Re:_Anyone_have_a_copy_of_the_work_that_Joyent_did_o n_FreeBSD_“VPC”_software_defined_networking?

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 <erik@nstr.no> 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.
>


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