There can be a destination options header before the routing header.
And there can be one after the routing header. The former is examined
at every addressed destination. The later is examined when the routing
header reaches its final destination.
That is the RFC 8200 defined behavior.
Yours,
Joel
On 5/24/2020 5:33 PM, Robert Raszuk wrote:
Hi Tom,
Thank you !
That confirms my understanding ie that DOH will be examined at each
segment endpoint hop if DOH is present.
So just like PSSI or TPF suggest a build in filtering (for example by
target ID) is required to avoid misuse.
Kind regards,
Robert.
Robert,
Look at Destination Options before the routing header in RFC8200.
These are intended to be processed at every intermediate destination
in the routing header and precede any fragment header.
Tom
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