In Signal Chain Basics #24, we covered basic networking using the IEEE 802.15.4 PHY/MAC Protocol. We started simple, identifying the fundamentals of the IEEE 802.15.4 PHY and MAC layers. Now I would ...

In an ideal Internet all packets would be treated as equal by the Internet Service Providers (ISP) and backbone operators who transport them across cyberspace. Unfortunately, this is not always the ...

Sensor networks are highly distributed networks of small, lightweight wireless nodes, deployed in large numbers to monitor the environment or system by the measurement of physical parameters such as ...

Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems. So far, we've talked about the tangibles of your ...

Blueprint topics covered in this chapter: This chapter covers the following subtopics from the Cisco CCIE Routing and Switching written exam blueprint. Refer to the full blueprint in Table I-1 in the ...

Routing protocols have far-reaching effects on the performance and reliability of your network, but sorting out the differences between them can be a challenge. Choose the best one for your network by ...

Network protocols are formal standards and policies consisting of rules, procedures, and formats that define how data is exchanged over networks. They ensure that devices can communicate effectively, ...

Not long after you begin to work in computing, the truth of Murphy’s Law — “What can go wrong, will” — becomes apparent. As you move on to networking, you realize the reality of Murphy’s Law of ...