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IETF Liaison Report to T11

IETF Liaison Report to T11. David L. Black December 8, 2005. IETF Working Groups. IP Storage (ips) WG FCIP, iFCP, iSCSI, iSNS and related protocols MIBs for these protocols Internet and Management Support for Storage (imss) WG IP over Fibre Channel and Fibre Channel MIBs

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IETF Liaison Report to T11

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  1. IETF Liaison Report to T11 David L. Black December 8, 2005 05-850v0

  2. IETF Working Groups • IP Storage (ips) WG • FCIP, iFCP, iSCSI, iSNS and related protocols • MIBs for these protocols • Internet and Management Support for Storage (imss) WG • IP over Fibre Channel and Fibre Channel MIBs • Pseudo-wires end-to-end (pwe3) WG • Link-layer protocol encapsulation, primarily over MPLS. • Fibre Channel over Pseudo-wire • David Black is chair of the imss and ips WGs. 05-850v0

  3. Recent RFC Publications • The following RFCs were published in September 2005: • iSNS, RFC 4171 • iFCP, RFC 4172 • iSCSI Boot, RFC 4173 • DHC iSNS Option, RFC 4174 05-850v0

  4. IP Storage WG MIB Status • The IESG has approved two MIBs for RFC publication: iFCP and FCIP MIBs • MIB undergoing revision: SCSI MIB • MIB in Expert Review (MIB Doctor): iSCSI Authorization MIB • iSCSI MIB - waiting for Authorization MIB • iSNS MIB needs to be extensively revised • Including a significant reduction in scope 05-850v0

  5. Other IPS WG Work • Working group last call completed: • DA (Datamover Architecture for iSCSI). • iSER (iSCSI Extensions for RDMA) • Waiting for approval of underlying RDDP protocols • iSER terminology generalized to allow use of iSER over InfiniBand • Any actual InfiniBand standards work will be done in the InfiniBand Trade Association (IBTA) • iSCSI Implementers Guide • Capture experience from iSCSI implementations • Will be open for contributions well into 2006 05-850v0

  6. IMSS WG Status • The IESG has approved the IP over FC draft • Expedited RFC publication requested on behalf of T11 • SM-FAM and SM-NSM MIBs are in IETF Last Call • Ending December 12 and December 15 • Three MIBs in imss WG Last Call (ends December 19) • FSPF, Routing Information, Virtual Fabrics MIBs • T11.5 working on 3 more MIBs • RSCN, Fabric Configuration Server, Zone Server MIBs • FLIP (FAIS protocol) concept (draft-cummings-imss-flip-00.txt) • Discussed at November 2005 imss meeting in Vancouver • IETF netconf protocol appears to be a promising approach 05-850v0

  7. FC-SP Related Drafts • IKEv2 parameter values for FC-SP (draft-maino-fcsp-02.txt) • Approved by IESG for RFC publication • IANA has allocated values for FC-SP • FC-SP also needs RFC number for IKEv2 (coming soon) • AES-GCM for IPsec ESP: RFC 4106 • Combined encryption/integrity mode for AES • AES-GMAC for IPsec ESP (and AH) • GMAC is the MAC (integrity) portion of GCM • draft-mcgrew-aes-gmac-esp-01.txt, in IETF Last Call • Other news: Next secure hash for protocols - SHA-256 • Response to MD5 and SHA-1 collisions • Migration will be gradual (next several years) 05-850v0

  8. Fibre Channel over Pseudo-wire • draft-roth-pwe3-fc-encap-01.txt • FC traffic encapsulation in packets for MPLS • Expected to be approved as official pwe3 WG draft • Protocol will be joint IETF/FC-BB-4 work • Analogous to FCIP protocol (with FC-BB-3) • Open liaison issue: Congestion control • Fibre Channel has no (TCP-class) congestion control • This limits applicability of FC pseudo-wire • T11 may not be the best venue for specification of TCP-class congestion control • Alternatives: Specify congestion control in IETF or restrict FC pseudo-wire applicability to network environments that do not require congestion control 05-850v0

  9. Next IETF Meeting • The next IETF meeting will be held the week of March 19th in Dallas, TX • imss, ips and pwe3 WGs will meet • FC-SP related drafts: individual submissions • Not directly associated with any WG 05-850v0

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