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NVO3 VDP Gap Analysis VM to NVE Specific Control Plane Requirements

NVO3 VDP Gap Analysis VM to NVE Specific Control Plane Requirements. Paul Bottorff (HP) Joseph Pelissier (Cisco) Patricia Thaler (Broadcom). Background. I-D.kreeger-nvo3-hypervisor-nve-cp-01 discusses the need for a Hypervisor to NVE Protocol

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NVO3 VDP Gap Analysis VM to NVE Specific Control Plane Requirements

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  1. NVO3 VDP Gap AnalysisVM to NVE Specific Control Plane Requirements Paul Bottorff (HP) Joseph Pelissier (Cisco)Patricia Thaler (Broadcom)

  2. Background • I-D.kreeger-nvo3-hypervisor-nve-cp-01 discusses the need for a Hypervisor to NVE Protocol • VDP (VSI Discovery Protocol) developed by the IEEE performs essentially the same function for other IEEE protocols and is widely deployed • VDP contains simple extensibility features. • VDP appears to be a good candidate for the Hypervisor to NVE Protocol in NVO3

  3. VDP Operation • Simple advertise / response protocol • Hypervisor advertises existence of VMs along with various identifiers and parameters • E.g. MAC address, VLAN, group identifier • NVE responds with various parameters • E.g. VID to use, and identifier for a profile that contains an arbitrary set of parameters for the VM and attached network infrastructure • Also supports VM migration operations • Associate, de-associate, etc.

  4. VDP Association TLV • Filter Info carries fields to identify packets in the association • 4 filter info formats for layer 2 are defined • Additional filter info formats could be added including layer 3 fields • 252 reserved filter info format values available.

  5. VDP Extensibility • VDP operates using TLV (type, length, value) triples • Existing TLV could be extended, e.g. by defining additional filter info format. • By IEEE 802.1 assigning values to IETF or by adding the formats to IEEE 802.1Q • A mechanism is provided for user-defined TLVs identified by an OUI • Could be used by IETF • Alternatively, several of the developers of VDP in IEEE are eager to expand VDP in IEEE to support NVO3 needs

  6. Next Steps • Request feedback regarding inclusion in draft-ietf-nvo3-gap-analysis-xx

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