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HiperSockets broadcast support for IPv4 packets – Linux,
z/OS, z/VM: Internet Protocol Version 4 (IPv4) broadcast
packets are now supported over HiperSockets internal LANs.
TCP/IP applications that support IPv4 broadcast, such
as z/OS OMPROUTE when running Routing Information
Protocol Version 1 (RIPv1), can send and receive broad-
cast packets over HiperSockets interfaces. This support is
exclusive to z890 and z990. Broadcast for IPv4 packets is
supported by Linux for zSeries. Support is available in z/OS
1.5. Support is also offered in z/VM 4.4 and later.
HiperSockets Network Concentrator
HiperSockets Network Concentrator support, exclusive to
z890 and z990, can simplify network addressing between
HiperSockets and OSA-Express. You can now integrate
HiperSockets-connected operating systems into external
networks, without requiring intervening network routing
overhead, thus helping to increase performance and sim-
plify confi guration. With the HiperSockets Network Con-
centrator support, you can confi gure a special purpose
Linux operating system instance, which can transparently
bridge traffi c between a HiperSockets internal LAN and an
external OSA-Express network attachment, similar to a real
Layer 2 switch which bridges between different network
segments. This support can
make the internal HiperSockets
network address connection
appear as if it were directly con-
nected to the external network.
In the on demand era, security will be a strong require-
ment. The zSeries products will continue to address secu-
rity with announcements and deliveries of products and
features.
The main focus in cryptography will continue to be very
high and scalable performance for SSL algorithms, sec-
ondly, to provide security-rich, symmetric performance for
fi nancial and banking applications using PIN/POS type
encryption. As in the past zSeries will be designed to
deliver seamless integration of the cryptography facilities
through use of ICSF. Use of ICSF will enable applications
to be designed to work without change regardless of how
and where the cryptographic functions are implemented,
and also assure that the cryptography work to be load bal-
anced across the hardware resources. Finally we will be
focused on required certifi cations and open standards.
The existing PCICA card feature will continue to be avail-
able on the z890 and z990 – for SSL acceleration / clear
key operations. To support the increased number of LPARs
available on z890 and z990, the confi guration options
for the crypto PCICA adapter – introduced with the z900
– will be extended to allow sharing of a PCICA over the
whole range of LPARs with a max of 16 LPARs sharing one
PCICA adapter.
In addition to the PCICA, a new crypto adapter (PCIXCC)
is introduced as a functional replacement for the CMOS
Cryptographic Coprocessor and the PCI Cryptographic
Coprocessor. The PCIXCC adapter design introduces
a breakthrough concept which supports high security
demanding applications requiring a FIPS 140-2 level 4
cer-
tifi ed crypto module, and also as an execution environment
for customer written programs and a high performance
path
for Public Key / SSL operations. The PCIXCC hardware
Cryptography