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A pair of paths are domain-diverse if they do not transit any of the same domains. A pair of paths that share a common ingress and egress are domain-diverse if they only share the same domains at the ingress and egress (the ingress and egress domains). Domain diversity may be maximized for a pair of paths by selecting paths that have the smallest number of shared domains.
Error-Type | Meaning |
---|---|
28 |
|
Type | TLV Name | Reference |
---|---|---|
13 | H-PCE-CAPABILITY | RFC 8685 |
14 | Domain-ID | RFC 8685 |
15 | H-PCE-FLAG | RFC 8685 |
Bit | Description | Reference |
---|---|---|
31 | P (Parent PCE Request bit) | RFC 8685 |
Value | Meaning |
---|---|
0 | Reserved |
1 | 2-byte AS number |
2 | 4-byte AS number |
3 | 4-byte OSPF area ID |
4 | Variable-length IS-IS area ID |
5-255 | Unassigned |
Bit | Description | Reference |
---|---|---|
30 | D (Disallow Domain Re-entry bit) | RFC 8685 |
31 | S (Domain Sequence bit) | RFC 8685 |
Code Point | Name | Reference |
---|---|---|
12 | Minimize the number of Transit Domains (MTD) | RFC 8685 |
13 | Minimize the number of Border Nodes (MBN) | RFC 8685 |
14 | Minimize the number of Common Transit Domains (MCTD) | RFC 8685 |
Value | Description | Reference |
---|---|---|
20 | Domain Count metric | RFC 8685 |
21 | Border Node Count metric | RFC 8685 |
Error-Type | Meaning and Error Values | Reference |
---|---|---|
28 |
|
RFC 8685 |
10 |
|
Bit Number | Description | Reference |
---|---|---|
22 | Destination domain unknown | RFC 8685 |
21 | Unresponsive child PCE(s) | RFC 8685 |
20 | No available resource in one or more domains | RFC 8685 |
19 | Destination is not found in the indicated domain | RFC 8685 |
Bit Number | Description | Reference |
---|---|---|
18 | Domain Diverse O-bit | RFC 8685 |
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