Warren "Ace" Kumari

Photo of Warren Kumari

Warren Kumari currently works for Google in the Internet Evangelism group, and has been with the company since 2005. He has over 20 years of experience in the Internet industry, ranging from tiny start-up ISPs to large enterprises. Prior to serving as IETF Operations and Management Area director Warren chaired the OpSec, OpsAWG, DPRIVE, DANE and CAPPORT working groups.

Warren is also active in ICANN, serving on the Security and Stability Advisory Committee (SSAC), and is a consultant to USC/ISI (the operator of B-Root). He also serves as SSAC liaison to the ccNSO TLD-OPS group.

Disclosure: I am employed by Google LLC, and am a no-fee consultant to University of Southern California (USC) / Information Sciences Institute (ISI). Other than a small payment (~$500) for reviewing a book on YANG, I receive no other funding, nor have I ever been asked or felt pressured to support an employer (or other) position.

External Resources

GitHub Username wkumari

RFCs (27)

rfc5635 Aug 2009 Remote Triggered Black Hole Filtering with Unicast Reverse Path Forwarding (uRPF)
Cited by 5 RFCs
rfc6472 Dec 2011 Recommendation for Not Using AS_SET and AS_CONFED_SET in BGP
Cited by 12 RFCs
rfc6583 Mar 2012 Operational Neighbor Discovery Problems
Cited by 11 RFCs
rfc7304 Jul 2014 A Method for Mitigating Namespace Collisions
rfc7342 Aug 2014 Practices for Scaling ARP and Neighbor Discovery (ND) in Large Data Centers
rfc7344 Sep 2014 Automating DNSSEC Delegation Trust Maintenance
Cited by 6 RFCs
rfc7535 May 2015 AS112 Redirection Using DNAME
Cited by 1 RFC
rfc7607 Aug 2015 Codification of AS 0 Processing
Cited by 2 RFCs
rfc7646 Sep 2015 Definition and Use of DNSSEC Negative Trust Anchors
Cited by 1 RFC
rfc7706 Nov 2015 Decreasing Access Time to Root Servers by Running One on Loopback
Cited by 2 RFCs
rfc7710 Dec 2015 Captive-Portal Identification Using DHCP or Router Advertisements (RAs)
Cited by 1 RFC
rfc7871 May 2016 Client Subnet in DNS Queries
Cited by 10 RFCs
rfc8110 Mar 2017 Opportunistic Wireless Encryption
rfc8145 Apr 2017 Signaling Trust Anchor Knowledge in DNS Security Extensions (DNSSEC)
Cited by 3 RFCs
rfc8198 Jul 2017 Aggressive Use of DNSSEC-Validated Cache
Cited by 7 RFCs
rfc8244 Oct 2017 Special-Use Domain Names Problem Statement
Cited by 2 RFCs
rfc8509 Dec 2018 A Root Key Trust Anchor Sentinel for DNSSEC
rfc8767 Mar 2020 Serving Stale Data to Improve DNS Resiliency
Cited by 1 RFC
rfc8805 Aug 2020 A Format for Self-Published IP Geolocation Feeds
Cited by 1 RFC
rfc8806 Jun 2020 Running a Root Server Local to a Resolver
Cited by 2 RFCs
rfc8886 Sep 2020 Secure Device Install
rfc8910 Sep 2020 Captive-Portal Identification in DHCP and Router Advertisements (RAs)
Cited by 2 RFCs
rfc8914 Oct 2020 Extended DNS Errors
Cited by 1 RFC
rfc8976 Feb 2021 Message Digest for DNS Zones
Cited by 1 RFC
rfc9092 Jul 2021 Finding and Using Geofeed Data
rfc9098 Sep 2021 Operational Implications of IPv6 Packets with Extension Headers
rfc9119 Oct 2021 Multicast Considerations over IEEE 802 Wireless Media
Cited by 6 RFCs