<s>
IBM	O
Security	O
Directory	O
Server	O
is	O
an	O
enterprise	O
directory	O
for	O
corporate	O
intranets	B-General_Concept
and	O
the	O
Internet	O
.	O
</s>
<s>
IBM	O
Security	O
Directory	O
Server	O
is	O
built	O
to	O
serve	O
as	O
the	O
identity	O
data	O
foundation	O
for	O
rapid	O
development	O
and	O
deployment	O
of	O
Web	B-Application
applications	I-Application
and	O
security	O
and	O
identity	O
management	O
initiatives	O
by	O
including	O
strong	O
management	O
,	O
replication	O
and	O
security	O
features	O
.	O
</s>
<s>
IBM	O
Security	O
Directory	O
Server	O
supports	O
digital	O
certificate-based	O
authentication	O
,	O
the	O
Simple	O
Authentication	O
and	O
Security	O
Layer	O
(	O
SASL	O
)	O
,	O
Challenge-Response	O
Authentication	O
Mechanism	O
MD5	O
(	O
CRAM-MD5	O
)	O
,	O
and	O
Kerberos	B-Protocol
authentication	O
.	O
</s>
<s>
During	O
its	O
inception	O
,	O
IBM	O
named	O
its	O
product	O
the	O
IBM	B-Application
SecureWay	I-Application
Directory	I-Application
.	O
</s>
<s>
With	O
the	O
next	O
version	O
of	O
the	O
product	O
,	O
Release	O
5.2	O
,	O
the	O
name	O
was	O
again	O
changed	O
to	O
include	O
the	O
Tivoli	O
in	O
it	O
,	O
and	O
was	O
known	O
as	O
IBM	B-Application
Tivoli	I-Application
Directory	I-Application
Server	I-Application
.	O
</s>
