Producing and maintaining the high quality of products and processes are at the core of engineering and only a comprehensive quality improvement and assessment program that have successful outcome can assure it. Reliability of computer systems has become a major concern for our society. Software reliability is the key factor in software quality since it qualities software failures - the most unwanted event which makes software useless or even harmful to the whole system. Achieving highly reliable software in the customer's perspective is a demanding job to all software engineers and reliability engineers. Papers in this book are classified into four main areas: RELIABILITY, QUALITY, OPTIMIZATION AND INFOCOM TECHNOLOGY. This book will benefit wider audiences amongst the scientific and research community in academia and industry.