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This gives a network operator great flexibility in defining traffic classes. In practice, however, most networks use the following commonly defined per-hop behaviors: Default Forwarding (DF) PHB — which is typically best-effort traffic; Expedited Forwarding (EF) PHB — dedicated to low-loss, low-latency traffic
Some OpenNIC recursive servers (Tier 2 servers) are known for their high speeds and low latency, relative to other more widely used DNS recursors, [4] as well as their anonymizing or no-logging policies. [5] [6] Many servers offer DNSCrypt. Community volunteers operate Tier 2 servers across a multitude of geographic locations.
The DNS server also features blocking domain names using block lists [23] and also supports using HTTP or SOCKS5, for transport of DNS requests over Tor network. [24] The DNS server supports running independently developed plugins that can be used to process and respond to DNS requests.
In its simplest implementation, round-robin DNS works by responding to DNS requests not only with a single potential IP address, but with a list of potential IP addresses corresponding to several servers that host identical services. [2] [3] The order in which IP addresses from the list are returned is the basis for the term round robin.
This is a list of notable managed DNS providers in a comparison table. A managed DNS provider offers either a web-based control panel or downloadable software that allows users to manage their DNS traffic via specified protocols such as: DNS failover , dynamic IP addresses , SMTP authentication , and GeoDNS .
RTT is a measure of the amount of time taken for an entire message to be sent to a destination and for a reply to be sent back to the sender. The time to send the message to the destination in its entirety is known as the network latency, and thus RTT is twice the latency in the network plus a processing delay at the destination. The other ...
A DNS server - short for Domain Name System server - helps your web browser connect to the internet and load websites properly.
Prior to the redefinition, the ToS field could specify a datagram's priority and request a route for low-latency, high-throughput, or highly-reliable service. Based on these ToS values, a packet would be placed in a prioritized outgoing queue, [ 2 ] or take a route with appropriate latency, throughput, or reliability.