Backup items in a business continuity and disaster recovery plan

What is a business continuity and disaster recovery (BCDR) plan? A business continuity and disaster recovery (BCDR) plan is a document that outlines how an organization will continue to operate during an unplanned disruption in service. The plan should include procedures for handling all types of disruptions, including natural disasters, cyberattacks, and other emergencies. The … Read more

Stateless and stateful systems comparison

Introduction Stateless and stateful systems are two distinct approaches in information technology which handle and manage data and transactions differently. This article explores the differences between these two concepts and provide examples of stateless and stateful technologies in both software development and infrastructure systems. Stateless Systems In a stateless system, the server or application does … Read more

Load balancing solutions and design considerations

Introduction to load balancing Load balancing plays a vital role in distributing network traffic efficiently across multiple servers or resources. This article provides a comprehensive overview of load balancers, including their theory, design considerations, persistence types, and load balancing methods. Furthermore, it presents a detailed list of commercial and open source load balancer solutions. Load … Read more

IBM Red Hat RHEL source code is no longer free

IBM Red Hat RHEL source code is no longer free In a release this week, IBM Red Hat says it is putting RHEL source code in the Red Hat Customer Portal (accessible via a subscription). The sole public repository for code releases will be CentOS Stream. “CentOS Stream will now be the sole repository for … Read more

Classification of Artificial Intelligence Concepts and AI Models

artificial intelligence

Introduction Artificial Intelligence (AI) has become a prominent field with wide-ranging applications in various industries. To better understand AI, it is important to classify its concepts and models hierarchically. This article presents a detailed classification of artificial intelligence concepts and AI models, organized in a hierarchical manner based on increasing complexity and capabilities. Artificial Intelligence … Read more

A Comprehensive Guide to Microsoft 365 Exchange Online Data Archival Options

Exchange Online migration design considerations

Introduction In today’s digital age, effective data archival is crucial for businesses to ensure compliance, data protection, and efficient information management. Microsoft 365 Exchange Online offers a range of data archival options designed to meet diverse organizational needs. In a separate article, I have outlined the out-of-the-box available methods for data protection in Microsoft 365 … Read more

Microsoft 365 configuration best practices

microsoft365

Setting the ground for Microsoft 365 configuration best practices It is very common for Microsoft 365 customers to request external consultation on how to properly setup a new Microsoft 365 tenant and subscriptions or re-configure their existing subscription(s) according to Microsoft best practices. This article attempts to put together a Microsoft 365 configuration best practices … Read more

Microsoft 365 external sharing design considerations

Microsoft 365

Introduction The purpose of this article is to present Microsoft 365 external sharing design considerations. When designing your Microsoft 365 tenant, you need to consider a number of factors for allowing or prohibiting access to your Microsoft 365 applications and data to a number of internal and external users. This article discusses the following design … Read more

VPN and Zero Trust clients

VPN

Introduction to VPN and Zero Trust clients VPN (Virtual Private Network) and Zero Trust are both approaches to network security, but they differ in their underlying principles and methods of securing network connections. VPN (Virtual Private Network) A VPN is a network technology that creates a secure and encrypted connection over a public network, such … Read more

The Global Azure Athens 2023 event

global azure 2023 event

The Global Azure Athens 2023 event is coming May 13th in Athens, Greece. This is part of the Microsoft Azure global event taking place in numerous locations around the globe. Tickets to the Athens event can be found at: https://www.eventbrite.com/e/global-azure-athens-2023-tickets-588291143647. This year’s clear focus is on Azure’s artificial intelligence, devops, automation, infrastructure as code, analytics … Read more