Stories by Steve Taylor and Joanie Wexler

The pros and cons of SSL

Previously, we examined IPSec, which has become the de facto protocol for providing security on Internet-based VPNs. We pointed out that while it works great for transparently connecting two networks across the Internet, there are some rather significant issues that arise for widespread remote worker access.

The pros and cons of IPSec

There are two major types of Internet-based VPNs: IPSec VPNs and SSL VPNs. Each has significant advantages - and disadvantages - in the corporate networking environment.

Multi-carrier MPLS service debuts

Virtela Communications last week said it is offering an Multi-protocol Label Switching-based IP VPN service that spans multiple carriers' MPLS networks - with class-of-service guarantees intact.

Web-based apps challenge traffic management

A dominant trend in IT shops is to move from custom to Web-based applications. According to the report, "Branch Office Networking: An IT Business State-of-the-Market Brief," by Jim Metzler, a principal in consultancy Ashton, Metzler & Associates, currently about 27% of the traffic on branch-office networks is generated by Web-based applications.

IPSec vs. SSL VPNs

VPN discussions often center around the differences between services based on Multi-protocol Label Switching and IP Security technologies, with IPSec generally the de facto choice for encrypting VPN sessions over a public network. But there are cases where Secure Sockets Layer provides an attractive alternative to IPSec.

Sears CIO Miller departs in surprise move

Over the years, we're been very strong advocates of using intelligent DSU/CSUs to monitor your frame relay service. Time and again, we've shown that there's a tremendous business case for using these devices to monitor network utilization and to enforce your service-level agreements.

Intelligent IP-layer monitoring

Over the years, we're been very strong advocates of using intelligent DSU/CSUs to monitor your frame relay service. Time and again, we've shown that there's a tremendous business case for using these devices to monitor network utilization and to enforce your service-level agreements.

American installs Orbitz booking engine at AA.com

Over the years, we're been very strong advocates of using intelligent DSU/CSUs to monitor your frame relay service. Time and again, we've shown that there's a tremendous business case for using these devices to monitor network utilization and to enforce your service-level agreements.