The follow are all the abbreviations most commonly used within NebularStack documentation, interfaces and systems.

Acronym / Abbreviation	Description
3GPP	Third Generation Partnership Project. (Mobile Network)
802.3ad	Process that enables grouping of Ethernet interfaces at the physical layer to form a single link layer interface, also known as a link Distribution group (LAG) or LAG bundle. (Networking)
ACCT	Accounting. (Telemetry)
API	Application Interface. (used in integration context)
APN	Access Point Name is the name of a gateway between a mobile network and another computer network, for example to the Internet or Private Enterprise network. (Mobile Network)
ARP	Address Resolution Protocol. Protocol for mapping IPv4 addresses to media access control (MAC) addresses; dynamically binds the IP address (the logical address) to the correct MAC address. (Internet Protocol version 4, Networking...)
AS	Autonomous system. (Networking)
ATTR	Attribute.
AUTH	Authentication. (Identity / Subscriber Management)
BFD	Bidirectional Forwarding Detection. Protocol that uses control packets and shorter detection time limits to more rapidly detect failures in a network. (Networking)
BGP	Border Gateway Protocol. (Networking)
BNG	Broadband Network Gateway. (same as NAS, BRAS)
BRAS	Broadband Access Server. (same as BNG, NAS)
CEN	Carrier Ethernet Network. (Networking)
CERT	Certificate.
CHAP	Challenge Handshake Authentication Protocol (CHAP) is a challenge-response identity authentication protocol. It depends on a combination of CHAP security credentials and a “shared secret” between the requestor (client) and the authenticator (server), and it does not expose a password.
CPE	Customer Premises Equipment. (router or switch for example)
CoS	Class Of Service. (Networking)
DB	Database. (Development)
DC	Data Centre.
DHCP	Dynamic Host Configuration Protocol. (Networking)
DIA	Diameter Service. (part of Subscriber Management)
DNS	Domain Name System or Domain Name Server.
E-ACCESS	Refers to MEF E-Access Services. (Networking)
E-LAN	E-ACCESS Service LAN service on CEN. (Networking)
E-LINE	E-ACCESS Service point to point service on CEN. (Networking)
E-TREE	E-ACCESS Service providing point to multipoint service on CEN. (Networking)
EGP	Exterior Gateway Protocol. (Networking)
ENNI	External Network to Network Interface. (Networking)
ES	Ethernet Segement. Physical or Logical Ethernet domain. When multiple ports over multiple nodes are connected to the same VLAN or VLANs that would be seen as one segment. (Networking)
ESI	Ethernet Segment Identifier. Unique identifier assigned to physical or logical ports spanning multiple nodes connected to same Ethernet-Segment. (Networking)
EVI	EVPN Instance. (Networking)
EVPN	Ethernet VPN, multiple EVIs participating in the same service. (Networking)
FEC	Forwarding Equivalence Class used in MPLS and can be equivalent of a destination prefix, destination class etc. (Networking)
FIB	Forwarding Information Block, packet forwarding lookup table typically on hardware level such as a Packet Forwarding Engine (PFE). (Networking)
FQDN	fully qualified domain name.
FTP	File Transfer Protocol.
FW	Firewall. (Networking)
GGSN	Gateway GPRS Support Node. (Mobile Network)
GIT	GIT is used to manage and store source code. (Development)
GRPS	General Packet Radio Service. (Mobile Network)
HA	High Availability.
HLD	High Level Design. (Documentation)
HTML	Hypertext Markup Language for creating web pages and describes the structure of a web page. (Development)
HTTP	HyperText Transfer Protocol is the computer communication protocol used for most communication on the world wide web. (API, Development...)
HTTPS	Secure version of the HTTP protocol. (API, Develpoment...)
ICMP	Internet Control Message Protocol. (IP, Internet Protocol)
IESG	Internet Engineering Steering Group. (Networking)
IETF	Internet Engineering Task Force. (Networking)
IFD	Interface Device, physical interface/port. (Networking)
IFL	Interface Logical, logical interface/port. (Networking)
IGP	Interior Gateway Protocol. (Networking)
INNI	Internal Network to Network Interface. (Networking)
INV	Inventory.
IP	Internet Protocol.
