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Archive for the ‘Engineered Systems’ Category

Cloud Models

Posted by appsinfo on April 3, 2018

Based on ownership, size and access a cloud deployment model represents a specific type of cloud environment – Public, Private and Hybrid model

Private cloud

  • Private cloud is cloud infrastructure operated solely for a single organization, whether managed internally or by a third-party, and hosted either internally or externally.
  • Undertaking a private cloud project requires significant engagement to virtualize the business environment, and requires the organization to reevaluate decisions about existing resources.
  • It can improve business, but every step in the project raises security issues that must be addressed to prevent serious vulnerabilities.
  • Self-run data centers are generally capital intensive.
  • They have a significant physical footprint, requiring allocations of space, hardware, and environmental controls.
  • These assets have to be refreshed periodically, resulting in additional capital expenditures

Public cloud

  • A cloud is called a “public cloud” when the services are rendered over a network that is open for public use.
  • Public cloud services may be free.
  • Technically there may be little or no difference between public and private cloud architecture, however, security consideration may be substantially different for services (applications, storage, and other resources) that are made available by a service provider for a public audience and when communication is effected over a non-trusted network.
  • Public cloud service providers like Amazon Web Services (AWS), Oracle, Microsoft and Google own and operate the infrastructure at their data center and access is generally via the Internet.
  • AWS, Oracle, Microsoft, and Google also offer direct connect services called “AWS Direct Connect”, “Oracle FastConnect”, “Azure ExpressRoute”, and “Cloud Interconnect” respectively, such connections require customers to purchase or lease a private connection to a peering point offered by the cloud provider.

Hybrid cloud

  • Hybrid cloud is a composition of two or more clouds (private, community or public) that remain distinct entities but are bound together, offering the benefits of multiple deployment models.
  • Hybrid cloud can also mean the ability to connect collocation, managed and/or dedicated services with cloud resources.
  • Gartner defines a hybrid cloud service as a cloud computing service that is composed of some combination of private, public and community cloud services, from different service providers.
  • A hybrid cloud service crosses isolation and provider boundaries so that it can’t be simply put in one category of private, public, or community cloud service.
  • It allows one to extend either the capacity or the capability of a cloud service, by aggregation, integration or customization with another cloud service.
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Posted in Cloud, Engineered Systems, Infrastructure, Leadership, Oracle Cloud, Oracle ExaData & ExaLogic | Leave a Comment »

New VM for PeopleSoft using VM template

Posted by appsinfo on December 27, 2015

How to create New VM for PeopleSoft using VM template on Oracle Database Appliance 

Assuming we have already Download VM template from the Oracle Metalink, below are the following steps to follow: Read the rest of this entry »

Posted in Engineered Systems, Infrastructure, Oracle ExaData & ExaLogic, PeopleSoft | Leave a Comment »

Engineered Systems – ODA X5-2

Posted by appsinfo on December 15, 2015

Oracle Database Appliance X5-2

Oracle Database Appliance X5-2 hardware is a 6U rack containing two Oracle Linux servers and one storage shelf. Each server with core Intel Xeon E5-2699 v3 processors, 256 GB of memory, and 10 (10GbE) external networking connectivity. Read the rest of this entry »

Posted in Engineered Systems, Oracle ExaData & ExaLogic | Tagged: | Leave a Comment »

Starting with Exadata

Posted by appsinfo on October 29, 2014

Starting with Exadata

It comes in a rack with the components that make up a database infrastructure: disks, servers, networking gear, and so on. Three configuration types are available: (1) full rack, (2) half rack, or (3) quarter rack. The architecture is identical across all three types but the number of components differs. Read the rest of this entry »

Posted in Engineered Systems, Infrastructure, Oracle EBS 12.2, Oracle ExaData & ExaLogic | Tagged: , , | Leave a Comment »