Shortest Path Bridging (SPB)
E696066
Shortest Path Bridging (SPB) is an IEEE 802.1aq standard that simplifies and optimizes Ethernet network design by enabling shortest-path forwarding, multipath routing, and improved scalability in layer 2 networks.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Shortest Path Bridging | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Ethernet control protocol
ⓘ
IEEE networking standard ⓘ layer 2 network technology ⓘ |
| abbreviation | SPB NERFINISHED ⓘ |
| appliesTo | Ethernet networks ⓘ |
| benefit |
eliminates need for spanning tree
ⓘ
improves bandwidth utilization ⓘ reduces convergence time after failures ⓘ simplifies network provisioning ⓘ |
| definedIn | IEEE 802.1aq specification NERFINISHED ⓘ |
| deploymentDomain |
carrier Ethernet networks
ⓘ
data center networks ⓘ enterprise campus networks ⓘ |
| designGoal |
increase network utilization
ⓘ
provide deterministic paths ⓘ simplify configuration of Ethernet networks ⓘ support large numbers of virtual networks ⓘ |
| field | computer networking ⓘ |
| hasVariant |
SPBM
ⓘ
SPBV NERFINISHED ⓘ |
| layer | data link layer ⓘ |
| organization | Institute of Electrical and Electronics Engineers NERFINISHED ⓘ |
| OSIlayer | Layer 2 ⓘ |
| purpose |
enable shortest-path forwarding
ⓘ
improve scalability in layer 2 networks ⓘ simplify Ethernet network design ⓘ support multipath routing ⓘ |
| replaces |
Multiple Spanning Tree Protocol
NERFINISHED
ⓘ
Rapid Spanning Tree Protocol NERFINISHED ⓘ Spanning Tree Protocol NERFINISHED ⓘ |
| SPBMstandsFor | Shortest Path Bridging MAC-in-MAC NERFINISHED ⓘ |
| SPBVstandsFor | Shortest Path Bridging VLAN ⓘ |
| standardNumber | IEEE 802.1aq NERFINISHED ⓘ |
| supports |
MAC-in-MAC encapsulation
ⓘ
VLAN-based services ⓘ equal-cost multipath ⓘ fast convergence ⓘ large layer 2 topologies ⓘ loop-free topology ⓘ multipath forwarding ⓘ provider backbone bridging ⓘ virtualized services ⓘ |
| topologyComputation | shortest path tree ⓘ |
| trafficEngineering | supports multiple equal-cost paths ⓘ |
| uses |
IS-IS
NERFINISHED
ⓘ
link-state routing ⓘ |
| workingGroup | IEEE 802.1 NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.