- AF: Assured Forwarding
- ATM: Asynchronous Transfer Mode
- BA: Behavior Aggregate
- BC: Bandwidth Constraint
- BC Model: Bandwidth Constraint Model (e.g., RDM, MAM)
- BE: Best Effort
- BW: Bandwidth
- CE: Customer Edge
- CoS: Class of Service
- CR: Constraint-based Routing
- CSPF: Constrained Shortest Path First
- CT: Class Type
- DiffServ: Differentiated Services
- DS: Differentiated Services
- DSCP: DiffServ Code Point
- DS-TE: DiffServ-aware MPLS Traffic Engineering
- E2E: End-to-End
- ECN: Explicit Congestion Notification
- EF: Expedited Forwarding
- E-LER: Egress LER
- E-LSP: EXP-Inferred-PSC LSP
- FEC: Forwarding Equivalency Class
- FTP: File Transfer Protocol
- IGP: Interior Gateway Protocol
- I-LER: Ingress LER
- IntServ: Integrated Services
- IS-IS: Intermediate System to Intermediate System protocol
- LDP: Label Distribution Protocol
- LER: Label Edge Router
- L-LSP: Label-Only-Inferred-PSC LSP
- LSP: Label Switched Path
- LSR: Label Switching Router
- MAM: Maximum Allocation Multiplier
- MAM: Maximum Allocation Model
- MPLS: Multiprotocol Label Switching
- MPLS-TE: Traffic Engineering used in non-DiffServ-aware MPLS networks, applied on aggregated basis
- NNI: Network-to-Network Interface
- OA: Ordered Aggregate
- OSPF: Open Shortest Path First
- PR: Provider router (SP’s router)
- PE: Provider Edge
- PHB: Per-Hop Behavior
- PSC: PHB Scheduling Class
- PVC: Permanent Virtual Connection
- QoS: Quality of Service
- Rd: down-stream Router
- RDM: Russian Dolls Model
- RSVP: Resource reservation Protocol
- Ru: up-stream Router
- S: Stacking bit
- SLA: Service Level Agreements
- SLS: Service Level Specification
- SMTP: Simple Mail Transfer Protocol
- SP: Service Provider
- SPF: Shortest Path First
- SVC: Switched Virtual Connection
- TA: Traffic Aggregate
- TCP: Transmission Control Protocol
- TDM: Time Division Multiplexing
- TE: Traffic Engineering
- TE-Class: set of {Class Type, p} where p is a preemption priority value associated with this TE-Class
- TELNET: a TCP/IP standard protocol for remote terminal service
- TLV: Type Length Value
- TT: Traffic Trunk
- TTL: Time To Live
- UDP: User Datagram Protocol
- UNI: User-to-Network Interface
- VoATM: Voice over ATM
- VoIP: Voice over IP
- VPN: Virtual Private Network
MPLS Acronyms
