© 2011 Sixhills Consulting LtdIT Infrastructure Terminology & JargonInfrastructure LayeringNetworking Applications, e.g.,• IP telephony• IP messaging• ConferencingEnterprise Applications, e.g.,• ERP• CRM• WebsiteNetwork Infrastructure• Routing• Switching• Ethernet (LAN/MAN*)• MPLS/Frame Relay (WAN*)• Internet gatewaysProcessing• Servers (applications, web, database, etc.)• Storage• Data Centres and server rooms*WAN = Wide Area Network, MAN = Metropolitan Area Network, LAN = Local Area NetworkDesktop, Applications, e.g.,• Office• Personal Productivity• SpecialistInformation Technology Sourcing FundamentalsP2
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