Rational Host On-Demand

Security-rich browser access to host applications and data

IBM® Rational® Host On-Demand provides security-rich web-to-host terminal emulation and host access application programming support from a single interface. Rational Host On-Demand provides connectivity to TN3270E, TN5250, VT52, VT100, VT220 and VT420 systems; IBM CICS® applications; and FTP servers. Rational Host On-Demand is available as a stand-alone product or as part of the IBM Host Access Client Package and the IBM Rational Host Integration Solution.

Rational Host On-Demand provides low-cost, centrally deployed host access and easy, centralized administration.

  • Security-rich, browser-based host access for users in both intranet and Internet environments.
  • Web-based application programming support for creating custom web applications.
  • Administrative and desktop utilities for faster implementations and user productivity.
  • Wide platform support and integration capabilities for greater return on your existing investments.

Security-rich, browser-based host access

  • Java® technology allows access to your host systems from a web browser, so you can extend host applications and data to remote users, business partners, suppliers and sales personnel.
  • Multiple host system support includes TN3270E, TN5250, VT100, VT220, VT420, Secure Shell (SSH), IBM CICS Transaction Gateway and FTP.
  • Connectivity is Federal Information Processing Standard (FIPS) compliant, and provides Secure Sockets Layer (SSL) and Transport Layer Security (TLS).

Web-based application programming support

  • Rapidly create custom on-demand applications with the Java toolset, including Host Access Beans for Java.
  • Use the Host Access Class Library (HACL) for quick and easy access to host applications.
  • Create custom portlets to access host applications from IBM WebSphere® Portal.

Administrative and desktop utilities

  • The easy-to-use deployment wizard allows you to create custom files containing different configuration information for host sessions.
  • Direct installation and administration from the web server allows you to simplify maintenance and upgrades.
  • User conveniences include Scratch Pad, Screen History, Hot Spots, Quick Connect, Find Text and Display Session Watermark.

Wide platform support and integration capabilities

  • Simplifies your host connectivity needs with a single interface to multiple host systems.
  • Can be installed on nearly any server platform to fit virtually any size organization or branch office.
  • Supports the following operating systems: IBM AIX®, HP UNIX®, IBM i5/OS®, Linux®, Oracle Solaris, Microsoft® Windows® and IBM z/OS®.

Rational Host On-Demand resources

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Rational Host On-Demand

Security-rich browser access to host applications and data

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Below is the summary of software and hardware required for IBM Rational Host On-Demand. For more details, see Supported Platform Details.

Host On-Demand Server requirements


Operating SystemSoftwareHardware
AIX, HP-UX, IBM i, Linux, Solaris, Microsoft Windows®, z/OS

Web servers:

• Lotus Domino
• iPlanet Web Server Enterprise Edition
• IBM HTTP Server
• Apache HTTP Server
• Microsoft IIS


Web application servers:

• WebSphere Application Server
• iPlanet Application Server
• Lotus Domino


LDAP servers:

• IBM Directory Server
• BM LDAP Server running on z/OS		 A system with a DVD-ROM drive, if Host On-Demand is to be installed locally on operating systems other than z/OS

Memory and fixed storage capacity

• For Windows platforms: 600 MB for one user interface language, plus an additional 8 MB for each additional language

• For AIX: 600 MB (includes English as a user interface language and the additional security files), plus an additional 8 MB per additional user interface language

• For Sun Solaris, Linux, HP-UNIXware: 600 MB (includes English as a user interface language), plus an additional 8 MB per additional user interface language

• All others: 600 MB (all languages installed)

• Minimum RAM: 256 MB; Recommended: 512 MB (May differ depending on JRE and its options/parameters used)

For more details on Host On-Demand Server requirements, see Supported Platform Details.


Host On-Demand Client requirements


Operating SystemSoftwareHardware
AIX, Citrix, HP-UX, Linux, Solaris, Mac OS X, Microsoft Windows® Browsers:
• Microsoft Internet Explorer
• Safari
• Firefox

For more details on Host On-Demand Client requirements, see Supported Platform Details.


Host On-Demand miscellaneous supported software


Operating SystemSoftwareHardware



For Web Express Logon:

• Tivoli Access Manager for e-business
• Netegrity SiteMinder
• DB2 Universal Database


Other supported software:

• WebSphere Portal for Multiplatforms
• Acrobat Reader
• CICS Transaction Gateway
• Lotus Expeditor
• Eclipse
• Lotus Notes

For more details on Host On-Demand miscellaneous supported software requirements, see Supported Platform Details.

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