Designing Private Cloud Infrastructure

Overall rating: 4.85 Instructor: 4.89 Materials: 4.85 more …

Numerous enterprise data centers have less than a few thousand servers (in bare-metal or VM format). These data centers could use high-density compute, storage and networking components to build a corresponding private cloud that would fit in just a few racks… and yet many of them use outdated technologies and design approaches in their private cloud planning and rollouts.

This vendor-agnostic webinar describes the infrastructure requirements of small- and medium-sized private clouds and presents an architectural blueprint that could be used to design simple-to-operate private clouds.


This webinar is part of Cloud Computing and Networking roadmap and accessible with standard subscription

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This webinar covers high-level design decisions and various design options. You'll find in-depth descriptions of technologies mentioned in this webinar in the following webinars:

The webinar was completely refreshed in June 2019.


High-Level Decisions

This section focuses on high-level decisions that have to be made before the decision to build a private cloud is reached: defining the customers, the services and the extent of the self-service capabilities.

Technical Guidelines

Covers the high-level technical guidelines one should keep in mind when designing a new private cloud infrastructure: from the focus on standardization and automation to ruthless conservatism and simplicity.

Collecting the Requirements

This section describes the requirements you have to collect before you start the infrastructure design.

Compute Resources

Modern high-density servers pack tens of cores, hundreds of gigabytes of RAM and multiple 10GE uplinks in a single 1RU package. This section describes how you can benefit from the advances in server architectures and how you can meet legacy hypervisor design guidelines (example: 6 uplinks) in 10GE environment.

Selecting the Storage Solution

Storage technologies used to be easy – you had to select the target storage capacity, IOPS and SAN bandwidth. Modern storage solutions range from storage arrays with SSD caches to distributed files systems (VMware VSAN, Nutanix …).

This section describes generic storage selection guidelines: LUN sharing or file system access? Storage arrays or distributed storage? FC, iSCSI or NFS?

Network Services Implementation

Network services were traditionally implemented with physical appliances, but the advances in x86 server performance and appliance software made virtual appliances an affordable alternative that allows you to implement flexible highly available designs that were simply impossible to achieve with hardware appliances.

Network Virtualization Technology

VLANs or overlay networks? There’s no right answer – it all depends on your choice of network services implementation, required network stability, size of the data center network and expected number of tenants.

Network Infrastructure

You can start designing the network infrastructure only after you know the required bandwidth and the expected traffic mix. It makes sense to start the network design phase only after the servers, storage and network services appliances have already been selected.

This section starts with a simple 2-switch design and slowly grows it into a full-blown data center network.

Target Audience

Network architects and designers planning and designing private clouds with less than a few thousand virtual servers.

You should have moderate understanding of data center technologies (including storage technologies like FC/FCoE if applicable in your environment) to get the most benefit from this webinar’s design discussions and guidelines. For a recommended list of prerequisite webinars see the Prerequisites tab.


Designing Private Cloud Infrastructure webinar relies on concepts and technologies explained in numerous other webinars, including:

You can get access to all these webinars with the Cloud Computing webinar bundle or yearly subscription.

Happy Campers

About the webinar

Great show once again. I am very curious about more specifics about going 'all virtual'. For example how an eBGP session would land in the network. e.g. physical provider uplink in core decoupled from the BGP sw process running in a VM. Also from a security perspective how to protect that 'core resource' from the external world connecting to it.

Stefan de Kooter
Excellent session, as usual...
Gingembre Pierre-Louis
Good summary how we can start the cloud journey.
Artur Pinto
This is a great course where you can get shared worldwide experiences from the best ICT Specialists.
Valter Milanese
I am not not familiar with systems (always worked with routers and switches in sp env and now I changed position and its like I am from another planet). I like to know the why behind of all things, this is the best. Also you manage to explain things I do know in a very simple way.
Ioanna Fouraki
As usually great :)
Boris Khasanov
I have always been lack of vendor-agnostic design materials. This course helped me become more confident and provided great outlook how things can be and should not be done.
Andrey Voynovich

About the instructor

Great on-time delivery of recordings. I couldn't sit through the end and was very happy to be able to finish up the next day.
Stefan de Kooter

About the materials

Great and to the point webinars and materials. Is great that you strive to be vendor agnostic
Kenny Sallee
It would be nice to have some more technical details about the current options, maybe in a next webinar a deep dive version.
Artur Pinto
Keep materials updated, this is the best course I have seen by far.
Andrey Voynovich


@ioshints Quite enjoyed the webinar today thanks!