IPAM	IP Address Management. (Networking / Orchestrator)
IPoE	Internet Protocol over Ethernet. (Networking)
IPv4	Internet Protocol Version 4.
IPv6	Internet Protocol Version 6.
ISIS	Intermediate-System to Intermediate-System, Link state protocol. (Networking)
ISO	International Organization for Standardization. (Networking)
JSON	JavaScript Object Notation. Lightweight format for serialization of data. (API, Development...)
JWT	JSON Web Token (JWT) is an open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed. (API, Development...)
L1	Layer 1 (Physical Layer) in Open Systems Interconnection (OSI) model.
L2	Layer 2 (Data Link Layer) in Open Systems Interconnection (OSI) model.
L2TP	Layer 2 Tunneling Protocol. (Networking)
L2VPN	Layer 2 VPN Service. (Networking)
L3	Layer 3 (Network Layer) in Open Systems Interconnection (OSI) model.
L3VPN	Layer 3 VPN Service. (Networking)
L4	Layer 4 (Transport Layer) in Open Systems Interconnection (OSI) model.
L5	Layer 5 (Session Layer) in Open Systems Interconnection (OSI) model.
L6	Layer 6 (Presentation Layer) in Open Systems Interconnection (OSI) model.
L7	Layer 7 (Application Layer) in Open Systems Interconnection (OSI) model.
LAC	L2TP access concentrator. (Networking)
LACP	Link Distribution Control Protocol. Mechanism for exchanging port and system information to create and maintain LAG bundles. (Networking)
LAG	Link Distribution Group. Two or more network links bundled together to appear as a single link. Distributes MAC clients across the link layer interface and collects traffic from the links to present to the MAC clients of the LAG. Also known as a bundle. (Networking)
LAN	Local Area Network.
LCP	Link Control Protocol (LCP) forms part of the Point-to-Point Protocol (PPP).
LER	MPLS Label Egress Router. (Networking)
LFM	Link Fault Management. Method used to detect problems on links and spans on an Ethernet network defined in IEEE 802.3ah. (Networking)
LLD	Low Level Design. (Documentation)
LLDP	Link Layer Discovery Protocol. Is a standard Data Link Layer protocol used by network devices for advertising of their identity, capabilities, and interconnections on an IEEE 802 LAN network. (Networking)
LNS	L2TP network server. (Networking)
LSP	MPLS Label Switch Path. (Networking)
LSR	MPLS Label Switch Router. (Networking)
MEF	Metro Ethernet Forum. (Networking)
MIP	Network Migration Plan. (Documentation)
MPLS	Multi-Protocol Label Switching. (Networking)
MQ	Message Queue.
MSISDN	Mobile Station International Subscriber Directory Number. (the phone number associated with a single SIM card)
MSS	TCP Maximum Segment Size is a parameter in the options field of the TCP header, which defines the maximum amount of data in bytes that a device can receive in the payload of a TCP packet. (Networking)
MTU	Maximum Transmission Unit is a measurement in bytes of the largest data packets that an interface can transmit. (Networking)
NAS	Network Access Server. (same as BRAS, BNG)
NDP	Neighbour Discovery Protocol (NDP, ND) is a protocol in the Internet protocol suite used with Internet Protocol Version 6 (IPv6). It operates at the link layer of the Internet model,[2] and is responsible for gathering various information required for internet communication, including the configuration of local connections and the domain name servers and gateways used to communicate with more distant systems.
NETCONF	Network Configuration Protocol.
NIP	Network Implementation Plan. (Networking, Documentation)
NMS	Network Management System, Network Management Station. (System that enables a user to configure and monitor network elements)
NTP	Network Time Protocol. Used to synchronize the system clocks of hosts on the Internet to Universal Coordinated Time (UTC).
OBJ	Object. (API)
ODN	Optical Distribution Unit used in PON. (Networking)
OLT	Optical Line Terminal used in PON. (Networking)
ONT	Optical Network Terminal used in PON. (Networking)
ONU	Optical Network Unit used in PON. (Networking)
OOB	Out of Band. OoB Management is when devices (switches, servers, firewall) use a dedicated network for their management.
OS	Operating System.
