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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

a standard router , the only wayto preventBufferbloat

stupid network operators misconfiguring equipmentto causebufferbloat

when your gigabit internal network pushes packets to your home router / firewall , which has to deal with a lower speed connection on the other side(passive) is causedBufferbloat

fixed buffer sizescreatingbufferbloat

large buffers which are generally filled and not managed by for ex AQMwill provokebufferbloat

modems having a large amount of upstream ( towards the internet(passive) is caused byBufferbloat

Large buffers are badcausebufferbloat

Any download or upload that uses all your bandwidthwill createbufferbloat

When bottleneck buffers are large , loss - based congestion control keeps them fullcausingbufferbloat

i purposely limit it to around 75 %to preventbufferbloat

When bottle- neck buffers are large , loss - based con- gestion control keeps them fullcausingbufferbloat

large memory buffers in devices like routers and in applications like media players messing with the native flow control in TCP / IP(passive) is caused byBufferbloat

a 10Gbps interface ... increasing the RX ring buffer on the 10 Gbps interface ( or the TX buffer on the 1Gbps interfacecan causeBufferbloat

when traffic steps down from say a 10Gbps interface to a 1 Gbps interface that increasing the RX ring buffer on the 10 Gbps interface ( or the TX buffer on the 1Gbps interfacecan causeBufferbloat

CeroWrt ... anythingto preventbufferbloat

pf ... is designedto preventbufferbloat

to 70 %(passive) is setbufferbloat

will fill up the switch in turncausingbufferbloat

So when i attach traffic rules or scripts these speeds are ever lowerto preventbufferbloat

M Question UploadingcausesBufferbloat

a myriad of factors(passive) is caused byBufferbloat

Asymmetrical servicecan causebufferbloat

I always enable CODELQ on the WAN interfaceto preventbufferbloat

if setcould causebufferbloat

also(passive) is ... setBufferbloat

an alternative to ALTQ traffic shapping on pfSensemore precisely to preventbufferbloat

many things(passive) can be caused byBufferbloat

every action I could ... tryingto preventbufferbloat

Simple and Stateless AQM Capable of Handling High Priority Thin Flowsto PreventBufferbloat

to apply CodelQ AQM shaping to outbound trafficto preventbufferbloat

your latency problem ... over provisioningcreatingbufferbloat

in high latency ... and bursts of jittercan resultin high latency ... and bursts of jitter

much of the poor performance and human pain experienced using today ’s Internetcausesmuch of the poor performance and human pain experienced using today ’s Internet

increased delays of an order of magnitude or morecan furthermore causeincreased delays of an order of magnitude or more

thuscausesthus

large latencycauseslarge latency

increased queuing delay and end - to - end latency , which degrades the experience of interactive applications , such as web browsing or chatcausesincreased queuing delay and end - to - end latency , which degrades the experience of interactive applications , such as web browsing or chat

lag spikes in your game and bring your connection to games haltcauselag spikes in your game and bring your connection to games halt

The problem(passive) is caused byThe problem

packet delay or jitter , as well as reduce the overall network speedcan also causepacket delay or jitter , as well as reduce the overall network speed

packet delay variation , as well as reduce the overall network throughputcan also causepacket delay variation , as well as reduce the overall network throughput

problems such as high and variable latency , network bottlenecks , and dropped packetscausesproblems such as high and variable latency , network bottlenecks , and dropped packets

packet delay variation ( also known as jitter ) , as well as reduce the overall network throughputcan also causepacket delay variation ( also known as jitter ) , as well as reduce the overall network throughput

Your horrible ping times(passive) are caused byYour horrible ping times

increased latency that is an order of magnitude or morecan also causeincreased latency that is an order of magnitude or more

increased latency in modems ( as well as other network equipment and operating system softwarecausesincreased latency in modems ( as well as other network equipment and operating system software

network performance problemscausesnetwork performance problems

latency spikes(passive) caused bylatency spikes

on a certain speedIs ... triggeredon a certain speed

chaotic and laggy network performancecauseschaotic and laggy network performance

long latency and low throughput in a WAN linkis causinglong latency and low throughput in a WAN link

the throttling(passive) caused bythe throttling

that large delay would produce much larger fiterr variancecausingthat large delay would produce much larger fiterr variance

in just what you have seenwill resultin just what you have seen

lag spikes in your game and bring your connection to a haltcauselag spikes in your game and bring your connection to a halt

in poor Internet Qualityresultsin poor Internet Quality

your network to be ten or even a hundred times slower than it should be when suffering from bufferbloatis often causingyour network to be ten or even a hundred times slower than it should be when suffering from bufferbloat

oftenis ... causingoften

slowdown by starving connections of the ACKs they needcan causeslowdown by starving connections of the ACKs they need

issuescausesissues

customer and operator suffering(passive) caused directly bycustomer and operator suffering

poor network performance for voice , video­conferencing , gaming , DNS and web trafficcausespoor network performance for voice , video­conferencing , gaming , DNS and web traffic

my clientwas preventingmy client

at 73 %setat 73 %

Ping spikes(passive) are caused byPing spikes

on 70 % download and upload using dsl reportsseton 70 % download and upload using dsl reports

to failure with Transmission Control Protocol congestion - avoidance algorithmscan leadto failure with Transmission Control Protocol congestion - avoidance algorithms

Transient problems(passive) caused byTransient problems

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Smart Reasoning:

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