Basics
Principles of Cryptography
Although cryptography has a long history dating back to Julius Caesar (we will look at the so-called Caesar…
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
Streaming Stored Audio and Video
In recent years, audio/video streaming has become a popular class of applications and a major consumer of network…
July 21, 2021 · Rajil TLBasics
Multimedia Networking Applications
Back in Chapter 2 we examined the Web, file transfer, and electronic mail in some detail. The data carried…
July 21, 2021 · Rajil TLBasics
Multiple Access Protocols and LANs
In the introduction to this chapter, we noted that there are two types of network links: point-to-point links,…
July 21, 2021 · Rajil TLBasics
Hierarchical Routing
In the previous section, we viewed “the network” simply as a collection of interconnected routers. One router was…
July 21, 2021 · Rajil TLBasics
Routing Principles
In order to transfer packets from a sending host to the destination host, the network layer must determine…
July 21, 2021 · Rajil TLBasics
Principles of Congestion Control
In the previous sections, we’ve examined both the general principles and specific TCP mechanisms used to provide for a reliable…
July 21, 2021 · Rajil TLBasics
Connection-Oriented Transport: TCP
Now that we have covered the underlying principles of reliable data transfer, let’s turn to TCP – the Internet’s transport-layer,…
July 21, 2021 · Rajil TLBasics
Reliable Data Transfer
In this section, we consider the problem of reliable data transfer in a general context. This is appropriate…
July 21, 2021 · Rajil TLBasics
Connectionless Transport: UDP
The Internet makes two transport protocols available to its applications, UDP and TCP. In this section we take a close look…
July 21, 2021 · Rajil TL