<div dir="ltr"><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">It's not easier to get UDP through NATs. It's just as hard or harder.</blockquote>
<div><br></div><div>It must be a widely held error, then, because it's what I hear every time the subject arises. My understanding was that since UDP doesn't have the concept of "streams," most NATs will allow all UDP packets through to a given port one it is first hole-punched.</div>
<div><br></div><div>Nat traversal aside, I'm also concerned about performance, and since TCP doesn't make in-order delivery optional, I'm still tempted to stick with UDP...</div></div></div>