Bump ideal peer count based on network simulations. See also https://github.com/ethereum/devp2p/wiki/Peer-Selection-Strategy

eth/main.cpp

@@ -547,7 +547,7 @@ int main(int argc, char** argv)
 	string publicIP;
 	string remoteHost;
 	unsigned short remotePort = 30303;
-	unsigned peers = 5;
+	unsigned peers = 11;
 	bool bootstrap = false;
 	unsigned networkId = 0;
 

libp2p/Host.h

@@ -243,7 +243,7 @@ private:
 	std::list<std::weak_ptr<RLPXHandshake>> m_connecting;					///< Pending connections.
 	Mutex x_connecting;													///< Mutex for m_connecting.
 
-	unsigned m_idealPeerCount = 5;										///< Ideal number of peers to be connected to.
+	unsigned m_idealPeerCount = 11;										///< Ideal number of peers to be connected to.
 
 	std::map<CapDesc, std::shared_ptr<HostCapabilityFace>> m_capabilities;	///< Each of the capabilities we support.