@techreport{ward-bgp4-ibb-00, number = {draft-ward-bgp4-ibb-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ward-bgp4-ibb/00/}, author = {John Scudder and David Ward}, title = {{BGP Notification Cease: I'll Be Back}}, pagetotal = 8, year = 1999, month = jun, day = 21, abstract = {Many recent router architectures decouple the routing engine from the forwarding engine, so that packet forwarding can continue even if routing software is not active. The current definition of the BGP protocol does not support this. We propose a new variety of CEASE NOTIFICATION message (IBB) which indicates to a peer that the router sending the notification expects to be able to continue forwarding traffic for a certain period of time without an established BGP peering session. We also propose a new OPEN message (ICB) that if received during the HOLDTIME period, does not require conventional reestablishment of the BGP peering session. These capabilities are useful for orderly and non-intrusive routing software updates, operating system updates, AS number migration, redundancy and catastrophic event handling.}, }