Three tier (Cont.)

فهرست عناوین اصلی در این پاورپوینت

فهرست عناوین اصلی در این پاورپوینت

● Client-Server Interaction
● Network Applications
● Application Software
● Connection-Oriented
● The client-server paradigm
● Two meanings
● What is a Server?
● Not the only paradigm in town
● Mainframe architecture
● Thin and fat clients
● Client/Server Operating Systems
● The client
● The Server
● Application Software
● Scripting
● Client-Server Interaction
● Client-Server
● One connection/Many services
● Some Server Types
● Multiple services
● A thread for each request
● Thread
● Types of Transport Protocols
● Service Connections Choice
● Client-Server Interactions
● Two-tier
● Three tier
● Three tier (Cont.)
● References

نوع زبان: انگلیسی حجم: 0.31 مگا بایت
نوع فایل: اسلاید پاورپوینت تعداد اسلایدها: 30 صفحه
سطح مطلب: نامشخص پسوند فایل: ppt
گروه موضوعی: زمان استخراج مطلب: 2019/05/17 12:17:47

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عبارات مهم استفاده شده در این مطلب

عبارات مهم استفاده شده در این مطلب

., server, client, application, blum, ۳۲, csit, computer, service, system, layer, side,

توجه: این مطلب در تاریخ 2019/05/17 12:17:47 به صورت خودکار از فضای وب آشکار توسط موتور جستجوی پاورپوینت جمع آوری شده است و در صورت اعلام عدم رضایت تهیه کننده ی آن، طبق قوانین سایت از روی وب گاه حذف خواهد شد. این مطلب از وب سایت زیر استخراج شده است و مسئولیت انتشار آن با منبع اصلی است.

http://www1.lasalle.edu/~blum/c320wks/c320_f10_02A_ClientServer.ppt

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عبارات پرتکرار و مهم در این اسلاید عبارتند از: ., server, client, application, blum, ۳۲, csit, computer, service, system, layer, side,

مشاهده محتوای متنیِ این اسلاید ppt

مشاهده محتوای متنیِ این اسلاید ppt

csit ۳۲ blum client server interaction based on appendix ۱ in computer networks and internets comer csit ۳۲ blum network applications all of the lower layers of the network communication protocol stack exist so that applications on different computers can interact. applications are high level software used directly by users. the applications e.g. excel sit on top of the application layer which provides various network related services e.g. ftp to the applications. the basic paradigm for this application to application interaction on an internet is the client server model. csit ۳۲ blum application software applications and the application layer hide all of the details of the network from the user. information hiding in most cases the user does not have to know the ip address let alone the mac address of the computer he or she is communicating with. the application provides a user friendly symbolic name which is then translated into the corresponding number. e.g. a domain name service csit ۳۲ blum connection oriented while tcp is in part responsible for establishing a session between two computers the tcp does not establish a connection on its own volition. the source application layer must direct its transport layer to do so. the destination application layer must direct its transport layer to listen for others trying to connect to it. in the phone analogy the source must dial the number the destination must hear the phone ring and answer it. csit ۳۲ blum the client server paradigm the approach in which the source initiates contact with a listening destination is said to adhere to the client server paradigm. the initiating source is called the client. clients are active. the listening destination is called the server. servers are passive. csit ۳۲ blum two meanings in one sense client server is used to refer to the communication model client active requester server passive listener responder in another sense client server is used to refer to machines which are designed to act as clients or as dedicated servers in this sense a server is a machine capable of offering a such service to a number of clients. csit ۳۲ blum what is a server a server can refer to a program that passively waits for communication. a server can refer to a computer dedicated to running server programs. sometimes the term server class computer is used for the latter case. but most of the world uses the term server in both cases. servers or server class computers are typically powerful machines which run server software. csit ۳۲ blum not the only paradigm in town client server is not the only model for computer to computer communication. peer to peer a type of network in which each workstation has equivalent capabilities and responsibilities. peer to peer networks are generally simpler but they usually do not offer the same performance under heavy loads. master slave master polls the slaves to see if they have anything to transmit. csit ۳۲ blum mainframe architecture mainframes are an example of the master slave model. most of the data storage and computing power lies in the mainframe a central computer . users interact with the mainframe via terminals dumb terminals which is little more than a monitor and keyboard. in the early days of pcs they were often disabled to work as dumb terminals in a mainframe. csit ۳۲ blum thin and fat clients there was an idea of returning to some extent to the notion of a dumb terminal. in client server applications a client designed to be especially small so that the bulk of the data processing occurs on the server is called a thin client. a client that performs the bulk of the data processing operations is called a fat client. although the term usually refers to software it can also apply to a relative abilities of a network computer. csit ۳۲ blum client server operating systems often the version of the operating system one loads on a computer that mainly plays the client role will be different from the version of the operating system loaded on the server e.g. windows ۷ is different from windows ۲ ۸ server csit ۳۲ blum the client client software requests service but also performs its own computations. is invoked directly by a user and executes only for one session as opposed to starting automatically and running continuously usually runs locally on a user’s pc initiates contact with a server. may access multiple services but only communicates with one server at a time. does not require special hardware beyond standard communications hardware or operating system. csit ۳۲ blum the server server software is a special purpose privileged program dedicated to providing one service. can handle multiple remote clients at the same time. is invoked automatically typically when a system boots and continues to execute through many sessions. waits passively for contact from arbitrary remote clients. accepts contact from arbitrary clients but offers a single service. requires powerful hardware and a sophisticated operating systems. csit ۳۲ blum application software applications as opposed to services provided by the application layer that communicate with other applications are often written with either the client role or server role specifically in mind. thus one talks about client side scripting and server side scripting. csit ۳۲ blum scripting client side scripting is code written for the client end of a client server system. for example javascript scripts are client side because they are executed by your browser the client . server side scripting is code written for the server end of a client server system. for example php scripts are server side because they run on the web server. java applets can be either server side or client side depending on which computer the server or the client executes them. csit ۳۲ blum client server interaction information between client server passes in both directions. clients request servers respond. sometimes the server’s response is an ongoing communication based on one initial request. client server applications lead the protocol suite …

کلمات کلیدی پرکاربرد در این اسلاید پاورپوینت: ., server, client, application, blum, ۳۲, csit, computer, service, system, layer, side,

این فایل پاورپوینت شامل 30 اسلاید و به زبان انگلیسی و حجم آن 0.31 مگا بایت است. نوع قالب فایل ppt بوده که با این لینک قابل دانلود است. این مطلب برگرفته از سایت زیر است و مسئولیت انتشار آن با منبع اصلی می باشد که در تاریخ 2019/05/17 12:17:47 استخراج شده است.

http://www1.lasalle.edu/~blum/c320wks/c320_f10_02A_ClientServer.ppt

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