257034
Descrição
Mapa Mental por jce299792458, atualizado more than 1 year ago
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Criado por jce299792458
aproximadamente 11 anos atrás
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Design Choices in
Ethernet LANs
- Collision Domains
- Referred to an Ethernet concept of all
ports whose transmitted frames would
cause a collision with frames sent by
other devices in the collision domain
- The devices share
the available
bandwidth.
- The devices might inefficiently use that bandwidth
because of the effects of collisions, particularly
under higher utilization.
- The devices share
the available
bandwidth.
- Referred to an Ethernet concept of all
ports whose transmitted frames would
cause a collision with frames sent by
other devices in the collision domain
- Broadcast Domains
- Set of devices to which
that broadcast is
delivered
- Set of devices to which
that broadcast is
delivered
- Virtual LANs (VLAN)
- You can create multiple broadcast domains using a single switch
- You can create multiple broadcast domains using a single switch
- Campus switches
- Access
- Provides a connection point (access) for
end-user devices. Does not forward
frames between two other access
switches under normal circumstances.
- Provides a connection point (access) for
end-user devices. Does not forward
frames between two other access
switches under normal circumstances.
- Distribution
- Provides an aggregation point for access
switches, forwarding frames between switches,
but not connecting directly to end-user devices.
- Provides an aggregation point for access
switches, forwarding frames between switches,
but not connecting directly to end-user devices.
- Core
- Aggregates distribution switches in
very large campus LANs, providing
very high forwarding rates.
- Aggregates distribution switches in
very large campus LANs, providing
very high forwarding rates.
- Access
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