diff --git a/doc/arm/dlz.rst b/doc/arm/dlz.rst index 1992a35653..e0e609dceb 100644 --- a/doc/arm/dlz.rst +++ b/doc/arm/dlz.rst @@ -15,24 +15,10 @@ Dynamically Loadable Zones (DLZ) Dynamically Loadable Zones (DLZ) are an extension to BIND 9 that allows zone data to be retrieved directly from an external database. There is -no required format or schema. DLZ drivers exist for several different -database backends, including PostgreSQL, MySQL, and LDAP, and can be +no required format or schema. DLZ modules exist for several different +database backends, including MySQL and LDAP, and can be written for any other. -Historically, DLZ drivers had to be statically linked with the ``named`` -binary and were turned on via a configure option at compile time (for -example, ``configure --with-dlz-ldap``). The drivers -provided in the BIND 9 tarball in ``contrib/dlz/drivers`` are still -linked this way. - -In BIND 9.8 and higher, it is possible to link some DLZ modules -dynamically at runtime, via the DLZ "dlopen" driver, which acts as a -generic wrapper around a shared object implementing the DLZ API. The -"dlopen" driver is linked into ``named`` by default, so configure -options are no longer necessary when using these dynamically linkable -drivers; they are still needed for the older drivers in -``contrib/dlz/drivers``. - The DLZ module provides data to ``named`` in text format, which is then converted to DNS wire format by ``named``. This conversion, and the lack of any internal caching, places significant @@ -87,7 +73,7 @@ backend storage of redirection rules: }; -Sample DLZ Driver +Sample DLZ Module ~~~~~~~~~~~~~~~~~ For guidance in the implementation of DLZ modules, the directory