A New website visits and page views record for j2sw.com
Thank you to all the folks who pay attention to my content. It’s numbers like this that motivate me to do bigger and better. I only ask you to consider being a Patreon supporter for $1 a month. It’s not …
Exploring Multicast and PIM: Unlocking Efficient Data Distribution in Networks
Multicast offers a solution for simultaneously distributing data to multiple recipients. One of the key protocols enabling multicast routing is Protocol protocol-independent multicast (PIM). In this blog post, we’ll delve into the world of multicast, understand its significance, and unravel …
Understanding Dense Wavelength Division Multiplexing (DWDM)
Understanding DWDM Dense Wavelength Division Multiplexing (DWDM) is a piece of modern networking technology revolutionizing how data is transmitted over optical fibers. Its ability to maximize fiber capacity, boost data transfer rates, and facilitate long-distance communication has become a fundamental …
Mastering Cable Management in Data Centers: The Unsung Hero of Seamless Operations
Importance of Cable Management: Best Practices in Cable Management: Challenges and Solutions: Effective cable management isn’t merely about aesthetics; it’s a crucial element in ensuring data center operations’ reliability, efficiency, and longevity. As the digital landscape evolves, organized cabling becomes …
Mikrotik Router OS 6.49.11 has been released
What’s new in 6.49.11 (2023-Dec-08 16:37): *) console – display “End-User License Agreement” prompt after configuration reset;*) defconf – use “WISP Bridge” default configuration mode for RBGrooveGA-52HPacn device;*) poe-out – improved “auto-on” mode for devices with single PoE-out port;*) pppoe-server …
The Day the Network Went Rogue: A Network Admin’s Day Off
Morning Mayhem: The day started innocently enough. The network admin, let’s call him Ned, declared a day off, believing the network to be in perfect harmony. Little did Ned know, the servers had other plans! Emails started pinging, alerts went …
Where is all this port udp port 443 traffic coming from? Understanding QUIC.
QUIC operates atop UDP, integrating TCP and TLS (Transport Layer Security) features to offer a streamlined, encrypted, and low-latency connection. Unlike TCP, QUIC doesn’t require a handshake process before data transfer begins. By combining encryption and connection setup, QUIC significantly …
What is N+2 Redundancy in terms of Data Center reliability?
N+2 redundancy is a design principle implemented in data centers to guarantee high availability and minimize the risk of service disruptions due to equipment failures or maintenance activities. At its core, the concept ensures that more resources are available than …
Selecting a Data Center and what to look for
Selecting the right data center is a critical decision that impacts your business’s efficiency, reliability, and security. Conducting thorough research, visiting facilities, and engaging with providers directly can provide valuable insights to make an informed choice. The following is a …
Packets Down Range #28:Databank expands, H5 Expands, fiber isn’t King everywhere
This is going to be a quick PDR. I am getting back into the swing of blog posts, and now back into Packets Down Range. More regular PDR’s coming. Data Center News •Netrality secures $380 Million sustainability-linked credit facility. • …