PPT-CSCI-1680 Network Layer:

Inter domain Routing Based partly on lecture notes by Rob Sherwood David Mazières Phil Levis John Jannotti Rodrigo Fonseca Administrivia Midterm moved up from 317 to 315 IP due on Friday. Link Layer Reliability. Based partly on lecture notes by David . Mazières. , Phil Levis, John . Jannotti. Rodrigo Fonseca. Administrivia. Snowcast. due on Friday. Homework I out on Thursday. GitHub. Rodrigo Fonseca (. rfonseca. ). http://www.cs.brown.edu/courses/cs168. Based partly on lecture notes by David . Mazières. , Phil Levis, John . Jannotti. , Peterson & Davie. Cast. Instructor: Rodrigo Fonseca (. The UNIX System. Unit V. Permissions. Permissions. all access to directories and files is controlled. UNIX uses discretionary access control (DAC) model . each directory/file has owner. owner has discretion over access control details. Transport Layer II. Data over TCP. Based partly on lecture notes by David . Mazières. , Phil Levis, John . Jannotti. Rodrigo Fonseca. Last Class. Introduction to TCP. Header format. Connection state diagram. Jeffrey Miller, Ph.D.. http://www-scf.usc.edu/~csci201. USC CSCI 201L. Outline. USC CSCI 201L. 2. /25. CORBA. Program. CORBA Overview. The Common Object Request Broker Architecture (CORBA) is the Object Management Group’s (OMG) open, vendor-independent architecture and infrastructure that computer applications use to work together over networks. Shenker. and Mike Freedman. Rodrigo Fonseca. Today’. s Lecture. Classes of attacks. Basic security requirements. Simple cryptographic methods. Cryptographic toolkit (Hash, Digital Signature, …). by Rodrigo . Foncesa. , . Scott . Shenker. and Mike Freedman. Theophilus Benson. Admini. -Trivia. HW #2 graded and on Sakai. Avg. 96%, . StdDev. 20%. Scores out of 120 points (not including 20 for extra credit). Shenker. and Mike Freedman. Rodrigo Fonseca. Today’. s Lecture. Classes of attacks. Basic security requirements. Simple cryptographic methods. Cryptographic toolkit (Hash, Digital Signature, …). Intra-domain Routing. Based partly on lecture notes by David . Mazières. , Phil Levis, John . Jannotti. Rodrigo Fonseca. Today. Intra-Domain Routing . Next class: Inter-Domain Routing. Routing. Routing is the process of updating forwarding tables. Based partly on lecture notes by David . Mazières. , Phil Levis, John . Jannotti. Rodrigo Fonseca. Last time. Physical layer: encoding, modulation. Link layer framing. Today. Getting frames across: reliability, performance. CSCI 330 UNIX and Network Programming Unit XVII: Socket Programming Detail Unit Overview TCP programming socket behavior blocking vs. non-blocking signal handler 2 CSCI 330 - UNIX and Network Programming Link Layer I. Based partly on lecture notes by David . Mazières. , Phil Levis, John . Jannotti. Rodrigo Fonseca. Administrivia. Snowcast. milestone today. “Last commit before midnight”. Schedule your milestone meeting. Rodrigo . Fonseca. With content from Scott . Shenker. , Nick . McKeown. SDN. For now: a new paradigm for network management. SDN widely . accepted as “. future of networking. ”. ~1000 engineers at latest Open Networking Summit. Ion . Stoica. , Scott . Shenker. , Joe . Hellerstein. Rodrigo Fonseca. Today. Overlay networks and Peer-to-Peer. Motivation. Suppose you want to write a routing protocol to replace IP. But your network administrator prevents you from writing arbitrary data on your network.