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1. 发明申请

WO2005067430A3 LIGHTWEIGHT INPUT/OUTPUT PROTOCOL 审中-公开
标题翻译：轻便输入/输出协议
公开(公告)号：WO2005067430A3
公开(公告)日：2008-04-24
申请号：PCT/US2004024026
申请日：2004-07-26
申请人： MICROSOFT CORP , MOHAMED AHMED H , VOELLM ANTHONY F
发明人： MOHAMED AHMED H , VOELLM ANTHONY F
IPC分类号： G06F15/16 , G06F20060101 , G06F3/00 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/17
CPC分类号： H04L67/1097 , H04L69/10 , H04L69/26
摘要： A method and system for offloading I/O processing from a first computer (Fig. 1, 101) to.a second computer (121), using RDMA- capable network interconnects, are disclosed. The method and system include a client (103) on the first computer (101) communicating over an RDMA connection (117) to a server (123) on the second computer (121) by way of a lightweight input/output (LWIO) protocol. The protocol generally comprises a network discovery phase followed by an I/O processing phase. During the discovery phase, the client (103) and server (123) determine a minimal list of shared RDMA-capable providers. During the I/O processing phase, the client (103) posts I/O requests for offloading to the second machine (121) over a mutually-authenticated RDMA channel (117). The I/O model is asymmetric, with read operations being implemented using RDMA and write operations being implemented using normal sends. Read and write requests may be completed in polling mode and in interrupt mode. Buffers are managed by way of a credit mechanism.
摘要翻译：公开了一种使用RDMA能力的网络互连将I / O处理从第一计算机（图1,101）卸载到第二计算机（121）的方法和系统。该方法和系统包括通过轻量级输入/输出（LWIO）协议在第一计算机（101）上通过RDMA连接（117）与第二计算机（121）上的服务器（123）通信的客户端（103）。该协议通常包括网络发现阶段，随后是I / O处理阶段。在发现阶段，客户端（103）和服务器（123）确定共享的具有RDMA能力的提供者的最小列表。在I / O处理阶段期间，客户端（103）通过相互认证的RDMA通道（117）将卸载I / O请求卸载到第二机器121。 I / O模型是不对称的，其中使用RDMA实现读操作，并且使用正常发送来实现写操作。读写请求可以在轮询模式和中断模式下完成。缓冲区通过信用机制进行管理。

2. 发明专利

AU2004279182A1 Lightweight input/output protocol 未知
公开(公告)号：AU2004279182A1
公开(公告)日：2005-07-14
申请号：AU2004279182
申请日：2004-07-26
申请人： MICROSOFT CORP
发明人： VOELLM ANTHONY F , MOHAMED AHMED H
IPC分类号： G06F20060101 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/16 , G06F15/17
摘要： A method and system for offloading I/O processing from a first computer to a second computer, using RDMA-capable network interconnects, are disclosed. The method and system include a client on the first computer communicating over an RDMA connection to a server on the second computer by way of a lightweight input/output (LWIO) protocol. The protocol generally comprises a network discovery phase followed by an I/O processing phase. During the discovery phase, the client and server determine a minimal list of shared RDMA-capable providers. During the I/O processing phase, the client posts I/O requests for offloading to the second machine over a mutually-authenticated RDMA channel. The I/O model is asymmetric, with read operations being implemented using RDMA and write operations being implemented using normal sends. Read and write requests may be completed in polling mode and in interrupt mode. Buffers are managed by way of a credit mechanism.

3. 发明公开

EP1700264A4 LIGHTWEIGHT INPUT/OUTPUT PROTOCOL 审中-公开
标题翻译：光输入/输出协议
公开(公告)号：EP1700264A4
公开(公告)日：2011-06-15
申请号：EP04779200
申请日：2004-07-26
申请人： MICROSOFT CORP
发明人： MOHAMED AHMED H , VOELLM ANTHONY F
IPC分类号： G06F15/16 , G06F20060101 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/17 , H04L29/06
CPC分类号： H04L67/1097 , H04L69/10 , H04L69/26

