Demystifying DAS, SAN, NAS, NAS Gateways, Fibre Channel, and iSC...

by David Sacks IBM Storage ConsultantDemystifying DAS, SAN, NAS, NAS Gateways, Fibre Channel, and iSCSIIBM Storage Networking March 2001Demystifying DAS, SAN, NAS, NAS Gateways, Fibre Channel, and iSCSI. Page 2Contents3 In a Nutshell6 Introducing the Concepts6 Connectivity8 Media9 I/O Protocols10 The Storage Networking Acronyms11 A Tabular Comparison12 Legend13 Exploring the Alternatives13 Direct Attached Storage (DAS)14 Storage Area Networks (SAN)16 Network Attached Storage (NAS)17 Ease-of-ins