IB Computer Science Topic A2.2.3 Compare and Contrast Networking Models Revision Notes (SL/HL)

IB Computer Science Topic A2.2.3 Compare and Contrast Networking Models Revision Notes (SL/HL) | RevisionDojo

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Networking Models: Client-Server vs. Peer-to-Peer

Client-Server Model

Centralized Architecture: A server provides resources and services, while clients request them.
Request-Response Pattern: Clients send requests, servers respond.
Examples: Web browsing, email services, online banking.

Note

In a client-server model, the server acts as a central hub, managing resources and ensuring data consistency across clients.

Advantages of Client-Server Model

Centralized Control:
1. Easier to implement security policies and manage resources.
Scalability:
1. Can be scaled by upgrading server resources or adding more servers.
Security:
1. Centralized security measures offer better protection against unauthorized access.
Efficiency:
1. Servers can be optimized for specific tasks, improving performance.
Reliability:
1. Professional maintenance ensures high uptime.

Tip

When designing a client-server network, ensure the server has sufficient resources to handle peak demand, preventing bottlenecks.

Disadvantages of Client-Server Model

Single Point of Failure:
1. If the server goes down, all services become unavailable.
Cost:
1. Requires significant investment in server infrastructure and maintenance.
Scalability Challenges:

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Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

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Note

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Excepteur sint occaecat cupidatat non proident

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Tip

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Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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Networking Models: Client-Server vs. Peer-to-Peer

Client-Server Model

Centralized Architecture: A server provides resources and services, while clients request them.
Request-Response Pattern: Clients send requests, servers respond.
Examples: Web browsing, email services, online banking.

Note

In a client-server model, the server acts as a central hub, managing resources and ensuring data consistency across clients.

Advantages of Client-Server Model

Centralized Control:
1. Easier to implement security policies and manage resources.
Scalability:
1. Can be scaled by upgrading server resources or adding more servers.
Security:
1. Centralized security measures offer better protection against unauthorized access.
Efficiency:
1. Servers can be optimized for specific tasks, improving performance.
Reliability:
1. Professional maintenance ensures high uptime.

Tip

When designing a client-server network, ensure the server has sufficient resources to handle peak demand, preventing bottlenecks.

Disadvantages of Client-Server Model

Single Point of Failure:
1. If the server goes down, all services become unavailable.
Cost:
1. Requires significant investment in server infrastructure and maintenance.
Scalability Challenges:

Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

A1 Computer fundamentals4 subtopics

A2 Networks4 subtopics

A3 Databases4 subtopics

A4 Machine learning4 subtopics

B1 Computational thinking1 subtopic

B2 Programming5 subtopics

B3 Object-oriented programming2 subtopics

B4 Abstract data types (HL only)1 subtopic

IB Computer Science Topic A2.2.3: Compare and Contrast Networking Models Notes

A1 Computer fundamentals4 subtopics

A2 Networks4 subtopics

A3 Databases4 subtopics

A4 Machine learning4 subtopics

B1 Computational thinking1 subtopic

B2 Programming5 subtopics

B3 Object-oriented programming2 subtopics

B4 Abstract data types (HL only)1 subtopic

Networking Models: Client-Server vs. Peer-to-Peer

Client-Server Model

Advantages of Client-Server Model

Disadvantages of Client-Server Model

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

Networking Models: Client-Server vs. Peer-to-Peer

Client-Server Model

Advantages of Client-Server Model

Disadvantages of Client-Server Model

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account