| 1/base.txt | 2/issue27b.txt | |
|---|---|---|
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| learn a certificate chain with the assistance of the router. Where | learn a certificate chain with the assistance of the router. Where | |
| hosts themselves are certified by a trust anchor, these messages MAY | hosts themselves are certified by a trust anchor, these messages MAY | |
| also optionally be used between hosts to acquire the peer's | also optionally be used between hosts to acquire the peer's | |
| certificate chain. However, the details of such usage are left for | certificate chain. However, the details of such usage are left for | |
| future specification. | future specification. | |
| The Delegation Chain Solicitation (DCS) message is sent by a host | The Delegation Chain Solicitation (DCS) message is sent by a host | |
| when it wishes to request a certificate chain between a router and | when it wishes to request a certificate chain between a router and | |
| the one of the host's trust anchors. The Delegation Chain | the one of the host's trust anchors. The Delegation Chain | |
| Advertisement (DCA) message is sent as an answer to the DCS message. | Advertisement (DCA) message is sent as an answer to the DCS message. | |
| It MAY be periodically sent to the link-scoped All-Nodes multicast | These messages are separate from the rest of Neighbor and Router | |
| address. These messages are separate from the rest of Neighbor and | Discovery, in order to reduce the effect of the potentially | |
| Router Discovery, in order to reduce the effect of the potentially | ||
| voluminous certificate chain information on other messages. | voluminous certificate chain information on other messages. | |
| The Authorization Delegation Discovery (ADD) process does not exclude | The Authorization Delegation Discovery (ADD) process does not exclude | |
| other forms of discovering certificate chains. For instance, during | other forms of discovering certificate chains. For instance, during | |
| fast movements mobile nodes may learn information - including the | fast movements mobile nodes may learn information - including the | |
| certificate chains - of the next router from a previous router. | certificate chains - of the next router from a previous router. | |
| 6.1 Delegation Chain Solicitation Message Format | 6.1 Delegation Chain Solicitation Message Format | |
| Hosts send Delegation Chain Solicitations in order to prompt routers | Hosts send Delegation Chain Solicitations in order to prompt routers | |
| to generate Delegation Chain Advertisements quickly. | to generate Delegation Chain Advertisements. | |
| 0 1 2 3 | 0 1 2 3 | |
| 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| | Type | Code | Checksum | | | Type | Code | Checksum | | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| | Identifier | Reserved | | | Identifier | Reserved | | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| | Options ... | | Options ... | |
| +-+-+-+-+-+-+-+-+-+-+-+- | +-+-+-+-+-+-+-+-+-+-+-+- | |
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| Encoded X.501 Name; see Section 6.3. If there are more than | Encoded X.501 Name; see Section 6.3. If there are more than | |
| one Trust Anchor options, the options past the first one may | one Trust Anchor options, the options past the first one may | |
| contain any types of Trust Anchors. | contain any types of Trust Anchors. | |
| Future versions of this protocol may define new option types. | Future versions of this protocol may define new option types. | |
| Receivers MUST silently ignore any options they do not recognize | Receivers MUST silently ignore any options they do not recognize | |
| and continue processing the message. | and continue processing the message. | |
| 6.2 Delegation Chain Advertisement Message Format | 6.2 Delegation Chain Advertisement Message Format | |
| Routers send out Delegation Chain Advertisement messages | Routers send out Delegation Chain Advertisement messages in response | |
| periodically, or in response to a Delegation Chain Solicitation. | to a Delegation Chain Solicitation. | |
| 0 1 2 3 | 0 1 2 3 | |
| 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| | Type | Code | Checksum | | | Type | Code | Checksum | | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| | Identifier | Component | | | Identifier | Component | | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| | Reserved | | | Reserved | | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |