Feature.Request.JoltIDPeerCache

"PeerCache helps ISP's and Network operators effectively reduce or eliminate redundant peer-to-peer traffic in their networks with no adverse effects on the user-experience. Users experience faster downloads while network operators save up to 50% of all transit bandwidth costs."

Joltid Peer Cache is a feature available in eMule >= 0.45 and in Azureus >= 2.3.0.0.