rfc9469v2.txt | rfc9469.txt | |||
---|---|---|---|---|
Internet Engineering Task Force (IETF) J. Rabadan, Ed. | Internet Engineering Task Force (IETF) J. Rabadan, Ed. | |||
Request for Comments: 9469 M. Bocci | Request for Comments: 9469 M. Bocci | |||
Category: Informational Nokia | Category: Informational Nokia | |||
ISSN: 2070-1721 S. Boutros | ISSN: 2070-1721 S. Boutros | |||
Ciena | Ciena | |||
A. Sajassi | A. Sajassi | |||
Cisco | Cisco | |||
August 2023 | September 2023 | |||
Applicability of Ethernet Virtual Private Network (EVPN) to Network | Applicability of Ethernet Virtual Private Network (EVPN) to Network | |||
Virtualization over Layer 3 (NVO3) Networks | Virtualization over Layer 3 (NVO3) Networks | |||
Abstract | Abstract | |||
An Ethernet Virtual Private Network (EVPN) provides a unified control | An Ethernet Virtual Private Network (EVPN) provides a unified control | |||
plane that solves the issues of Network Virtualization Edge (NVE) | plane that solves the issues of Network Virtualization Edge (NVE) | |||
auto-discovery, tenant Media Access Control (MAC) / IP dissemination, | auto-discovery, tenant Media Access Control (MAC) / IP dissemination, | |||
and advanced features in a scablable way as required by Network | and advanced features in a scablable way as required by Network | |||
skipping to change at line 224 ¶ | skipping to change at line 224 ¶ | |||
of the tenant and local inter-subnet forwarding is required across | of the tenant and local inter-subnet forwarding is required across | |||
those subnets. | those subnets. | |||
IRB: Integrated Routing and Bridging. It refers to the logical | IRB: Integrated Routing and Bridging. It refers to the logical | |||
interface that connects a Broadcast Domain instance (or a BT) to | interface that connects a Broadcast Domain instance (or a BT) to | |||
an IP-VRF and forwards packets with a destination in a different | an IP-VRF and forwards packets with a destination in a different | |||
subnet. | subnet. | |||
MAC-VRF: A MAC Virtual Routing and Forwarding table, as defined in | MAC-VRF: A MAC Virtual Routing and Forwarding table, as defined in | |||
[RFC7432]. The instantiation of an EVI (EVPN Instance) in an NVE. | [RFC7432]. The instantiation of an EVI (EVPN Instance) in an NVE. | |||
Route Distinguisher (RD) and Route Target(s) (RTs) are required | A Route Distinguisher (RD) and one or more RTs are required | |||
properties of a MAC-VRF, and they are normally different from the | properties of a MAC-VRF, and they are normally different from the | |||
ones defined in the associated IP-VRF (if the MAC-VRF has an IRB | ones defined in the associated IP-VRF (if the MAC-VRF has an IRB | |||
interface). | interface). | |||
NVE: Network Virtualization Edge. A network entity that sits at the | NVE: Network Virtualization Edge. A network entity that sits at the | |||
edge of an underlay network and implements Layer 2 and/or Layer 3 | edge of an underlay network and implements Layer 2 and/or Layer 3 | |||
network virtualization functions. The network-facing side of the | network virtualization functions. The network-facing side of the | |||
NVE uses the underlying Layer 3 network to tunnel tenant frames to | NVE uses the underlying Layer 3 network to tunnel tenant frames to | |||
and from other NVEs. The tenant-facing side of the NVE sends and | and from other NVEs. The tenant-facing side of the NVE sends and | |||
receives Ethernet frames to and from individual Tenant Systems. | receives Ethernet frames to and from individual Tenant Systems. | |||
End of changes. 2 change blocks. | ||||
2 lines changed or deleted | 2 lines changed or added | |||
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