Änderungen von Dokument 06 Technische Voraussetzungen

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Seiteneigenschaften

Titel

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1		-06 Technische Voraussetzungen
	1	+Technische Voraussetzungen

Inhalt

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4	4	Die Lernplattform ist eine web-basierte Anwendung und hauptsächlich in Java geschrieben. Folgende Standardanwendungen werden unterstützt:
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	76	+{{layout}}
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	79	+The learning platform is a web-based application mainly written in Java. The following standard applications are supported:
	80	+
	81	+* Web server: Apache
	82	+* Application server: Tomcat
	83	+* Management of data: PostgreSQL, XML
	84	+
	85	+To use this learning platform, you need an internet connection and a web browser (Google Chrome, Mozilla Firefox, Internet Explorer, etc.).
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	101	+== Hardware ==
	102	+
	103	+Recommendation for 300 concurrent users:
	104	+
	105	+* 8 GB RAM
	106	+* 2 CPUs > 2 GHz
	107	+* 200 GB HDD
	108	+
	109	+== Software ==
	110	+
	111	+We recommend Linux (64bit).
	112	+
	113	+The following distributions are currently used for productive instances:
	114	+
	115	+* Scientific Linux
	116	+* Red Hat Enterprise Linux
	117	+* Ubuntu
	118	+* Open Suse
	119	+* SUSE Linux Enterprise Server
	120	+
	121	+(% style="text-align: left;" %)
	122	+Other distributions are possible.
	123	+
	124	+(% style="text-align: left;" %)
	125	+=== Software components ===
	126	+
	127	+* Web server: Apache web server + mod_ssl (mod_jk or proxy_ajp)
	128	+* Database server: Postgresql
	129	+* Application server: Java 17, Apache Tomcat 9
	130	+
	131	+=== Distribution ===
	132	+
	133	+* Up to 300 concurrent users: All components on one server
	134	+* Up to 500 concurrent users: Separation between database server and application server
	135	+* Up to 800 concurrent users: Separation between database server, application server, and web server
	136	+* Up to 1200 concurrent users: Multiple OPAL nodes on the application server
	137	+* More than approx. 1500 concurrent users: Multiple application servers
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Datum

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	1	+2020-05-27 15:42:53.184