A few years ago, conventional wisdom seemed to be that, eventually, all workloads would migrate to the public cloud; more specifically that they would all move to the AWS public cloud.

In this blog, we predict a much different future. But first, let us review some cloud history.

Phase 1 — The Cautious Phase

The first phase of cloud started in 2006 with the launch of AWS. I call this first phase the cautious phase. Enterprises were slow to adopt the public cloud initially. …

Hybrid Clouds and AWS Outposts

1 Introduction

Public clouds are improving and rapidly adding new capability. For example AWS, the public cloud leader, introduced 1300 new features in 2017 (AWS re:Invent 2017 Keynote), or 3.5 new features a day! More and more customers are using public clouds for one or more of their workloads. At the same time, private clouds have also evolved rapidly in recent years. The modern private cloud is extremely easy to use, very cost effective, often come in appliance form, and reduce or eliminate the need for the customer to manage infrastructure.

Customers prefer private clouds for running…

1. Introduction

A simple way to think of a blockchain is as an immutable, append-only (no updates, no deletes) database, where any new data cannot conflict with older data in the database. Also, each piece of data has an owner, is replicated many times and is always available. Finally, everyone agrees on the state of the database, though there is no central authority.

Technically speaking, a blockchain is a linked list or chain of blocks, and a block is a group of ordered transactions. Each transaction has a transaction id and is digitally signed by the owner. All transactions are broadcast, so…

As DRAM approaches scaling limits, there is significant industry investment in alternatives. An approach called persistent memory (PM) is emerging that is likely to influence enterprises in important ways. This article describes PM, how applications will benefit and why customers should care.

1. What Is Persistent Memory?

Today we have fast, byte-addressable, volatile DRAM and slower, block-addressable, non-volatile Flash and disk.

Persistent memory is byte-addressable, non-volatile memory that has performance close to DRAM. It is expected to be cheaper than DRAM. PM latencies will be significantly lower (nanoseconds) than Flash (microseconds) or disk (milliseconds). …

Modern private clouds are significantly better today than they were 5 -10 years ago. Yet, the perception of private clouds continues to be significantly colored by our view of what they were like when they were first introduced. For historical reasons, they are still viewed as inferior to public clouds, difficult to setup and manage, needing months of effort to stand up, costly with complex licensing, requiring hard to find and retain skills, lacking in capability, and inadequate for modern workloads. The reality is that none of these perceptions are true about the modern private cloud.

A full private cloud…

This was recently published in Forbes at https://www.forbes.com/sites/forbestechcouncil/2018/06/20/five-common-cloud-misconceptions/#6ddda3131f63

Let me know what you think and share with friends and colleagues if you find it useful.

The rise of cloud, the emergence of integrated systems, and new interconnect technologies are all impacting storage. Here are some thoughts on their influence on the future evolution of storage.

1. There will be a resurgence in shared storage (but FC fades)

SANs provide shared block storage to multiple servers. Lately, there has been a trend away from SANs to direct attached storage, and much speculation about the death of SANs, because:

a. SAN latencies are too high for use with faster SSD storage.

b. SAN arrays are expensive and proprietary. They often use purpose-built hardware and premium-priced drives.


Jai Menon

Recently, there has been a trend away from Storage Area Network or SAN storage and towards direct-attached storage or DAS. Many are predicting the death of SANs. Here, I take a contrarian view. This blog argues that we will see a resurgence of SANs, but based on newer technologies. Furthermore, such shared SAN storage will more often be sold as an integrated system along with servers and networks, and less as separate stand-alone storage.

1. The SAN Era 1994–2012

A storage area network (SAN) is a network that provides access from multiple servers in a data center to shared block storage, such as…

The public cloud has been a disruptive force in our industry. More and more workloads are moving to the public cloud because of its many benefits. Current conventional wisdom is that the public cloud will ultimately be the place most workloads will run, and there is no need to look at alternatives.

While the public cloud has been and continues to be an amazing success story, not everything you hear about it is true. Here are 4 commonly held misconceptions.

1. It is easy to run workloads on the public cloud. “I want it to be as easy to use…

This blog argues that a new form of IT infrastructure, called superconverged, that will make it even easier for enterprise customers to consume IT, will emerge shortly.

1. Convergence Background

The first generation of IT infrastructures were “siloed” 3-tier IT architectures where compute, storage and networking were selected and bought separately by the customer. The onus was on them to make the 3 products work together. Starting from 2007, a second generation of converged infrastructure or CI systems emerged that bundled existing server, storage and networking products, together with management software. This approach reduced from months to weeks the time it took a…

Jai Menon

IBM Fellow Emeritus, Former IBM CTO, Former Dell CTO in Systems. Forbes Technology Council. Chief Scientist @Cloudistics. Technologist, Futurist, Advisor.

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