wimaxing 2008-6-28 18:57
RFC5040-A Remote Direct Memory Access Protocol Specification
【资料成文时间】： 2007
【语言】：英文
【页数】：66
【何人（公司）所著】：
【文件格式】： PDF
【文件原名】：A Remote Direct Memory Access Protocol Specification
【摘要或目录】：
Table of Contents
1. Introduction ....................................................4
1.1. Architectural Goals ........................................4
1.2. Protocol Overview ..........................................5
1.3. RDMAP Layering .............................................7
2. Glossary ........................................................8
2.1. General ....................................................8
2.2. LLP .......................................................10
2.3. Direct Data Placement (DDP) ...............................11
2.4. Remote Direct Memory Access (RDMA) ........................13
3. ULP and Transport Attributes ...................................15
3.1. Transport Requirements and Assumptions ....................15
3.2. RDMAP Interactions with the ULP ...........................16
4. Header Format ..................................................19
4.1. RDMAP Control and Invalidate STag Field ...................20
4.2. RDMA Message Definitions ..................................23
4.3. RDMA Write Header .........................................24
4.4. RDMA Read Request Header ..................................24
4.5. RDMA Read Response Header .................................26
4.6. Send Header and Send with Solicited Event Header ..........26
4.7. Send with Invalidate Header and Send with SE and
Invalidate Header .........................................26
4.8. Terminate Header ..........................................26
5. Data Transfer ..................................................32
5.1. RDMA Write Message ........................................32
5.2. RDMA Read Operation .......................................33
5.2.1. RDMA Read Request Message ..........................33
5.2.2. RDMA Read Response Message .........................35
5.3. Send Message Type .........................................36
5.4. Terminate Message .........................................37
5.5. Ordering and Completions ..................................38
6. RDMAP Stream Management ........................................41
6.1. Stream Initialization .....................................41
6.2. Stream Teardown ...........................................42
6.2.1. RDMAP Abortive Termination .........................43
7. RDMAP Error Management .........................................43
7.1. RDMAP Error Surfacing .....................................44
7.2. Errors Detected at the Remote Peer on Incoming
RDMA Messages .............................................45
8. Security Considerations ........................................46
8.1. Summary of RDMAP-Specific Security Requirements ...........46
8.1.1. RDMAP (RNIC) Requirements ..........................47
8.1.2. Privileged Resource Manager Requirements ...........48
8.2. Security Services for RDMAP ...............................49
8.2.1. Available Security Services ........................49
8.2.2. Requirements for IPsec Services for RDMAP ..........50
9. IANA Considerations ............................................51
10. References ....................................................52
10.1. Normative References .....................................52
10.2. Informative References ...................................53
Appendix A. DDP Segment Formats for RDMA Messages .................54
A.1. DDP Segment for RDMA Write ................................54
A.2. DDP Segment for RDMA Read Request .........................55
A.3. DDP Segment for RDMA Read Response ........................56
A.4. DDP Segment for Send and Send with Solicited Event ........56
A.5. DDP Segment for Send with Invalidate and Send with SE and
Invalidate ................................................57
A.6. DDP Segment for Terminate .................................58
Appendix B. Ordering and Completion Table .........................59
Appendix C. Contributors ..........................................61