RE: [wsbpel] Issue - 157 - Proposal For Vote

> In the 157 model a partnerLink is just another infoset.

I guess what is not clear is what kind of type constraint we put on this
infoset. Should it be a service-ref type? Could it be just a
ws-a:Address? I don't remember seeing this spelled out in the latest
spec or in the 157 proposal.