Increase Kademlia bucket & table sizes

dominant-strategies · Sep 28, 2023 · 1e74a3c · 1e74a3c
1 parent 9159b79
commit 1e74a3c
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Showing 2 changed files with 6 additions and 5 deletions.
diff --git a/common/types.go b/common/types.go
@@ -49,6 +49,7 @@ const (
 	NumRegionsInPrime = 3
 	NumZonesInRegion  = 3
 	HierarchyDepth    = 3
+	NumChains         = 1 + NumRegionsInPrime*(1+NumZonesInRegion) // Prime + R regions + RxZ zones
 )
 
 var (

diff --git a/p2p/discover/table.go b/p2p/discover/table.go
@@ -39,9 +39,9 @@ import (
 )
 
 const (
-	alpha           = 3  // Kademlia concurrency factor
-	bucketSize      = 16 // Kademlia bucket size
-	maxReplacements = 10 // Size of per-bucket replacement list
+	alpha           = 3                     // Kademlia concurrency factor
+	bucketSize      = 16 * common.NumChains // Kademlia bucket size
+	maxReplacements = 10 * common.NumChains // Size of per-bucket replacement list
 
 	// We keep buckets for the upper 1/15 of distances because
 	// it's very unlikely we'll ever encounter a node that's closer.
@@ -50,8 +50,8 @@ const (
 	bucketMinDistance = hashBits - nBuckets // Log distance of closest bucket
 
 	// IP address limits.
-	bucketIPLimit, bucketSubnet = 2, 24 // at most 2 addresses from the same /24
-	tableIPLimit, tableSubnet   = 10, 24
+	bucketIPLimit, bucketSubnet = 2 * common.NumChains, 24  // Up to 2x num chains in network
+	tableIPLimit, tableSubnet   = 10 * common.NumChains, 24 // Up to 10x num chains in network
 
 	refreshInterval    = 30 * time.Minute
 	revalidateInterval = 10 * time.Second