Better WAN performance? It takes more than bandwidth

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How do businesses stay competitive today? With all the traffic from cloud and mobile computing, and real-time apps demanding greater performance, they need supercharged WANs. And to help support these monster bandwidth requirements without breaking the bank, they’re combining private, high-quality multiprotocol label switching (MPLS) connections with high-speed, lower-cost public internet connections.

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The Beginning of the End of the Shortage

Article | August 9, 2021

Since my last blog post warning about those who were predicting a "new paradigm" of shortage in the semiconductor industry, the media have been shouting about the "chip crisis" alongside the typical daily news diet of disaster and calamity that we have come to expect in the time of COVID. The chip shortage coverage helped create a sense of national anxiety that we were all too reliant on China for semiconductors and, in general, that semiconductor supply was dwindling. The predictable response from governments around the world was to announce plans to stimulate their respective domestic semiconductor manufacturers into expanding chip production capacity. Fast forward a few months, and we are now finally seeing some light at the end of the chip shortage tunnel. Yet, in the wake of all the proclamations and commitments about investing in new chip capacity, we also now see manufacturers going forward with actually starting to build new plants that won't come online for another couple of years. The result, as I said in my last post: overcapacity.

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5G Challenges: Exploring the Biggest Challenges for 5G Deployment

Article | August 9, 2021

5G promises exciting advances for communications service providers (CSPs), but the 5G rollout is going to be challenging. CSPs must rapidly build out dense, low-latency edge networks in ways that are affordable, secure, and easily maintainable. CSPs are looking toward open-source, container-based network infrastructures that meet the 5G latency, reliability, and flexibility requirements while being inexpensive to deploy and maintain.

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Constant connectivity in an SD-WAN network

Article | August 9, 2021

The Software Defined Wide Area Networks (SD-WAN) market is rapidly expanding. According to a recent report by MarketsandMarkets, the global SD-WAN market size is expected to grow from US$1 billion in 2018 to US$4.1 billion by 2023, at a Compound Annual Growth Rate (CAGR) of 32.7% during the forecast period. Alan Stewart–Brown, VP of EMEA at Opengear, says , SD-WAN has rapidly become the standard in enterprise deployments. An SD-WAN network can manage multiple types of connections, from LTE to broadband to multiprotocol label switching (MPLS) links.

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How 4G and 5G networks are vulnerable to Denial-of-Service attacks

Article | August 9, 2021

Mobile operators are racing to upgrade their networks with 5G connectivity while at the same time expanding 4G LTE coverage throughout the world. Though the latest generations of cellular technology offer faster performance and other benefits over their predecessors, they're vulnerable to some of the same security flaws. A report released Thursday by Positive Technologies explains how and why existing 4G and new 5G networks can be hurt by Denial-of-Service (DOS) attacks in particular. For its report "Security Assessment of Diameter Networks 2020," Positive Technologies simulated external attacks against 28 telecom operators in Europe, Asia, Africa, and South America during 2018 and 2019. Specifically, the company looked at 4G and 5G networks using Diameter signaling protocol, a method for coordinating data among different Internet Protocol (IP) network elements.

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