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Articles, Features and Buyer's Guides from Network World

The year of the VPN... no, really

Once upon a time, the acronym VPN stood for virtual public network - the ability to emulate a public network over a private network. Nowadays, however, it stands for virtual ...

Check Point unveils VPN product upgrades

Check Point Software Technologies this week was among several companies making security announcements. Check Point unveiled upgrades to its VPN-1 virtual private network family of products. ...

How to plan for your VPN expansion

As you consider setting up virtual private networks, remember they seem likely to become more and more essential to the way you do business. The heads of VPN start-ups I interviewed ...

A recipe for a new flavor of VPN services

Your ISP may be brewing a new class of virtual private network (VPN) services that will couple security, bandwidth management and guaranteed quality of service (QoS), but you probably won't ...

Lucent beefs up DSL and VPN offerings

Lucent is pressing all the technology hot buttons this week with announcements about its digital subscriber line and virtual private networking gear. Lucent's PathStar access ...

Protocols serve up VPN security

As the need to securely open corporate LANs to telecommuters and disparate corporate sites grows, virtual private networks (VPN) continue to meet the demand. VPNs - which establish ...

VPNs are easy - once you get the clients installed

Distributing, installing and maintaining VPN clients can be a challenge Virtual private networks The big draw of using virtual private networks (VPN) for remote access - tying more end users into your corporate network - is also one of ...

Virtual private nets show QoS no respect

Users looking for quality of service from their VPNs may be in for a rude awakening. It may be difficult for service providers to differentiate QoS on virtual private networks (VPN) ...

A market divided

VPN products run the gamut from simple encryption devices to multiprotocol tunnelers. One commonality is a lack of management finesse. Business is booming for virtual private network (VPN) vendors. Every week, it seems, we receive word of a new product to add to our VPN watch list. Unfortunately, though, the VPN market is as ...

Packet labeling standard to boost IP performance

An emerging technology called Multi-protocol Label Switching (MPLS) promises to open the market for virtual private network (VPN) services and boost IP backbone performance. Many ...

Frame relay faces strong challenge from VPN technology

Frame relay has been one of the hottest WAN technologies over the past five years. The promise of cost savings versus leased-line networks, easy implementation, de ...

Check Point lays out VPN roadmap

Check Point Software Technologies has drawn up a virtual private network (VPN) product-direction roadmap that calls for adding multivendor digital certificate support as well as a ...

Making your VPN work with multiple protocols

Setting up IP virtual private networks (IP VPN) is simpler if all the sites being connected only run IP. In the real world, though, many networks run multiple protocols and that can ...

How to support your case for a VPN to higher-ups

One of the first steps to setting up a VPN is selling the idea to higher-ups. Here is a quick list of key things to consider as you develop your case: - Does it save money? ...

Standard needed so VPN failures can be detected

The Internet Engineering Task Force is working to plug a gap in the IP Security virtual private network standard that lets VPN gear continue to send packets even after ...

IPv6 and VPN security

Major vendors are pushing a new IP standard that will make adopting VPNs a bit less complicated. The IPv6 Forum's goal is to make the latest IP version an alternative to the currently and widely used ...

Real estate firm is sold on VPN technology

As a real estate company, Old Republic Title knows a thing or two about moving. But IS Manager Robert Matanane acknowledges that the company's move from a dial-up ...

Pilot's VPN service hits the jet way

Pilot Network Services today announced its secure virtual private network (VPN) service. Pilot, which has specialized in security services, is now rolling out its Corporate Partner Networking ...

Give VPNs a test drive

IREgear lets users build VPNs incrementally.

VPN service-level agreements - always check the fine print

Here are some tips from a service provider about what to look for in virtual private network service-level agreements. VPN providers offer money-back guarantees on network ...

VPN vendors working to make gear compatible

Expect to see VPN gear enter a new phase later this year: interoperability. At the moment customers are forced to buy VPN equipment from one vendor if they want it to work. ...

VPNs -redundancy and premium services

If you are using the Internet as the backbone for your virtual private network (VPN), you are willing to accept a little unpredictability. After all, the Internet at large remains a ...

Cabletron to roll out VPN gear, apps

Cabletron this week announced a suite of virtual private network (VPN) products for central site, remote branch office and small office/home office (SOHO) locations. The products ...

The final roster

Turning down vendors who wanted us to review their firewalls was as unpleasant as cutting 14-year-old hopefuls from the freshman baseball team, but it was necessary. With more than 30 firewall ...

VPN study results show that real users are realizing real benefits

Some time ago, we solicited the readers of this newsletter for participation in a study whose objective was to determine whether the rumored benefits of VPNs were real or

Remote users - don't let them become your VPN's security weak linkk

Your Internet virtual private network secures data via tunneling and encryption -- but remember to plug potential leaks outside the tunnel. In particular, make it your ...

VPN vendors to put on a big show

Gear to build larger, more manageable virtual private networks on tap at ComNet/DC '99 Big numbers will be the big deal among virtual private network (VPN) vendors this week at ComNet/DC '99, and the number to beat is 20,000. That is the tally of individual secure ...

What they never told you about VPNs

4/06/98 On Security By Winn Schwartau For the past several months, I have been inundated with Fedexes from countless vendors claiming they are in the virtual private network (VPN) business. ...

Industry announcements enhance VPN and VPN management services

In my last column, I discussed some recent key events that are setting the stage for a broader implementation of e-commerce, extranet and PKI service implementation ...

GTE Internetworking goes global

Nearly 18 months ago, GTE Internetworking announced its Global Network Infrastructure plans. But, until recently the ISP's network build-out didn't appear to be global at all. Last week ...

Public keys

An integral part of any virtual private network (VPN) is key management. IP Security, with its Internet Key Exchange (IKE) protocol, keeps the keys updated between any two tunnel points. However, ...

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