| < draft-bryant-ipfrr-tunnels-01.txt | draft-bryant-ipfrr-tunnels-02.txt > | |||
|---|---|---|---|---|
| Network Working Group S. Bryant | Network Working Group S. Bryant | |||
| Internet Draft C. Filsfils | Internet Draft C. Filsfils | |||
| Expiration Date: Apr 2005 S. Previdi | Expiration Date: Oct 2005 S. Previdi | |||
| M. Shand | M. Shand | |||
| Cisco Systems | Cisco Systems | |||
| Oct 2004 | Apr 2005 | |||
| IP Fast Reroute using tunnels | IP Fast Reroute using tunnels | |||
| draft-bryant-ipfrr-tunnels-01.txt | draft-bryant-ipfrr-tunnels-02.txt | |||
| Status of this Memo | Status of this Memo | |||
| By submitting this Internet-Draft, we certify that any applicable | By submitting this Internet-Draft, each author represents that any | |||
| patent or other IPR claims of which we are aware have been | applicable patent or other IPR claims of which he or she is aware | |||
| disclosed, or will be disclosed, and any of which we become aware | have been or will be disclosed, and any of which he or she becomes | |||
| will be disclosed, in accordance with RFC 3668. | aware will be disclosed, in accordance with Section 6 of BCP 79. | |||
| Internet-Drafts are working documents of the Internet Engineering | Internet-Drafts are working documents of the Internet Engineering | |||
| Task Force (IETF), its areas, and its working groups. Note that | Task Force (IETF), its areas, and its working groups. Note that | |||
| other groups may also distribute working documents as | other groups may also distribute working documents as Internet- | |||
| Internet-Drafts. | Drafts. | |||
| Internet-Drafts are draft documents valid for a maximum of six | Internet-Drafts are draft documents valid for a maximum of six | |||
| months and may be updated, replaced, or obsoleted by other | months and may be updated, replaced, or obsoleted by other | |||
| documents at any time. It is inappropriate to use Internet-Drafts | documents at any time. It is inappropriate to use Internet-Drafts | |||
| as reference material or to cite them other than a "work in | as reference material or to cite them other than as "work in | |||
| progress." | progress." | |||
| The list of current Internet-Drafts can be accessed at | The list of current Internet-Drafts can be accessed at | |||
| http://www.ietf.org/1id-abstracts.html | http://www.ietf.org/1id-abstracts.html | |||
| The list of Internet-Draft Shadow Directories can be accessed at | The list of Internet-Draft Shadow Directories can be accessed at | |||
| http://www.ietf.org/shadow.html | http://www.ietf.org/shadow.html | |||
| Abstract | Abstract | |||
| skipping to change at page 2, line 48 ¶ | skipping to change at page 2, line 48 ¶ | |||
| 4.6.3. A LAN between E and its neighbors........................20 | 4.6.3. A LAN between E and its neighbors........................20 | |||
| 4.6.4. The LAN is a Transit Subnet..............................21 | 4.6.4. The LAN is a Transit Subnet..............................21 | |||
| 5. Failure Detection and Repair Path Activation.....................21 | 5. Failure Detection and Repair Path Activation.....................21 | |||
| 5.1. Failure Detection............................................21 | 5.1. Failure Detection............................................21 | |||
| 5.2. Repair Path Activation.......................................21 | 5.2. Repair Path Activation.......................................21 | |||
| 5.3. Node Failure Detection Mechanism.............................21 | 5.3. Node Failure Detection Mechanism.............................21 | |||
| 6. Loop Free Transition.............................................22 | 6. Loop Free Transition.............................................22 | |||
| 7. IPFRR Capability.................................................22 | 7. IPFRR Capability.................................................22 | |||
| 8. Enhancements to routing protocols................................23 | 8. Enhancements to routing protocols................................23 | |||
| 9. IANA considerations..............................................23 | 9. IANA considerations..............................................23 | |||
| 10. Security Considerations.........................................23 | 10. Security Considerations...............Error! Bookmark not defined. | |||
| Terminology | Terminology | |||
| This draft uses the terms defined in [FRMWK]. This section defines | This draft uses the terms defined in [FRMWK]. This section defines | |||
| additional words, acronyms, and actions used in this draft. | additional words, acronyms, and actions used in this draft. | |||
| Directed The ability of the repairing router (S) to | Directed The ability of the repairing router (S) to | |||
| forwarding specify the next hop (G) on exit from a | forwarding specify the next hop (G) on exit from a | |||
| tunnel end-point (F) | tunnel end-point (F) | |||
| skipping to change at page 23, line 36 ¶ | skipping to change at page 23, line 36 ¶ | |||
| o The ability to signal transition completion status to | o The ability to signal transition completion status to | |||
| neighbors. | neighbors. | |||
| o The ability to advertise that a link is protected. | o The ability to advertise that a link is protected. | |||
| Capability advertisement should make use of existing capability | Capability advertisement should make use of existing capability | |||
| mechanisms in the routing protocols. The exact set of enhancements | mechanisms in the routing protocols. The exact set of enhancements | |||
| will depend on specific IPFRR design choices. | will depend on specific IPFRR design choices. | |||
| 9. IANA considerations | 9. IANA Considerations | |||
| There are no IANA considerations that arise from this architectural | There are no IANA considerations that arise from this architectural | |||
| description of IPFRR. However there will be changes to the IGPs to | description of IPFRR. However there will be changes to the IGPs to | |||
| support IPFRR in which there will be IANA considerations. | support IPFRR in which there will be IANA considerations. | |||
| 10. Security Considerations | 10. Security Considerations | |||
| Changes to the IGPs to support IPFRR do not introduce any | Changes to the IGPs to support IPFRR do not introduce any | |||
| additional security risks. | additional security risks. | |||
| End of changes. 8 change blocks. | ||||
| 12 lines changed or deleted | 12 lines changed or added | |||
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