Appendix B: Comparison with RFC 1966

All the changes listed in Appendix A, plus the following.

Several terminologies related to route reflection are clarified, and the reference to EBGP routes/peers are removed.

The handling of a routing information loop (due to route reflection) by a receiver is clarified and made more consistent.

The addition of a CLUSTER_ID to the CLUSTER_LIST has been changed from "append" to "prepend" to reflect the deployed code.

The section on "Configuration and Deployment Considerations" has been expanded to address several operational issues.