TY - RPRT KW - IT4Sec reports AU - Todor Tagarev BT - IT4Sec Reports CY - Sofia DA - 2011 LA - eng M1 - 87 PB - Institute of Information and Communication Technologies PP - Sofia PY - 2011 T2 - IT4Sec Reports TI - Architectural requirements in the integration of the Electronic Communications Network and the National Network of the State Administration ER -