MAC-in-MAC
E634602
MAC-in-MAC is an IEEE 802.1ah provider backbone bridging technology that encapsulates customer Ethernet frames inside provider MAC headers to enable scalable, isolated Layer 2 networks.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Ethernet encapsulation mechanism
ⓘ
IEEE 802.1ah technology ⓘ provider backbone bridging technology ⓘ |
| addsHeaderType |
backbone MAC addresses (B‑SA and B‑DA)
ⓘ
backbone MAC header ⓘ backbone VLAN tag (B‑VID) ⓘ |
| alsoKnownAs |
IEEE 802.1ah PBB
NERFINISHED
ⓘ
PBB NERFINISHED ⓘ |
| belongsToFamily | IEEE 802.1 bridging standards NERFINISHED ⓘ |
| classifiedAs | carrier Ethernet technology ⓘ |
| compatibleWith | IEEE 802.1Q VLAN tagging NERFINISHED ⓘ |
| definedInStandard | IEEE 802.1ah NERFINISHED ⓘ |
| designedFor |
large-scale metro Ethernet networks
ⓘ
multi-tenant Ethernet environments ⓘ |
| enables |
customer MAC transparency across provider network
ⓘ
isolated Layer 2 networks ⓘ scalable Layer 2 networks ⓘ |
| encapsulates |
customer MAC addresses
ⓘ
customer VLAN tags ⓘ |
| extends | traditional Ethernet bridging ⓘ |
| focusesOn | data plane encapsulation ⓘ |
| helpsWith | scaling MAC address space in provider networks ⓘ |
| improves | scalability of Ethernet provider networks ⓘ |
| operatesOver | Ethernet provider backbone ⓘ |
| provides | customer traffic separation at MAC layer ⓘ |
| reduces |
MAC address learning requirements in the core
ⓘ
size of provider MAC address tables ⓘ |
| requires | PBB-capable edge bridges ⓘ |
| separates |
customer addressing from provider addressing
ⓘ
customer control plane from provider control plane ⓘ |
| supports |
carrier Ethernet services
ⓘ
hierarchical Ethernet network design ⓘ multi-domain provider networks ⓘ multipoint Ethernet services ⓘ point-to-point Ethernet services ⓘ service multiplexing over a shared backbone ⓘ service provider VPN-like Ethernet services ⓘ traffic isolation between customers ⓘ virtual private LAN services (VPLS) over Ethernet backbones ⓘ |
| supportsLayer | Layer 2 ⓘ |
| usedAt | provider edge (PE) devices ⓘ |
| usedBy |
carrier Ethernet networks
ⓘ
telecommunications service providers ⓘ |
| usedFor | carrier-class Ethernet transport ⓘ |
| usedIn | provider backbone bridging (PBB) ⓘ |
| usesEncapsulation | customer Ethernet frames inside provider MAC headers ⓘ |
| usesIdentifierType | I‑SID (Service Instance Identifier) ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.