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PLATEFORME - Installation & Deployment (EN) > HOPEX Application Server (HAS) Architecture Overview > Software Technology Stack

3. Software Technology Stack

Overview

Web Client

IIS Web Server

HAS Web Application Server

Database SQL Server

3.1. Overview

For each layer of the architecture to operate, a set of technologies and software are required.

Layer	Technology Stack
Web Client	• Web Browser: Google Chrome, Mozilla Firefox ESR, MS Edge Chromium • PDF Reader (optional) • Microsoft Word (optional): https://www.microsoft.com/en-us/microsoft-365/microsoft-office • Microsoft Excel (optional): https://www.microsoft.com/en-us/microsoft-365/microsoft-office
IIS Web Server	• Windows Server 2016, 2019, 2022 (recommended), 2025(2) • Microsoft Internet Information Service (IIS) 10 • Application Request Routing (ARR): https://www.iis.net/downloads/microsoft/application-request-routing • URL Rewrite 2.1 https://www.iis.net/downloads/microsoft/url-rewrite • SSL Certificate
HAS Web Application Server	• Web Browser (Chrome, Firefox, Edge) • Windows Server 2016, 2019, 2022 (recommended), 2025(2) • .NET 8 Hosting Bundle: https://dotnet.microsoft.com/fr-fr/download/dotnet/8.0 • .NET Framework 4.8: https://dotnet.microsoft.com/download/dotnet-framework • Visual C++ Redistributable 2015 – 2022 vc_redist.x64.exe https://aka.ms/vs/17/release/vc_redist.x64.exe • Windows File System • ODBC Driver for SQL Server X64(1): https://docs.microsoft.com/en-us/sql/connect/odbc/download-odbc-driver-for-sql-server?view=sql-server-ver15
Database SQL Server	• SQL Server 2019 or SQL Server 2022 • https://www.microsoft.com/en-us/sql-server

(1) If SQL server is installed on the same server as HAS the client may be already installed.

(2) Starting from HOPEX Aquila V6.1 SP2 onward.

3.2. Web Client

A minimum 1360 x 768 laptop/screen resolution is recommended for optimal rendering of HOPEX Web Front-End.

For the web browser the requirements are:

• HTML5 support

• JavaScript enabled

• Cookies enabled

• Download of files enabled

• Pop-up blocker disabled

• Web storage enabled

3.3. IIS Web Server

We use the Web server to behave as a public Website face to increase security and increase flexibility. Moreover, we use IIS with ARR as a load balancer across the HAS Logical cluster.

The IIS components: HTTP errors, Static Content Compression, HTTP Logging, Tracing and URL Rewrite are required on this server with complementary ARR component.

You must create your own HTTPS / SSL Certificate for the “public” DNS domain.

3.4. HAS Web Application Server

The mentioned software technologies above, must be installed on each HAS Server. HAS Servers work with a self-signed certificate for internal communication. Please refer to chapter 8 Security for more details.

3.5. Database SQL Server

Ensure that the database Collation is set to SQL_Latin1_General_CP1_CI_AS.