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MPA update (-00) ( Marker PDU Aligned Framing for TCP) draft-ietf-rddp-mpa-00 Paul R. Culley HP 11-11-2003
Draft-ietf-rddp-mpa-00 ,[object Object],[object Object],[object Object]
Changes ,[object Object],[object Object],[object Object],[object Object]
Issues ,[object Object],[object Object],[object Object],[object Object]
Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Issues ,[object Object],[object Object],[object Object]
Minor Issues ,[object Object],[object Object],[object Object],[object Object],[object Object]
IWarp Startup sequence* Initiator ULP says “Are you OK with going to iWARP?” in streaming mode This message is optional! ULP gets message; enables MPA in “Responder” mode and sends optional last streaming  “Yes, I'm in iWARP now”, message. MPA waits for incoming  <MPA Request Frame> ULP gets message; enables MPA in “Initiator” mode. MPA sends “MPA Request Frame” and waits for the “MPA Reply Frame” Responder MPA gets MPA Reply Frame, Consumer binds MPA to DDP, MPA and DDP go into full operation. First iWARP message sent by RNIC (When WQE is posted) MPA gets MPA Request Frame, Consumer binds MPA to DDP, MPA sends MPA Reply Frame, FPDU decoding enabled. MPA gets first FPDU; Goes into Full iWARP mode. First iWARP message sent by RNIC (When WQE is posted) * No private data interactions shown
IWarp Startup sequence with TCP MPA gets MPA Reply Frame, passes “private data” to consumer, Consumer binds MPA to DDP, MPA and DDP go into full operation. First iWARP message sent by RNIC (When WQE is posted) Initiator TCP SYN sent TCP to “Established”, Consumer enables MPA in responder mode, MPA waits for incoming  <MPA Request Frame> As TCP enters “established”, Consumer enables MPA in “Initiator” mode. MPA sends “MPA Request Frame” with “private data” and waits for the “MPA Reply Frame” Responder MPA gets MPA Request Frame, passes “private data” to consumer, Consumer binds MPA to DDP, MPA sends MPA Reply Frame, FPDU decoding enabled. MPA gets first FPDU; Goes into Full iWARP mode. First iWARP message sent by RNIC (When WQE is posted) TCP gets SYN Sends SYN-Ack TCP gets SYN-Ack Sends Ack Note Note: The Ack may be in the same segment as the MPA Request Frame in some implementations!
MPA Request Frame ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Key (“MPA ID Req Frame”) 16 bytes M 1b C 1b Res(0) 6b Rev (0) 8b PD_Length 16b Private Data “PD_Length” bytes
MPA Response Frame ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Key (“MPA ID Rep Frame”) 16 bytes M 1b C 1b Res(0) 6b Rev (0) 8b PD_Length 16b Private Data “PD_Length” bytes
Faq ,[object Object],[object Object],[object Object],[object Object],[object Object]
Faq ,[object Object],[object Object]
Faq ,[object Object],[object Object],[object Object],[object Object],[object Object]
End

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六合彩 » SlideShare

  • 1. MPA update (-00) ( Marker PDU Aligned Framing for TCP) draft-ietf-rddp-mpa-00 Paul R. Culley HP 11-11-2003
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. IWarp Startup sequence* Initiator ULP says “Are you OK with going to iWARP?” in streaming mode This message is optional! ULP gets message; enables MPA in “Responder” mode and sends optional last streaming “Yes, I'm in iWARP now”, message. MPA waits for incoming <MPA Request Frame> ULP gets message; enables MPA in “Initiator” mode. MPA sends “MPA Request Frame” and waits for the “MPA Reply Frame” Responder MPA gets MPA Reply Frame, Consumer binds MPA to DDP, MPA and DDP go into full operation. First iWARP message sent by RNIC (When WQE is posted) MPA gets MPA Request Frame, Consumer binds MPA to DDP, MPA sends MPA Reply Frame, FPDU decoding enabled. MPA gets first FPDU; Goes into Full iWARP mode. First iWARP message sent by RNIC (When WQE is posted) * No private data interactions shown
  • 9. IWarp Startup sequence with TCP MPA gets MPA Reply Frame, passes “private data” to consumer, Consumer binds MPA to DDP, MPA and DDP go into full operation. First iWARP message sent by RNIC (When WQE is posted) Initiator TCP SYN sent TCP to “Established”, Consumer enables MPA in responder mode, MPA waits for incoming <MPA Request Frame> As TCP enters “established”, Consumer enables MPA in “Initiator” mode. MPA sends “MPA Request Frame” with “private data” and waits for the “MPA Reply Frame” Responder MPA gets MPA Request Frame, passes “private data” to consumer, Consumer binds MPA to DDP, MPA sends MPA Reply Frame, FPDU decoding enabled. MPA gets first FPDU; Goes into Full iWARP mode. First iWARP message sent by RNIC (When WQE is posted) TCP gets SYN Sends SYN-Ack TCP gets SYN-Ack Sends Ack Note Note: The Ack may be in the same segment as the MPA Request Frame in some implementations!
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15. End

Hinweis der Redaktion

  1. Marker (Protocol Data Unit) Aligned Framing, or MPA.