Virtual Networks Flashcards
Virtual Servers
Multiple virtual instances can exist on one server
Cost savings
Increased bandwidth
Hypervisors
Software that allows virtualization to occur and emulates the physical hardware
Type 1 hypervisor
Run directly on hardware as an OS
Barebones
Type 2 hypervisor
Runs on hardware through another OS
NAS
Network Attached Storage
Disk storage delivered as a service over TCP/IP
SAN
Service Area Network
Specialized LAN designed for data transfer/storage
FC
Fiber Channel
Special purpose hardware providing 1-16Gbps
(virtual storage)
FcoE
Fiber Channel Over Ethernet
Removes need for specialized hardware
Runs over ethernet
(virtual storage)
iSCSI
IP Small Computer System Interface
Lowers cost and is built using Ethernet switches
Relies on allowing jumbo frames over the network
(virtual storage)
InfiniBand
Virtualized Storage
Switched fabric technology for high performance computing
>Gbps
low latency
SDN
Software Defined Networking
Front end for configuring physical and virtual devices throughout the network
VoIP
Voice over IP
Digitizes voice traffic
Uses SIP (Session Initiation Protocol) to setup, maintain, and tear down calls
Virtual Private Branch Exchange and VoIP
Outsource telephone system
Connects VoIP to telephone system
Private cloud
Users only have access to other devices within same cloud or system
NaaS
Networking as a Service
Network outsourced to service provider
Hosted off-site
