How to name a device

Each device atSign can be used for multiple devices and so each device needs a unique name.

Device Name Format

The device name has the following constraints.

• May contain only the following characters:

  • a-z (lowercase letters)

  • 0-9 (numbers)

  • _ (underscore)

  • - (dash)

• Maximum of 36 characters.

• Must start with a letter.

Examples

my_host
canary02
oci_mail_0001
dc_001_row_009_rack_0067_ru_014
fa4969ca-9714-42a7-8edd-8d15158ce641

Nerdy Stuff

The regular expression (regex)

[a-z][a-z0-9_-]{0,35}

Fun fact!

Originally we only supported alphanumeric snakecase up to 15 characters, but we loosened the constraints to support uuid v4.