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Internet of Things Designline
posted in November 2002
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Programming DSPs in High-Level Languages
Design How-To  
11/5/2002   Post a comment
To make DSP software maintainable, reusable, and portable, you have to write the code in a high-level language, usual in C or a language based on C. This article from Associated Compiler Experts (ACE) suggests that the solution is to use one of several variants of the C language, along with advanced simulation tools and compilers.
A Beam Deflecting System For Holographic Storage Fast Data Reading
Design How-To  
11/5/2002   Post a comment
In this article, Renaud Kiefer and associates describe a compact addressing system for memory reading which combines micro-mirrors (or optical MEMS: microelectromechanical systems), acousto-optics, and gratings. MEMS are more convenient for this application than scanners such as galvanometric, oscillatory, or polygon mirrors due to the large mechanical deflection angles and high level of integration achievable with MEMS devices.
Connector makers travel hard road
News & Analysis  
11/4/2002   Post a comment
Combining hard code speed with software flexibility
Design How-To  
11/1/2002   Post a comment
In the design of our traffic management coprocessor, which uses OC-192 techniques to satisfy the requirements of the lower performance but multiservice OC-48 market, one of our key challenges was to provide both performance and flexibility to meet the wider range of needs of router and switch makers there.
Hybrid programming best for CPE net processor designs
Design How-To  
11/1/2002   Post a comment
Developers of broadband customer premises equipment (CPE) applications face the challenge of balancing a set of conflicting requirements: performance, value-added features, product cost, time to market and processor headroom for future growth.
Optimized system development tools needed for programmable net processors
Design How-To  
11/1/2002   Post a comment
With the ever-increasing demand for higher bandwidth and data rates throughout the networking world, many silicon vendors are developing highly programmable network processing solutions of various configurations.
How Java can support differentiated network services
Design How-To  
11/1/2002   Post a comment
Due to economic slowdowns, network carriers are waiting for demand to recover before they replace or expand aging network infrastructure equipment.
Databases key to efficient NPU routing classification
Design How-To  
11/1/2002   Post a comment
To help differentiate themselves in today's highly competitive marketplace, service carriers are adding multiple levels of service.
Simplicity reigns in NPU programming
News & Analysis  
11/1/2002   Post a comment
The frequent changes to the communication standards and the growing demand for quality-of-service support has created the need for programmable networking devices that can replace traditional field-programmable gate arrays in implementing high bit-rate data-path networking functionality.
How to optimize programmability and speed in network processor design
News & Analysis  
11/1/2002   Post a comment
The relationship between NPU software and the underlying hardware is critical because of the need for deterministic processing results, even at very high speeds and regardless of peaks or spikes in traffic flow.
Tunneling solves IP traffic snarls
News & Analysis  
11/1/2002   Post a comment
Existing networks, as well as the emerging multiprotocol label switching, or MPLS, types, use traditional and well-understood Ethernet, PPP (Layer 2) and IPv4 (Layer 3) addressing protocols.
Flexible NPU achieves wire speed
News & Analysis  
11/1/2002   Post a comment
In the evolving marketplace for network-processing semiconductors, the conflicting demands designers tackle have never been more evident.
Net design needs standard models
News & Analysis  
11/1/2002   Post a comment
While most embedded-networking designers would agree on the intended benefits of network processors (NPs), there has been no such agreement on how they should be programmed.
Modules ease programming task
News & Analysis  
11/1/2002   Post a comment
Although the new generation of software-programmable network processors offers both flexibility and performance, its programming is quite involved.
Advanced Displays Bring Mobiles to Life
Design How-To  
11/1/2002   Post a comment
Efficient, high-contrast organic and polymer LEDs, along with flexible plastic displays, are readying a coup that could spell the demise of the humble LCD.
Implementing Effective Provider-Provisioned VPNs
Design How-To  
11/1/2002   Post a comment
If done correctly, PP-VPNs have the potential to greatly simplify an enterprise network-and to open new revenue streams for carriers.
Understanding Wireless LAN Performance Trade-Offs
Design How-To  
11/1/2002   Post a comment
A close look at the mathematics of signal propagation can dispel much of the misinformation concerning 2.45- vs. 5-GHz WLANs.
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