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• Support for IPv6 and 64-bit addressing
• Peer-to-peer replication provides failover support for
server availability. If a primary master server fails, there
is now a backup master to which LDAP operations can
be directed.
• Large group support helps improve LDAP server perfor-
mance when maintaining large access groups contain-
ing many members.
ICSF
Integrated Cryptographic Service Facility (ICSF) is a part
of z/OS which provides cryptographic functions for data
security, data integrity, personal identifi cation, digital
signatures, and the management of cryptographic keys.
These functions are provided via APIs intended to deliver
the highly scalable and available security features of z/OS
and the zSeries servers. Together with cryptography fea-
tures of zSeries servers, z/OS is designed to provide high
performance SSL, which can benefi t applications that use
System SSL, such as the z/OS HTTP Server and Web-
Sphere, TN3270, and CICS Transaction Gateway server.
ICSF provides support for the z990 and z890 PCIX Cryp-
tographic Coprocessor (PCIXCC), a replacement for the
PCICC and the CMOS Cryptographic Coprocessor Facility
that were found on the z900 and z800. All of the equivalent
PCICC functions offered on the PCIXCC are expected to
be implemented with higher performance. In addition,
PCIXCC implements the functions on the CMOS Crypto-
graphic Coprocessor Facility used by known applications.
PCIXCC supports secure cryptographic functions, use of
secure encrypted key values and user-defi ned extensions.
PKI Services
PKI Services is a z/OS component that provides a com-
plete Certifi cate Authority (CA) package for full certifi cate
life cycle management. Customers can be their own Cer-
tifi cate Authority, with the scale and availability provided by
z/OS. This can result in signifi cant savings over third party
options.
• User request driven via customizable Web pages for
browser or server certifi cates
• Automatic or administrator approval process adminis-
tered via same Web interface
• End user / administrator revocation process
• Certifi cate validation service for z/OS applications
Firewall
• Firewall Technologies provide sysplex-wide Security
Association Support: This function is designed to enable
VPN (virtual private network) security associations to
be dynamically reestablished on a backup processor in
a sysplex when a Dynamic Virtual IP Address (DVIPA)
takeover occurs. When the Dynamic Virtual IP Address
give-back occurs, the security association is designed
to be reestablished on the original processor in the
sysplex. When used in conjunction with z/OS Communi-
cations Server’s TCP/IP DVIPA takeover/give-back capa-
bility, this function provides customers with improved
availability of IPSec security associations.