Arpanet

(redirected from Tier 1 network)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.

Arpanet

The first digital network that utilized packet switching, which is the transmission of data, regardless of content, in manageable chunks called packets. This was a revolutionary technology and ultimately led to the creation of the modern Internet. It was developed in the 1960s by the Defense Advanced Research Projects Agency.
References in periodicals archive ?
The dependability and functionality of Genuity's Tier 1 network, combined with the company's overall stability, makes this relationship an integral part of our overall offerings in the region," said Toshiaki Imai, executive manager of Internet network planning at NTT-ME's WAKWAK/Xephion Department.
By offering our services in Equinix IBX centers, we are able to extend the reach of Genuity's Tier 1 network to further accommodate the rapidly evolving access and security requirements of enterprises and service providers," said Jim Freeze, Genuity's chief marketing and sales officer.
The new customer service tools will provide customers with an inside view of the Tier 1 network provider's network performance, as well as enhanced hosting reporting capabilities.