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Over the past decade, Red Hat has helped tens of thousands of customers with critical endeavors around infrastructure modernization. Specifically, this has meant migrating from proprietary, closed infrastructure based on RISC/UNIX to industry standard open systems based on the x86 architecture. As Gartner notes in their April 2012 report "While steady, the [Unix to Linux] migrations have been phased by degree of complexity, total cost of ownership (TCO) savings, modernization priority and degree of internal skills (or transfer of UNIX to Linux skills)."

Factors that have driven the acceleration of UNIX to Linux migration :

  • Improvements to the Linux kernel resulting in greater logical and physical scalability approaching that of the UNIX operating system
  • Technological advancements of the Intel Xeon-EX processor family around scalability, reliability, and performance
  • Advancements to hypervisors and virtualization tools driving greater efficiency in the utilization of x86 servers
  • Broader ISV support for Linux as a mainstream, target operating system

Impacts :

  • By 2017, 65% of applications running on proprietary versions of Unix in 2012 will have been migrated to x86 (primarily on Linux), making IT planning essential.
  • ERP scale-out architectures on x86 platforms with Windows or Linux will rise from a 10% ratio in 2005 to 80% in 2017 for application and database management system (DBMS) online transaction processing (OLTP) workloads, making ERP/x86 standard.
  • By 2020, the Unix market vendor share will comprise one predominant vendor, with about a 60% market share, and two others dividing the remaining share, incurring a potential procurement risk in a one-vendor market.
  • Linux scalability and reliability will have surpassed Unix by 2017, but scale-out cluster and fabric architectures will remain the predominant Linux deployment style in 2017.
  • The Unix decline will be steepest in the 2014 to 2015 period, when the heaviest migration from HP-Unix/Itanium is expected, and should be planned according to the circumstances at that time.

Red Hat Enterprise Linux

The foundation for next-generation architectures, with support for all major hardware platforms and thousands of commercial and custom applications.

Red Hat Satellite

The easiest way to manage Red Hat Enterprise Linux, keeping your systems running efficiently, properly secured, and compliant with various standards.

Red Hat Enterprise Linux OpenStack Platform

Secure, scalable platform for building public and private clouds.

Migrate from IBM AIX

Migrating helps you control IT costs, reduce vendor lock-in, and scale your IT department. Red Hat Enterprise Linux successfully replaces traditional UNIX workloads, making IT more agile as datacenters evolve from physical, to virtual, to cloud deployment models.

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Migrate from HP-UX

For more than a decade, Red Hat Enterprise Linux has successfully replaced HP-UX and other UNIX platforms. It runs critical datacenter applications and workloads throughout the enterprise, reducing operational and capital expenses and giving you more flexibility in your choice of hardware vendors.

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Migrate from Solaris

Red Hat Enterprise Linux is a proven alternative to Solaris, with increased flexibility to scale and meet rapidly changing business requirements—at a significantly lower cost and with no vendor lock-in.

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