Related Implementations

The implementations listed here are referenced in whole or in part by the Linux Standard Base when no formal specification is available.

Table 1-2. Related Implementations

BSD 4.4 Lite version 2 
GNU/Linux defacto standardhttp://www.gnu.org/ 
RFC 1831 & 1832http://www.ietf.org/Still need API reference, instead of protocol reference
RPM Package Format V3.0http://www.rpmdp.org/rpmbook/