ITM 301 Lecture Notes - Lecture 8: Wide Area Network, Frame Relay, Fine Music 102.5

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 301
• Professor: Farid Shirazi

Document Summary

>> redirect don"t erase text and append (add on) to existing text command >> file - this is the log file. Solution a: connect remote offices through the internet. The advantage of this is that it is cheap. The disadvantage is that security and privacy are issues. Use a combination of wan existing remote offices. Advantage is that it is secure, private and reliable. Toronto to la use t3 (45mbs), london to toronto t1 (1. 55ms), london to tokyo. Isbn (64 m/s), tokyo to la frame relay (2m/s), london to la dsl(60m/s: pstn (public switched telephone network) 2. is the oldest wan technology it supports modem access to remote offices. Advantage is that it is cheap and private. Disadvantage is unreliable, analog and is very slow. Isdn (integrated service data/digital network) comes in 2 versions: isdn br(basic rate) 2 communication channels 64kb/s each, you can combine these two channels to create 128 kb/s.