<p>A data network in which data from sensors is collected by local data servers and transmitted to a global data server. A number of virtual servers hold subsets of data from the global data server. Domains of data clients have access to a virtual server such that data clients may not access data to which they do not have permission to access.</p>
申请公布号
EP2093678(A1)
申请公布日期
2009.08.26
申请号
EP20080250616
申请日期
2008.02.21
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
发明人
LUCAS, PETER HAROLD;LOCK, GORDON DAVID;SHAHI, NARVINDER SINGH