At 9:46 AM -0400 3/29/12, Jakob Heitz wrote:
Let's just require that BGPSEC capable routers
also support 4 byte AS. Then we don't need to worry
about AS4_PTH.
--
Jakob Heitz.
This is already a requirement. See the BGPSEC protocol spec, page 4:
By indicating support for receiving BGPSEC update messages, a BGP
speaker is, in particular, indicating that the following are true:
o The BGP speaker understands the BGPSEC_Path_Signatures
attribute (see Section 3).
o The BGP speaker supports 4-byte AS numbers (see RFC 4893).
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