Kevin, Ethernet networking of today is changing very fast as the driving forces are the "Hyperscale" datacenters. This big innovation is changing the world and is happening right now. You must understand the conversation by breaking down the differences between ASICs, FPGAs, and NPUs in modern Ethernet networking.
1) Mellanox has a very good answer here based on the Spectrum-2 chip http://www.mellanox.com/page/press_release_item?id=1933 2) Broadcom's answer to this is the 12.8 Tb/s StrataXGS Tomahawk 3 Ethernet Switch Series https://www.broadcom.com/products/ethernet-connectivity/switching/strataxgs/bcm56980-series https://globenewswire.com/news-release/2018/10/24/1626188/0/en/Broadcom-Achieves-Mass-Production-on-Industry-Leading-12-8-Tbps-Tomahawk-3-Ethernet-Switch-Family.html 3) Barefoots Tofinio2 is another valid answer to this problem as it's programmable with the P4 language (important for Hyperscale Datacenters) https://www.barefootnetworks.com/ The P4 language itself is open source. There’s details at p4.org, or you can download code at GitHub: https://github.com/p4lang/ 4) The last newcomer to this party comes from Innovium named Teralynx https://innovium.com/products/teralynx/ https://innovium.com/2018/03/20/innovium-releases-industrys-most-advanced-switch-software-platform-for-high-performance-data-center-networking-2-2-2-2-2-2/ (Most of the new Cisco switches are powered by the Teralynx silicon, as Cisco seems to be late to this game with it's own development.) So back your question - iSCSI is not the future! NVMe and it's variants is the way to go and these new ethernet swichting products does have this in focus. Due to the performance demands of NVMe, high performance and low latency networking is required and Ethernet based RDMA — RoCE, RoCEv2 or iWARP are the leading choices. -frank- P.S. My Xmas wishlist to the IBM Spectrum Scale development team would be a "2019 HighSpeed Ethernet Networking optimization for Spectrum Scale" to make use of all these new things and options :-) Frank Kraemer IBM Consulting IT Specialist / Client Technical Architect Am Weiher 24, 65451 Kelsterbach, Germany mailto:[email protected] Mobile +49171-3043699 IBM Germany
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