PPT-Network Applications: DNS;

Network Programming UDP TCP Th is deck of slides are heavily based on CPSC 433533 at Yale University by courtesy of Dr Y Richard Yang  Qiao Xiang Congming. EE122 Fall 2011. Scott Shenker. http://. inst.eecs.berkeley.edu. /~ee122/. Materials with thanks to Jennifer Rexford, Ion . Stoica. , Vern . Paxson. and other colleagues at Princeton and UC Berkeley. Geoff . Huston,. George . Michaelson. APNIC Labs. October 2015. Recap: “Happy Eyeballs”. Plan A: . If you are Dual Stack and the service you are attempting to connect to . i. s Dual Stack then try to connect using V6 first, and if the connection attempt fails then try using V4 . 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.. DoS. Attacks. Hitesh . Ballani. , Paul Francis. 1. Outline. What is DNS?. What is the . P. roblem?. Solution. Evaluation. Conclusions. 2. Domain Name System. 3. Client. DNS Resolver. Root . Nameserver. What is DNS?. 1. Domain Name System. The . Domain Name System (DNS) is used to resolve human-readable . hostnames . into machine-readable IP . addresses.. How does DNS Works?. 2. How Does DNS Works?. 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. . 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.. 1. Fundamental Problems of . Network Security. Internet was designed without security in mind. Initial design focused more on how to make it work, than on how to prevent abuses. Initial environment mostly consisted of research institutions---assumption on the benign behaviors of users. 0. DNS. DHCP. 管理. 運用. DDNS. Ease of Redundancy. Ease of UI. Backup. Restoration. U. pdates. Ease of :. Focus on DHCP/DNS/Dynamic DNS (D3). Robust Hardware, Ease of UI, High Availability and Secure Software. 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. Jun Ho Huh. Research Scientist. Cybersecurity Lab. . Saurabh Verma, . Ali Hamieh, Jun Huh Ho, Siva Raj Rajagopalan, Maciej Korczynski, Nina Fefferman.. . 1. Motivation . money talks!. . 2. It’s becoming very serious!. 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 Directory Technical Guide June 9 , 202 1 Notices Customers are responsible for making their own independent assessment of the information in this document. This document: (a) is for informational pu By: Dr. T V Gopal, Professor, DCSE, CEG Campus, Anna University, Chennai. e-mail: gopal@annauniv.edu; gopal.tadepalli@gmail.com. Based on my experience in teaching “Network Programming” . [with Focus on UNIX & JAVA] & Research in “Distributed Operating Systems”.