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Cloud Computing > 8 - Edge Computing > Flashcards

8 - Edge Computing Flashcards

1
Q

Offloading

A

Offload work from mobile to server but you must chooose which to save energy and latency

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2
Q

Energy: Offload when…

A

Large amounts of computation to low amount of comms

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3
Q

Latency: Offload when…

A

network allows

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4
Q

Code Profiler (mobile)

A

Determine offloadable modules

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5
Q

System Profiler (mobile)

A

Battery, network and CPU status etc

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6
Q

Decision engine (mobile)

A

Is there a predicted benefit?

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7
Q

Cloudlet

A

Small cluster of powerful servers with connectivity to remote clouds

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8
Q

IoT

A

Internet of Things - network of connected devices that sense, gatehr data and communicate about environmenty

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9
Q

IoT examples

A

Sensors
Smart Home Gadgets
Wearables

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10
Q

Examples of high volume data

A

Offshore oil rigs 500GB weekley
Commercial jets 10TB for every 30mins of flight
…

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11
Q

Edge Computing

A

Move computation to data location

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12
Q

Device Layer

IoT Devices with what attributes?

A

IoT Devices which are :
resource -constrained
predominantly wireless
geographically distributed

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13
Q

Edge Layer

A

Formed of edge nodes

Computer and storage servers + network gateways

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14
Q

Where are edge layer devices? (Physically)

A

Geographically distributed at network edge. Eg shopping centres, factories, stations etc

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15
Q

What is Edge computing (Server)

A

Moving the computation from large dedicated datacenters to smaller nodes closer to the users

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16
Q

Benefits of edge computing (Server)

A

Less bandwidth requirements
Lower latency
Enables better data compliance (Data can be stored in the same country it is made GDPR)

17
Q

Downside of Edge computing (Server)

A

More expensive per server
Less compute & storage available

18
Q

Examples of edge computing (Server)

A

Netflix cache servers
Video distribution networks
Cloud Gaming

Cloud Computing (10 decks)

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