# Recv video delay when sender's outbound packets lost

**URL:** <https://mediasoup.discourse.group/t/recv-video-delay-when-senders-outbound-packets-lost/4370>\
**Category:** mediasoup libraries\
**Created:** [July 15, 2022, 1:33am UTC](https://mediasoup.discourse.group/t/recv-video-delay-when-senders-outbound-packets-lost/4370 "2022-07-15T01:33:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bianxg](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/bianxg/32/691_2.png) [@bianxg](https://mediasoup.discourse.group/u/bianxg)\
**Post date:** [July 15, 2022, 1:33am UTC](https://mediasoup.discourse.group/t/recv-video-delay-when-senders-outbound-packets-lost/4370/1 "2022-07-15T01:33:36Z")

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Issue description  
1 webapp A, B and C are in the conference room. Using clumsy to drop outbound packets with 12% lost rate on webapp A’s host.  
2 Both webapp B and C see A’s video have same 2 or 3 seconds delay sometimes. (sometimes recv video delay is low)

Question:  
1 Where the delayed packets are buffered, mediasoup or webapp B and C?  
2 How to reduce the recv video delay by modify mediasoup’s code or config?

Thanks.
