The latest Internet defense technology – deep packet inspection firewalls – is being touted as the best line of defense against worms that can sneak past earlier technology to wreak havoc in corporate ...

At first glance, stateful packet filtering appears to have conquered the firewall world, both in terms of market share and mind share. The list of products based on stateful packet filtering is a long ...

Last time, we delved into the reasons that packet loss has such an enormous impact on application performance over the WAN in the first place. This time we’ll begin to look at the ways that various ...

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 line between middleware and application software is blurred, which is why this chapter introduces both together. Middleware is software that has been abstracted out of the application layer for a ...