As businesses become globally distributed, business applications are more dependent on the WAN than ever before. While WAN capacity is abundant and inexpensive, negative characteristics of the WAN ...

According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works, and ...

For many years, security monitoring relied on gathering data from layer 4 of the OSI model through such data types as NetFlow. Because layer 4 data dealt with the transport layer, it isn't the most ...

The technology provides secure remote access to a broad spectrum of applications and network resources Application-layer VPNs are generating lots of attention these days. Proponents cite the ...

Not all sessions and applications are equal, and the network can only do so much with QoS and call admission control; a new architecture is needed. Current communications architectures based on ...

There’s a whole group of vendors looking to ease the installation of IP VPNs by supporting application layer technology. Companies such as Neoteris, NetSilica and Netilla Networks (the author of this ...

Java Enterprise Edition (Java EE) has a powerful facility dedicated to expressing the business logic of an application and for accessing a database using a JavaBeans-like concept. That facility is ...

Application layer distributed denial of service (DDoS) attacks are on the rise, and organizations must protect themselves from this uptick in application layer attacks and from the overall scourge of ...

The processing in a network protocol that provides the starting point and purpose of the communications session. The application layer is layer 7 of 7 in the OSI model. For example, email, Web ...