Mastering SAP ABAP

BDUF/LDUF

LDUF is the process of modeling a small subsystem before coding, and BDUF is also a process of modeling, but in BDUF, the whole system needs to be modeled before implementation. BDUF can also be an anti-pattern for many reasons, but LDUF (or many occurrences of LDUF within a project) is often helpful.

BDUF occurs in one of two categories:

• A document of the high-level architecture, which determines the key features of architecture, but the rest of the things are unspecified and/or unclear.
• General documentation should describe everything from high-level architecture to the smallest detail of the system. These documents are often incoherent as there are no automatic ways to cross-check them.

LDUF can be precise and concise, and ...