Distributed Denial of Service (DDoS) attack is one the common that predominant in cyber world. DDoS poses a serious threat to internet users and affects availability services legitimate users. DDOS characterized by blocking particular service paralyzing victim’s resources so they cannot be used purpose leading server breakdown. uses networked devices into remotely controlled bots generates atta...

The following individuals read and discussed the dissertation submitted by student Robin David Winslow, and they evaluated his presentation and response to questions during the final oral examination. They found that the student passed the final oral examination. iv DEDICATION I dedicate this dissertation to my wife Kathy who supported and encouraged me through another one of my foolish endeavo...

In this chapter, we review the sequence of events that resulted in the negotiated contractor work package and the subsequent string of contract modifications (see also Appendix A). It all began with a budget total established by the Navy in 1992. This was modified over the remainder of the decade in annual Navy budgets. The Navy, meanwhile, planned the work to be undertaken in the RCOH. NNS sub...

A case-based method is important activity for variety system modeling in system architecture. The project planning management method and work breakdown structure is a reason why cost is wasted and a number of project planning is failed. It is necessary to develop a structure of work breakdown structure identification and output selection along to project's planning specificity in project planni...

Closed expressions are derived for the pseudo-norm, norm and orthogonality relations for arbitrary bound states of the PT symmetric and the Hermitian Scarf II potential for the first time. The pseudo-norm is found to have indefinite sign in general. Some aspects of the spontaneous breakdown of PT symmetry are analysed.