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Highly Available Architecture
8 Articles  in this category
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Contents

Highly Available Architecture

8 Articles in this category
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Highly Availabile (HA2)

Itential HA2 Architecture A Highly Available Architecture (HA2) is an Itential architecture where all of the components are redundant and can gracefully tolerate at least 1 (one) catastrophic failure. This architecture is the recommended architect...
Updated on : 01 Oct 2024

Blue/Green Deployment

A Blue/Green deployment has two separate, but identical, environments whereby both "old" and "new" versions of an application are running simultaneously in production. Blue is the old version, and Green is the new one. Users are migrated ...
Updated on : 01 Oct 2024

Shared Token (Redis/Sentinel)

One of the requirements of a large scale web application is the ability to utilize load balancers to control user access to the application. A key component of successful high availability is to ensure that users can transfer from one IAP server to ...
Updated on : 07 Oct 2024

Server Specs

Detailed information to run Itential Highly Available Architecture (HA2).  Notes: For production environments, all IAP components should be installed on their own individual servers to properly support High Avail...
Updated on : 07 Oct 2024

Hardware & Hypervisor Configurations

Processor The processor specification requirements are: Second generation or better Intel Xeon Platinum 8000 series processors. Third generation or better AMD EPYC 7000 series processors. Memory The memory specification requirement is:...
Updated on : 25 Sep 2024

Ports & Networking

In an environment where components are installed on more than one host, the following network traffic flows need to be allowed. All ports and networking specs are TCP protocol unless otherwise noted. Not all ports will need to be open for every supp...
Updated on : 25 Sep 2024

Required Users Accounts in Dependencies

The validated designs are very opinionated installations of Itential and its dependencies. The following user accounts are required by the dependencies for a validated design and are used for the following purposes. ...
Updated on : 01 Oct 2024

Proxy Settings for Pre-Builts

Some network enviroments are set up to have a proxy between the IAP server and the Internet. For those environments, Itential provides proxy support for both HTTP and HTTPS. To fetch available Pre-builts from the Itential OpenSource Registry with ...
Updated on : 25 Sep 2024
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