@TechReport{zheng08ura, author = {J. Zheng}, title = {{URA}: A Universal Data Replication Architecture}, school = {University of Texas at Austin}, number = "TR-08-35", year = 2008 , month = Aug, pdf = "ftp://ftp.cs.utexas.edu/pub/techreports/tr08-35.pdf", category = "PRACTI,WANrepl,c0pe" }