NFU Specification

Simple overview:

• NFU server -- "adjacent" to IBP depot.
• NFU Op -- lightweight program, written in C, or Java, depending on server.
• NFU client -- launches nfuOps and exchanges data with it.
  • Two types of data exchange:
    • 1. variable exchange
      • IBP_VAL_[IN,OUT,INOUT]

variable/values exchanged directly between nfu client and nfu Op

• • • 2. IBP Cap handling
      • IBP_REF_[RD,WR,RDWR]
      • client sends an IBP Cap to server, NFU server returns pointer to mmap of the allocation