Digital Preservation:Sustainable Programs and Best Practices——A Comprehensive Renew of iPRES2007
数字资源长期保存：当前进展和最佳实践——2007年数字资源长期保存国际会议（iPRES2007）综述

This paper reviews iPRES2007 digital preservation international conference comprehensively,introduces the development of policies,strategies,planning and infrastructures of digital preservation,related management issues,technology researches and practices,certification and assessment,etc.It also analyzes and summarizes experiences and lessons existing in practice,discusses problems that we have and brings forward the important concerns for the next phase of digital preservation.