I-SID (Service Instance Identifier)

E634603
IEEE 802.1ah concept Service Instance Identifier network identifier

I-SID (Service Instance Identifier) is a 24-bit identifier used in Provider Backbone Bridges (PBB) networks to uniquely distinguish and virtualize individual Ethernet services across a shared backbone infrastructure.

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Observed surface forms (1)

Surface form Occurrences
I-SID 0

Statements (46)

Predicate Object
instanceOf IEEE 802.1ah concept ⓘ
Service Instance Identifier ⓘ
network identifier ⓘ
associatedWith B-MAC forwarding ⓘ
backbone MAC-in-MAC encapsulation ⓘ
belongsToLayer data link layer ⓘ
bitLength 24 bits ⓘ
category Ethernet service identifier ⓘ
definedBy IEEE 802.1 working group NERFINISHED ⓘ
distinguishes individual Ethernet services ⓘ
enables isolation of customer traffic ⓘ
service-based forwarding in PBB ⓘ
encapsulatedWithin PBB service encapsulation header ⓘ
fieldType service instance field ⓘ
granularity per service instance ⓘ
identifierSpace 24-bit service instance space ⓘ
independentOf customer VLAN IDs ⓘ
customer addressing ⓘ
mappedFrom customer service identifiers ⓘ
maxNumberOfValues 16777216 ⓘ
operatesOver shared provider backbone infrastructure ⓘ
partOf PBB service model ⓘ
purpose to uniquely identify Ethernet services in a provider backbone ⓘ
to virtualize individual Ethernet services over a shared backbone ⓘ
relatedTo B-VID ⓘ
VLAN ID ⓘ
backbone VLAN ⓘ
role service identifier in PBB ⓘ
scope provider backbone domain ⓘ
standardizedIn IEEE 802.1Q NERFINISHED ⓘ
IEEE 802.1Qay NERFINISHED ⓘ
IEEE 802.1ah NERFINISHED ⓘ
supports large number of Ethernet services ⓘ
scalable service multiplexing ⓘ
usedBy backbone edge bridges ⓘ
provider edge bridges ⓘ
usedFor VPN-like Ethernet services ⓘ
multi-tenant Ethernet services ⓘ
service separation in provider networks ⓘ
traffic segregation per customer service ⓘ
usedIn PBB networks ⓘ
Provider Backbone Bridges NERFINISHED ⓘ
usedInContextOf carrier Ethernet ⓘ
metro Ethernet networks ⓘ
usedWith B-MAC addresses ⓘ
backbone VLAN identifiers ⓘ

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

IEEE 802.1ah → uses → I-SID (Service Instance Identifier) ⓘ