Basics
Asynchronous Transfer Mode (ATM) Networks
Thus far, our focus has been on the Internet and its protocols. But many other existing packet-switching technologies…
July 21, 2021 · Rajil TLAuthor: Rajil TL
Rajil TL is a SenseCentral contributor focused on tech, apps, tools, and product-building insights. He writes practical content for creators, founders, and learners—covering workflows, software strategies, and real-world implementation tips. His style is direct, structured, and action-oriented, often turning complex ideas into step-by-step guidance. He’s passionate about building useful digital products and sharing what works.
Basics
Internet Backbones, NAPs and ISPs
Our discussion of layering in the previous section has perhaps given the impression that the Internet is a…
July 21, 2021 · Rajil TLBasics
The Network Edge
In the previous sections we presented a high-level description of the Internet and networking protocols. We are now…
July 21, 2021 · Rajil TLBasics
Protocol Layers and Their Service Models
From our discussion thus far, it is apparent that the Internet is an extremely complicated system. We have seen that…
July 21, 2021 · Rajil TLBasics
Delay, Loss, and Throughput in Packet-Switched Networks
Delay, Loss, and Throughput in Packet-Switched Networks Earlier we have said that the internet can be viewed as…
July 21, 2021 · Rajil TLBasics
Softswitch & Application Servers
A softswitch is a centrally located device in a network which connects telephone calls from one phone line to…
July 21, 2021 · Rajil TLBasics
IP Multimedia Subsystem (IMS)
IP Multimedia Subsystem (IMS) is an architectural framework for offering multimedia and voice over IP services. IMS is…
July 21, 2021 · Rajil TLBasics
Session Border Controller (SBC)
VoIP growth is undeniable and many service providers are using IP networks to reduce operational costs of trunking…
July 21, 2021 · Rajil TLBasics
IP Core/Edge Networks
Core network and backbone network typically refer to the high capacity communication facilities that connect primary nodes. Core/backbone…
July 21, 2021 · Rajil TLBasics
CONNECTING DEVICES
The five categories contain devices which can be defined as 1. Those which operate below the physical layer…
July 21, 2021 · Rajil TL