Brad Gilmer

This month’s column will examine two technologies — firewalls and virtual private networks (VPNs) — that can help keep your facilities safe when connected to the Internet.

Last month we looked at the important role a security policy can play in professional video networks. This month's column will examine two technologies

Broadcasters use IP technology to deliver sports programming to fans

Abroadcast engineer's number one job is to keep the facility on the air. When it comes to security, our focus has been on how to acquire the advantages

Broadcasters are finding themselves in an ever-changing environment. Being able to meet the challenges these changes present is key to remaining relevant

When I started working at a CBS facility many years ago, part of my job for four hours each day was network monitoring. It was not very exciting, but

The term VLAN stands for virtual local area network. To understand VLANs, let's start with a network design that does not employ VLANs. Figure 1 shows

Now more than ever, computer networks are a critical component of our facilities, and the security of these networks is paramount. For the next two months,

The standard for wireless networking, written and maintained by the IEEE, is 802.11. The document has been expanded over the years, and the two most heavily

Since its inception, video has been running over coaxial cable. In the early days, the PL-259 connector, sometimes known as the UHF connector, was used.

Almost all the network traffic in the world these days is Transmission Control Protocol/Internet Protocol (TCP/IP) over Ethernet. From a practical standpoint,

Many broadcasters find that they are expected to maintain specialized broadcast equipment and be well-qualified in a wide variety of IT technologies,

Error correction and error concealment seem straightforward; error correction corrects errors, and error concealment conceals errors. But the topic is

Error correction and error concealment seem straightforward; error correction corrects errors, and error concealment conceals errors. But the topic is

Various claims can be found on the Internet regarding the earliest network implementation, but one thing is for sure: It was not long after computers

This month's article will introduce network router programming. If you have not worked with IT infrastructure, you may be surprised at the number of options

If you are wondering how the relates to professional media applications, you are not alone because one of the hottest topics in the IT world these days

When it comes to protecting data, broadcasters have it rough. Not only do they face all of the normal IT issues with protecting important desktop business

Frequently, I have talked in this column about separating the broadcast core computer networks from business networks and the Internet. In the real world,

Software architectures can have a big effect on facility design, especially for broadcasters. Anytime applications work with video, it is important to

The area of software design is a shifting landscape, and smart computer people are always coming up with better ways to do things. A significant shift