Accession Number : ADA316798

Title :   A Case for Network-Attached Secure Disks,

Corporate Author : CARNEGIE-MELLON UNIV PITTSBURGH PA DEPT OF COMPUTER SCIENCE

Personal Author(s) : Gibson, Garth A. ; Nagle, David F. ; Amiri, Khalil ; Chang, Fay W. ; Feinberg, Eugene

PDF Url : ADA316798

Report Date : 26 SEP 1996

Pagination or Media Count : 19

Abstract : By providing direct data transfer between storage and client, network-attached storage devices have the potential to improve scalability (by removing the server as a bottleneck) and performance (through network striping and shorter data paths). Realizing the technology's full potential requires careful consideration across a wide range of file system, networking and security issues. To address these issues, this paper presents two new network-attached storage architectures. (1) Networked SCSI disks (NetSCSI) are network-attached storage devices with minimal changes from the familiar SCSI interface (2) Net-work-attached secure disks (NASD) are drives that support independent client access to drive provided object services. For both architectures, we present a sketch of repartitionings of distributed file system functionality, including a security framework whose strongest levels use tamper-resistant processing in the disks to provide action authorization and data privacy even when the drive is in an physically insecure location.

Descriptors :   *COMPUTER PROGRAMS, *FILES(RECORDS), *INFORMATION TRANSFER, *DATA TRANSMISSION SYSTEMS, *COMPUTER FILES, PATHS, DISKS, STORAGE, RANGE(EXTREMES).

Subject Categories : Information Science
      Computer Programming and Software

Distribution Statement : APPROVED FOR PUBLIC RELEASE