PACS in the cloud: impact of tunneling and encryption security protocols implementation over image communication-archival performance - Sant'Ana, Fábio Sousa de; Suzuki, Kátia Mitiko Firmino; Cordeiro, Saulo da Silva; Azevedo-Marques, Paulo Mazzoncini de (Congresso Brasileiro de Telemedicina e Telessaúde, 2015)