Patent ID: 7151742

Claim:
A ring node, comprising: a host; a left ring access control coupled to the host and configured to receive left ring traffic, add a host left add traffic to the left ring traffic at an add rate, receive a link failure notification from the right ring access control, with the link failure notification notifying of a link failure of a link connected to the right ring access control, transfer the left ring traffic and the host left add traffic to the right ring access control, and receive the left ring traffic, the host left add traffic, and a host right add traffic back from the right ring access control in a wrap condition; and the right ring access control coupled to the host and coupled to the left ring access control, with the right ring access control being configured to add the host right add traffic and to wrap the left ring traffic, the host left add traffic, the right ring traffic, and the host right add traffic back to the left ring access control in a wrap condition.