In today’s hyper-connected world of cloud computing, understanding the terminology is crucial for professionals striving to stay ahead in their field. Whether you are dealing with Infrastructure as a Service (IaaS), Software as a Service (SaaS), Unified Communications as a Service (UCaaS), or Private Cloud environments, a solid grasp of industry acronyms can significantly facilitate your professional communications.
This resource is designed specifically for IT, finance, utility, and telecommunications professionals working within large enterprises. Our goal is to provide you with a useful guide to the most used acronyms in cloud services, ensuring you have quick and easy access to the terms you encounter daily. Additional resources are available via the Gartner glossary.
This Resource Covers
Each acronym is accompanied by its full form and a brief description to provide context and enhance your understanding.
- Infrastructure as a Service (IaaS): Delve into the core components and services that form the backbone of cloud infrastructure.
- Software as a Service (SaaS): Explore the essential terms related to the delivery of software applications over the internet.
- Unified Communications as a Service (UCaaS): Understand the terminology associated with integrated communication services.
- Private Cloud: Familiarize yourself with the key concepts and technologies driving private cloud environments.
Cloud Services Acronyms
Infrastructure as a Service (IaaS)
AIOps – Artificial Intelligence for IT Operations
AKS – Azure Kubernetes Service
ALB – Application Load Balancer
API – Application Programming Interface
AZ – Availability Zone
BGP – Border Gateway Protocol
CAPEX – Capital Expenditure
CDN – Content Delivery Network
CI/CD – Continuous Integration/Continuous Deployment
CLI – Command Line Interface
DNS – Domain Name System
DRaaS – Disaster Recovery as a Service
EBS – Elastic Block Store
EC2 – Elastic Compute Cloud
ECS – Elastic Container Service
EFS – Elastic File System
EIP – Elastic IP Address
EKS – Elastic Kubernetes Service
ELB – Elastic Load Balancing
EMR – Elastic MapReduce
ETL – Extract, Transform, Load
FSx – Amazon FSx for Windows File Server
FTPS – File Transfer Protocol Secure
GKE – Google Kubernetes Engine
Glacier – Amazon Glacier
GPU – Graphics Processing Unit
HCI – Hyper-Converged Infrastructure
HPC – High Performance Computing
IaaS – Infrastructure as a Service
IaC – Infrastructure as Code
IAM – Identity and Access Management
ITSM – IT Service Management
JSON – JavaScript Object Notation
KMS – Key Management Service
NAT – Network Address Translation
NFV – Network Functions Virtualization
NLB – Network Load Balancer
OPEX – Operating Expense
OVF – Open Virtualization Format
OVN – Open Virtual Network
P2P – Peer to Peer
RDS – Relational Database Service
ROI – Return on Investment
RTOS – Real-Time Operating System
S3 – Simple Storage Service
SDK – Software Development Kit
SDN – Software-Defined Networking
SFTP – Secure File Transfer Protocol
SLA – Service Level Agreement
SQS – Simple Queue Service
SRE – Site Reliability Engineering
SR-IOV – Single Root I/O Virtualization
TCO – Total Cost of Ownership
VLAN – Virtual Local Area Network
VM – Virtual Machine
VPC – Virtual Private Cloud
VPN – Virtual Private Network
WAF – Web Application Firewall
XML – Extensible Markup Language
YAML – Yet Another Markup Language
Software as a Service (SaaS)
AI – Artificial Intelligence
AIaaS – Artificial Intelligence as a Service
API – Application Programming Interface
AR – Augmented Reality
BCDR – Business Continuity and Disaster Recovery
BI – Business Intelligence
BPM – Business Process Management
CAPEX – Capital Expenditure
CASB – Cloud Access Security Broker
CDP – Customer Data Platform
CI/CD – Continuous Integration/Continuous Deployment
CLI – Command Line Interface
CMS – Content Management System
CRM – Customer Relationship Management
DL – Deep Learning
DRaaS – Disaster Recovery as a Service
EPM – Enterprise Performance Management
ERP – Enterprise Resource Planning
ERP – Enterprise Resource Planning
FSM – Field Service Management
GDPR – General Data Protection Regulation
HCM – Human Capital Management
HIPAA – Health Insurance Portability and Accountability Act
HRM – Human Resource Management
IAM – Identity and Access Management
IDaaS – Identity as a Service
JSON – JavaScript Object Notation
LMS – Learning Management System
MFA – Multi-Factor Authentication
ML – Machine Learning
MLaaS – Machine Learning as a Service
MMS – Marketing Management System
NLP – Natural Language Processing
OCR – Optical Character Recognition
OPEX – Operating Expense
PaaS – Platform as a Service
PIM – Product Information Management
PRM – Partner Relationship Management
RBAC – Role-Based Access Control
ROI – Return on Investment
RPA – Robotic Process Automation
SaaS – Software as a Service
SASE – Secure Access Service Edge
SCM – Supply Chain Management
SCP – Service Control Point
SDK – Software Development Kit
SFA – Sales Force Automation
