Basic Terms

• FETCH
  • To acquire data
  • Download
• WRITE
  • To write data
  • Upload
• TRAP
  • TODO: Under construction
• Storage
  • Server to accumulate data
• Gateway
  • Bridging the devices connected by IEEE1888 and different protocols
  • Watt meter <> RS485 <> GW <> IEEE1888 <> Storage
  • Temperature sensor <> I2C <> GW <> IEEE1888 <> Storage
• APP
  • Read and write data using IEEE1888
  • For example, if it is a viewer, the APP will FETCH and display from Storage
  • If it's analysis applications, APP does FETCH and writes analysis results from Storage
• Point, Point ID
  • Measurement points, similar to variables
    • Temperature of a certain point
    • Power at a certain point
  • Shown by URI. However, does not correspond to IP address. Only used as an unique identifier.
    • http://ujyu.net/laboratory/temperature
      • ujyu.net->Managed by Ujyu
      • laboratory->Location
      • temperature->Point
      • It is ok to use ujyu.net, however it will be better to possess your own unique domain.
      • Again, it is an identifier.