Introduction to Cloud Services Acronyms

Use the filters below to search for Articles and Resources

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 

Get Started

Call now for a no-cost or obligation demo.(800) 939-9440


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 provides enterprise expense management insights to help businesses optimize their operations and reduce costs. This article is a collaborative effort by our expert team members at Tellennium, including Greg McIntyre, Shawn Veitz, Matt McIntyre, and Todd Givens, who collectively bring over 100 years of industry experience.

Explore More Articles

Demystifying he Cloud Unraveling the Complexities

Demystifying the Cloud: Unraveling the Complexities of IaaS, SaaS, and UCaaS

In the ever-evolving landscape of technology, the cloud has emerged as an omnipresent catalyst, reshaping the foundations of business operations. Within the wide realm of cloud services, Infrastructure as a Service (IaaS), Software as a Service (SaaS), and Unified Communications as a Service (UCaaS) are distinct entities.   This article will delve into the differences between

Read More »
5 Reasons AI Will Accelerate Cloud Network Expansion for Enterprises

5 Reasons AI Will Accelerate Cloud Network Expansion for Enterprises

In the rapidly evolving business technology landscape, the increasing embrace of cloud networks has become more prevalent for enterprises worldwide over the past decade.   There are many factors for this, such as increased scalability and network flexibility, infrastructure cost efficiencies, business continuity concerns, and greater access to advanced technologies such as artificial intelligence (AI), which

Read More »


Scroll to Top