4. 发明专利

ZA200503161B Lightweight input/output protocol 未知
公开(公告)号：ZA200503161B
公开(公告)日：2008-01-30
申请号：ZA200503161
申请日：2004-07-26
申请人： MICROSOFT CORP
发明人： MOHAMED AHMED H , VOELLM ANTHONY F
IPC分类号： G06F20090101 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/16 , G06F15/17
摘要： A method and system for offloading I/O processing from a first computer to a second computer, using RDMA-capable network interconnects, are disclosed. The method and system include a client on the first computer communicating over an RDMA connection to a server on the second computer by way of a lightweight input/output (LWIO) protocol. The protocol generally comprises a network discovery phase followed by an I/O processing phase. During the discovery phase, the client and server determine a minimal list of shared RDMA-capable providers. During the I/O processing phase, the client posts I/O requests for offloading to the second machine over a mutually-authenticated RDMA channel. The I/O model is asymmetric, with read operations being implemented using RDMA and write operations being implemented using normal sends. Read and write requests may be completed in polling mode and in interrupt mode. Buffers are managed by way of a credit mechanism.

5. 发明专利

CA2501521A1 LIGHTWEIGHT INPUT/OUTPUT PROTOCOL 未知
公开(公告)号：CA2501521A1
公开(公告)日：2005-06-30
申请号：CA2501521
申请日：2004-07-26
申请人： MICROSOFT CORP
发明人： VOELLM ANTHONY F , MOHAMED AHMED H
IPC分类号： G06F20060101 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/16 , G06F15/17
摘要： A method and system for offloading I/O processing from a first computer to a second computer, using RDMA-capable network interconnects, are disclosed. Th e method and system include a client on the first computer communicating over an RDMA connection to a server on the second computer by way of a lightweight input/output (LWI O) protocol. The protocol generally comprises a network discovery phase followed by an UO processing phase. During the discovery phase, the client and server determine a minimal list of shared RDMA-capable providers. During the I/O processing phase, the client posts I/ O requests for offloading to the second machine over a mutually-authenticated RDMA channel. The I/O model is asymmetric, with read operations being implemented using RDMA a nd write operations being implemented using normal sends. Read and write requests may be completed in polling mode and in interrupt mode. Buffers are managed by way of a credit mechanism.

6. 发明专利

NO20052054L 未知
公开(公告)号：NO20052054L
公开(公告)日：2005-06-10
申请号：NO20052054
申请日：2005-04-26
申请人： MICROSOFT CORP
发明人： VOELLM ANTHONY F , MOHAMED AHMED H
IPC分类号： G06F20060101 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/16 , G06F15/17
摘要： A method and system for offloading I/O processing from a first computer to a second computer, using RDMA-capable network interconnects, are disclosed. The method and system include a client on the first computer communicating over an RDMA connection to a server on the second computer by way of a lightweight input/output (LWIO) protocol. The protocol generally comprises a network discovery phase followed by an I/O processing phase. During the discovery phase, the client and server determine a minimal list of shared RDMA-capable providers. During the I/O processing phase, the client posts I/O requests for offloading to the second machine over a mutually-authenticated RDMA channel. The I/O model is asymmetric, with read operations being implemented using RDMA and write operations being implemented using normal sends. Read and write requests may be completed in polling mode and in interrupt mode. Buffers are managed by way of a credit mechanism.

7. 发明专利

MY143575A LIGHTWEIGHT INPUT/OUTPUT PROTOCOL 未知
公开(公告)号：MY143575A
公开(公告)日：2011-05-31
申请号：MYPI20042851
申请日：2004-07-16
申请人： MICROSOFT CORP
发明人： MOHAMED AHMED H , VOELLM ANTHONY F
IPC分类号： G06F3/00 , G06F20060101 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/16 , G06F15/17
摘要： A METHOD AND SYSTEM FOR OFFLOADING I/O PROCESSING FROM A FIRST COMPUTER (101) TO A SECOND COMPUTER (121), USING RDMA-CAPABLE NETWORK INTERCONNECTS (111, 135), ARE DISCLOSED. THE METHOD AND SYSTEM INCLUDE A CLIENT (103) ON THE FIRST COMPUTER (101) COMMUNICATING OVER AN RDMA CONNECTION (117) TO A SERVER (123) ON THE SECOND COMPUTER (121) BY WAY OF A LIGHTWEIGHT INPUT/OUTPUT (LWIO) PROTOCOL. THE PROTOCOL GENERALLY COMPRISES A NETWORK DISCOVERY PHASE (201) FOLLOWED BY AN I/O PROCESSING PHASE (613). DURING THE DISCOVERY PHASE (201), THE CLIENT (103) AND SERVER (123) DETERMINE A MINIMAL LIST OF SHARED RDMA-CAPABLE PROVIDERS (213). DURING THE I/O PROCESSING PHASE (613), THE CLIENT (103) POSTS I/O REQUESTS (603) FOR OFFLOADING TO THE SECOND MACHINE (121) OVER A MUTUALLY-AUTHENTICATED RDMA CHANNEL (605). THE I/O MODEL IS ASYMMETRIC, WITH READ OPERATIONS BEING IMPLEMENTED USING RDMA (805) AND WRITE OPERATIONS BEING IMPLEMENTED USING NORMAL SENDS (803,811). READ AND WRITE REQUESTS MAY BE COMPLETED IN POLLING MODE (805) AND IN INTERRUPT MODE (807). BUFFERS (107, 127) ARE MANAGED BY WAY OF A CREDIT MECHANISM (1011, 1019, AND 1033). FIGURE 6A

