This book is a collection of peer-reviewed best-selected research papers presented at 4th International Conference on Computer Networks and Inventive Communication Technologies (ICCNCT 2021). The book covers new results in theory, methodology, and applications of computer networks and data communications. It includes original papers on computer networks, network protocols and wireless networks, data communication technologies, and network security. The proceedings of this conference are a valuable resource, dealing with both the important core and the specialized issues in the areas of next-generation wireless network design, control, and management, as well as in the areas of protection, assurance, and trust in information security practice. It is a reference for researchers, instructors, students, scientists, engineers, managers, and industry practitioners for advanced work in the area. 

This book is a collection of peer-reviewed best-selected research papers presented at 4th International Conference on Computer Networks and Inventive Communication Technologies (ICCNCT 2021). The book covers new results in theory, methodology, and applications of computer networks and data communications. It includes original papers on computer networks, network protocols and wireless networks, data communication technologies, and network security. The proceedings of this conference are a valuable resource, dealing with both the important core and the specialized issues in the areas of next-generation wireless network design, control, and management, as well as in the areas of protection, assurance, and trust in information security practice. It is a reference for researchers, instructors, students, scientists, engineers, managers, and industry practitioners for advanced work in the area. 

Chapter 1. Energy Efficient Clustering in Wireless Sensor Networks by Opposition-based Initialization Bat Algorithm.- Chapter 2. Efficient Data Collection in Wireless Sensor Network.- Chapter 3. Job Scheduling in Cloud Computing based on DGPSO.- Chapter 4. Read-Write Decoupled Single-Ended 9T SRAM Cell for Low Power Embedded Applications.- Chapter 5. Spam Detection using Genetic Algorithm Optimized LSTM Model.- Chapter 6. Affine Recurrence based Key Scheduling Algorithm for the Advanced Encryption Standard.- Chapter 7. Simplify Your Neural Networks: An Empirical Study on Cross Project Defect Prediction.- Chapter 8. Emotion Recognition During Social Interactions using Peripheral Physiological Signals.- Chapter 9. Phishing Detection using Computer Vision.- Chapter 10. A Comprehensive Attention-based Model for Image Captioning.- Chapter 11. Multimedia Text Summary Generator for Visually Impaired.- Chapter 12. Key-logger threat to the Android Mobile Banking Applications.- Chapter 13. Machine Learning-based Networ  Intrusion Detection System.- Chapter 14. BGCNN: A Computer Vision Approach to Recognize of Yellow Mosaic Disease for Black Gram.- Chapter 15. Irrelevant Racist Tweets Identification using Data Mining Techniques.