{"draft":"","doc_id":"RFC1333","title":" PPP Link Quality Monitoring ","authors":["W. Simpson"],"format":["ASCII","HTML"],"page_count":"17","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Point-to-Point Protocol Extensions","abstract":" The Point-to-Point Protocol (PPP) [1] provides a standard method of encapsulating Network Layer protocol information over point-to-point links.  PPP also defines an extensible Link Control Protocol, which allows negotiation of a Quality Protocol for continuous monitoring of the viability of the link.  [STANDARDS-TRACK]  ","pub_date":"April 1992","keywords":["serial line","IP over serial","dial-up"],"obsoletes":[],"obsoleted_by":[" RFC1989"],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC1333","errata_url":null}