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Pros and Cons of using Virtual Private Cloud

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Virtual Private Cloud-VPC

VPC (virtual private cloud) was really a marketing response by public cloud providers that found themselves competing with private clouds, like OpenStack, years ago. Some enterprises didn’t relish the thought of placing their data on a public cloud, sharing pooled resources with other companies—perhaps even their competition.

I was in numerous of these meetings some time past, hearing CIOs proclaim that their data would never exist outside of their firewall. When moving to the cloud, it had been getting to be their cloud in their data center: a personal cloud.

The trouble with private clouds is that they still have a subset of equivalent features and functions because of the public cloud providers. Moreover, private clouds still require buying hardware and software, renting or buying data center space, also as hiring humans to require care of it all. There was typically a negative value to using private clouds and no real security benefits.

VPCs have defined a touch differently counting on which cloud provider or MSP (managed services provider) you decide on, but they need a couple of patterns in common:

  • Your processing and data storage systems aren’t intermingled with other tenants. this is often accomplished by using physical and virtual mechanisms managed by the cloud computing provider.
  • You’ll get a singular private IP subnet that you’ll leverage as if the hardware and software were down the hall.
  • You’ll use secure virtual communications, like a VLAN or VPN. In some cases these connections use the open Internet; in other cases, they’ll have a fanatical circuit on to the cloud provider.

The advantages of a VPC are that you’re ready to functionally use your own private cloud using secure service and you’ll have access to all or any features and functions of the general public cloud computing provider hosting your VPC. There also are some disadvantages to think about.

First is that the cost. Of course, it depends on your public cloud provider or MSP but altogether cases a VPC costs more to work than standard cloud hosting. In some instances, it’s costlier than operating a personal cloud on-premises.

You need to think about ingress and egress costs of knowledge occupation and out of the VPC, plus the value of a personal connection per hour. There are other extras that you simply can choose also, and it won’t be long until the worth of a VPC has gone into the red.

Latency might be a problem for people who use VPCs over the open Internet employing a private connection. Of course, this relies on where you’re using the VPC in reference to the physical point of presence, how chatty the appliance is, and therefore the sort of VPN encryption.

If you gave me a choice of a personal cloud or a VPC, I might likely pick the VPC for a typical deployment. It never made sense to me to create net-new physical hardware and software systems. Considering the shortage of “table stakes features” that non-public clouds offer (and enterprises require), with a really few exceptions, private cloud is never an option.

source: Infoworld

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