Attacking Predictable IPsec ESP Initialization Vectors. - Sami Vaarala; Antti Nuopponen; Teemupekka Virtanen (ICICS, 2002)

Mobile IP Traversal of Network Address Translation (NAT) Devices. - Henrik Levkowetz; Sami Vaarala (RFC, 2003)

IPsec Clustering. - Antti Nuopponen; Sami Vaarala; Teemupekka Virtanen (SEC, 2004)

Mobile IPv4 Traversal across IPsec-Based VPN Gateways. - Sami Vaarala; Espen Klovning (RFC, 2008)