BGP

E35274

path vector protocol routing protocol

BGP (Border Gateway Protocol) is the primary inter-domain routing protocol used to exchange routing information and determine paths between autonomous systems on the global Internet.

Aliases (3)

Statements (50)

Predicate	Object
instanceOf	path vector protocol → routing protocol →
abbreviationFor	Border Gateway Protocol →
currentVersion	BGP-4 →
definedIn	RFC 4271 →
establishes	peering relationships →
fullName	Border Gateway Protocol →
hasType	eBGP → iBGP →
hasVersion	BGP-1 → BGP-2 → BGP-3 → BGP-4 →
introducedFeature	CIDR → route aggregation →
layer	application layer →
maintainedBy	IETF →
operatesOver	TCP →
predecessor	EGP →
primaryRole	determine paths between autonomous systems on the global Internet →
supports	Classless Inter-Domain Routing → confederations → multipath routing → policy-based routing → route aggregation → route filtering → route reflection →
supportsExtension	BGP communities → BGP confederations → BGP route reflection → Multiprotocol BGP →
tcpPort	179 →
topologyScope	inter-AS →
usedFor	exchanging routing information between autonomous systems → inter-domain routing →
usedOn	Internet →
uses	TCP sessions between peers →
usesAttribute	AGGREGATOR → AS_PATH → ATOMIC_AGGREGATE → COMMUNITY → LOCAL_PREF → MED → MULTI_EXIT_DISC → NEXT_HOP → ORIGIN →
usesMechanism	keepalive messages → route advertisements → route withdrawals →
usesMetric	AS path length →

Referenced by (9)

Subject (surface form when different)	Predicate
BGP ("Border Gateway Protocol") →	abbreviationFor
BGP-4+ ("BGP-4") →	basedOn
BGP ("BGP-4") →	currentVersion
RFC →	defines
BGP-4+ ("Border Gateway Protocol") →	extends
BGP ("Border Gateway Protocol") →	fullName
BGP ("BGP-2") →	hasVersion
Cisco Nexus switches →	supportsProtocol
Internet architecture →	usesProtocol