Virtual Private Cloud (VPC)
This guide explores how virtual private clouds work and discusses the features and benefits of this emerging offering that provides public cloud tenants a private cloud-like experience.
What is a virtual private cloud (VPC)?
A VPC is a public cloud offering that lets an enterprise establish its own private cloud-like computing environment on shared public cloud infrastructure. A VPC gives an enterprise the ability to define and control a virtual network that is logically isolated from all other public cloud tenants, creating a private, secure place on the public cloud.
Imagine that a cloud provider’s infrastructure is a residential apartment building with multiple families living inside. Being a public cloud tenant is akin to sharing an apartment with a few roommates. In contrast, having a VPC is like having your own private condominium—no one else has the key, and no one can enter the space without your permission.
A VPC’s logical isolation is implemented using virtual network functions and security features that give an enterprise customer granular control over which IP addresses or applications can access particular resources. It is analogous to the “friends-only” or “public/private” controls on social media accounts used to restrict who can or can’t see your otherwise public posts.
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Features
VPCs are a “best of both worlds” approach to cloud computing. They give customers many of the advantages of private clouds, while leveraging public cloud resources and savings. The following are some key features of the VPC model:
Agility: Control the size of your virtual network and deploy cloud resources whenever your business needs them. You can scale these resources dynamically and in real-time.
Availability: Redundant resources and highly fault-tolerant availability zone architectures mean your applications and workloads are highly available.
Security: Because the VPC is a logically isolated network, your data and applications won’t share space or mix with those of the cloud provider’s other customers. You have full control over how resources and workloads are accessed, and by whom.
Affordability: VPC customers can take advantage of the public cloud’s cost-effectiveness, such as saving on hardware costs, labor times, and other resources.
Benefits
Each VPC’s main features readily translate into a benefit to help your business achieve agility, increased innovation, and faster growth.
Flexible business growth: Because cloud infrastructure resources—including virtual servers, storage, and networking—can be deployed dynamically, VPC customers can easily adapt to changes in business needs.
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