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Platform Tiers

Platform Tier Definitions

Following is the current set of platform tier definitions:

Tier 1 Available immediately for new releases.
Tier 2 Porting begins after all tier 1 ports have been completed.
Tier 3 Made available at user's request (no charge).
Tier 4 Porting may be done by request but entails a porting charge and possibly the use of the customer's machine.

The new tier level 3 was added in 2006 to allow better support of high-demand platforms while still addressing the needs of lower demand platforms.

Platform Tier Assignments

The current set of platform tier assignments is as follows:

Tier 1 HP-UX® 10.20, 11.0 (PA-RISC)
Solaris® 2.5.1, 2.6, 2.7, 2.8, 2.9, 2.10 (Sparc)
Red Hat® Linux® 7.2, 8.0 (x86)
Red Hat Enterprise Linux 4, 5 (x86)
Red Hat Enterprise Linux 4, 5 (x86 64-bit)
Tier 2 none
Tier 3 none

Change History

02/07/2017

The following platforms are downgraded to tier 4:

12/16/2015

The following platforms are no longer supported:

8/01/2012

The following platforms are upgraded:

The following platforms are downgraded:

7/31/2010

The following platforms are upgraded:

The following platforms are downgraded:

1/6/2006

These changes track evolving development environments. The following platforms are upgraded to higher tiers:

The following platforms are downgraded to tier 4:

Notes:
* Services for UNIX

Technical Support Policy

Platform tier levels 1, 2 and 3 are fully supported. See the Software Technical Support Policy for more information on platform tier levels and technical support.

Last Update: Tuesday, 7-Feb-2017 10:31:40 EST