...It contains a variety of storage systems research software dating back to 2001. You'll find one of the first iSCSI initiator implementations (for kernels 2.4, 2.6 and 3.x), a user-level iSCSI target (udisk) that's still compatible with the Linux initiator (as of kernel version 5.x), the first implementation of Object-based Storage Devices (kernel version 2.4), and an implementation of Differentiated Storage Services (kernel versions 3.11.10 and 4.13.2).