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IP overview of three elements of network programming

Three elements of network programming IP summary

  • Unique identification of each device in the network
  • Each network terminal has an independent address in the network , We use this address to transmit data over the network .
  • ipconfig: View this machine IP192.168.12.42
  • ping: Test connection 192.168.40.62
  • Local loop address :127.0.0.1 255.255.255.255 It's a broadcast address
  • IPv4:4 Byte composition ,4 individual 0-255. Probably 42 Billion ,30 Billion in North America , Asia 4 Billion .2011 It was exhausted at the beginning of the year .
  • IPv6:8 Group , Each group 4 individual 16 Hexadecimal number .
  • 1a2b:0000:aaaa:0000:0000:0000:aabb:1f2f
  • 1a2b::aaaa:0000:0000:0000:aabb:1f2f
  • 1a2b:0000:aaaa::aabb:1f2f
  • 1a2b:0000:aaaa::0000:aabb:1f2f
  • 1a2b:0000:aaaa:0000::aabb:1f2f
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