Acronyms
A quick reference for the acronyms used throughout this documentation. For fuller definitions of the concepts, see the Glossary.
|
Acronym |
Expansion |
|
2FA |
Two-Factor Authentication |
|
ASN |
Autonomous System Number |
|
BFD |
Bidirectional Forwarding Detection |
|
BGP |
Border Gateway Protocol |
|
BYOL |
Bring Your Own Licence |
|
COF |
Customer Order Form |
|
CPE |
Customer Premise Equipment |
|
C-tag |
Customer VLAN tag (inner 802.1Q tag) |
|
DDoS |
Distributed Denial of Service |
|
DMVPN |
Dynamic Multipoint VPN |
|
DPA |
Data Processing Agreement |
|
DRG |
Dynamic Routing Gateway (Oracle Cloud Infrastructure) |
|
EAS |
Extended Access Services |
|
EoMPLS |
Ethernet over MPLS |
|
ER |
ExpressRoute (Microsoft Azure) |
|
ESP |
Encapsulating Security Payload (IPsec) |
|
EVPL |
Ethernet Virtual Private Line |
|
FWaaS |
Firewall as a Service |
|
GRE |
Generic Routing Encapsulation |
|
GVPN |
Global VPN (Tata Communications MPLS VPN) |
|
HA |
High Availability |
|
HVC |
Hosted Virtual Connection |
|
IaC |
Infrastructure as Code |
|
IKE |
Internet Key Exchange |
|
IPsec |
Internet Protocol Security |
|
L2VPN / L3VPN |
Layer 2 / Layer 3 Virtual Private Network |
|
LAG |
Link Aggregation Group |
|
MACD |
Move, Add, Change, Delete |
|
MACsec |
Media Access Control Security |
|
MPLS |
Multiprotocol Label Switching |
|
MSEE |
Microsoft Enterprise Edge (Azure ExpressRoute edge router) |
|
MTU |
Maximum Transmission Unit |
|
NAT-T |
NAT Traversal (IPsec) |
|
NGE |
Next Generation Encryption |
|
NHRP |
Next Hop Resolution Protocol |
|
NNI |
Network-to-Network Interface |
|
OCID |
Oracle Cloud Identifier |
|
OCI |
Oracle Cloud Infrastructure |
|
OTP |
One-Time Passcode |
|
PE |
Provider Edge (router) |
|
PoP |
Point of Presence |
|
QoS |
Quality of Service |
|
RPO |
Recovery Point Objective |
|
RTO |
Recovery Time Objective |
|
SASE |
Secure Access Service Edge |
|
SD-WAN |
Software-Defined Wide Area Network |
|
SLA |
Service Level Agreement |
|
SSO |
Single Sign-On |
|
S-tag |
Service VLAN tag (outer Q-in-Q tag) |
|
TCR |
Tata Cloud Router |
|
TCx |
Tata Communications customer portal |
|
VC |
Virtual Circuit |
|
VIF |
Virtual Interface (AWS Direct Connect) |
|
VLAN |
Virtual Local Area Network |
|
VNet |
Virtual Network (Microsoft Azure) |
|
VNF |
Virtualised Network Function |
|
VRF |
Virtual Routing and Forwarding |
|
WAF |
Web Application Firewall |
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