Acronym Glossary - BGP Design and Implementation - page 613

PPP Point-to-Point Protocol. An IETF protocol to exchange packets over a
point-to-point link.

Quality of Service. A mechanism to provide differential treatment to traffic. QoS

QPPB QoS Policy Propagation via BGP. A mechanism to use BGP's attributes
to propagate QoS policies over a network.

RD Route Distinguisher. An 8-byte value prepended to an IPv4 prefix so that it
becomes a unique VPN-IPv4 prefix.

RIB Routing Information Base. A database that stores routing information from
various routing sources.

RIP Routing Information Protocol. An IGP that uses hop count as its primary
routing metric.

RR route reflector. An iBGP speaker that can reflect routes between its clients
and other iBGP speakers.

RT route target. An extended BGP community attached to a VPNv4 prefix for
routing policy control.

SAFI Subsequent Address Family Identifier. A value that is used to further
identify an address group within an address family.

SDH Synchronous Digital Hierarchy. An ITU protocol that is equivalent to
SONET.

SOO site of origin. An extended BGP community to indicate the site that
generates the route.

Tag Distribution Protocol. A Cisco protocol for tag-binding distribution.

TDP

TE traffic engineering. A technique or process used to cause routed traffic to
travel through the network on a path that might be different from one that is
provided by a routing protocol.

TFIB Tag Forwarding Information Base. A database that is used to forward
tagged packets.

UDP User Datagram Protocol. An IETF protocol that provides connectionless
packet delivery.