Embedded Systems  
The Third Porting: Applying Past Lessons to the Alpha/Itanium Transition

The transition from Alpha to Itanium will be the third major architecture assimilated by the OpenVMS and Tru64 communities since the release of the original VAX-11/780 in 1978. Some aspects of each port have been painless, and others have proven to be challenges.
The announcement of the transition to Itanium has provoked much comment. However, much of the commentary has not addressed the detailed questions of what areas represent significant problems, and what areas are likely to offer fewer problems than might otherwise be expected.
This session will examine the technical aspects of the Itanium transition. Issues will be examined both in the context of the Itanium transition, and in terms of how the details of the Itanium transition compare to previous transitions (VAX->MIPS; VAX->Alpha; PDP-11->VAX; and MIPS->Alpha).
There will be an emphasis on the issues raised by the most recent experiences with porting to Alpha; while earlier examples will be used to further illuminate the technical issues.
This session will be suitable for technical and managerial IT professionals and users.
Session Notes (PDF): Black & White Color
Later Presentations:   Migrating OpenVMS Storage Environments without Interruption of Disruption  (HP Technology Forum 2007)
Strategies for Enterprise Migration from Alpha and VAX to HP Integrity (Encompass-Canada/National Research Council)
The Third Porting: Applying Past Lessons to the Alpha/Itanium Transition (2002 HP Enterprise Technology Symposium)
The Third Porting: Applying Past Lessons to the Alpha/Itanium Transition (2001 Compaq Enterprise Technology Symposium)
Later Publications:   Strategies for Migrating from Alpha and VAX Systems to HP Integrity Servers on OpenVMS (OpenVMS Technical Journal, Volume 10, June 2007)
Inheritance Based Environments in Stand-alone OpenVMS Systems and OpenVMS Clusters (OpenVMS Technical Journal, Volume 3, February 2004)

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