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at least one provider

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Randy Bush 2021-02-10 17:09:26 -08:00
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draft-ietf-sidrops-8210bis.xml
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@ -962,14 +962,14 @@
| |
+-------------------------------------------+
| |
| Provider Autonomous System Number(s) |
| Provider Autonomous System Numbers |
| |
~-------------------------------------------~
</artwork>
</figure>
<t>The ASPA PDU is to support <xref
target="I-D.ietf-sidrops-aspa-profile"/>. An ASPA PDU
represents one single customer AS and zero or more provider ASs
represents one single customer AS and one or more provider ASs
for a particular Address Family. Receipt of an ASPA PDU
announcement when the router already has an ASPA PDU with the
same Customer Autonomous System Number and the same Address
@ -995,23 +995,25 @@
2-7 Reserved, must be zero
</artwork>
</figure>
<t>The Provider AS Count is the number of Provider Autonomous
System Number(s) at the end of the PDU, and may be zero or more.
<t>
The Provider AS Count is the number of Provider Autonomous
System Number(s) at the end of the PDU, and MUST be one or
more.
</t>
<t>
The Customer Autonomous System Number is the 32-bit
Autonomous System Number of the customer which signed the
PDU. There may be only one ASPA for a Customer Autonomous
System Number active at any time.
The Customer Autonomous System Number is the 32-bit Autonomous
System Number of the customer which signed the PDU. There
MUST be one and only one ASPA for a Customer Autonomous System
Number active in the router at any time.
</t>
<t>
The Provider AS Count is the number of 32-bit Provider
Autonomous System Numbers in the PDU. There may be none.
Autonomous System Numbers in the PDU. It MUST be one or
greater.
</t>
<t>
There are zero or more 32-bit Provider Autonomous System
Number fields; see <xref
target="I-D.ietf-sidrops-aspa-profile"/>.
There are one or more 32-bit Provider Autonomous System Number
fields; see <xref target="I-D.ietf-sidrops-aspa-profile"/>.
</t>
</section>