FPGA Tutorial: Free 'Insider's Guide' (2009 Edition)
Altera? Xilinx? FPGA boards or design tools as from Altium or Mentor Graphics? What do users and newbies think about new FPGA technologies? Find out in our free tutorial on FPGAs, tools, and boards.

Mocana NanoSSH - Embedded SSH Client and Server

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Insiders' Guide: Embedded Boards and Systems
Choosing an embedded board, system, or service provider can be confusing. This guide overviews the ecosystem, has survey result from real users of embedded boards, and has interviews with leading vendors on topics like PC/104, EPIC, EBX, AdvancedTCA, CompactPCI, etc., as well as FPGA-based boards, choosing a board provider and other key issues.
preview: http://www.eg3.com  

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5 Days to Industrial Ethernet
If you're putting Ethernet in your factory, there are some very important things you need to consider before you get started. • Criteria for selecting cables, hubs, switches and network cards. • Important facts about system layout. • Questions you should always ask your vendors about application layer protocols. • Security issues and best practices for maintaining a healthy system over the long haul.
preview: http://www.ctrlink.com  

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Ethernet Networking Tutorial From Lantronix
As organizations rely more and more on the Internet, electronic mail and other networked applications, it is becoming increasingly important to understand the latest networking technology. Ethernet Tutorial Part I: Networking Basics Ethernet Tutorial Part II: Adding Speed Ethernet Tutorial Part III: Sharing Devices Fast Ethernet Tutorial Device Servers Tutorial Switching Tutorial
preview: http://www.lantronix.com  

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Industrial Ethernet University
The purpose of the university is to educate the public on the benefits of deploying Industrial Ethernet in a variety of solutions for applications. Understanding Industrial Ethernet technology can become a confusing process and the university has structural course work where a student can learn at his/her own pace.
preview: http://www.industrialethernetuniversity.com  

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Internetworking Technology Handbook
* Internetworking Basics * Introduction to LAN Protocols * Introduction to WAN Technologies * Bridging Basics * Routing Basics * Network Management Basics * Ethernet * etc.
preview: http://www.cisco.com