Network Edge

• Hosts
  • client : 서비스를 요청함.
  • servers : 서비스를 제공함. (주로 데이터 센터 내에 위치)

Access networks, physical media

→ wired, wireless communication link 들을 이용함.

How to connect end systems to edge router?

• Residential access nets (가정용 network)

• Institutional access nets (기관용 network)

  Ex) school, company

• Mobile access nets

고려해야할 점

• bandwidth
• 공유 여부

Access Network : Home Network

Access Networks(Ethernet) : Enterprise

• Institutional Router : 논리적 주소를 사용함. (Software)