scionassociation / scion-cp_I-D

Specification of the SCION control plane.
https://scionassociation.github.io/scion-cp_I-D/
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Clarify path reversal for symmetric routing #22

Closed nicorusti closed 2 months ago

nicorusti commented 3 months ago

think in the provider world it is expected that traffic between two endpoints uses bidirectionally the same path symmetrically. As each AS can select its own path to other AS's, it looks like SCION is not symmetrical. Maybe a comment around that could help.

@nicorusti: a sentence to clarify this could be added in 1.6. at bullet point path reversal.