From 8898bcd9a9e6c69f272366aaa55269dcd13128c0 Mon Sep 17 00:00:00 2001
From: Mingwei Tian <mingwei@mystenlabs.com>
Date: Sat, 25 Mar 2023 13:36:10 -0700
Subject: [PATCH] More tolerant congestion control

---
 crates/anemo/src/config.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/crates/anemo/src/config.rs b/crates/anemo/src/config.rs
index 2d1ef12..6ec4fab 100644
--- a/crates/anemo/src/config.rs
+++ b/crates/anemo/src/config.rs
@@ -3,7 +3,7 @@ use crate::{
     PeerId, Result,
 };
 use pkcs8::EncodePrivateKey;
-use quinn::VarInt;
+use quinn::{congestion, VarInt};
 use rcgen::{CertificateParams, KeyPair, SignatureAlgorithm};
 use serde::{Deserialize, Serialize};
 use std::{sync::Arc, time::Duration};
@@ -342,6 +342,12 @@ impl QuicConfig {
             config.keep_alive_interval(Some(keep_alive_interval));
         }
 
+        let mut cc_config = congestion::NewRenoConfig::default();
+        cc_config.loss_reduction_factor(0.7);
+        cc_config.initial_window(4 << 20);
+        cc_config.minimum_window(1 << 20);
+        config.congestion_controller_factory(Arc::new(cc_config));
+
         config
     }
 }