Network

    컴퓨터 네트워크 개론 (3) - Transport Layer 1/2

    Transport Layer(111) 수업목표 Tansport layer services에 대한 원리 이해 multiplexing, demultiplexing reliable data transfer flow control congestion control Internet transport layer protocol UDP: connectionless transport TCP: connection-oriented reliable transport TCP congestion control Transport-layer services Transport services and protocols 서로 다른 host에서 실행중인 Application process 사이의 논리적 통신 제공 transport pro..

    컴퓨터 네트워크 개론 (2) - Application Layer

    Application Layer(124) The goal of this Lecture Transport-layer service model Client-Server 패러다임 Peer-to-peer 패러다임 HTTP, SMTP, DNS, CDNS Socket API Principles of network application Creating a network app 서로 다른 end system에서 작동하며 network를 거쳐 communicate할 수 있는 network app network-core devices를 위한 소프트웨어를 만들 필요는 없음 network-core devices는 유저 applicaion을 run하지 않음 End systmes에 있는 applicaion은 빠른 app 개발과 ..

    컴퓨터 네트워크 개론 (1) - Internet Overview

    Internet Overview(95) The internet: a ‘nuts and bolts’(Component) view Billions of connected computing devices: hosts = end systems(devices) running network apps at Internet’s “edge” Packet switches: forward packets(데이터 chunks) routers, switches Communication links fiber, copper, radio, satellite transmission rate: bandwidth 대역폭 Networks collection of devices, routers, links: managed by an organ..