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  2. Packet loss - Wikipedia

    en.wikipedia.org/wiki/Packet_loss

    Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination. Packet loss is either caused by errors in data transmission, typically across wireless networks, [ 1][ 2] or network congestion. [ 3]: 36 Packet loss is measured as a percentage of packets lost with respect to packets sent.

  3. UDP hole punching - Wikipedia

    en.wikipedia.org/wiki/UDP_hole_punching

    UDP hole punching is a method for establishing bidirectional UDP connections between Internet hosts in private networks using network address translators. The technique is not applicable in all scenarios or with all types of NATs, as NAT operating characteristics are not standardized. Hosts with network connectivity inside a private network ...

  4. Nagle's algorithm - Wikipedia

    en.wikipedia.org/wiki/Nagle's_algorithm

    Nagle's algorithm. Nagle's algorithm is a means of improving the efficiency of TCP/IP networks by reducing the number of packets that need to be sent over the network. It was defined by John Nagle while working for Ford Aerospace. It was published in 1984 as a Request for Comments (RFC) with title Congestion Control in IP/TCP Internetworks in ...

  5. Head-of-line blocking - Wikipedia

    en.wikipedia.org/wiki/Head-of-line_blocking

    Head-of-line blocking. Head-of-line blocking ( HOL blocking) in computer networking is a performance-limiting phenomenon that occurs when a queue of packets is held up by the first packet in the queue. This occurs, for example, in input-buffered network switches, out-of-order delivery and multiple requests in HTTP pipelining .

  6. Fix problems with Games on AOL.com - AOL Help

    help.aol.com/articles/troubleshooting-games-com...

    Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Fix problems with Games on AOL.com. Select from the topics below to find solutions to common issues experienced on Games on AOL.com.

  7. Explicit Congestion Notification - Wikipedia

    en.wikipedia.org/wiki/Explicit_Congestion...

    t. e. Explicit Congestion Notification ( ECN) is an extension to the Internet Protocol and to the Transmission Control Protocol and is defined in RFC 3168 (2001). ECN allows end-to-end notification of network congestion without dropping packets. ECN is an optional feature that may be used between two ECN-enabled endpoints when the underlying ...

  8. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    Cloudflare timed out contacting the origin server. 523 Origin Is Unreachable Cloudflare could not reach the origin server; for example, if the DNS records for the origin server are incorrect or missing. 524 A Timeout Occurred Cloudflare was able to complete a TCP connection to the origin server, but did not receive a timely HTTP response.

  9. TCP congestion control - Wikipedia

    en.wikipedia.org/wiki/TCP_congestion_control

    Transmission Control Protocol (TCP) uses a congestion control algorithm that includes various aspects of an additive increase/multiplicative decrease (AIMD) scheme, along with other schemes including slow start [ 1] and a congestion window (CWND), to achieve congestion avoidance. The TCP congestion-avoidance algorithm is the primary basis for ...