8. 发明专利

NZ580159A Lightweight input/output protocol 未知
公开(公告)号：NZ580159A
公开(公告)日：2011-01-28
申请号：NZ58015904
申请日：2004-07-26
申请人： MICROSOFT CORP
发明人： MOHAMED AHMED H , VOELLM ANTHONY F
IPC分类号： G06F12/00 , G06F20060101 , G06F9/50 , G06F13/00 , G06F13/20 , G06F13/28 , G06F15/16 , G06F15/17 , G06F15/173 , H04L29/08
摘要： A method for managing buffers in an input/output offload protocol comprises a server sending a delta credit message to a client. The delta credit message includes an information field set to a number of credits. If the number of credits is a negative number -N, the server requires the client to retire N credits. If the number of credits is a negative number -N, the client sends N credit messages to the server and otherwise the client sends one credit message to the server. For each credit message sent by the client, the server sends a status response message to the client. (62) Divided Out of 540173

9. 发明专利

NO20052054A 未知
公开(公告)号：NO20052054A
公开(公告)日：2005-06-10
申请号：NO20052054
申请日：2005-04-26
申请人： MICROSOFT CORP
发明人： VOELLM ANTHONY F , MOHAMED AHMED H
IPC分类号： G06F20060101 , G06F12/00 , G06F13/00 , G06F13/28 , G06F15/16 , G06F15/17
CPC分类号： H04L67/1097 , H04L69/10 , H04L69/26

10. 发明专利

MY158076A LIGHTWEIGHT INPUT/OUTPUT PROTOCOL 未知
公开(公告)号：MY158076A
公开(公告)日：2016-08-30
申请号：MYPI20084350
申请日：2004-07-16
申请人： MICROSOFT CORP
发明人： MOHAMED AHMED H , VOELLM ANTHONY F
IPC分类号： G06F12/00 , G06F20060101 , G06F13/00 , G06F13/28 , G06F15/16 , G06F15/17 , H04L29/06
摘要： A METHOD AND SYSTEM FOR OFFLOADING I/O PROCESSING FROM A FIRST COMPUTER TO A SECOND COMPUTER, USING RDMA-CAPABLE NETWORK INTERCONNECTS, ARE DISCLOSED. THE METHOD AND SYSTEM INCLUDE A CLIENT (103) ON THE FIRST COMPUTER COMMUNICATING OVER AN RDMA CONNECTION TO A SERVER (123) ON THE SECOND COMPUTER BY WAY OF A LIGHTWEIGHT INPUT/OUTPUT (LWIO) PROTOCOL. THE PROTOCOL GENERALLY COMPRISES A NETWORK DISCOVERY PHASE FOLLOWED BY AN I/O PROCESSING PHASE. DURING THE DISCOVERY PHASE, THE CLIENT AND SERVER DETERMINE A MINIMAL LIST OF SHARED RDMA-CAPABLE PROVIDERS. DURING THE I/O PROCESSING PHASE, THE CLIENT (103) POSTS I/O REQUESTS FOR OFFLOADING TO THE SECOND MACHINE OVER A MUTUALLY-AUTHENTICATED RDMA CHANNEL. THE I/O MODEL IS ASYMMETRIC, WITH READ OPERATIONS BEING IMPLEMENTED USING RDMA AND WRITE OPERATIONS BEING IMPLEMENTED USING NORMAL SENDS. READ AND WRITE REQUESTS MAY BE COMPLETED IN POLLING MODE AND IN INTERRUPT MODE. BUFFERS ARE MANAGED BY WAY OF A CREDIT (1713) MECHANISM. FIGURE 1.

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