A Novel Fog Computing Based Architecture to Improve the Performance in Content Delivery Networks

Table 2

Comparison of cloud computing and Fog computing.

	Cloud	Fog
Deployment	Centralized.	Distributed in regional areas; related to specific locations.
Distance to Users	Faraway. Users connect to it through IP networks.	In the proximity. Users often connect through single hop connections.
Target User	General internet users.	Mainly mobile users.
Hardware	Scalable storage space and computing power.	Limited storage, computing power, and wireless interface.
Latency	High.	Low.
Service Type	Global information collected worldwide.	Limited localized information services related to specific deployment locations.