DWDM C-Band and L-Band channels
In my continuing series on DWDM, we are talking about commonly accepted channels in DWDM C-Band and L-Band. In previous posts, I talked about what DWDM is and wavelengths. The chart below showcases the DWDM channel numbers and their respective …
DWDW wavelength Grid and Bands
In a previous article, I wrote about understanding what DWDM is. This article will dive into what channels and wavelengths are available in DWDM systems. DWDM systems adhere to a standardized wavelength grid, typically spaced at intervals of 0.8, 0.4, …
The Challenge of Cell Phone Reception Inside Data Centers: Exploring Connectivity Solutions
Data centers, designed with robust materials to shield against electromagnetic interference and protect sensitive equipment, inadvertently hinder cell phone reception. Thick concrete walls, metal structures, and specialized insulation that secure the integrity of the data center’s environment act as barriers, …
The Vital Importance of Diverse Power Entries in Data Centers
Diverse power entries refer to providing multiple, independent electrical power sources to a data center. Rather than relying solely on a single power feed, this setup involves multiple entry points from distinct utility sources or grids. This redundancy acts as …
How does Power Over Ethernet (POE) work?
Power over Ethernet (PoE) technology allows electrical power and data to be transmitted together over standard Ethernet cables, typically Cat5e, Cat6, or Cat7 cables. It eliminates the need for separate power cables, simplifying installations and providing power to devices like …
Packets Down Range #29:Google,Blu Broadband, L4S
Christmas is rapidly approaching. I hope this edition finds you well and as stress-free as you can be for the holidays. In the networking world, the time between Thanksgiving and New Year’s is fairly laid back. Data Centers scale down …
Categories to tags
Over the next several weeks, I will convert some categories to Tags. I am doing this to streamline finding relevant content on this blog as well as my ability to quickly post items.
Celebrating a Merry ISP Network Christmas: Spreading Connectivity Cheer!
‘Tis the season to be jolly, and amidst the joyous festivities, let’s take a moment to celebrate the unsung heroes of our connected world—the ISPs (Internet Service Providers) who work tirelessly behind the scenes to keep our digital sleighs flying …
Networking Basics: What is a subnet mask?
In simple terms, a subnet mask is a 32-bit numeric address that delineates the network portion of an IP address from the host portion. It works in conjunction with IP addresses to divide a large network into smaller, more manageable …
Understanding BGP Looking Glass Servers
Amidst this complex network ecosystem, BGP Looking Glass servers stand as invaluable tools offering transparency and insight into the world of routing. They are used to troubleshoot and visualize how networks view routes. BGP Looking Glass servers are essentially web-based …