{"draft":"draft-ietf-idr-ext-opt-param-13","doc_id":"RFC9072","title":"Extended Optional Parameters Length for BGP OPEN Message","authors":["E. Chen","J. Scudder"],"format":["HTML","TEXT","PDF","XML"],"page_count":"6","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Inter-Domain Routing","abstract":"The Optional Parameters in the BGP OPEN message as defined in the\r\nbase BGP specification are limited to 255 octets due to a one-octet\r\nlength field.  BGP capabilities are carried in this field and may\r\nforeseeably exceed 255 octets in the future, leading to concerns\r\nabout this limitation. \r\n\r\nThis document updates RFC 4271 by extending, in a backward-compatible\r\nmanner, the length of the Optional Parameters in a BGP OPEN message.\r\nThe Parameter Length field of individual Optional Parameters is also\r\nextended.","pub_date":"July 2021","keywords":["IDR","BGP"],"obsoletes":[],"obsoleted_by":[],"updates":["RFC4271"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC9072","errata_url":null}