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December 27, 2018

Design for Office 365 Network Performance

This article presents architectural design guidelines for enterprise networks providing Microsoft Office 365 services. Office 365 has standard SaaS architectural requirements, but also several unique options to provide optimal application performance, scalability and resiliency. Components outside of the core LAN and WAN environment can affect overall user experience. This includes desktop and other end-user devices,…

December 22, 2018

HTTP/2 Increases Web Page Performance

Brief History of HTTP Way back in the days of telephone modems, pagers, and mainframes, Hypertext Transfer Protocol sprang into existence. Development of HTTP was initiated by Tim Berners-Lee at CERN in 1989. The first documented version of HTTP was released in 1991 as HTTP0.9, HTTP1.0 was introduced and recognized in 1996. HTTP1.1 followed in…

December 12, 2018

Software Defined Networking with Advanced Application Delivery

Organizations are striving to become more agile with the role of IT becoming paramount in importance. Fast roll-out, control and optimization of a wide variety of applications drives revenue, competitive advantages and customer satisfaction. These apps must be optimally delivered and secured regardless of where they reside-on-premise or in public, private or hybrid cloud deployments.…

December 12, 2018

Fast and Secure Microsoft Exchange Deployment

Email System Architecture Email is one of the most commonly used and visible services provided by an IT department. Half the world's population uses email. There will be over 4 billion email users creating 320 billion emails per day by 2021. An email system consists of the following main components: Directory service to lookup user…

June 21, 2017

Application Security in the Cloud: Who's Responsible?

This is a recap of a talk I gave at Cisco’s DevNet Create, a developer conference held last month in San Francisco. We’ve all heard about the benefits of cloud infrastructure: improved productivity, cost savings, efficiency, agility and a host of other buzzwords that paint cloud as the be all, end all for IT. Most…

March 6, 2017

How to Use A10 Lightning ADS in Google Cloud Platform (GCP)

Using the A10 Lightning Application Delivery Service (ADS) in Google Cloud Platform (GCP) helps operations teams easily implement advanced application traffic management capabilities, including elastic load balancing with rich application analytics and integrated application security. Here, we look at how to use A10 Lighting ADS in GCP. A10 Lightning ADS A10 Lightning ADS is a cloud-native…

March 21, 2016

Application Delivery Service Challenges in Microservices-Based Applications

Microservices-based application architectures have ushered in a new era of simplicity in deploying and managing complex application system infrastructure and scaling them almost limitlessly based on traffic demands. But in doing so they have also brought in new complexities and challenges that need to be adequately addressed for IT administrators, DevOps and application owners. The end result…

February 8, 2016

Container-Based Workloads on AWS and Other Clouds

Load balancing is necessary for applications, especially when you start to decouple your applications and move into the world of microservices-based architectures. Tools like Docker, Kubernetes and Swarm help provide some of the essentials for moving in this direction, but you can get stuck on how you balance your workloads. Kubernetes is an open source…