Just a point of clarification. The plan for dismantling the T1 calls for encapsulation of CLNP at any ENSS that runs OSI on the T1 net as an interim measure until native CLNP is available on the T3 routers. This will be done by a sepearate box which will probably be one of the RTs formerly used as the T1 router. Performance of the encapsulator is expected to be comparable or better than OSI performance on the T1 net (since there is no IP traffic to load the box), though testing is still ongoing. Native CLNP support is scheduled for first half of '93. Please keep in mind that OSI traffic at the "heavy" OSI sites is far less than IP traffic for the same sites. Providing the interim encapsualtion saves a great deal of expense by allowing the T1 network to be fully dismantled while continuing to support CLNP even though native CLNP is not ready. At no time was dropping CLNP support considered. Curtis