|Project:||Open Fabrics Association|
2015 saw the arrival of multiple 100Gbps networking technologies: Fast 100G Ethernet switches, Mellanox released EDR (100G Infiniband) and Intel came up with OmniPath (also 100G). 2016 is therefore likely going to be a battleground of these competing technologies. Facebook already is supposed to upgrade their infrastructure to 100G in 2015 and its likely that others are going to follow. This talk gives an overview about the competing technologies in terms of technological differences and capabilities and then discusses the challenges of using various kernel interfaces to communicate at these high speeds (POSIX, RDMA, OFI).
Hopefully we can come up with some ideas how to improve the situation.
Christoph Lameter is working as a lead in research and development for an algorithmic trading company in Chicago and maintains the slab allocators and the per cpu subsystems of the Linux kernel while occasionally getting into other subsystems as issues arise. Currently he is heavily involved in high speed computing technology (RDMA subsystem) as a member of the Open Fabrics Alliance. As a kernel developer at SGI he helped pioneer the use of Linux for Supercomputing and developed the necessary kernel capabilities for HPC applications.
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