Table I: ALDR diagnosis-and-resurrection time and
aldrEnable time for applications.
VII. BENEFITS, CONCLUSIONS, AND FUTURE WORK
High availability is becoming increasingly critical to today’s
enterprise data centers; hence it is essential for commercial
server-OS and hypervisors to provide the necessary
flexible tools to reduce or eliminate downtimes. Providing
complete automation of OS-crash detection, repair and recovery
is extremely useful and attractive, and can greatly
reduce the downtime and administrative costs of enterprise
data centers. The ALDR infrastructure is a first attempt in
this direction, and its benefits and potentials are numerous: