Re: [DNSOP] Fwd: New Version Notification for draft-muks-dnsop-dns-opportunistic-refresh-00.txt

2017-07-04 Thread Matthijs Mekking
On 04-07-17 10:35, Mukund Sivaraman wrote: BIND's resolver ECS does not cache SOA against an address prefix, but on the authoritative side, note that there is no master file or zone representation for zones with ECS. It is quite possible that if the auth side is using different zone sources for

Re: [DNSOP] Fwd: New Version Notification for draft-muks-dnsop-dns-opportunistic-refresh-00.txt

2017-07-04 Thread Mukund Sivaraman
Hi Matthijs On Tue, Jul 04, 2017 at 09:30:55AM +0200, Matthijs Mekking wrote: > Hi, > > I already said this in private, but will also mention it here: I like > this idea. > > Some initial comments: > > > 1. Why actually define a new option for this. Since the option only uses > one bit to requ

Re: [DNSOP] Fwd: New Version Notification for draft-muks-dnsop-dns-opportunistic-refresh-00.txt

2017-07-04 Thread Matthijs Mekking
Hi, I already said this in private, but will also mention it here: I like this idea. Some initial comments: 1. Why actually define a new option for this. Since the option only uses one bit to request/acknowledge opportunistic refresh, can't we use one bit from the Z field from the OPT Record TT

Re: [DNSOP] Fwd: New Version Notification for draft-muks-dnsop-dns-opportunistic-refresh-00.txt

2017-07-03 Thread Robert Edmonds
Stephen Morris wrote: > Hi > > We have submitted a new draft which attempts to formalize an idea that > has been kicking around for a couple of years, namely to use serial > number information from DNS responses to determine whether stale records > in a cache can be refreshed without the need for

[DNSOP] Fwd: New Version Notification for draft-muks-dnsop-dns-opportunistic-refresh-00.txt

2017-07-03 Thread Stephen Morris
Hi We have submitted a new draft which attempts to formalize an idea that has been kicking around for a couple of years, namely to use serial number information from DNS responses to determine whether stale records in a cache can be refreshed without the need for an upstream query. Please send co