- Firmware, bootloaders
- ATF (ARM Trusted Firmware)
- coreboot
- U-Boot
- UEFI
- Operating systems
- ChromeOS, ChromiumOS
- Linux
- FreeBSD
- NetBSD
- FreeRTOS
- OSX
- Architectures
- ARM
- MIPS
- POWER / PowerPC
- x86
- Kernel, device drivers
- User space, libraries
- Performance optimisations
- Multicore
- SMP
- AMP
- NUMA
→ Platform, operating systems
→ Virtualisation
- KVM
- QEMU
- Xen
- bhyve
- VirtIO
- libvirt
- SR-IOV
→ Network
- High-performance networking
- 10/25/40/50/100G
- SmartNIC
- User-space TCP/IP
- OpenFastPath
- LwIP
- mTCP
- TLDK
- Data plane
- DPDK
- ODP
- VPP
- IPSEC
- Performance optimisations
- Fast path
- Acceleration, offloading
- NIC drivers
- SDN, NFV
- vRouter
- OVS
- SNABB
→ Storage
- FibreChannel
- iSCSI, iSER
- SATA, SAS
- Filesystems
- BTRFS
- NANDFS
- NVMe
- NVMf
- SPDK
- Performance optimisations
→ Cloud
- OpenContrail
- OpenStack
- OPNFV