Reinvent the bridge

I need someone to invent the following network device:

It’s a dot1q manipulation bridge. Essentially, it would contain two rows of interfaces. Vlans can be manipulated on both sides, with actions such as push and pop, and interfaces could be bridged together.

I imagine the following configuration syntax:

interface 0 {
clear ingress tags
push dot1q 50, 100
bind interface 10
}

interface 1 {
pop 1 dot1q outer
bind interface 11
}

interface 2 {
pop 3 dot1q outer max (the max keyword should indicate that a maximum of 3 tags will be popped, as long as the inner tag remains)
ethertype 0×9700
rewrite inner dot1q 10 if inner dot1q 20 (conditional rewrites would be mighty cool)
bind interface 12
}

Etc.

I think you get the point. I would love to have such a device. It would bring carrier ethernet to a whole new level.

A list of features it should have:

• Rewrite any number of vlans, not just limited to double-tagging
• Do asymmetric push and pop on tags
• rewrite ethertypes
• Conditional rewrites, where the conditions could be existing vlan id, or existing number of vlans

Am I the only one that beleives such a device is missing from the carrier ethernet market?