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The Whacky World of Wireless Leads to Antenna-Gate

By now, we are sure you are well aware of the challenges that Apple has experienced with their new iPhone 4 and the issues with the antenna. (If you've been living under a rock these past few weeks, you can catch up here .) This is not about whether Read More...

IEEE approves 40/100Gbps standard

With businesses and carriers discovering the benefits of MetroEthernet solutions, it was on the radar to update the standards to enable Gigabit Ethernet throughput beyond the current 10Gbps standards. We report in our May Newsletter that 40/100 Gbps Ethernet Read More...

Google's Broadband Plans are 100 times faster

Google announced on its blog today that it plans to build out a series of experimental high-speed networks in select locations that will provide connectivity at speeds 100 times faster than today's typical user connectivity. This rapidly hit the blogsphere Read More...

Cox ends a successful LTE Trial

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Cox Communications has announced that it has successfully completed another 4G Long Term Evolution (LTE) trial in the Phoenix and San Diego areas. The tests were focused on delivering Read More...

PodSnacks: IEEE 802.11g (54 Mbps)

Today we'll continue our series looking at four of the transmission options for Wi-Fi wireless LANs by looking at IEEE 802.11g . This is the most commonly found Wi-Fi transmission rate today. As I prepared this snack for posting, I realized that Mark Read More...

PodSnacks: IEEE 802.11b (11 Mbps)

Today we'll begin a series looking at four of the transmission options for Wi-Fi wireless LANs. Our first options is IEEE 802.11b . Although this is an older form of Wi-Fi, it is still broadly found in public hot spots. With its upper speed of 11 Read More...

PodSnacks: Remote Call Forwarding (RCF)

Back to voice, and today we talk about a service that I recently had develop material on so I could add it to a course I'm preparing. So you might as well get the benefit of some of my work. The topic is remote call forwarding (RCF), and I'll Read More...

PodSnacks: Fault, Configuration, Accounting, Performance, and Security (FCAPS) Management

And now for something completely different! Our topic today is network management. Managing a network, especially a large one, is a complex activity. It can, however, be thought of as a collection of five basic management domains, which can be described Read More...

PodSnacks: Local Loop

Today we shift to the world of the voice and talk about a component of the PSTN that has changed significantly since the days of Bell and Watson: the local loop . I don't have a lot of time to write more, so if you're interested, give a listen Read More...

PodSnacks: Internet Service Provider (ISP)

Since we've been talking about various Internet -related concepts, and since this question came up in my class last week, I thought I'd tackle the term Internet service provider (ISP). Most of us probably know what this is and, if we don't, Read More...

PodSnacks: Primary Rate Interface (PRI)

The other day, Peter gave us the low-down on the Basic Rate Interface (BRI). This is only one of two ISDN interface options. The other one is the Primary Rate Interface (PRI). In North America, the PRI is provisioned over a T-1 . Like the BRI, the PRI Read More...

PodSnacks: Bridge Protocol Data Unit (BPDU)

The other day we talked about local area networks (LAN), and that brought to mind a little protocol we often find in LANs where we have multiple switches arranged in a redundant configuration. We call it the Spanning Tree Protocol (STP) , or more recently Read More...

PodSnacks: Basic Rate Interface (BRI)

You know, these PodSnacks are something like a stream of consciousness. Our recent discussion of PPP included some references to ISDN , so I thought it might be a good idea to take a look at the two ISDN interface options. For that, we're going to Read More...

PodSnacks: Local Area Network (LAN)

Today we shift to a discussion I can't believe we haven't already had. We're going to talk about the lowly local area network (LAN) , which has seen a significant amount of evolution since my early days in networking! As always, you can listen Read More...

PodSnacks: Bonding vs. Multi-Link PPP

Today, we wrap up the PPP -related series with a brief look at the Multi-Link Point-to-Point Protocol (MLPPP) and how it compares to the concept of ISDN bonding. In a nutshell, the former is a version of inverse multiplexing in which multiple lower-speed Read More...
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