< draft-boutros-nvo3-mac-move-over-geneve-01.txt   draft-boutros-nvo3-mac-move-over-geneve-02.txt >
INTERNET-DRAFT Sami Boutros INTERNET-DRAFT Sami Boutros
Intended Status: Standard Track Jerome Catrouillet Intended Status: Standard Track Jerome Catrouillet
Sri Mohana Singamsetty
VMware VMware
Parag Jain
Cisco
Expires: January 8, 2020 July 7, 2019 Expires: March 22, 2020 September 19, 2019
MAC move over Geneve encapsulation MAC move over Geneve encapsulation
draft-boutros-nvo3-mac-move-over-geneve-01 draft-boutros-nvo3-mac-move-over-geneve-02
Abstract Abstract
This document specifies a mechanism to signal Media Access Control This document specifies a mechanism to signal Media Access Control
(MAC) addresses move over a Network Virtualization Overlays over (MAC) addresses move over a Network Virtualization Overlays over
Layer 3 (NVO3) virtual tunnel. Such notification is useful in Layer 3 (NVO3) virtual tunnel. Such notification is useful in
redundancy scenarios when a Layer 2 service that was active on a redundancy scenarios when a Layer 2 service that was active on a
Network Virtualization Edge (NVE) fails over to a standby NVE. This Network Virtualization Edge (NVE) fails over to a standby NVE. This
notification can be used only when data plane mac learning is enabled notification can be used only when data plane mac learning is enabled
over the NVO3 tunnels. over the NVO3 tunnels.
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Sequence Number | | Sequence Number |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Version (4 bits): Initially the Version will be 0. Version (4 bits): Initially the Version will be 0.
A (1 bit): Set by a receiver to acknowledge receipt and processing A (1 bit): Set by a receiver to acknowledge receipt and processing
of a MAC Move message. of a MAC Move message.
R (1 bit): Set to indicate if the sender is requesting reset of R (1 bit): Set to indicate if the sender is requesting reset of
the sequence numbers. The sender sets this bit when it has no local the sequence numbers. The sender sets this bit when it has no
record of previous send and expected receive sequence numbers. local record of previous send and expected receive sequence
numbers.
Flags(6): Reserved and should be set to 0. Flags(6): Reserved and should be set to 0.
VTEP ID (20 bits): Identifies old and new active NVE(s). VTEP ID (20 bits): Identifies old and new active NVE(s).
Sequence Number (32) bits: For overflow detection a sequence number Sequence Number (32) bits: For overflow detection a sequence
that exceeds (0x7FFFFFFF) is considered an overflow and number that exceeds (0x7FFFFFFF) is considered an overflow and
reset to 1. reset to 1.
3. Operation 3. Operation
This section describes how the initial MAC Move Messages are sent and This section describes how the initial MAC Move Messages are sent and
retransmitted, as well as how the messages are processed and retransmitted, as well as how the messages are processed and
retransmitted messages are identified. The mechanisms described are retransmitted messages are identified. The mechanisms described are
very similar to the one defined in [RFC 7769]. very similar to the one defined in [RFC 7769].
3.1 Operation of Sender 3.1 Operation of Sender
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Authors' Addresses Authors' Addresses
Sami Boutros Sami Boutros
VMware VMware
Email: boutross@vmware.com Email: boutross@vmware.com
Jerome Catrouillet Jerome Catrouillet
VMware VMware
Email: jcatrouillet@vmware.com Email: jcatrouillet@vmware.com
Sri Mohana Singamsetty
Email: msingamsetty@vmware.com
Ankur Sharma Ankur Sharma
VMware VMware
Email: ankursharma@vmware.com Email: ankursharma@vmware.com
Parag Jain
Cisco
Email: paragj@cisco.com
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