SIEM – Security Information and Event Management
SLA – Service Level Agreement
SRE – Site Reliability Engineering
SRM – Supplier Relationship Management
SSO – Single Sign-On
TCO – Total Cost of Ownership
TMS – Transportation Management System
UC – Unified Communications
VR – Virtual Reality
WMS – Warehouse Management System
XML – Extensible Markup Language
YAML – Yet Another Markup Language
Unified Communications as a Service (UCaaS)
BYOD – Bring Your Own Device
CaaS – Communication as a Service
CCaaS – Contact Center as a Service
CDR – Call Detail Record
CLI – Calling Line Identification
CPaaS – Communications Platform as a Service
CPQ – Configure, Price, Quote
CRM – Customer Relationship Management
CSAT – Customer Satisfaction
CSBP – Call Signaling and Bearer Path
CTI – Computer Telephony Integration
CX – Customer Experience
DaaS – Desktop as a Service
DDoS – Distributed Denial of Service
DES – Data Encryption Standard
DID – Direct Inward Dialing
DND – Do Not Disturb
DNIS – Dialed Number Identification Service
DNSSEC – Domain Name System Security Extensions
DTMF – Dual-Tone Multi-Frequency
E2E – End-to-End Encryption
E911 – Enhanced 911
FAX – Facsimile
FMC – Fixed-Mobile Convergence
H.323 – ITU-T protocol suite for multimedia communication
HD Voice – High Definition Voice
IM – Instant Messaging
IVR – Interactive Voice Response
JID – Jabber Identifier
MSP – Managed Service Provider
MSRP – Message Session Relay Protocol
NAT – Network Address Translation
OS – Operating System
PBX – Private Branch Exchange
PoE – Power over Ethernet
PSTN – Public Switched Telephone Network
QoS – Quality of Service
RCS – Rich Communication Services
RTC – Real-Time Communication
RTCP – Real-Time Control Protocol
RTMP – Real-Time Messaging Protocol
RTP – Real-Time Transport Protocol
SBC – Session Border Controller
SIP – Session Initiation Protocol
SMS – Short Message Service
SRTP – Secure Real-Time Transport Protocol
SSL – Secure Sockets Layer
TLS – Transport Layer Security
TTS – Text-to-Speech
UC – Unified Communications
UCaaS – Unified Communications as a Service
VaaS – Video as a Service
VDI – Virtual Desktop Infrastructure
VoIP – Voice over Internet Protocol
VoWiFi – Voice over WiFi
XMPP – Extensible Messaging and Presence Protocol
Private Cloud
ACL – Access Control List
API GW – API Gateway
ARM – Azure Resource Manager
ASG – Auto Scaling Group
BYOK – Bring Your Own Key
CAC – Customer Acquisition Cost
CMDB – Configuration Management Database
CORS – Cross-Origin Resource Sharing
CSP – Cloud Solution Provider
CSR – Certificate Signing Request
DAC – Discretionary Access Control
DAG – Directed Acyclic Graph
DCIM – Data Center Infrastructure Management
DFS – Distributed File System
DLP – Data Loss Prevention
DRM – Digital Rights Management
DSA – Digital Signature Algorithm
ESP – Encapsulating Security Payload
EUC – End User Computing
HCI – Hyper-Converged Infrastructure
HIDS – Host Intrusion Detection System
HSM – Hardware Security Module
IDaaS – Identity as a Service
IDM – Identity Management
IPSec – Internet Protocol Security
ITIL – Information Technology Infrastructure Library
JWT – JSON Web Token
KVM – Kernel-based Virtual Machine
LB – Load Balancer
LDAP – Lightweight Directory Access Protocol
LXC – Linux Containers
MAC – Mandatory Access Control
MAM – Mobile Application Management
MPLS – Multi-Protocol Label Switching
MQ – Message Queue
NACL – Network Access Control List
NAS – Network Attached Storage
NFV – Network Functions Virtualization
NIST – National Institute of Standards and Technology
OPA – Open Policy Agent
OS – Operating System
P2V – Physical to Virtual
Private Cloud – A cloud computing environment dedicated to a single organization
PUE – Power Usage Effectiveness
RAID – Redundant Array of Independent Disks
RBAC – Role-Based Access Control
RMM – Remote Monitoring and Management
SAML – Security Assertion Markup Language
SAN – Storage Area Network
SDN – Software-Defined Networking
SDS – Software-Defined Storage
SD-WAN – Software-Defined Wide Area Network
SPF – Sender Policy Framework
SSL – Secure Sockets Layer
STaaS – Storage as a Service
TLS – Transport Layer Security
V2P – Virtual to Physical
V2V – Virtual to Virtual
VDC – Virtual Data Center
VDI – Virtual Desktop Infrastructure
VLAN – Virtual Local Area Network
VM – Virtual Machine
VNF – Virtual Network Function
VPN – Virtual Private Network
VRRP – Virtual Router Redundancy Protocol
VTL – Virtual Tape Library
ZTA – Zero Trust Architecture
The author, Rob Halik, is a Senior Analyst at Tellennium, specializing in Managed Mobility Services, Telecom Expense Management, and Utility Bill Management. With over 25 years of industry experience, Rob offers enterprise expense management insights to help businesses streamline operations and reduce costs. This article is a collaborative effort by Tellennium’s expert team members, including Greg McIntyre, Shawn Veitz, Matt McIntyre, and Todd Givens, who together bring over 100 years of industry experience to the table.
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