Leitfaden für verteiltes Arbeiten - KEG Saar

Inhaltsverzeichnis
1 Einleitung ..........................................................................3
2 Grundlagen .......................................................................6
2.1 Kommunikationstechnologien.................................................................................... 6
2.1.1 Internet................................................................................................................ 6
2.1.2 E-Mail .................................................................................................................. 7
2.2 Mobile Kommunikation ............................................................................................... 9
2.2.1 GSM (Global System for Mobile Communication)..................................... 11
2.2.2 HSCSD (High Speed Circuit Switched Data) ............................................. 11
2.2.3 GPRS (General Packet Radio Service)....................................................... 11
2.2.4 EDGE (Enhanced Data Rates for Global Evolution) ................................. 12
2.2.5 UMTS (Universal Mobile Telecommunication System)............................. 12
2.2.6 WLAN (Wireless Local Area Network)......................................................... 13
2.2.7 SMS (Short Message Service)...................................................................... 14
2.2.8 EMS (Enhanced Message Service) ............................................................. 14
2.2.9 MMS (Multimedia Message Service) ........................................................... 15
2.2.10 WAP (Wireless Application Protocol) ..................................................... 15
2.3 Sicherheit .................................................................................................................... 16
2.4 Endgeräte ................................................................................................................... 17
2.4.1 Mobiltelefone.................................................................................................... 17
2.4.2 Smartphones.................................................................................................... 18
2.4.3 PDA (Personal Digital Assistants) ................................................................ 19
2.4.4 Blackberry......................................................................................................... 19
2.4.5 Mobile Standardcomputer: Notebook, Laptop, Subnotebook .................. 20
3 Anwendungen.................................................................22
3.1 Groupware .................................................................................................................. 22
3.2 Instant Messaging ..................................................................................................... 28
3.3 Voice-over-IP.............................................................................................................. 28
3.4 Push- E-Mail............................................................................................................... 31
4 Anwendungsszenarien ..................................................33
4.1 Intra-Organisational- Mobile Working..................................................................... 33
4.2 Inter-Organisational................................................................................................... 34