The term "application-level" in Check Point's case refers to protocols used at layers 5 through 7 of the
OSI stack, rather than with the actual application logic itself, as tackled with software from companies such as Sanctum Inc and Teros Inc.
ONE recognizes this basic need and provides a solution with our new
OSI stack on Windows NT," said Rose Ryan, ONE product manager.
The diversity of algorithms has also moved up the
OSI stack to embrace Layer 7 (application layer) functionality, as well.
The MacX.400 server comes with a full
OSI stack that lets users connect to AppleTalk and other LANs and to wide area networks, including public X.400 networks and private X.400 backbones.