Chapter3-F2023-v2.pptx

P2P

• Self-scalability
• Churn
• Trackers
• Torrent (group of peers)

Video Streaming

• CBR, VBR
• Client periodically measures bandwidth, consult manifest
• CDN, enter deep (access networks)
• Bring home (near points of access)

Transport Services

• Provide logical communication between application processes
• Two end hosts only
• One-to-one communication
• Breaks messages into segments, passed to network
• Reassembles, passes to application
• Sender
  • Passed application
  • Determine segment header fields values
  • Creates segment
  • Passes to IP
• Receives segment from IP, checks header values
• extracts application-layer message