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2. Tier 1 network - Wikipedia

   en.wikipedia.org/wiki/Tier_1_network

   A Tier 1 network is an Internet Protocol (IP) network that can reach every other network on the Internet solely via settlement-free interconnection (also known as settlement-free peering). [1] [2] Tier 1 networks can exchange traffic with other Tier 1 networks without paying any fees for the exchange of traffic in either direction. [3]

3. Screened subnet - Wikipedia

   en.wikipedia.org/wiki/Screened_subnet

   In network security a screened subnet refers to the use of one or more logical screening routers as a firewall to define three separate subnets: an external router (sometimes called an access router), that separates the external network from a perimeter network, and an internal router (sometimes called a choke router) that separates the ...

4. Firewall (computing) - Wikipedia

   en.wikipedia.org/wiki/Firewall_(computing)

   In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on configurable security rules. [1] [2] A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet, [3] or between several VLANs.

5. Peering - Wikipedia

   en.wikipedia.org/wiki/Peering

   By definition, peering is the voluntary and free exchange of traffic between two networks, for mutual benefit. If one or both networks believes that there is no longer a mutual benefit, they may decide to cease peering: this is known as depeering. Some of the reasons why one network may wish to depeer another include:

6. Tier 1 - Wikipedia

   en.wikipedia.org/wiki/Tier_1

   Tier One (military), the highest level of military special forces, as in the highest trained and usually the most secretive. Tier 1 in the First COVID-19 tier regulations in England, the lowest concern; Tier 1 in the Second COVID-19 tier regulations in England, the lowest concern; Tier I, a data center standard; Tier I, in United States vehicle ...

7. Category:Tier 1 networks - Wikipedia

   en.wikipedia.org/wiki/Category:Tier_1_networks

   Pages in category "Tier 1 networks" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. ...

8. DMZ (computing) - Wikipedia

   en.wikipedia.org/wiki/DMZ_(computing)

   A single firewall with at least 3 network interfaces can be used to create a network architecture containing a DMZ. The external network is formed from the ISP to the firewall on the first network interface, the internal network is formed from the second network interface, and the DMZ is formed from the third network interface. The firewall ...

9. Autonomous system (Internet) - Wikipedia

   en.wikipedia.org/wiki/Autonomous_system_(Internet)

   This is an accepted version of this page This is the latest accepted revision, reviewed on 10 October 2024. Internet routing system An autonomous system (AS) is a collection of connected Internet Protocol (IP) routing prefixes under the control of one or more network operators on behalf of a single administrative entity or domain, that presents a common and clearly defined routing policy to ...