IPv4 > > vs IPv6 differences at all. In IPv4 landscape fragmentation, while a > > security issue, is generally fine. In the IPv6 world, fragmentation is > > disastrous - packets

Re: [DNSOP] I-D Action: draft-ietf-dnsop-avoid-fragmentation-00.txt

2020-07-09 Thread Marek Majkowski
On Thu, Jul 9, 2020 at 10:28 AM wrote: > > From: Marek Majkowski > >> UDP requestors and responders SHOULD send DNS responses with > >> IP_DONTFRAG / IPV6_DONTFRAG [RFC3542] options, which will yield > >> either a silent timeout, or a network (ICMP) error,