TABLE 1 Firewall Appliance Software Features
Feature	HP ProLiant DL320	Network Engines NS6400	RimApp Technology RoadBLOCK
Routing support	Open Shortest Path First (OSPF), Routing Information Protocol (RIP)v1, RIPv2	OSPF, RIPv1, RIPv2	OSPF, RIPv1, RIPv2
VPN server/gateway; VPN client; maximum VPN users	PPTP/L2TP/IPsec/SSL; yes; 1000	PPTP/L2TP/IPsec/SSL; yes; 1000	PPTP/L2TP/IPsec/SSL; yes; 1000
Web proxy/caching	Yes	Yes	Yes
VPN accelerator	Yes	No	Yes
SSL offload	Yes	No	Yes
Web management interface	No	Yes	Yes
GUI management interface	Yes	Yes	Yes
Real-time failover; load balancing	No; no	Yes (hot standby); no	RainConnect; RainWall
Hardware redundancy	Fans	No	Disk mirror, fans
Update management	Via Windows Update	Via NEWS Web interface	Via Windows Update
Licensing	Unlimited users per processor	Unlimited users per processor	Unlimited users per processor
Price	$3450	$6995	$12,186