# Reducing bandwidth costs for streaming live events

**URL:** <https://community.wowza.com/t/reducing-bandwidth-costs-for-streaming-live-events/37292>\
**Category:** Wowza Streaming Engine\
**Created:** [September 18, 2011, 11:38am UTC](https://community.wowza.com/t/reducing-bandwidth-costs-for-streaming-live-events/37292 "2011-09-18T11:38:22Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![sherly\_adams](https://avatars.discourse-cdn.com/v4/letter/s/5e9695/32.png) [@sherly\_adams](https://community.wowza.com/u/sherly_adams)\
**Post date:** [October 8, 2011, 1:39pm UTC](https://community.wowza.com/t/reducing-bandwidth-costs-for-streaming-live-events/37292/3 "2011-10-08T13:39:17Z")

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> The RTPPusher module can broadcast to a multicast IP: [RTPPusher: package for pushing RTP/MPEG-TS unicast and multicast streams out of Wowza](http://community.wowza.com/t/-/93)
> 
> But, you can not use multicast over the Internet.
> 
> You can use a CDN (Content Delivery Network) service so that the only bandwidth you use on your network is to send the stream to the CDN.
> 
> There is a concept called “P2P streaming” that is designed to reduce client-server bandwidth.
> 
> But, for the most part, the only way to reduce bandwidth is to reduce stream bitrate.

Hi randall,

Is there any known p2p developments using wowza? It would be nice to have something like rather than using 20+ servers!

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