Types of Information: text, graphic, voice; audio; video, game Communication systems: end systems: work-stations, servers, printers networking devices: hub; switch; routers capacity depending on hardware configurations (CPU, RAM, Bus ) | Computer Network 50 units 45minutes unit Lecturer Nguyen Thi Phuong Dung- phuongdungsg@ Referencing from 1. Data- Computer Communication handbook- William Stallings 2. TCP IP Illustrated Volume I - . Stevens 3. Handbook of Computer- Communication Standards- Volume 1. Students should read more 1. Mang May Tinh he thong mo- tg Nguyen Thuc Hai- NXB Giao Duc 2. CCNA- semester 1-2-3-4 Computer Network 1. Layering Architecture 2. LAN 3. TCP IP Model 4. Basic Infrastructure Services 5. Basics of the IP Routing Parti. Layering Architecture 1. Terminologies and Concepts 2. Functions of protocols i. Characteristics of communication. ii. Connection Control - simulation iii. Encapsulation Header iv. Fragment Reassembly v. Flow control Error control vi. Re-order 3. Layering model Purposes Principles 4. OSI model responsibilities functions - Illustration of Layering Model Terminologies and Concepts 1 2 Types of Information - text graphic voice audio video game. Communication systems - end systems work-stations servers printers. - networking devices hub switch routers. capacity depending on hardware configurations CPU RAM Bus. Communication Network. - Definition - Switching techniques CS PS Criteria of transmission. Problems in transmission. Terminologies and Concepts 2 2 Communication network - set of end systems networked through a network with the system of switching or routers. - using different technologies to interconnect between networks Ethernet Frame relay ATM . Switching techniques - Circuit Switching transmission in form of digital signals Physical channel transparent data transfer. - Packet Switching transmission in form of the packet A Packet consists of data and control information addresses. Logical channel buffering for intermediate processes. Only for internal using in ptithcm phuongdungsg@ 1 Communication process Packets Medium Source Address Destination Address Data Communication Address - Source address Destination address - Unicast .
