Documents by E. Chen
1998, RFC2270: Using a Dedicated AS for Sites  Homed to a Single Provider
            1999, RFC2519: A Framework for Inter-Domain Route Aggregation
            2000, RFC2796: BGP Route Reflection - An Alternative to Full Mesh IBGP
            2000, RFC2918: Route Refresh Capability for BGP-4
            
            2006, RFC4486: Subcodes for BGP Cease Notification Message
            
            2007, RFC4724: Graceful Restart Mechanism for BGP
            2007, RFC4893: BGP Support for Four-octet AS Number Space
            2007, RFC5004: Avoid BGP Best Path Transitions from One External to Another
            2008, RFC5291: Outbound Route Filtering Capability for BGP-4
            2008, RFC5292: Address-Prefix-Based Outbound Route Filter for BGP-4
            2010, RFC5919: Signaling LDP Label Advertisement Completion
            2011, RFC6286: Autonomous-System-Wide Unique BGP Identifier for BGP-4
            2011, RFC6404: Session PEERing for Multimedia INTerconnect (SPEERMINT) Security Threats and Suggested Countermeasures
            
            2014, RFC7313: Enhanced Route Refresh Capability for BGP-4
            2015, RFC7606: Revised Error Handling for BGP UPDATE Messages
            2016, RFC7911: Advertisement of Multiple Paths in BGP
            2016, RFC7964: Solutions for BGP Persistent Route Oscillation
            2018, RFC8357: Generalized UDP Source Port for DHCP Relay
            2021, RFC9072: Extended Optional Parameters Length for BGP OPEN Message
            
            2023, RFC9494: Long-Lived Graceful Restart for BGP