Invention Grant
- Patent Title: Method and system for managing traffic in fibre channel systems
- Patent Title (中): 管理光纤通道系统流量的方法和系统
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Application No.: US12189497Application Date: 2008-08-11
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Publication No.: US07649903B2Publication Date: 2010-01-19
- Inventor: Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G Kohlwey , Mark A. Owen
- Applicant: Frank R. Dropps , Craig M. Verba , Gary M. Papenfuss , Ernest G Kohlwey , Mark A. Owen
- Applicant Address: US CA Aliso Viejo
- Assignee: QLOGIC, Corporation
- Current Assignee: QLOGIC, Corporation
- Current Assignee Address: US CA Aliso Viejo
- Agency: Klein, O'Neill & Singh, LLP
- Main IPC: H04L12/56
- IPC: H04L12/56

Abstract:
Method and system for routing fiber channel frames using a fiber channel switch element is provided. The method includes, inserting a time stamp value in a fiber channel frame that is received at a receive segment of the fibre channel switch element; determining if a timeout occurs after a frame arrives at a receive buffer; and processing the frame if the timeout occurred. The method also includes, determining if a delta time value, which provides an accumulated wait time for a frame, is present in frame data; subtracting the delta time stamp value from a global time stamp value and using the resulting time stamp value to determine frame timeout status in the fiber channel switch element. A timeout checker circuit declares a timeout after comparing a time stamp value that is inserted in a fiber channel frame with a programmed time out value and a global counter value.
Public/Granted literature
- US20090041029A1 METHOD AND SYSTEM FOR MANAGING TRAFFIC IN FIBRE CHANNEL SYSTEMS Public/Granted day:2009-02-12
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