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BUFFERBLOAT

Bufferbloat

Network latency caused by excessive packet buffering

Bufferbloat is the undesirable latency that comes from a router or other network equipment buffering too many data packets. Bufferbloat can also cause

Bufferbloat

Network scheduler

Arbiter on a node in a packet switching communication network

have been implemented as Linux kernel modules and are freely available. Bufferbloat is a phenomenon in packet-switched networks in which excess buffering

Network scheduler

Network_scheduler

CoDel

Queue management algorithm for computer network packets

Kathleen Nichols and published as RFC8289. It is designed to overcome bufferbloat in networking hardware, such as routers, by setting limits on the delay

CoDel

OpenWrt

Linux distribution for wireless routers and embedded systems

testing of bufferbloat fixes. The CeroWRT project is completely by 2014, when the finalized fixes were merged into OpenWRT. The "Bufferbloat project" behind

OpenWrt

Dave Täht

American network engineer (1965–2025)

Täht co-founded the Bufferbloat Project with Jim Gettys, ran the CeroWrt and Make-Wifi-Fast sub-projects, and refereed the bufferbloat related mailing lists

Dave Täht

Dave_Täht

Jim Gettys

American computer programmer

Alcatel-Lucent Bell Labs. Gettys was the co-founder of the group investigating bufferbloat and the effect it has on the performance of the Internet. He was a core

Jim Gettys

Jim_Gettys

TCP congestion control

Techniques to improve network performance

Loss/Delay Sender Lossy links BBR Delay Sender BLVC, Bufferbloat LEDBAT Delay Sender, Receiver Bufferbloat CLAMP Multi-bit signal Receiver, Router Variable-rate

TCP congestion control

TCP_congestion_control

Active queue management

Intentional dropping of network packets during congestion

maintain a shorter queue length than drop-tail queues, which combats bufferbloat and reduces network latency. Early AQM disciplines (notably RED and SRED)

Active queue management

Active_queue_management

IETF network protocol

simultaneously lower network latency and packet loss rates by reducing bufferbloat throughout the Internet, while preserving network throughput. It uses

L4S

Latency (engineering)

Time delay between an input and a response

while a gateway determines what to do with a newly received packet. Bufferbloat can also cause increased latency that is an order of magnitude or more

Latency (engineering)

Latency_(engineering)

Head-of-line blocking

Performance-limiting phenomenon in computer networks

certain amount of loss can be tolerated without incurring retransmissions. Bufferbloat FIFO HTTP pipelining Network scheduler Pipeline stall M. Karo; M. Hluchyj;

Head-of-line blocking

Head-of-line_blocking

Packet loss

Transmitted packets failing to reach their destination

real-time throughput; however, increasing the buffer size can lead to bufferbloat, which has its own impact on latency and jitter during congestion. In

Packet loss

Packet_loss

MTR (software)

Network diagnostic software

might be having network problems. Free and open-source software portal Bufferbloat "Tags - traviscross/mtr". Retrieved 24 Aug 2025 – via GitHub. Upstream

MTR (software)

MTR_(software)

DOCSIS

Standard for computer networking over a cable television system

industry to reduce its energy usage, and the DOCSIS-PIE algorithm to reduce bufferbloat. In the United States, broadband provider Comcast announced in February

DOCSIS

ALTQ

Network scheduler for Berkeley Software Distribution

effects on throughput. CoDel — Controlled Delay. Attempts to combat bufferbloat. fairq — Fair Queuing. Attempts to fairly distribute bandwidth among

ALTQ

Kathleen Nichols

American computer scientist and computer networking researcher

the problem of bufferbloat, which can lead to failure with Transmission Control Protocol congestion-avoidance algorithms. Bufferbloat causes problems

Kathleen Nichols

Kathleen_Nichols

Bandwidth-delay product

Parameter in telecommunications networking

Compound TCP Agile-SD Protocol spoofing Satellite internet Internet2 Bufferbloat Kibibyte, for KiB vs KB Little's law RFC 1072: Introduction Villamizar

Bandwidth-delay product

Bandwidth-delay_product

Quality of service

Traffic prioritization and measure of network performance

available in routers can be used to implement those treatments. BSSGP Bufferbloat Class of service Cross-layer interaction and service mapping LEDBAT Low-latency

Quality of service

Quality_of_service

Network congestion

Reduced quality of service due to high network traffic

occur when concurrent TCP flows experience tail-drops, especially when bufferbloat is present. This delayed packet loss interferes with TCP's automatic

Network congestion

Network_congestion

Fair queuing

Scheduling algorithm for sharing of limited resources

O(log(n)) complexity, but with more complex code. Active queue management Bufferbloat Deficit round robin Fairness measure Generalized processor sharing Max-min

Fair queuing

Fair_queuing

Gogo Inflight Internet

In-flight Internet service

Gogo service exhibited multiple seconds of latency under load, due to bufferbloat. Gogo's ATG-4 system is a backwards compatible improvement to the previous

Gogo Inflight Internet

Gogo_Inflight_Internet

List of programmers

Microsoft Jim Gettys – X Window System, HTTP/1.1, One Laptop per Child, Bufferbloat Steve Gibson – created SpinRite John Gilmore – GNU Debugger (GDB) Adele

List of programmers

List_of_programmers

Queuing delay

Time a job or message waits in a queue until it can be executed or sent

choosing instead to buffer an ever-increasing number of them, produces bufferbloat. In Kendall's notation, the M/M/1/K queuing model, where K is the size

Queuing delay

Queuing_delay

OpenWireless.org

Internet activism project

Movement". NYCwireless. Retrieved 2016-09-28. "Cerowrt Wiki - Bufferbloat.net". www.bufferbloat.net. Retrieved 2025-04-04. "Open Wireless Router Firmware

OpenWireless.org

TCP tuning

Techniques to increase throughput over the transmission control protocol

better queue length would be: ifconfig wlan0 mtu 1492 txqueuelen 100 Bufferbloat Explicit Congestion Notification "High Performance SSH/SCP - HPN-SSH"

TCP tuning

TCP_tuning

Vishal Misra

American engineer

(Proportional Integral controller Enhanced) algorithm, which addresses the bufferbloat problem in internet networks. The PIE controller has been incorporated

Vishal Misra

Vishal_Misra

Recursive Internetwork Architecture

Computer network architecture proposal

proactive or preventive. This interacts badly with large buffers, leading to bufferbloat. Multihoming: the IP address and port number are too low-level to identify

Recursive Internetwork Architecture

Recursive_Internetwork_Architecture