Method and device for synchronizing port diagnostic information in fabric network
A diagnostic information and network synchronization technology, which is applied to multiplexing system selection devices, selection devices, data exchange networks, etc., can solve problems such as unclear message semantics, confusing message semantics, and complex protocol implementation. Achieve intuitive and efficient transmission, avoid message content confusion, and simplify protocol implementation
Active Publication Date: 2018-08-24
NEW H3C TECH CO LTD
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[0006] It can be seen that due to the need to comply with the relevant regulations of the RDP protocol, the ELS message and ILS message sent in both cases describe the specific request object in the form of a combination of the destination address in the message header and the FCID in the message body, but The ELS message exchanged between the FCF switch and the N Port node contains the ELS request feature, and the ILS message exchanged between the FCF switches contains the SW_ILS (the response message of the ILS message) request feature, which causes the message semantics to be easily confused: There is a big difference from the previous protocol style, and the semantics of the message are not clear
[0007] What's more serious is that when the FCF switch updates the port diagnostic information of all directly connected N Port nodes, the existing protocol does not have a perfect mechanism to actively notify other switches that the current port diagnostic information has changed, that is, there is no one A good method directly triggers the interaction using the messages defined by the RDP protocol, but other means such as RSCN (Registered State Change Notification, registration state change notification) need to be added to trigger the interaction process of the messages defined by the RDP protocol, resulting in the realization of the current protocol quite complicated
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[0022] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.
[0023] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...
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The invention discloses a method and apparatus for synchronizing port diagnosis information in a Fabric network. The method runs on a fiber channel forwarder (FCF) switch and comprises the following steps: when a first FCF switch updates local port diagnosis information, constructing customized first synchronization information or second synchronization information and sending the synchronization information to a second FCF switch, wherein the first synchronization information is used for notifying the second FCF switch to additionally add or modify port diagnosis information of N Port nodes, and the second synchronization information is used for notifying the second FCF switch to cancel the port diagnosis information of the N Port nodes. According to the invention, protocol realization can be simplified.
Description
technical field [0001] The present application relates to Fabric network technology, in particular to a method and device for fabric network synchronization port diagnosis information. Background technique [0002] FC (Fiber Channel, Fiber Channel) is the most widely used protocol in storage networks, and its purpose is to provide higher-speed and more efficient big data transmission performance than Ethernet and TCP / IP protocols. [0003] A switch supporting the FC protocol is called an FC switch, and an FC switch running core functions of the protocol is also called an FCF (FC Forwarder, Fiber Channel forwarding) switch. A storage network running the FC protocol consisting of FCF switches, storage devices, and servers is called a SAN network (Storage Area Network), also called a Fabric network. [0004] Storage devices and servers are called N Port nodes. N Port nodes need to go through a series of registration and authentication processes before they can access the Fabr...
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IPC IPC(8): H04Q11/00H04L12/24
Inventor 王珏
Owner NEW H3C TECH CO LTD