Network

Concepts

  • Bandwidth: Maximum rate of transfer over the internet
  • Latency: Delay between two points in a network
    • delays include propagation delays for signals to travel across medium
    • also includes the processing delays by network devices
  • Jitter: Variation in inter-packet delays
  • Throughput: Rate of successful data transfer (measured in bits per sec)
    • bandwidth, latency and packet loss directly affects the throughput
  • PacketPerSecond PPS: how many packets processed per seconds
  • Maximum Transmission Unit MTU: Largest packet that can be sent over the network

Other Domains

The HTTP Packet.

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HTTP Versions

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Routes

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The Ethernet Packet

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TCP & UDP

Connection-oriented vs. connectionless

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Handshake vs. no handshake

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Header (20 bytes) vs. (8 bytes)

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Point-to-point vs. Unicast & Multicast & Broadcast

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Congestion Control vs. no congestion control

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Reliable vs. lossy

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Flow control vs. no flow control

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