A framework for a reliable and fault-tolerant network management architecture
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Saudi Digital Library
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ﺪﻑ ﻫﺬﻩ ﺍﻟﺮﺳﺎﻟﺔ ﺇﱃ ﺗﺼﻤﻴﻢ ﻭ ﺑﻨﺎﺀ ﳕﻮﺫﺝ ﻟﻨﻈﺎﻡ ﺇﺩﺍﺭﺓ ﺷﺒﻜﺎﺕ ﺫﻭ ﺇﻋﺘﻤﺎﺩﻳﺔ ﻋﺎﻟﻴﺔ ﻗﺎﺩﺭ ﻭ ﻋﻠﻰ ﲢﻤﻞ ﺍﻟﻌﺎﻟﻴﺔ ﺍﻷﻋﻄﺎﻝ ﺑﻮﺍﺳﻄﺔ ﺗﻜﻨﻮﻟﻮﺟﻴﺎ ﺍﻹﺗﺎﺣﻴﺔ ,ﺟﺰﺋﻴﲔ ﺣﻴﺚ ﻳﺘﻜﻮﻥ ﺍﻟﻨﻈﺎﻡ ﻣﻦ :ﺍﳌ ﺪﻳﺮﺭﺋﻴﺴﻲ ﻭ ﺍﳌﺪﺭﺍﺀ ﺍﻟﺒﻴﻨﻴﻮﻥ . ﻳﺘﻜﻮﻥ ﺍﳉﺰﺀ ﺍﻷﻭﻝ ﻣﻦ ﻣﺪﻳﺮﻳﻦ ﺭﺋﻴﺴﲔ ﺑﻨﺴﻖ ﻳﻌﻤﻼﻥ ﻧﺸﻂ- ﺧﺎﻣﻞ ﺣﻴﺚ ﻳﻜﻮﻥ ﺃﺣﺪ ﺍﳌﺪﺭﺍﺀ ﺍﻟﺮﺋﻴﺴﲔ ﻧﺸﻄﺎﹰ ﺑﻴﻨﻤﺎ ﻳﻜﻮﻥ ﺍﻵﺧﺮ ﺧﺎﻣﻼﹰ , ﻭ ﻳ ﻳﻜﻤﻦ ﻟﻠﻤﺪﻳﺮ ﺍﳋﺎﻣﻞ ﺃﻥ ﻨﺸﻂ ﻋﻨﺪ ﺣﺪﻭﺙ ﺧﻠﻞ ﻣﺎ ﰲ ﺍﳌﺪﻳﺮ ﺍﻟﻨﺸﻂ .ﺃﻣﺎ ﺍﳉﺰﺀ ﺍﻟﺜﺎﱐ ﻓﻴﺘﻜﻮﻥ ﻣﻦ ﻋﺪﺓ ﻣﺪﺭﺍﺀ ﺑﻴﻨﻴﲔ ﻣﻘﺴﻤﲔ ﻛﺄﺯﻭﺍﺝ ﻭ ﻳﺘﻜﻮﻥ ﻛﻞ ﺯﻭﺝ ﻣﻦ ﻣﺪﻳﺮﻳﻦ ﺑﻴﻨﻴﲔ ﻋﻠﻰ ﻳﻌﻤﻼﻥ ﻧﺴ ﻖﻧﺸﻂ - ﻧﺸﻂ ﻭ ﻟﻜﻞ ﳝﻜﻦ ﻣﺎ ﻣﻨﻬﻤﺎ ﺗﻮﱄ ﺍﳌﻬﺎﻡ ﺍﳌﻮﻛﻠﺔ ﻟﻘﺮﻳﻨﻪ ﺣﺎﻝ ﺣﺪﻭﺙ ﻋﻄﻞ ﺍﻵﺧﺮ.ﳐﺘ ﻛﻤﺎ ﻳﻌﻤﻞ ﻛﻞ ﻣﺪﻳﺮ ﺑﻴﲏ ﻋﻠﻰ ﺇﺩﺍﺭﺓ ﺟﺰﺀ ﻠﻒ ﻣﻦ ﺍﻟﺸﺒﻜﺔ ﻭ ﲣﻔﻴﻒ ﺍﻷﻋﺒﺎﺀ ﺍﳌﻮﻛﻠﺔ ﻟ ﻠﻤﺪﻳﺮ ﺍﻟﺮﺋﻴﺴﻲ. ﻳﺘﻴﺢ ﺍﻟﻨﻤﻮﺫﺝ ﺍﳌﻘﺘﺮﺡ ﺇﻋﺘﻤﺎﺩﻳﺔ ﻭ ﺇﺗﺎﺣﻴﺔ ﻋﺎﻟﻴﺘﲔ ﻣﻊ ﻗﺎﺑﻠﻴﺔ ﻟﻠﺘﺪﺭﺝ ﻭﺍﶈ ﺎﻓﻈﺔ ﻋﻠﻰ ﻣﺮﻛﺰﻳﺔ ﺍﻟﺘﺤﻜﻢ ﻭ ﺑﺘﻜﻠﻔﺔ ﺿﺌﻴﻠﺔ .ﻗﻮﻳﺎﹰ ﻛﻤﺎ ﻳﺴﺘﺨﺪﻡ ﺍﻟﻨﻤﻮﺫﺝ ﻣﻜﻮﻧﺎﺕ ﻣﻌﺮﻭﻓﺔ ﻭ ﻣﺘﻮﻓﺮﺓ ﳑﺎ ﳚﻌﻞ ﺍﻟﻨﻤﻮﺫﺝ ﺳﻬﻞ ﻭ . ﺑﺎﻹﺿﺎﻓﺔ ﺇﱃ ﺫﻟﻚ ,ﺍﻷﻧﻈﻤﺔ ﳝﻜﻦ ﺩﻣﺞ ﺍﻟﻨﻈﺎﻡ ﺍﳌﻘﺘﺮﺡ ﻣﻊ ﺍﳌﻮﺟﻮﺩﺓ ﻟﺘﺤﺴﲔ ﺇﻋﺘﻤﺎﺩﻳﻬﺎ ﺩﻭﻥ ﺍﳊﺎﺟﺔ ﺇﱃ ﺗﻐﲑ ﺍﻟﱪﳎﻴﺎﺕ ﺃﻭ ﺍﻟﱪﻭﺗﻜﻮﻻﺕ ﺍﳌﻌﻤﻮﻝ ﺎ.ﻳﺘﻴﺢ ﻭ ﻫﺮﻣﻴﺔ ﺍﻟﻨﻈﺎﻡ ﺗﻄﻮﻳﺮ