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Methods and apparatus for selectively transmitting frames in optical fiber channel structure

A Fibre Channel, selective technology, used in transmission systems, digital transmission systems, data exchange networks, etc., to solve problems such as disrupting network operations and halting network operations

Inactive Publication Date: 2010-06-23
CISCO TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, flushing all frames, either explicitly or implicitly, can severely disrupt the operation of the network, as too many frames are dropped, and the operation of the network is brought to a standstill, at least temporarily

Method used

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  • Methods and apparatus for selectively transmitting frames in optical fiber channel structure
  • Methods and apparatus for selectively transmitting frames in optical fiber channel structure
  • Methods and apparatus for selectively transmitting frames in optical fiber channel structure

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Embodiment Construction

[0028] Specific embodiments of the invention are described in detail below, including what the inventors believe to be the best mode for carrying out the invention. Examples of these specific embodiments are shown in the accompanying drawings. While the invention has been described in conjunction with specific embodiments, it will be understood that it is not intended to limit the invention to the described embodiments. On the contrary, it is intended to cover alternatives, modifications and equivalents if they may be included within the spirit and scope of the invention as defined by the appended claims.

[0029] The method and apparatus of the present invention provide well-ordered delivery of Fiber Channel frames. According to various embodiments, several network conditions may cause out-of-order delivery of frames to Fiber Channel devices. The techniques of the present invention provide for delaying, blocking, dropping, and / or tagging of certain Fiber Channel frames for ...

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PUM

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Abstract

Methods and apparatus are provided for improving fibre channel frame delivery. Techniques are provided for the in order delivery of frames by intelligently delaying or dropping selected fibre channel frames. Other techniques are provided for in order delivery by using label switching and frame labels. The various techniques can be applied during circumstances such as a link state or channel change.

Description

[0001] Cross References to Related Applications [0002] This application is related to U.S. Patent Application No. 10 / 114,394 (Attorney Docket No. ANDIP009), filed concurrently with Scott S. Lee and Dinesh G. Dutt, entitled "Label Switching In Fiber Channel Networks," which is hereby adopted in its entirety is included by reference for various purposes. technical field [0003] The present invention relates to Fiber Channel networks. More specifically, the present invention relates to methods and apparatus for providing in order delivery of Fiber Channel frames in a Fiber Channel network in the event of a link state change or a channel state change. Background technique [0004] Many conventional network protocols allow out-of-order delivery of sequences of packets. A network node in a TCP / IP-based network can receive an out-of-order set of packets and reorder the packets after receipt. If packets follow different paths to their destination, they often arrive out of ord...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L45/02H04L12/46H04L45/28
CPCH04L47/34H04L47/32H04L45/50H04L47/10H04L45/02H04L45/22H04L45/28
Inventor 毛里利奥·科梅托斯科特·S·李
Owner CISCO TECH INC