Does Skype actually route voice traffic through a supernode? I thought it was ju... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

joshaidan on May 11, 2011 | parent | context | favorite | on: Why Google Does Not Own Skype

Does Skype actually route voice traffic through a supernode? I thought it was just routing TCP/UDP requests to open up ports behind a NAT'd router. As well, supernodes may also be handling some authentication traffic. But I'm not 100% familiar with Skype's protocol.

iki23 on May 14, 2011 [–]

Yes, supernodes are used to negotiate the communication trough NATs, the method's called UDP hole punching: http://www.google.com/search?num=100&hl=en&q=skype+n...

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact