IB Computer Science Topic A2.3.4 How Static Routing and Dynamic Routing Move Data Across Local Area Networks Revision Notes (HL)

IB Computer Science Topic A2.3.4 How Static Routing and Dynamic Routing Move Data Across Local Area Networks Revision Notes (HL) | RevisionDojo

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Static Routing: Manual Path Configuration

The Process of Static Routing

Manual Configuration: A network administrator manually enters routing information into each router. This includes:
1. Destination network address
2. Subnet mask
3. Next hop address or exit interface
Routing Table: Each router maintains a routing table with:
1. Statically configured routes
2. Directly connected networks
Packet Forwarding:
1. When a packet arrives, the router examines its destination IP address.
2. It searches the routing table for a matching route.
3. If found, the packet is forwarded to the specified next hop or exit interface.
4. If no match is found, the packet is dropped or sent to a default route if configured.

Note

Static routing is ideal for small networks where routes do not change frequently.
It provides predictable network behavior and does not require additional processing power or bandwidth for route updates.

Advantages of Static Routing

Predictability: Routes are predefined, making network behavior more predictable.
Resource Efficiency: No additional processing power or bandwidth is needed for route updates.
Security: By controlling valid routes, administrators can enhance network security.

Disadvantages of Static Routing

Manual Maintenance: Requires manual updates for any network changes, which can be time-consuming.
Lack of Adaptability: Does not adapt to network changes, such as link failures, leading to potential downtime.
Scalability Issues: Becomes complex and error-prone in larger networks.

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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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Static Routing: Manual Path Configuration

The Process of Static Routing

Manual Configuration: A network administrator manually enters routing information into each router. This includes:
1. Destination network address
2. Subnet mask
3. Next hop address or exit interface
Routing Table: Each router maintains a routing table with:
1. Statically configured routes
2. Directly connected networks
Packet Forwarding:
1. When a packet arrives, the router examines its destination IP address.
2. It searches the routing table for a matching route.
3. If found, the packet is forwarded to the specified next hop or exit interface.
4. If no match is found, the packet is dropped or sent to a default route if configured.

Note

Static routing is ideal for small networks where routes do not change frequently.
It provides predictable network behavior and does not require additional processing power or bandwidth for route updates.

Advantages of Static Routing

Predictability: Routes are predefined, making network behavior more predictable.
Resource Efficiency: No additional processing power or bandwidth is needed for route updates.
Security: By controlling valid routes, administrators can enhance network security.

Disadvantages of Static Routing

Manual Maintenance: Requires manual updates for any network changes, which can be time-consuming.
Lack of Adaptability: Does not adapt to network changes, such as link failures, leading to potential downtime.
Scalability Issues: Becomes complex and error-prone in larger networks.

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 A2.3.4: How Static Routing and Dynamic Routing Move Data Across Local Area Networks 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

Static Routing: Manual Path Configuration

The Process of Static Routing

Advantages of Static Routing

Disadvantages of Static Routing

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

Static Routing: Manual Path Configuration

The Process of Static Routing

Advantages of Static Routing

Disadvantages of Static Routing

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