Tuesday, December 19, 2017

IT Acronyms in a fast pased world.

The IT world is SO full of acronyms and the list is growing and changing all the time as new technologies come in and old technologies disappear. 

Here are some of the current acronyms from the Carrier/Telco perspective:


ATM:           Asynchronous Transfer Mode
b/s:               Bits per second
CE:              Carrier Ethernet
CEN:           Carrier Ethernet Network. A network that supports MEF services
CCM:           Continuity Check Message
CIR:             Committed Information Rate
CoS:             Class of Service
CRC:            Cyclical Redundancy Check
CSMA/CD:   Carrier sense, multiple access/collision detection
DA:               Destination Address
DEI:              Discard Eligibility Indicator
EIR:               Excess Information Rate
EVPL:           Ethernet Virtual Private Line service
EMS:            Element Management System
ENNI:           External Network-to-Network Interface
EPL:              Ethernet Private Line
EVC:             Ethernet Virtual Connection
FC:                Fibre Channel
FDV:              Frame Delay Variation (commonly “jitter”)
FIB:               Forwarding Information Base
FLR:              Frame Loss Ratio
G.709:            ITU-T recommendation for interfaces for the Optical Transport Network
GbE:              Gigabit Ethernet (10 GbE = ten gigabit Ethernet, 100 GbE = hundred Gigabit Ethernet)
Gb/s:              Gigabits per second
GFP:              Generic Framing Procedure
IEEE:             Institute of Electrical and Electronics Engineers
IETF:             Internet Engineering Task Force
IP:                  Internet Protocol
ITU-T:            International Telecommunications Union – Telecommunication Standardization Bureau
LACP:            Link Aggregation Protocol
LAN:              Local Area Network
LBM:             Loopback Message
LSP:               Label Switched Path
LTM:              Linked Trace Message
MAC:            Media Access Control
MAN:            Metropolitan Area Network
Mb/s:             Megabits per second
MEF:             Formerly “Metro Ethernet Forum” and today known as simply
“MEF”;          organization that originated the Carrier Ethernet trend and established its service specifications
MPLS:           Multi-Protocol Label Switching
NFV:             Network Functions Virtualization

NMS:            Network Management System
OAM:           Operations, Administration, and Maintenance
OC-n:           Optical Carrier Level n (1, 3, 12, 48, 192, 768)
ODU:            Optical Data Unit
Operator:      The entity that administers a Carrier Ethernet network
ODU:             Optical Data Unit
OTN:             Optical Transport Networking (see G.709)
OVC:             Operator Virtual Connection
P2P:               Point-to-Point
PBB:              Provider Backbone Bridging
PCP:              Priority Code Point
PDU:             Protocol Data Unit
PHY:             Physical
QoS:             Quality of service
RFC:             Request for Comment: IETF’s designation for a standard
RFP:             Request for Proposal

SA:               Source Address
SDH:            Synchronous Digital Hierarchy
SDN:            Software-Defined Network
SLA:             Service-Level Agreement
SONET:        Synchronous Optical Network
STP:              Spanning Tree Protocol
Tb/s:              Terabits per second
TDM:            Time-Division Multiplexing
TWAMP:      Two Way Active Measurement Protocol
UNI:             User Network Interface
VLAN:         Virtual Local Area Network
VoIP:            Voice over IP
WAN:           Wide Area Network