Interconnected networks that transmit data between and across countries and continents.
Middle Mile The electronics and circuitry that carry a signal from interconnection points and aggregation facilities to a Central Office or Point of Presence.
Last Mile The electronics and circuitry that deliver the Internet service to a household.
*Point of Presence(POP): Demarcation point, access point, or physical location at which two or more networks or communication devices share a connection.
**Example of Middle Mile Aggregation Facility is An Internet Exchange Point (IXP), which is a physical location through which Internet infrastructure companies such as ISPs connect with each other.
***Example of Middle Mile Interconnect Facility is a Data Center, which is a facility responsible for driving Internet content delivery and managing network resources.
source : https://broadbandusa.ntia.doc.gov/sites/default/files/2022-12/Introduction_to_Broadband_and_High_Speed_Internet_FINAL_0.pdf
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