What is Edge Node's role?

[#1]

Hello all, 

I'm a newbie in Hadoop and I would like to know what is the real meaning of the Edge Node? 

Thanks,

D. 

[#2]

Here is a thread about Edge nodes (aka gateway nodes) that should answer your question. 🙂

[#3]

Thanks, I'll check it. 

[#4]

Edge nodes are the interface between the Hadoop cluster and the outside network. For this reason, they're sometimes referred to as gateway nodes. Most commonly,edge nodes are used to run client applications and cluster administration tools.