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۱Analytical Evaluation of a New Route Optimization Scheme for Nested Mobile Network
اطلاعات انتشار: World Applied Sciences Journal، بيست و يكم،شماره۱، ۲۰۱۳، سال
تعداد صفحات: ۵
As the Internet becomes more and more accessible, claims for mobility are not limited anymore to single hosts. Supporting networks’ roaming that move as one entity is required in order to enable the transparency of Internet in mobile platforms, like cars, trains, planes, buses, etc. To accomplish this, NEMO Basic Support has been proposed and developed by the Internet Engineering Task Force (IETF) in order to provide an efficient communication. Nevertheless, NEMO still suffers from some limitations, especially in case of nested mobile network. This paper presents new route optimization scheme for nested mobile network using hierarchical structure with Binding Update Tree (BUT). This framework should reduce packet overhead, handoff latency, packet transmission delay and achieve optimal routing. Lastly, this paper will compare analytically between bi–directional tunnelling used by NEMO BS and route optimization of the proposed scheme.

۲Assessing Issues of Change Impact Analysis Process for a Software Projects
اطلاعات انتشار: World Applied Sciences Journal، بيست و هشتم،شماره۱۰، ۲۰۱۳، سال
تعداد صفحات: ۹
Software Change Impact Analysis (SCIA) has defined as a process of identifying the consequences of the software changes requests. Almost no major corporations are free from the challenge of developing and implementing successful strategies for managing change. Different studies have been conducted in this subject for the last two decades, several approaches have been proposed. But most of these studies have less support to the current process of a software change management. The complexities of software change development nowadays cause the process of managing software change to be difficulty. There is major organizations that are free from the challenges of initiating, developing and implementing effective software changes management. As a result, software practitioners recognize that strategic change is not temporary issues but it’s continued process. Only few project managers got the ability to manage th change efficiently. Therefore, this paper investigates issues of change impact analysis process and identifies and compares current practice issues of a software change impact analysis, by evaluating their strengths and weaknesses. It also reviews existing tools and models of change impact analysis and how it supports to the current software change managements. Hence, it proposes existing processe issues and suggests the need of an effective process of software change management.
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