I may be able to get ahold of Brian Cantrill. He's likely the best PoC too.
On Sun, Apr 17, 2022 at 2:49 AM Erik N <[email protected]> wrote: > I was watching this presentation from BSDCan 2018, by Sean Chittenden, > titled “Introducing FreeBSD VPC”. > > The video recording of said presentation is at > https://youtu.be/La4ekkKbM5o and slides are at > https://papers.freebsd.org/2018/chittenden-freebsd_vpc.files/chittenden-freebsd_vpc-slides.pdf > > The presentation details enhancements to FreeBSD, to allow efficient > private networking between bhyve guests as well as jails on overlay > networks, running across separate FreeBSD hosts. This, according to the > presentation, comes in the form of a suite of VXLAN-related network > interfaces. > > From two of the slides: > > vpc(4) Interfaces > vpcsw(4) - switches packets - one packet per customer, multiple subnets > supported in the same switch > vmnic(4) - dedicated guest NIC, looks like a virtio network device to > guests > vpcp(4) - plugs vmnic(4) ports into vpcsw(4) switches vpci(4) - > Non-bhyve(4) interface, usable in jails(2) > ethlink(4) - Performs unencapsulated packet forwarding, wraps a cloned or > physical ethernet interface > vpclink(4) - Performs VXLAN encapsulation > > New System Calls > vpc_open(2) - Creates a new VPC descriptor vpc_ctl(2) - Manipulates VPC > descriptors Capsicum-like, intended for privilege separation Intended for > idempotent tooling > Makes aggressive use of UUIDs as operator handles to be compatible with > Triton > > At the very end of the presentation slides are links to for kernel code > and kernel library code on GitHub: > > https://github.com/joyent/freebsd/tree/projects/VPC > > > https://github.com/joyent/freebsd/tree/projects/VPC/libexec/go/src/go.freebsd.org/sys/vpc > > Unfortunately, the whole repository on GitHub is gone. 404. And I couldn’t > find any forks of it either. > > Does anyone have a copy of the VPC branch that Joyent had in that > repository? > > All that seems to be left of the project on Joyent's GitHub is a separate, > archived repository https://github.com/joyent/freebsd-vpc that only has > code for a utility that would interact with the code from the > aforementioned now gone repository. > > Erik N. > -- Philip M. Gollucci IT Executive and Engineering Leader http://www.linkedin.com/in/pgollucci/ 301.818.0719 TRULY HUMAN NOTICE: Getting this email out of normal working hours? We work at a digitally-enabled relentless pace, which can disrupt our ability to sleep enough, eat right, exercise, and spend time with the people that matter most. I am sending you this email at a time that works for me. I only expect you to respond to it when convenient to you.
