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a new way to deliver IP connectivity July 28, 2020 face Vinicius Santos Advisor, Portfolio Solutions
User demands are changing. The next generation of mobile networks requires far more than capacity upgrades. Ciena’s Vinicius Santos explains why the associated IP networks must evolve to become more streamlined, adaptive, and cost-effective to facilitate your unique 4G to 5G journey.  The creation and development of mobile communications dramatically changed our daily personal and professional lives. Initially, it gave us simple mobile voice communications, Short Message Service (SMS), and Multimedia Message Service (MMS). Then just over a decade ago smartphones were introduced and they quickly become an essential part of how we interact with each other and machines. Now sensors, automation, and artificial intelligence are driving a new wave of applications, resulting in a unique technological inflection point that requires mobile technology and networks to evolve.
As a fundamental building block of the mobile infrastructure, IP connectivity is responsible for providing data services and communication between wireless air interfaces and wireline mobile network elements, such as switches, routers, and optical transport gear. As mobile use cases and applications evolve, how standards-based IP connectivity is implemented must also evolve. A new mobile era In the last couple of years, mobile applications have changed from being “nice to have” to an essential part of the way we do business, interact with each other, and make informed decisions. This has resulted in an ever-more demanding quality of experience. This is only going to become more challenging. The next wave of applications will be stricter in terms of network performance requirements. Autonomous vehicles, cloud-based gaming, extended reality (XR), and telehealth, to name just a few, create amazing business opportunities. But in order for them to be successfully commercialized there are significant technological challenges in the communication infrastructure that need to be addressed. This is especially true for mobile networks. 4G technology based on LTE, LTE Advanced, and LTE-Advanced Pro will be deployed alongside initial 5G Non-standalone (NSA) mode supporting enhanced Mobile Broadband (eMBB) use cases. The next phase of the mobile network evolution starting in 2021, with 5G Stand-Alone (SA) mode, will allow MNOs to offer more sophisticated use cases related to ultra-reliable Low-Latency Communications (urLLC), massive Machine-Type Communications (mMTC), as well as even higher performance eMBB services. 
Figure 1: 5G Will Drive New Revenue Opportunities In contrast with past implementations, new mobile infrastructure will be based on concepts such as an open, disaggregated RAN, standards-based fronthaul/midhaul transport networks, and a highly virtualized and disaggregated core network. Network slicing will be essential to better allocate physical and virtual resources across wireless and wireline domains for a much better experience for end-users, humans and machines, via highly differentiated performance profiles.
2020-09-23
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5G will require a new way to deliver IP connectivity 
