ارائه رویکردی جدید مبتنی بر نگاشت آشوب برای پیاده سازی فازهای امنیتی برروی شبکه ی ابر
الموضوعات :آزیتا رضایی 1 , علی برومندنیا 2 , سیدجواد میرعابدینی 3
1 - گروه کامپیوتر، دانشگاه آزاد اسلامی واحد تهران جنوب، ایران
2 - گروه کامپیوتر، دانشگاه آزاد اسلامی واحد تهران جنوب، ایران
3 - گروه کامپیوتر، دانشگاه آزاد اسلامی واحد تهران مرکز، ایران
الکلمات المفتاحية: الگوریتم امنیتی چندلایه (MLS), رمزنگاری, قطعهبندی دادهها, مدیریت کارگزار امنیتی.,
ملخص المقالة :
شرکتها و سازمانهای بزرگ در دنیای امروز، تمایل بسیاری به استفاده از سرویسهای ETI جهت ذخیرهسازی و انتقال دادههای خود دارند. افزایش نرخ استفاده از سرویسهای تحت شبکه، افزایش مخاطرات و حملات به دادهها در زمان ارسال و دریافت و ایجاد محیطی امن برای انجام خدمات در بستر شبکه ابر، چالشی بزرگ را در حوزه سیاست امنیتی مطرح میکند. بخش مدیریت امنیت بروکر در شبکه ابر، تأثیر زیادی در مدیریت و متعادلسازی متغیرهای امنیت، کارایی و دسترسپذیری دارد. این مقاله سعی دارد با ارائه چهار فاز امنیتی بر روی داده در زمان ارسال و دریافت بین مشتری و CSP، ضمن پیشگیری از خرابی داده در زمان سرقت، میزان بازدهی متغیرهای کارایی، متغیر دسترسپذیری و شاخص رضایتمندی مشتریان را بررسی نماید. نتایج ارزیابی بر روی سه مدل آزمایشی نشان میدهند میزان جرائم تخصیصی سیستم به میزان 41/61% کاهش و شاخص رضایت مشتریان تا 67/60% افزایش مییابد.
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