cn8237 Mindspeed Technologies, cn8237 Datasheet - Page 35
cn8237
Manufacturer Part Number
cn8237
Description
Atm Oc-12 Servicesar Plus With Xbr Traffic Management
Manufacturer
Mindspeed Technologies
Datasheet
1.CN8237.pdf
(415 pages)
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28237-DSH-001-C
2.0 Architecture Overview
2.1 Introduction
The CN8237 ServiceSAR architecture efficiently handles high bandwidth
throughput across the spectrum of two different ATM Adaptation Layers (AAL0
and AAL5) and all ATM service categories. This chapter provides an overview of
this architecture.
section describes the segmentation and reassembly functions from within the
context of the queue structures. The third section covers the xBR Traffic
Manager. The remaining sections cover Operation and Maintenance and
Performance Monitoring (OAM PM), the various device inputs and outputs, and
the logic diagram with pin descriptions.
complete functionality of the CN8237.
2.2 High Performance Host Architecture with
Buffer Isolation
Once initialized and given a segmentation or reassembly task, the CN8237
operates autonomously. Because the CN8237 is a high performance subsystem,
the host/ServiceSAR architecture and the algorithms for task submission and
status reporting have been optimized to minimize the control burden on the host
system.
The first section describes the queue and data buffer system. The second
This architectural overview serves as a solid foundation for understanding the
Mindspeed Technologies
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