Essential Guide

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Your manual to the modern cloud computing network

Making networks work quickly and securely in the modern cloud age is not easy. Here's what you must know to fashion a fast-moving, cloud-connected enterprise network today.

Introduction

How does cloud computing affect the network? A short question, but the answers are many and varied. This collection examines the subject of cloud computing networks from many angles, from the basics of terminology to the latest advances, like software-defined networking. If your enterprise is considering the cloud, or already there, this guide is essential for you.

1THE BASICS-

The basics of cloud and the network

To fashion a secure network in the cloud era, it is important to get the basics under your belt. This section offers an overview of cloud history, covers the basics of a cloud-computing architecture, and looks at key issues like visibility, cloud types and more.

Tutorial

Learn the architectural basics of a cloud-computing network

In this primer you'll get the basics of the new shape of the cloud computing network architecture, including an explanation of flat, leaf-spine topology, how to reduce latency and balance bandwidth and more. Continue Reading

Feature

Cloud computing timeline: Where's it been, where's it going?

This timeline takes you through cloud's bumpy history and suggests what's ahead for this technology. Continue Reading

Tip

What switches and other cool tools make the hybrid cloud transparent?

You need to see into your hybrid cloud; here are ways to create the necessary observation posts. Continue Reading

Feature

What to do when public and private collides in the cloud

Unifying public and private cloud resources offers some great benefits, but there are also challenges that make the IT team question its role in a hybrid cloud environment. Continue Reading

2CLOUD NETWORK-

Connecting to the cloud

There are so many basic cloud variations -- private, public, hybrid -- and so many ways in which vendors and enterprises can use them. At the core, though, is cloud networking -- that is, connecting the cloud to those on the network who need to use it. This module looks the details of developing your approach to cloud networking.

Tip

Tools to manage your journey in the cloud

Cloud management can get complex, but there are tools you can use to navigate the bumpy spots. Continue Reading

Tip

How the cloud connects in network as a service

Discover how network as a service affects the cloud's connectivity in the public, private or hybrid realm. Continue Reading

Tip

How does new technology affect the cloud?

What do new applications such as big data analytics and high-performance computing mean for the future of cloud? Continue Reading

Tip

Managing your private cloud network now, and in the future

How network administrators can prep now for high-demand workloads and failover in their private cloud. Continue Reading

3CLOUD WAN-

WAN and the cloud

Where do the cloud and the wide area network (WAN) intersect in your enterprise? And how do you get the best performance from each? This module breaks it all down and guides you to the best way to use cloud with your WAN.

Tip

How to handle WAN and the cloud

Tom Nolle explains the dividing line between cloud and the wide area network, and how to create the best WAN connectivity for cloud computing. Continue Reading

News

What to do about the WAN in the cloud era

With cloud, data centers no longer work as Internet gateways; enterprises must reinvent their WAN architecture. Continue Reading

Tip

Improve public cloud performance over the enterprise WAN.

Learn what experts have to say about improving enterprise cloud performance over the WAN. Continue Reading

4CLOUD SDN-

SDN and the cloud

Software-defined networking (SDN) is key to the future of networking, and it seems poised to solve a lot of thorny cloud-network issues too. This section looks at how SDN will affect the network, cloud security, data centers, and consider, too, how OpenFlow factors in.

Tip

SDN and the cloud: Remaining challenges

SDN in the cloud promises speed and agility, but there are still challenges, like security and encryption, to be faced. Continue Reading

Tip

Will SDN solve the network-as-a-service problem?

Network as a service has encountered problems from Ethernet and IP networking, but SDN might solve them by centralizing a connection permission policy. Continue Reading

Feature

Software-defined networking for the private cloud network bottleneck?

Manual networks are clogging the otherwise-automated private cloud process. Are SDN and network virtualization the solution? Continue Reading

Opinion

Virtual data centers in the cloud could be imminent

Once unthinkable, thanks to SDN and other IT advances virtual data centers migrated between cloud providers should soon be a reality. Continue Reading

Tip

SDN and OpenFlow may be the key to automated cloud

High computing performance requires cloud automation; software-defined networking and OpenFlow seem to be the glue that could hold it all together. Continue Reading

5CLOUD SECURITY-

Security and the cloud

When it comes to computers, and networks, security is always a top issue. This module offers a primer on security in cloud computing and how to make sure your cloud-connected network stays safe.

Tip

A guide to cloud computing security

In this primer, learn the basics of data security, from the threats to enterprises because of the cloud to how best to secure network infrastructure and devices using cloud-based services. Continue Reading

Tip

What is cloud computing, exactly, and why the answer matters

The definition of cloud computing isn't always clear, but clarity is essential for security pros to do their job. Continue Reading

News

Public cloud customers demand a secure, dedicated network

Enterprise customers seek a secure, predictable public cloud network. Continue Reading

Video

Is the cloud more, or less, secure for you?

In this video, Pete Lindstrom considers the question "Does the cloud make you more secure?" and explains why the answer is "It depends." Continue Reading

6GLOSSARY-

Key cloud network terms to know

To understand the issues related to cloud and networking requires some basic terminology. Is your vocabulary current?

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