# Digital Switching - I

- Institution: IIT Kanpur
- Department: Electrical Engineering
- Teacher: Prof. Y.N.Singh
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/117104128)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/117104128)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

The course will introduce the learners to basics of digital telephony. It will start with crossbar switch and move to theory of switches. Towards end, packet switching basics will be looked into.

Intended audience: Students, Teachers, Professionals, Trainers, Leaders, Employers

Prerequisites: Preferably should have done Basics of Digital Communications, and Digital Communication Networks.

## Lectures

1. [Lec -01- Introduction to Digital Switching System](https://invisiblenetwork.ai/learn/nptel/117104128/99a95a9fb3a7) (YouTube)
2. [Lec -02- Automatic Telephony Network](https://invisiblenetwork.ai/learn/nptel/117104128/f278f349ff58) (YouTube)
3. [Lec -03- Crossbar Switching](https://invisiblenetwork.ai/learn/nptel/117104128/cd07f9a6272f) (YouTube)
4. [Lec -04- Design of Control Circuit for Crosspoint Operations](https://invisiblenetwork.ai/learn/nptel/117104128/e58fca5cd634) (YouTube)
5. [Lec -05- Multistage Interconnection Networks](https://invisiblenetwork.ai/learn/nptel/117104128/539533e2d5d5) (YouTube)
6. [Lec -01- Blocking probability of crossbar switches](https://invisiblenetwork.ai/learn/nptel/117104128/2cc5f8acc823) (YouTube)
7. [Lec -02- Call congestion and time congestion](https://invisiblenetwork.ai/learn/nptel/117104128/02ca7d13eb67) (YouTube)
8. [Lec -03- Clos network](https://invisiblenetwork.ai/learn/nptel/117104128/91786a16f49e) (YouTube)
9. [Lec -04- Lee's approximation](https://invisiblenetwork.ai/learn/nptel/117104128/5efae9be7242) (YouTube)
10. [Lec -05- Karnaugh's approximation](https://invisiblenetwork.ai/learn/nptel/117104128/47b9265c28f9) (YouTube)
11. [Lec -06- Time switch](https://invisiblenetwork.ai/learn/nptel/117104128/0ed8008de38f) (YouTube)
12. [Lec -01- Time switch Design](https://invisiblenetwork.ai/learn/nptel/117104128/8988c827ef68) (YouTube)
13. [Lec -02- Time Switch Design using Dual RAM](https://invisiblenetwork.ai/learn/nptel/117104128/f2370e308d62) (YouTube)
14. [Lec -03- Paull's Matrix](https://invisiblenetwork.ai/learn/nptel/117104128/e4679cad17f2) (YouTube)
15. [Lec -04- f-way multicasting](https://invisiblenetwork.ai/learn/nptel/117104128/e77f6c28e7e5) (YouTube)
16. [Lec -05- Strictly Non-blocking Multicasting Switch](https://invisiblenetwork.ai/learn/nptel/117104128/38ad4c099f2c) (YouTube)
17. [Lec -06- Rearrangeably non blocking networks](https://invisiblenetwork.ai/learn/nptel/117104128/ee736d38d2b5) (YouTube)
18. [Lec -01- Slepian Duguid theorem, Paull's theorem](https://invisiblenetwork.ai/learn/nptel/117104128/c0c50427bc58) (YouTube)
19. [Lec -02- Paull's matrix for rearrangeabbly non blocking networks](https://invisiblenetwork.ai/learn/nptel/117104128/85635733da14) (YouTube)
20. [Lec -03- Recursive construction; Crosspoint complexity for rearrangebly and strictly non-blocking networks](https://invisiblenetwork.ai/learn/nptel/117104128/5d6924c85c2b) (YouTube)
21. [Cantor network](https://invisiblenetwork.ai/learn/nptel/117104128/ebbe8458c0c4) (YouTube)
22. [Wide-sense non blocking network](https://invisiblenetwork.ai/learn/nptel/117104128/36b8323e352c) (YouTube)
23. [Example of wide -sense non-blocking switch](https://invisiblenetwork.ai/learn/nptel/117104128/080656a44827) (YouTube)
24. [Packet Switching](https://invisiblenetwork.ai/learn/nptel/117104128/134595435c7a) (YouTube)
25. [Buffering strategies](https://invisiblenetwork.ai/learn/nptel/117104128/9aa5d9ffe8cc) (YouTube)
26. [Output Queued Switch](https://invisiblenetwork.ai/learn/nptel/117104128/050cd5f597bc) (YouTube)
27. [Input Queued Switch](https://invisiblenetwork.ai/learn/nptel/117104128/388a718ebfb5) (YouTube)
28. [Banyan Network, Delta Network](https://invisiblenetwork.ai/learn/nptel/117104128/a3912354facd) (YouTube)
29. [Shufflenet as Delta network](https://invisiblenetwork.ai/learn/nptel/117104128/2e2a6fca5378) (YouTube)
30. [Performance analysis of crossbar and delta network](https://invisiblenetwork.ai/learn/nptel/117104128/8f1cab5fa13f) (YouTube)
31. [Properties of Delta Network](https://invisiblenetwork.ai/learn/nptel/117104128/37c5bcdeb681) (YouTube)
32. [Buffered and Unbuffered Delta network](https://invisiblenetwork.ai/learn/nptel/117104128/2b45c58ec721) (YouTube)
33. [Analysis of Buffered Delta Network -1 of 3](https://invisiblenetwork.ai/learn/nptel/117104128/eb96d4920251) (YouTube)
34. [Analysis of Buffered Delta Network-2 of 3](https://invisiblenetwork.ai/learn/nptel/117104128/2b6246274735) (YouTube)