http://detail.1688.com/offer/896868540.html
https://www.datastoragecables.com/qsfp+/qsfp-qsfp/qsfp-qsfp-ib/C9494-M-IB.html【infiniband】
http://pkg-ofed.alioth.debian.org/howto/infiniband-howto.html#toc6【infiniband-ib】