OSI	Open Systems Interconnection model. (Networking)
OSPF	Open Shortest Path First. Dynamic routing protocol intended to operate within a single Autonomous System. It advertises the states of local network links within the AS and makes routing decisions based on the shortest-path-first (SPF) algorithm (also referred to as the Dijkstra algorithm). OSPF is a link-state routing protocol. (Networking)
P2P	Peer to Peer.
PAP	PAP is short for Password Authentication Protocol. It supports 2-way handshake and transmits the password in plain text.
PARAM	Parameter in query for example.
PE	Provider Edge. (Router or Switch)
POC	Proof of Concept.
PON	Passive Optical Network. (Networking)
PORT	Either a TCP or UDP port. (Layer 4 IP Protocol)
PORT	References a UNI-N/ENNI Interface for a Service. (Physical or Logical Network Connectivity)
PPP	Point-to-Point Protocol. (Networking)
PPPoE	Point to Point Protocol over Ethernet. (Networking)
PROP	Property in object, entity or artifact.
PROTO	Protocol.
PS	PSUEDO-WIRE Virtual Interface. (Networking)
QL	Query Language. (Development)
QoS	Quality Of Service. (Networking)
RADIUS	Remote Authentication Dial-In User Service. (part of Subscriber Management)
RD	Route Distinguisher. (Networking)
RE	Routing Engine. (Networking)
REST	Representational State Transfer is application programming interface that conforms to standard constraints and architecture.
RESTful	an application programming interface conforming to REST standards.
RFC	Request for Comments. (formal document from the Internet Engineering Task Force that contains specifications and organizational notes)
RIB	Routing Information Block. (Networking)
RT	Route Target. (Networking)
SCTP	Stream Control Transmission Protocol. (IP, Internet Protocol)
SGSN	Serving GPRS Support Node. (Mobile Network)
SIM	Subscriber Identity Module. (Mobile Network)
SMTP	Send Mail Transport Protocol. (Communicator, Ticketing...)
SNMP	Simple Network Management Protocol. Protocol governs network management and the monitoring of network devices and their functions.
SPRING	Source Packet Routing in Networking Group. (Networking)
SQL	Structured Query Language. (Development)
SRGB	Segment Routing Group Block. (Networking)
SRTE	Spring Traffic Engineering. (Networking)
SSH	Secure Shell. Protocol that uses strong authentication and encryption for remote access across a nonsecure network. SSH provides remote login, remote program execution, file copy, and other functions.
SSL	Secure Socket Layer. (API, Development...)
STP	Spanning Tree Protocol. Defined in the IEEE standard 802.1D, the Spanning Tree Protocol is an OSI Layer 2 protocol that ensures a loop-free topology for any bridged LAN. This protocol creates a spanning tree within a mesh network of connected Layer 2 bridges (typically Ethernet switches) and disables the links that are not part of that tree, leaving a single active path between any two network nodes.
SYSLOG	System log. (Method for sending and storing messages to a log file for troubleshooting or record-keeping)
TCP	Transmission Control Protocl. (IP, Internet Protocol)
TLS	Transport Layer Security. (API, Development...)
UDP	User Datagram Protocol. (IP, Internet Protocol)
UGW	Universal Gateway. (Mobile Network)
UI	User Interface. (such https://admin.insterstellio.io)
UNI	User Network Interface. (Networking)
UNI-C	The UNI-C is the Customer side of the UNI. (Networking)
UNI-N	The UNI-N is the Provider side of the UNI. (Networking)
VID	VLAN-ID, used to “tag” ethernet packets / mark them with a unique ID. Primarily used to assign and filter packets on interfaces. (Networking)
VLAN	Virtual Lan, consists of many different VIDs. (Networking)
VPLS	Virtual Private LAN Service is a way to provide Ethernet-based multipoint to multipoint communication over IP or MPLS networks.
VRF	Virtual Routing and Forwarding allows having more than one routing table (RIB). (Networking)
VXLAN	Virtual eXtensible Local-Area Network.
WAN	Wide Area Network.
WEB	Same as www, World Wide Web (internet)
WWW	World Wide Web (internet)
XML	Extensible Markup Language is a set of codes, or tags, that describes the text in a digital document. (API, Development...)
eBGP	Exterior Border Gateway Protocol. (Networking)
iBGP	Interior Border Gateway Protocol. (Networking)