BIB-VERSION:: CS-TR-v2.0 ID:: ncstrl.dartmouthcs//TR90-145 ENTRY:: January 28, 2008 ORGANIZATION:: Dartmouth College, Computer Science TITLE:: A Bound of Data Availability when Networks Partition TYPE:: Technical Report (paper) REVISION:: 1 AUTHOR:: Goldweber, Michael AUTHOR:: Johnson, Donald B. DATE:: March 1990 RETRIEVAL:: For a paper copy, email RETRIEVAL:: For a paper copy, write to Technical Report Librarian Department of Computer Science Dartmouth College 6211 Sudikoff Laboratory Hanover, NH 03755-3510 USA RETRIEVAL:: PDF at http://www.cs.dartmouth.edu/reports/TR90-145.pdf ABSTRACT:: Many consistency or replication control schemes that increase data availability in distributed systems exist, and the search for improvements continues, though there have been no good nontrivial upper bound demonstrating how much improvement is possible. We present a new upper bound for data availability under replication for general networks. In addition we also describe a new technique that yields near optimal levels of data availability with respect to this bound. END:: ncstrl.dartmouthcs//TR90-145