X.3.1.1.1 BD Sector Format

The sector format of BD media shall comply with one of the following applicable definitions:

OSTA Universal Disk Format Specification (UDF) Version 2.5. April 30, 2003.

OSTA Universal Disk Format Specification (UDF) Version 2.6. March 1, 2005.

Note: BD-RE is a truly random access medium, providing random access to fixed length sectors, hence no multi-session is applicable and packet-written format is not necessary.