LOS ANGELES—This is the second installment of a contribution from Jim DeFilippis on SDI versus IP. For Part 1, see “Which Switch is Which?” The second tale-of-the-tape issue is delay or latency. There ...

Adam is the author of the AdamtheAutomator.com blog, and works as a Microsoft systems administrator specializing in the Microsoft System Center suite and PowerShell automation. Microsoft Network ...

It's Monday and I'm sick so my brain isn't fully functional but as I recall the Source Address and Destination Address in an IP packet do have a MAC address associated with them in the headers.

The vast majority of administrators go to great lengths to protect the files on their network. Typically, elaborate firewalls are used to keep outsiders away from file servers. The files residing on ...

Packet queues are a core component of any network stack or device. They allow for asynchronous modules to communicate, increase performance and have the side effect of impacting latency. This article ...

The communications technology of the public Internet, local area networks (LANs) and most wide area networks (WANs). The Internet Protocol (IP) is part of the TCP/IP protocol suite, and the terms "IP ...

We have a VPN configured through a Cisco ASA 5505. We are getting hammered by some IP addresses that appear to be located in China and would like to put a stop to this. I have a little bit of a ...

When discussing Ethernet data, the terms frame and packet are often used interchangeably. Frames and packets are the electronic containers that carry our data from point-to-point by navigating LANs ...