11. When we convert the Client-Server architectural style to the Peer-to-Peer Architectural style, we need to introduce a new abstraction: Peer. The Peer can be depicted as the following class. requester Peer servicel() service2() serviceN() provider Based on the peer, suppose that we have two proposals to convert the Client-Server architectural style to the Peer-to-Peer Architectural style. Those two proposals are as following: Proposal 1: "A peer can be either a client or a server." This proposal can be depicted as the following figure (a): Proposal 2: "A peer can be a client as well as server." This proposal can be depicted as the following figure (b): requester Peer Clent Server provider service() Peer Client |Server (a) (b)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Which proposal will you choose? Please explain why you chose that one.

11. When we convert the Client-Server architectural style to the Peer-to-Peer Architectural style, we need to
introduce a new abstraction: Peer. The Peer can be depicted as the following class.
requester
Peer
servicel ()
serviceN ()
provider
Based on the peer, suppose that we have two proposals to convert the Client-Server architectural style to the
Peer-to-Peer Architectural style.
Those two proposals are as following:
Proposal 1: "A peer can be either a client or a server." This proposal can be depicted as the following figure (a):
Proposal 2: "A peer can be a client as well as server." This proposal can be depicted as the following figure (b):
requester
Peer
Clent
Server
servicel()
service)
serviceN()
provider
Peer
Client
Server
(a)
(b)
Transcribed Image Text:11. When we convert the Client-Server architectural style to the Peer-to-Peer Architectural style, we need to introduce a new abstraction: Peer. The Peer can be depicted as the following class. requester Peer servicel () serviceN () provider Based on the peer, suppose that we have two proposals to convert the Client-Server architectural style to the Peer-to-Peer Architectural style. Those two proposals are as following: Proposal 1: "A peer can be either a client or a server." This proposal can be depicted as the following figure (a): Proposal 2: "A peer can be a client as well as server." This proposal can be depicted as the following figure (b): requester Peer Clent Server servicel() service) serviceN() provider Peer Client Server (a) (b)
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