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Randy Bush 2020-05-25 17:57:04 -07:00
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draft-ymbk-bgp-discovery-layers.txt
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@ -194,7 +194,11 @@ Internet-Draft Trade-offs in BGP Peer Discovery May 2020
[I-D.acee-idr-lldp-peer-discovery] describes how to use the LLDP IETF [I-D.acee-idr-lldp-peer-discovery] describes how to use the LLDP IETF
Organizationally Specific TLV to augment the LLDP TLV set to Organizationally Specific TLV to augment the LLDP TLV set to
transport transport BGP Config Sub-TLVs signaling AFI, IP address (IPv4 or
IPv6), Local ASs, Local BGP Identifier (aka, BGP Router ID), Session
Group-ID, BGP [Authentication] Session Capabilities, and Local
Address (Next Hop). Which iof these are really necessary could be
discussed.
7.2. Layer-3 Discovery Protocol (L3dl) 7.2. Layer-3 Discovery Protocol (L3dl)
@ -212,11 +216,7 @@ Internet-Draft Trade-offs in BGP Peer Discovery May 2020
Unlike LLDP, L3DL has only one implementation and is not widely Unlike LLDP, L3DL has only one implementation and is not widely
deployed. deployed.
8. Discovery at Layer Three
Discovery at Layer-3 can assume IP addressability, though the IP
addresses of potential peers are not known a priori and need to be
discovered before further negotiation.
@ -226,6 +226,12 @@ Bush Expires November 26, 2020 [Page 4]
Internet-Draft Trade-offs in BGP Peer Discovery May 2020 Internet-Draft Trade-offs in BGP Peer Discovery May 2020
8. Discovery at Layer Three
Discovery at Layer-3 can assume IP addressability, though the IP
addresses of potential peers are not known a priori and need to be
discovered before further negotiation.
The principal problem would appear to be discovery at Layer-3, The principal problem would appear to be discovery at Layer-3,
because one neither knows whether to use IPv4 or IPv6. This is because one neither knows whether to use IPv4 or IPv6. This is
exacerbated by the possibility of a potential peer not being on the exacerbated by the possibility of a potential peer not being on the
@ -267,12 +273,6 @@ Internet-Draft Trade-offs in BGP Peer Discovery May 2020
The IDR BGP Discovery Design Team. The IDR BGP Discovery Design Team.
12. IANA Considerations
None
@ -282,6 +282,10 @@ Bush Expires November 26, 2020 [Page 5]
Internet-Draft Trade-offs in BGP Peer Discovery May 2020 Internet-Draft Trade-offs in BGP Peer Discovery May 2020
12. IANA Considerations
None
13. Normative References 13. Normative References
[I-D.acee-idr-lldp-peer-discovery] [I-D.acee-idr-lldp-peer-discovery]
@ -329,8 +333,4 @@ Author's Address
Bush Expires November 26, 2020 [Page 6] Bush Expires November 26, 2020 [Page 6]