254 The Green and Virtual Data Center
Embedded, blade, stackable switches and directors
Routers and gateways for protocol conversion, distance, segmenta-
tion, and isolation
Specialized appliances for security, performance, and application
optimization
Distance and bandwidth optimization for remote data access and
movement
Managed service providers and bandwidth service providers
Diagnostic and monitoring tools including analyzers and sniffers
Cabinets, racks, cabling and cable management, and optical trans-
ceivers
Management software tools and drivers
Block-based storage access involves a server requesting data or writing
data to a storage device, specifying a start and stop or range of bytes to be
processed, usually in increments ...