GATT Caching

First read:

• Attribute Caching in BLE: Advantages and Pitfalls

Some references:

• bluetoothctl remove XX:XX:XX:XX:XX:XX does not remove cache file #191
• Service changed indication
• Service Change on BLE GATT Table
• https://stackoverflow.com/questions/43446918/bluez-showing-old-cached-data-on-dbus

• ESP-IDF:
  • How to Indicate BLE 'Service Changed' (0x2A05) #451
  • How to Indicate BLE 'Service Changed' (0x2A05) #1777
    • service_change_demo.zip
  • Generating Indications for Service Changed Characteristic (0x2A05) for Gatt Attribute Service (0x1801)
• NRF
  • Service Changed indications