3.6.5.2.1 STATE_INIT

 Set DATA_LENGTH to UNKNOWN.
 Set DATA_TIMESTAMP to UNKNOWN.
 Set BYTES_TRANSFERRED to 0.
 Set SUSPENDED to FALSE.
 Set SINGLE_RANGE_ONLY to FALSE.
  

If BPCR_ALLOWED is set to TRUE the client MUST set STATE to STATE_SIZE.

If BPCR_ALLOWED is set to FALSE the client MAY set STATE to STATE_SIZE in order to determine the length of the URL prior to download; otherwise, it MUST set it to STATE_DOWNLOAD.<30>