258  IBM z14 (3906) Technical Guide HiperSockets Multiple Write Facility N N N N N HiperSockets support of IPV6 Y Y Y N Y HiperSockets Layer 2 support Y Y Y N Y HiperSockets Network Traffic Analyzer for Linux  on Z NN NN Y SMC-D and SMC-R SMC-D$^{f}$ over ISM (Internal Shared Memory) N N N N N 10GbE RoCE$^{g}$ Express N N N N Y h 25GbE and 10GbE RoCE Express2 for SMC-R N N N N N i 25GbE and 10GbE RoCE Express2 for Ethernet  communications$^{j}$ including Single Root I/O  Virtualization (SR-IOV) NN NN Y h z/VM Dynamic I/O support for RoCE Express2 - - - - - Shared RoCE environment n N N N Y Open Systems Adapter (OSA) k OSA-Express6S 1000BASE-T Ethernet CHPID type OSC YY YY - OSA-Express5S 1000BASE-T Ethernet CHPID type OSC YY YY - OSA-Express4S 1000BASE-T Ethernet CHPID type OSC YY YY - OSA-Express7S 25-Gigabit Ethernet Short Reach  (SR) CHPID type OSD YY YY Y OSA-Express6S 10-Gigabit Ethernet Long Reach  (LR) and Short Reach (SR) CHPID type OSD YY YY Y OSA-Express5S 10-Gigabit Ethernet Long Reach  (LR) and Short Reach (SR) CHPID type OSD YY YY Y OSA-Express6S Gigabit Ethernet LX and SX CHPID type OSD YY YY Y OSA-Express5S Gigabit Ethernet LX and SX CHPID type OSD YY YY Y OSA-Express6S 1000BASE-T Ethernet CHPID type OSD YY YY Y OSA-Express5S 1000BASE-T Ethernet CHPID type OSD YY YY Y OSA-Express4S 1000BASE-T Ethernet CHPID type OSD  YY YY Y OSA-Express6S 1000BASE-T Ethernet CHPID type OSE YY YN N Function a z/VSE  V6R2 z/VSE V6R1 z/VSE V5R2 z/TPF V1R1 Linux  onZ b