PPT-Rolling the Keys of the DNS Root Zone

Geoff Huston Member of the KSK Roll Design Team Five Years Ago The Eastern KSK Repository The Western KSK Repository El Segundo California No that s not really a picture of the the El Segundo KSK repository facilities. 500 400 475 575 775 875 1450 1600 450 575 625 825 925 1550 1700 1000 600 675 800 1025 1175 2050 2200 650 775 850 1075 1225 2150 2300 1500 800 875 1025 1275 1475 2650 2800 850 975 1075 1325 1525 2750 2900 2000 1000 1075 1250 1525 1775 3250 3400 1050 1 Theory. 1. How DNS works. Theory. 2. 3. How DNS Works - Theory. Domain names. Arranged in a tree. Cut into zones. Each served by a nameserver. 4. How DNS Works - Theory. Domain name space consists of a tree of domain names. Lecture 10: DNS. (What’s in a Name?). Based on Slides by D. . Choffnes. (NEU). Revised by P. Gill Spring 2015. Some content on DNS censorship from N. Weaver.. Layer 8 (The Carbon-based nodes). 2. If you want to…. Lecture 10: DNS. (What’s in a Name?). Based on Slides by D. . Choffnes. (NEU). Revised by P. Gill Fall 2014. Some content on DNS censorship from N. Weaver.. Administravia. 2. Midterm: 1 week from today. Threats. Efficient IP Company Overview. Americas Headquarters - West Chester, Pennsylvania. European Headquarters - Paris, France. First Commercial . R. elease 1998. Branded EfficientIP In 2004 – Innovative DDI Software Company. Sylvia Ratnasamy. http://inst.eecs.berkeley.edu/~ee122. /. Material thanks to Ion . Stoica. , Scott . Shenker. , Jennifer Rexford, Nick . McKeown. , and many other colleagues. Announcements. Project 3 out on Wednesday, Oct 30. APNIC. https://. xkcd.com. /1361/. Why?. Because everything you do on the net starts with a call to the DNS. If we could see your stream of queries in real time we could assemble a detailed profile of you and interests and activities. APNIC. https://. xkcd.com. /1361/. Why?. Because everything you do on the net starts with a call to the DNS. If we could see your stream of queries in real time we could assemble a detailed profile of you and interests and activities. A modest outlook has been witnessed in the rolling stocks market in the past decade, in line with significant railway infrastructure investments made by national governments. Shenker. and John . Jannotti. Rodrigo Fonseca. Administrivia. Thursday: . TCP Milestone II. HW3 Out. Midterm back early next week. This week: application layer (DNS, Web). We know how to open TCP connections to a server/port:. user, these two servers shall be run in active-active or active Server 3 runs Nixu NameSurfer Suite. This server is used as the hidden DNS primary server supporting IPv4, IPv6, DNSSEC, ENUM and IDN. T Applications. Updated 2-10-15. History. On ARPANet, host names were mapped to IP addresses in a . hosts.txt . file stored on a single master server. Other machines downloaded copies of . hosts.txt . periodically. Making Windows DNS Server Cloud Ready. ~Kumar Ashutosh, Microsoft. Windows DNS Server. Widely deployed in enterprises . Fair presence in the DNS resolver . space. Standards compliant and interoperable. . Network . Programming: . UDP,. . TCP. Th. is. . deck. . of. . slides. are heavily based on CPSC 433/533 at Yale University, by courtesy of Dr. Y. Richard Yang. . Qiao. . Xiang. ,. . Congming.