PPT-Scoring the DNS Root Server System

Geoff Huston APNIC The KSK Roll The current KSK roll at the root of the DNS includes three periods when the signed response to a query for the DNSKEY RR will exceed 1280 octets 2 ICANN KSK Roll presentation . (or Service). (DNS). . Computer Networks . Spring . 2012. DNS Outline. Infrastructure Services. DNS Hierarchical Structure. Root Name Servers. Top-Level Domain Servers. Authoritative Name Servers. Assessing their server availability.. Quantifying their world-wide delay performance.. How to improve delay performance by adding servers.. ABSTRACT. Conduct extensive and thorough measurements that accurately characterize the performance of two large-scale commercial CDNs: Akamai and Limelight.. Magda El Zarki. Prof. of CS. Univ. of CA, Irvine. Email: . elzarki@uci.edu. http: . www.ics.uci.edu. /~. magda. Network Address . Translation - NAT. 3. Private Network. Private IP . network is an IP network that is not directly connected to the Internet. . draft-savolainen-mif-dns-server-selection-04. Teemu Savolainen (Nokia). Jun-ya Kato (NTT). MIF WG meeting @ IETF#79. 11-Nov-2010. Related MIF milestone. 1) DNS server selection solution: a specification for describing a way for a network to communicate to nodes information required to perform advanced DNS server selection at name resolution request granularity in scenarios involving multiple namespaces. The specification shall describe the information to be delivered for nodes and the protocol to be used for delivery.. 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. DDoS. Attack on . QTNet. Kei Nishida, Network Center. Kyushu Telecommunication Network Co.,. Inc. 2. About . QTNet. Company Name. K. yu. shu . T. elecommunication . Net. work Co., Inc. (. QTNet. , for short. Id-NS Project – The National Secure DNS Initiatives. Muhammad Salahuddien – Deputy of Operation and Network Security. Growth, 90+ . M . users, 45+ . M . students, . 200. + Gb/s traffic (transit, IX, CDN), 200% rising local . 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 . Host addresses: . e.g., 169.229.131.109. a number used by protocols. conforms to network structure (. the “where”. ). Host names: . e.g., . instr.eecs.berkeley.edu. mnemonic name usable by humans. 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. Huston. APNIC. February 2014. The E. volution of Evil. It used to be that . they sent . evil packets to . their . chosen . victim. but this exposed the attacker, and limited the damage they could cause. . 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. Domain Name System (DNS). Developed by . Postel. & Mockapetris. www.internic.net. is a good site to browse. The phone book of the internet. But more restrictive … Each entry must be. Unique. Authentic.