Outubro 2008
Prof. Ismael H. F. Santos
- ismael@tecgraf.puc-rio.br
2
Transparency
in a Distributed System
Different forms of transparency in a
distributed system.
Hide whether a (software) resource is in memory or on disk
Persistence
Hide the failure and recovery of a resource
Failure
Hide that a resource may be shared by several
competitive users
Concurrency
Hide that a resource may be shared by several
competitive users
Replication
Hide that a resource may be moved to another location
while in
use
Relocation
Hide that a resource may move to another location
Migration
Hide where a resource is located
Location
Hide differences in data representation and how a
resource is accessed
Access
Description
Transparency