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@ -73,7 +73,7 @@ const rttMinConfidence = 0.1 |
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const ttlScaling = 3 |
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// ttlLimit is the maximum timeout allowance to prevent reaching crazy numbers
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// if some unforeseen network events shappen. As much as we try to hone in on
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// if some unforeseen network events happen. As much as we try to hone in on
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// the most optimal values, it doesn't make any sense to go above a threshold,
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// even if everything is slow and screwy.
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const ttlLimit = time.Minute |
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@ -92,9 +92,9 @@ const tuningImpact = 0.25 |
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// Tracker estimates the throughput capacity of a peer with regard to each data
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// type it can deliver. The goal is to dynamically adjust request sizes to max
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// out network throughput without overloading either the peer or th elocal node.
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// out network throughput without overloading either the peer or the local node.
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//
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// By tracking in real time the latencies and bandiwdths peers exhibit for each
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// By tracking in real time the latencies and bandwidths peers exhibit for each
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// packet type, it's possible to prevent overloading by detecting a slowdown on
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// one type when another type is pushed too hard.
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//
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@ -214,7 +214,7 @@ type Trackers struct { |
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// confidence represents the probability that the estimated roundtrip value
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// is the real one across all our peers. The confidence value is used as an
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// impact factor of new measurements on old estimates. As our connectivity
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// stabilizes, this value gravitates towards 1, new measurements havinng
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// stabilizes, this value gravitates towards 1, new measurements having
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// almost no impact. If there's a large peer churn and few peers, then new
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// measurements will impact it more. The confidence is increased with every
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// packet and dropped with every new connection.
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@ -316,7 +316,7 @@ func (t *Trackers) medianRoundTrip() time.Duration { |
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} |
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// MeanCapacities returns the capacities averaged across all the added trackers.
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// The purpos of the mean capacities are to initialize a new peer with some sane
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// The purpose of the mean capacities are to initialize a new peer with some sane
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// starting values that it will hopefully outperform. If the mean overshoots, the
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// peer will be cut back to minimal capacity and given another chance.
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func (t *Trackers) MeanCapacities() map[uint64]float64 { |
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