Backplane Interface Adapter with Error Control
First Claim
1. An administrative module for use in a digital switch, wherein the digital switch includes a plurality of blades coupled to a switching fabric, and wherein each blade outputs serial data streams with in-band control information in multiple stripes to said switching fabric, said administrative module comprising:
- a level monitor that monitors the data received at a receiving blade; and
a stripe synchronization error detector that detects a stripe synchronization error based on the amount of data monitored by said level monitor.
3 Assignments
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Accused Products
Abstract
A backplane interface adapter with error control and redundant fabric for a high-performance network switch. The error control may be provided by an administrative module that includes a level monitor, a stripe synchronization error detector, a flow controller, and a control character presence tracker. The redundant fabric transceiver of the backplane interface adapter improves the adapter'"'"'s ability to properly and consistently receive narrow input cells carrying packets of data and output wide striped cells to a switching fabric.
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Citations
10 Claims
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1. An administrative module for use in a digital switch, wherein the digital switch includes a plurality of blades coupled to a switching fabric, and wherein each blade outputs serial data streams with in-band control information in multiple stripes to said switching fabric, said administrative module comprising:
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a level monitor that monitors the data received at a receiving blade; and a stripe synchronization error detector that detects a stripe synchronization error based on the amount of data monitored by said level monitor. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for detecting stripe synchronization error in a network switch, comprising:
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(a) sorting data received at a receiving slot based on stripe and source information; (b) storing the sorted data in a set of data structures; (c) monitoring the levels of data stored in each data structure; and (d) detecting at least one of an overflow and underflow condition in the amount of data received on a respective stripe from a particular source. - View Dependent Claims (8, 9)
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10-24. -24. (canceled)
Specification