Re: [DNSOP] Fw: New Version Notification for draft-yao-dnsop-root-cache-00.txt

2015-10-29 Thread Tony Finch
Bob Harold wrote: > > Reading these various ideas brings up a question in my mind. If a server > queries for the SOA of a zone and the serial number has not changed, can it > then assume that all of the entries in its cache for that zone should still > be valid now, and for

Re: [DNSOP] Fw: New Version Notification for draft-yao-dnsop-root-cache-00.txt

2015-10-28 Thread Bob Harold
On Tue, Sep 29, 2015 at 5:20 AM, Shane Kerr wrote: > Jiankang Yao, > > I think a simpler approach that works in general is the "HAMMER" > approach proposed by Warren Kumari, Roy Arends, and Suzanne Woolf a > couple of years ago: > >

Re: [DNSOP] Fw: New Version Notification for draft-yao-dnsop-root-cache-00.txt

2015-10-28 Thread Robert Edmonds
Bob Harold wrote: > Reading these various ideas brings up a question in my mind. If a server > queries for the SOA of a zone and the serial number has not changed, can it > then assume that all of the entries in its cache for that zone should still > be valid now, and for the their original TTL

Re: [DNSOP] Fw: New Version Notification for draft-yao-dnsop-root-cache-00.txt

2015-09-29 Thread Shane Kerr
Jiankang Yao, I think a simpler approach that works in general is the "HAMMER" approach proposed by Warren Kumari, Roy Arends, and Suzanne Woolf a couple of years ago: https://tools.ietf.org/html/draft-wkumari-dnsop-hammer Basically the idea is that if a query is made for a RRSET that is near

[DNSOP] Fw: New Version Notification for draft-yao-dnsop-root-cache-00.txt

2015-09-28 Thread Jiankang Yao
Dear all, I submit a draft about Decreasing Fetch time of DNS Root Data. Many DNS recursive resolvers have long round trip times to the DNS root server. It has been an obstacle to increse the performance of DNS query. In order to decrease fetch time of DNS root data, this