i5/OS and OS/400 (5722-SS1): Architecture 505
Draft Document for Review October 18, 2004 5486OpS.fm
Clustering and high availability
High availability options include faster, less expensive system-to-system
clustering options and the ability to switch applications, data, and resources
between multiple iSeries servers. Cross-site mirroring (XSM), new with i5/OS
Version 5 Release 3 (V5R3), extends mirrored support for independent auxiliary
storage pools (IASPs) to geographically distant servers.
High-speed link (HSL) OptiConnect is much faster and lower cost than System
Products Division (SPD) OptiConnect. Switchable disk with switchable IASPs
offers a way to switch applications and data to a backup system to keep the data
constantly available.
i5/OS V5R3 supports output queues, some operating system objects, and
integrated file systems (IFS) in the IASPs.
TCP/IP
on demand business runs on Transmission Control Protocol/Internet Protocol
(TCP/IP). iSeries TCP/IP is rich in function and is designed for high performance
and ease of use. Dynamic Domain Name System and Network Quality of Service
are among the features supported.
Wireless capabilities
This built-in feature enables business-to-business (B2B) solutions and connects
mobile devices to core business solutions with Extensible Markup Language
(XML) enablers built in to i5/OS and OS/400.
OS/400 PASE
OS/400 Portable Application Solutions Environment (PASE) offers improved
enablement for porting UNIX applications to the iSeries server. OS/400 PASE
now provides 64-bit support for AIX 5L Version 5.2.
OS/400 Directory Services
OS/400 Directory Services supports IBM SecureWay® Directory Version 3.2. It
provides distributed functions support for products such as WebSphere, Policy
Director, MQSeries, Meta-Directory, and HTTP Server.
Internet Printing Protocol
Internet Printing Protocol (IPP) provides Web-enabled worldwide print support.
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