The series on the network virtualization features of Oracle Solaris 11 Express written by Jeff Victor continues with his third post, which deals with the creation of virtual network elements (VNEs). Victor explains that his example employs an old Sun Fire T2000 with a single SPARC CMT (T1) chip and 32GB RAM. He pretends to be implementing a 3-tier architecture in this one system, where each tier is represented by one Solaris zone. This mythical example provides access to an employee database, he continues, and the 3-tier service is named 'emp' and VNEs will use 'emp' in their names to reduce confusion regarding the dozens of VNEs created for the services this system will deliver. Victor remarks on the convenience of the dladm(1M) command in Solaris that one can use to create, destroy and configure datalinks such as VNICs. He illustrates his post with numerous code samples.
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The City of San Antonio (CoSA) allows its residents to pay a traffic ticket, apply for a job, or find information about the dozens of activities online. As its server infrastructure had sprawled to keep pace with its service delivery, CoSA decided to upgrade its IT infrastructure to reduce space, maintenance costs, and enhance service. The solution: Sun’s SPARC servers as a platform for Solaris 10 and Solaris Zones, which provided the best roadmap for return on investment (ROI) with its virtualization technologies and energy-efficient, mainframe-class servers.
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A Sun case study focuses on its CMT series, including the UltraSPARC T1, T2 and T2 Plus processors. Author Wynne Wang looks at how a slip in the performance of a non-CMT platform might become a bottleneck in the CMT environment and the possible solutions that could alleviate these type of data center issues.
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