John T. Kohl

Learn More
Zephyr is a notice transport and delivery system under development at Project Athena. 1 Zephyr is for use by network-based services and applications with a need for immediate, reliable and rapid communication with their clients. Zephyr meets the high-throughput, high fan-out communications requirements of large-scale workstation environments. It is designed(More)
Log-structured file systems (LFSs) were developed to eliminate latencies involved in accessing disk devices, but their sequential write patterns also match well with tertiary storage characteristics. Unfortunately, existing versions only manage memory caches and disks, and do not support a broader storage hierarchy. Robotic storage devices offer huge(More)
The Kerberos Authentication Service, developed at MIT, has been widely adopted by other organizations to identify clients of network services across an insecure network and to protect the privacy and integrity of communication with those services. While Version 4 was a step up from traditional security in networked systems, extensions were needed to allow(More)
  • 1