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Automated Group Keying for OSPFv3

Automated Group Keying for OSPFv3. liuya@huawei.com OSPF WG, IETF #67. Background. RFC4552 provides authentication/confidentiality to OSPFv3 using AH/ESP. Manual Keying is recommended as default keying method Scalability issue Security issue

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Automated Group Keying for OSPFv3

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  1. Automated Group Keying for OSPFv3 liuya@huawei.com OSPF WG, IETF #67

  2. Background • RFC4552 provides authentication/confidentiality to OSPFv3 using AH/ESP. • Manual Keying is recommended as default keying method • Scalability issue • Security issue • Standard GKM protocols have been defined by MSEC WG • It is feasible and necessary to define an automated group keying method for OSPFv3 using GKM protocols.

  3. Aspects to think about … • Flexibility • Sizes of OSPF domains vary greatly, the keying solution must fit in both small-, medium- and large-scale domains. • One router, different groups • A router’s interfaces may be assigned to different security groups. • Compatible with draft-ietf-msec-ipsec-extensions-01.txt • Extended IPsec architecture with support of IP multicast packets processing

  4. Keying Protocol Options • GDOI • New protocol needs to be defined for communications among GCKSes if distributed control model is used. • GSAKMP • New extensions and profiles need to be defined for GSAKMP, a powerful group keying framework.

  5. Thanks!

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