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أﻧواع اﻟﺷﺑﻛﺎت Types of Networks

أﻧواع اﻟﺷﺑﻛﺎت Types of Networks
 
ھﻧﺎﻟك اﻛﺛر ﻣن ﺗﺻﻧﯾف ﻟﻠﺷﺑﻛﺎت   # اوﻻ ﺣﺳب اﻟﺣﺟم وطرﯾﻘﮫ اﻟﺗوﺻﯾل  

Local Area Network-

 ھﻲ ﺷﺑﻛﮫ ﻣن اﻟﺣﺎﺳﺑﺎت اﻻﻟﯾﮫ ﺗﻛون ﺻﻐﯾره اﻟﺣﺟم ﻧﺳﺑﯾﺎ وﺗﻛون ﻣﺣدودة ﺟﻐراﻓﯾﺎ اي ﺗﻛون ﻓﻲ ﻣﻛﺎن واﺣد وﺗﻛون ﺟﻣﯾﻊ اﺟﮭزه اﻟﺣﺎﺳب اﻻﻟﻲ ﻣﺗﺻﻠﮫ ﻣﻊ ﺑﻌﮭﺎ اﻟﺑﻌض ﻋن طرﯾق ﺟﮭﺎز ﺗوﺻﯾل   .Hub, switch ﻣﺎ ﻣﺛل

-wide Area Network    

ﻣﺗﺻﻠﮫ ﻣﻊ ﺑﻌﺿﮭﺎ اﻟﺑﻌض ﺑطرﯾﻘﮫ ﺧﺎﺻﮫ ﺗﺳﻣﻲ LANsھﻲ ﻋﺑﺎره ﻋن ﻣﺟﻣوﻋﮫ ﻣن  . وﻣن اﻧواﻋﮭﺎ ﺳﻠك اﻟﮭﺎﺗف او اﻟﻔﺎﻛس ﻣودم او اﻻﻗﻣﺎر اﻟﺻﻧﺎﻋﯾﮫ WAN connective # ﺛﺎﻧﯾﺎ ﺣﺳب اﻟدور اﻟذي ﯾﻠﻌﺑﮫ ﻛل ﺟﮭﺎز ﺣﺎﺳب اﻟﻲ ﻓﻲ اﻟﺷﺑﻛﮫ  

-peer to peer 

 ﻓﻲ ھذا اﻟﻧوع ﻻ ﯾﻧﻔرد اي ﺟﮭﺎز ﺣﺎﺳب اﻟﻲ ﺑﺗﻘدﯾم ﺧدﻣﮫ ﻣﻌﯾﻧﮫ أو ﺑﻠﻌب دور ﻣﻣﯾز ﻻ ﯾﻘوم ﻏﯾره ﻣن اﻷﺟﮭزه ﺑﻠﻌب ھذا اﻟدور ﺑل ان ﺟﻣﯾﻊ اﺟﮭزه اﻟﺣﺎﺳب اﻻﻟﻲ ﻓﻲ ھذه اﻟﺷﺑﻛﮫ ﺗﻛون ﻣﺗﺳﺎوﯾﮫ ﻓﻲ اﻟدور اﻟذي ﺗﻠﻌﺑﮫ.     

  

2  

-client server    

ﻓﻲ ھذا اﻟﻧوع ﯾﻧﻔرد اﺣد أو ﺑﻌض اﻷﺟﮭزه ﺑﺗﻘدﯾم ﺧدﻣﮫ ﻣﻌﯾﻧﮫ ﻻ ﯾﻘوم ﻏﯾره ﻣن اﻷﺟﮭزه   وﯾﻠﻘب ﺑﺎﺳم اﻟﺧدﻣﮫ اﻟﺗﻲ server ﺑﺗﻘدﯾﻣﮭﺎ وﻓﻲ ھذه اﻟﺣﺎﻟﮫ ﯾطﻠق ﻋﻠﻲ اﻟﺟﮭﺎز اﻟﻣﻧﻔرد ﺑﺎﻟﺧدﻣﮫ  وھﻛذا وﺑﺎﻗﻲ print serverﯾﻘدﻣﮭﺎ ﻋﻠﻲ اﻟﺷﺑﻛﮫ  ﻓﺄن ﻛﺎن ﯾﻘدم ﺧدﻣﮫ اﻟطﺑﺎﻋﮫ ﻓﯾطﻠق ﻋﻠﯾﮫ   .client اﻷﺟﮭزه اﻟﺗﻲ ﺗﺳﺗﻔﯾد ﻣن ھذه اﻟﺧدﻣﮫ ﯾطﻠق ﻋﻠﯾﮭﺎ

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