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The United Nations finding that mobile broadband subscriptions are surging in developing countries, reported by The New York Times on Sept. 26, is no surprise. Equally unsurprising, the growing number of users, density of users and increasing bandwidth needs of applications likely are continuing to strain existing wireless networks and per-user bandwidths not only in developing countries but worldwide.

But rising pressure on bandwidth, coupled with increasingly data-intensive applications, isn’t the whole story. Minimizing end-to-end latency – from user to network base station and back again – is crucial in enabling banking, e-commerce, enterprise and other important business applications. Why? The greater the latency, the more likely visitors are to lose interest if the responsiveness of the website is sluggish. A connection may have plenty of throughput over a period of time, but response time determines the user experience.

The bandwidth-per-user and end-to-end network latency constraints are bound to drive changes both to the front haul and backhaul access networks. LTE and WiFi seem to be clear winners for the front haul network (replacing wired LAN technologies). On the backhaul, given the capacity needs, wired and wireless networks are bound to converge but will likely offer many options that will continue to co-exist like LTE, Fiber, Cable, xDSL and Microwave.

For our part, LSI has deep experience building mission-critical networks for service providers and datacenters – an expertise that has been brought to bear on the development of LSI® Axxia® networking solutions. These smart chips help solve the latency problem by enabling reliable, deterministic network performance to, ultimately, quicken response times and improve the user experience.

And that, after all, is just what network providers and users are after as mobile devices continue to support more applications and rising performance expectations worldwide.

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