PPT-What’s the Time? Geoff Huston

APNIC Background All computers run with some kind of internal oscillator called a clock This clock manages the internal state changes at each cycle of the central processing unit Clock ticks are fed to a digital counter. of Computer Science Engineer ing Univ ersity of ashington Bo 352350 Seattle 981952350 S A ghultencs w ashingtonedu edro Domingos Dept of Computer Science Engineer ing Univ ersity of ashington Bo 352350 Seattle 981952350 S A pedrodcs w ashingtonedu A Geoff and Christine are thirty something churchgoers who love Jesus and love their three kids They consider themselves faithful members of New Life Comm unity Church Their oldest is about to be in the youth group and their youngest is finally out of Geoff Murray showing good form in his Rockpool Alaw Bach I have been asked to write an article on Lyn's and my kayaks which are not the typical Tasmanian fare. Lyn paddles a carbon kevlar Impex Force Dogs Park. My name is Harley Huston. I have two Jack Russell's, one boy and one girl. . My dogs and i. I am against closing the dog park. Dogs need a place to run around. Able to play with other dogs. Team: Delta Sigma Pi. Geoffrey Pole. Amandeep Ghuman. Gabriela Suarez. Yu-Yu “Ellie” Lin. Agenda. Ellie Lin. The Challenge. To establish brand recognition and market share while resolving supply chain challenges without compromising the values of . Michaelson. . APNICLabs. September 2012. What are the questions?. What proportion of DNS resolvers are DNSSEC-capable?. What proportion of users are using DNSSEC-. validatingDNS. resolvers?. Where are these users?. 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. Michaelson. . APNICLabs. October 2012. What are the questions?. What proportion of DNS resolvers are . capable of performing DNS queries using IPv6?. What proportion of users are using . IPv6-capable DNS . Chief Scientist . APNIC Labs. Why pick on the DNS?. The DNS is very . easy . to. tap . and. tamper. DNS queries are open and unencrypted. DNS payloads are not secured and tampering cannot be detected. APNIC. March 2017. The Structure of the Domain Name . Space. www.example.com. .. . (“root”). c. om.. example.com. .. www.example.com. .. Domain Names are a sequence of “labels” delimited by the period character that reflect a hierarchical name structure . APNIC. . Measuring the Internet via Users. At APNIC we’ve been using online ads to measure the . u. ser’s view of the Internet for some years. We ask users to fetch a unique URL. This involves a DNS resolution and a HTTP GET to our servers. Why?. Because we’ve run. out of addresses. again. We’ve been here before .... The original . ARPAnet. design from 1969 used the NCP protocol, which used 8 bit addresses. Maximum network of 256 nodes. Chief Scientist, APNIC. Through the Routing Lens …. There are very few ways to assemble a single view of the entire Internet. The lens of routing is one of the ways in which information relating to the entire reachable Internet is bought together.