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Computable Object Store With OpenStack Swift and ZeroVM
Date: June 14th, 2014 Adrian Otto, Principal Architect
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Restrictions C1 Once loaded into memory, the binary is not writable, enforced by OS-level protection during execution.
C2 The binary is statically linked at a start address of zero, with the first byte of text at 64K.
C3 All indirect control transfers use a nacljmp pseudo-instruction (defined below).
C4 The binary is padded up to the nearest page with at least one hlt instruction (0xf4).
C5 The binary contains no instructions or pseudo-instructions overlapping a 32-byte boundary.
C6 All valid instruction addresses are reachable by a fall-through disassembly starting at the base address.
C7 All direct control transfers target valid instructions.
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ZeroCloud Arch
Storage Node Storage Node Storage Node Storage Node Storage Node Storage Node Storage N…
Proxy Node Proxy Node Proxy N… ZVM ZVM ZVM
ZVM ZVM ZVM ZVM ZVM ZVM ZVM
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Encryption
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ZeroCloud Usage execution: groups: - name: "sysinfo" path: file://python:python args: "sysinfo.py" devices: - name: python - name: stdout … bundling: - "sysinfo.py"
$ zpm bundle $ zpm deploy dir sysinfo.zapp $ zpm execute dir sysinfo.zapp
sysinfo.zapp