Introduction to Networks and Networking Applications Peter Marshall, Manager: Academic Networking The University of Western Ontario Computing and Communications Services 1992 12 09 1 Outline o Network Overview o Network Applications o Related services o Answers _ where to find them o Homework! 2 Network Overview o campus: the NIC, the NOC o regional o national o international (US and beyond) 3 Campus Network 4 Regional Network: ONet 5 6 International Connections 7 Basic Network Applications o telnet o FTP (anonymous/ftp and regular) o Usenet news o E-mail 8 More Network Applications o whois o DNS: byname, bynum o archie: searching file archives o WAIS: general searching, local databases o Gopher: internet information explorer 9 Related services o DIALOUT _ LDAC o Datapac 10 Answers _ Where? o WAIS: ftpable readmes, domain names o Gopher: easy access to /usr/doc - FAQs: /usr/doc/FAQ - NIC: /usr/doc/nic - Course notes: /usr/doc/courses - maps: ftp/maps, ftp/maps/uwonet o direct access to /usr/doc/* 11 Homework! 1. print your own copy of the backbone map file (lpr command) 2. go through the WAIS/swais course notes and do the exercises 3. Find the newsletter article on LDAC for dial-out using gopher and report on what it is who to call to get one. 4. Use archie to find out the most recent version of jove 5. What is the machine name of [129.100.38.11]? 6. What is the IP number of sun- con.ccs.uwo.ca? 7. Is there a free Unix for Intel machines? (via FAQ directory) 8. How do I train my cat to use the toilet? (via FAQ directory) 12