We're considering moving to MSDeploy for a project with a large file system footprint (> 1gb) and I'd like to get some clarification on how MsDeploy.axd is used.
Is the entire package uploaded to the deployment service before a sync occurs, or is it limited to the files that change. I know that the the sync _itself_ will only update modified files, but I'm worried about the upload to the remote server.
Any online documentation that confirms this would also be appreciated.