Name: "The BSD Packet Filter: A New Architecture for User-level Packet Capture"
Start: 2017-06-28T18:00:00-04:00
End: 2017-06-28T21:00:00-04:00
Location: Hopper

Suchakra Sharma will present McCanne and Jacobson's "The BSD Packet Filter: A New Architecture for User-level Packet Capture" (https://www.usenix.org/legacy/publications/library/proceedings/sd93/mccanne.pdf). This is very exciting not only because of the applications of the original BPF, but also the more recently developed eBPF which has become a crucial part of modern Linux kernels.

Incidentally, aside from the paper, and all the recent interesting work on eBPF (check out Brendan Gregg's page on eBPF (http://www.brendangregg.com/ebpf.html), Quentin Monnet's page (https://qmonnet.github.io/whirl-offload/2016/09/01/dive-into-bpf/)), I recommend reading the code for the BPF optimizer from libpcap (https://github.com/the-tcpdump-group/libpcap/blob/master/optimize.c) (optimize.c) — to me, it's a great, simple example of some classic compiler optimizations, that's easy to understand because of how simple the VM is.

Hopper have offered to host again, so I hope you all can find your way out there; I think it made for a good space last time.

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"The BSD Packet Filter: A New Architecture for User-level Packet Capture"

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"The BSD Packet Filter: A New Architecture for User-level Packet Capture"

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