Provider Bridging
E31670
Provider Bridging is an IEEE 802.1 network technology that extends Ethernet to support scalable, VLAN-based traffic separation and forwarding across large carrier or provider networks.
Aliases (3)
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Ethernet extension technology
→
IEEE 802.1 network technology → |
| aimsTo |
improve scalability of VLAN deployments
→
support large numbers of customer VLANs → |
| allows |
multiple customers to use overlapping VLAN IDs
→
|
| alsoKnownAs |
Provider Bridges
→
Q-in-Q → VLAN stacking → |
| belongsToCategory |
VLAN technologies
→
carrier Ethernet technologies → |
| compatibleWith |
existing Ethernet infrastructure
→
|
| definedBy |
IEEE
→
|
| designedFor |
carrier networks
→
provider networks → |
| enables |
customer VLAN tunneling
→
layer 2 service demarcation between customer and provider → scalable Ethernet services → |
| encapsulates |
C-VLAN tags
→
customer VLAN tags → |
| extends |
Ethernet
→
IEEE 802.1Q VLANs → |
| maintains |
customer VLAN transparency across provider network
→
|
| operatesAtLayer |
Data Link Layer
→
Layer 2 → |
| partOfStandardFamily |
IEEE 802.1
→
|
| provides |
layer 2 VPN-like services
→
traffic separation between customers → |
| relatedTo |
IEEE 802.1ah
→
Provider Backbone Bridges → |
| separates |
customer traffic
→
provider traffic → |
| specifiedIn |
IEEE 802.1ad-2005
→
|
| standardizedIn |
IEEE 802.1ad
→
|
| supports |
VLAN-based traffic forwarding
→
VLAN-based traffic separation → metro Ethernet services → service multiplexing over provider networks → |
| taggingMechanism |
802.1ad tag stacking
→
double VLAN tagging → |
| usedIn |
carrier Ethernet deployments
→
metro networks → |
| uses |
EtherType 0x88A8 for S-VLAN tagging
→
S-VLAN tags → outer VLAN tag → service VLAN tags → |
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
IEEE 802.1AE
→
IEEE 802.1AE ("Provider Backbone Bridging") → |
canBeUsedWith |
|
Provider Bridging
("Provider Bridges")
→
|
alsoKnownAs |
|
Provider Bridging
("Provider Backbone Bridges")
→
|
relatedTo |