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.

2861 Articles

Hierarchical Routing

In the previous section, we viewed "the network" simply as a collection…

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Routing Principles

In order to transfer packets from a sending host to the destination…

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Principles of Congestion Control

In the previous sections, we've examined both the general principles and specific TCP mechanisms…

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Connection-Oriented Transport: TCP

Now that we have covered the underlying principles of reliable data transfer,…

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Reliable Data Transfer

In this section, we consider the problem of reliable data transfer in…

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Connectionless Transport: UDP

The Internet makes two transport protocols available to its applications, UDP and TCP. In this…

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Multiplexing and Demultiplexing Applications

In this section we discuss the multiplexing/demultiplexing of messages by the transport…

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DNS – The Internet’s Directory Service

We human beings can be identified in many ways. For example, we…

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Electronic Mail in the Internet

Along with the Web, electronic mail is one of the most popular…

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File Transfer: FTP

FTP (File Transfer Protocol) is a protocol for transferring a file from one…

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