believe that cycle-by-cycle Lockstepping will become significantly harder in the future because of five reasons. 218) to what they call “Loose Lockstepping”, which is a form of RMT. Recently, Hewlett-Packard moved its NonStop servers from a cycle-by-cycle Lockstepped architecture (see Lockstepping in the Hewlett-Packard NonStop Himalaya Architecture, p.
In Architecture Design for Soft Errors, 2008 6.8 RMT in the Hewlett-Packard NonStop ® Advanced Architecture Secure setuid'd programs so that only authorized users can execute them. The function cannot be achieved using nonprivileged programming techniques. The function is legitimate and necessary. Requests for setuiding user programs may be allowed if the following conditions are met: a.
The above document should be maintained in a file for future reference by auditors. This test is usually performed by the security staff. The program must be tested to ensure that it does not perform or allow any actions that would be considered security violations. To ensure that the source code matches the actual object program, the system manager, not the developer, should compile and bind the final program. Management must approve the setuid in writing with authorized signature(s). The system manager or a trusted programmer must review the program's function. The request for setuid should include a full explanation of the program's purpose and a justification of the use of privileged procedures. The company's HP NonStop Server Security Procedures should include the following instructions for managing setuid requests for in-house programs: 1.
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