Private Cloud Architecture Utilizing Software Defined Networking (SDN) & hyper-converged Infrastruct

Summary: Private cloud computing incorporating SDN and hyper-converged infrastructure provides a highly secured IT environment and an innovative business model making enterprises more reliable and responsive.

Private Cloud software service providers host their applications online allowing clients to use the applications easily throughout the Internet increasing client mobility and ease of access crucial for large organizations. The cloud model is a more flexible and reliable application used providing rapidly scalable resources based on virtualized infrastructure.

Software defined networking (SDN) is a cost effective, convenient and highly flexible function. This architecture is used to cover several kinds of network technologies allowing engineers and administrators to react rapidly to altering business requirements. The main goal of SDN is making network changes swift and flexible controlling network infrastructure based on network data flow requirements.

In legacy or classic routing every packet of network switches to correct destination according to IP destination address or next hop and are treated consistently by a common routing table. Software Defined Networks utilize a separate controller functioning as a routing table that allows for more rapid variation in traffic forwarding. For example a network engineer can change packet rules on the fly to help manage traffic load, congestion control and create secure isolations. SDN allows network manager to use fewer legacy switches and routers due to the SDN cloud providing the same functionality.

Hyper-convergence (hyperconvergence) is a type of infrastructure system with a software-centric architecture that tightly integrates compute, storage, networking and virtualization resources and other technologies from scratch in a commodity hardware box. In a converged infrastructure, each of the components in the building block of cloud is a discrete component that can be used for its intended purpose -- the server can be separated and used as a server, just as the storage can be separated and used as functional storage. In a hyper-converged infrastructure, the technology is software defined, so that the technology is, in essence, all integrated and cannot be broken out into separate components. The advantage is fewer discreet components in the cloud and increased efficiencies such as differentiating storage locations to local and central unavailable in converged systems.

Hyper-Converged Private Cloud utilizing SDN provides several benefits such as:

• On demand self service
• Cost effectiveness
• Broad network access
• Resource pooling
• Rapid elasticity
• Sharing by multiple tenants
• Raised efficiency
• Increased flexibility

For more information please visit: Software defined networking (SDN)

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