The tech industry loves to promote the next big trend, offering a window into opportunities and concerns that are on the horizon. One of the latest technology advances under the spotlight is the edge datacentre.
Edge is the trending prefix to computing and storage capacity for processing data closer to the source rather than in a centralised datacentre. This is especially beneficial for application workloads where latency is critical, as in the case of fast-acting decision-control facilities used in manufacturing.
Beyond reducing latency, edge computing can use advanced analytical processing served by artificial intelligence (AI) constructs such as machine learning. This allows for more sophisticated control and predictive insight closer to the point of application, where it offers the greatest value. Consequently, edge datacentres serve as small outposts located at the edge of the network, with lower power usage, providing edge computing processing capability.
Edge drivers are plenty
Operational drivers place a growing focus on more-distributed processing, storage and network management. This is because of the breadth of IT and communications advances that enable the rapid digitisation of industries and extend the reach and capacity for digital operations.
For example, several new capabilities benefit smart manufacturing, healthcare and retail systems. They draw from connected products and systems defined by the concept of the internet of things (IoT) which reside at, and extend, the edge of the operational network.
5G networks offer significantly lower latency, faster speeds and greater capacity for high-bandwidth systems at the network edge. Advances in network function virtualisation and software-defined networking support greater levels of software-driven operations, flexibility and connectivity. Such technologies play an important role in digitising the management of critical infrastructure that serves industrial edge operations.
Collectively, these network-enhancing technologies form the bedrock for many new computing workloads and the generation of vast amounts of data. Building in support for cloud-based operations opens the way for edge workloads that require great levels of reliability, efficiency, autonomy and data processing. And with machine learning analytics, companies can better achieve the fine level of control needed in time-sensitive edge operations.
Commercially viable uses still being explored
There are some clear uses that highlight potential commercial opportunities. Sophisticated machine learning processing at the edge can support computer-based operations, including using computer vision to validate the quality of manufactured goods or inspect the condition of physical fixtures. Other examples are in smart city support services, which see a range of connected things communicating at close quarters using ultra-low latency.
Such implementations can lead to support for safety-critical functions that enhance road safety and enable real-time traffic management and alerts for collision warnings. Autonomous vehicles have real-time needs that are best served by edge operations, and video analytics systems demand high-bandwidth edge processing support for cameras deployed in different locations.
The world of industrial operations, which employs dedicated on-premise proprietary systems and private networks, presents a wealth of further opportunities, some of which are starting to be realised.
The fourth industrial revolution centres on the cost benefits, flexibility and deep-level data processing offered by cloud-based operations, advanced analytics and network advances such as 5G. New processing capabilities from leading equipment and chip manufacturers such as Intel can aid time-sensitive network operations, allowing for more cost-efficient edge processing of time-sensitive workloads.
These opportunities can be achieved by replacing current latency-focused proprietary edge control systems and enabling them to be supported by general-purpose processors and IT-grade high-level systems such as Linux or Windows.
Transformation of on-premise proprietary process control systems that provide operational control in continuous industrial processing systems could prove cost-effective. Further benefit could see greater application of finely tuned, time-sensitive incremental control for advanced optimisation deployed to a broader range of edge operations.
The edge is another dimension – navigating it won’t be easy
Those involved in maintaining edge processing operations benefit from specialist knowledge and experience. They understand the complexities and implementation concerns of the technologies needed to support edge operations and allow its value to be achieved.
Edge operations require user organisations and suppliers to think beyond infrastructure and architectural needs
But what is often missing is clear articulation and mapping of the different solutions, supporting network communication strategies and partner relationships. This can make it very hard for non-specialist roles to understand the operational needs, teams and technology that need to be in place.
Edge operations require user organisations and suppliers to think beyond infrastructure and architectural needs. New automation and orchestration challenges will arise, often across transactional boundaries and occurring between different companies and industries, rather than just different parts of the network. They must also think about ownership of the software and infrastructure stack and the likely path of service engagement – be that through a telecoms operator, hyperscale public cloud provider or others.
Providers of edge operational services also need to decide how they support multiple customers according to their individual needs. This will be especially necessary for applying operational-specific AI algorithms, and may result in multi-layered partner offerings.
All this will require organisations to think more carefully about how they extend their datacentre operations to enable greater levels of edge processing, work with cloud providers or hook into another provider’s edge datacentre network.
If you’re not Netflix, is edge processing for you?
The biggest drivers for edge datacentres are coming from industry sectors where edge operations are already well established. Gaming, video-streaming services, branch offices and more already have a good command of edge operations and the demands and dynamics of managing edge datacentres. They run complex and highly distributed content delivery networks with stringent latency constraints to meet the expectations of a global audience.
Netflix, a well-known customer of Amazon Web Services (AWS), and its streaming peers use cloud computing and delivery services. However, many others use dedicated proprietary systems and hardware appliances.
Therefore, deciding whether any edge-based business operation needs to meet such strict latency service-level agreements (SLAs) will provide insight into the complexity underpinning edge datacentres.
Prepare for edge datacentres
The latest foray into edge computing operations and datacentres is still relatively nascent. However, the underlying mechanics, particularly network communication strategies and architectural models from telecoms service providers and hyperscale cloud platforms, are starting to take form.
Telecoms operators are sharpening their portfolios of mobile edge services. Some of these are being served through collaborations with leading public cloud providers, which add cloud-based functionalities to the latest connectivity advances brought by 5G networks.
CCS Insight has reported on the growing band of telecoms operators deploying mobile edge services with AWS Wavelength, which embeds AWS computing and storage at the edge of an operator’s 4G and 5G networks. CCS research highlights four network operators – KDDI, SK Telekom, Verizon and Vodafone – with mobile edge services based on that system.
The biggest challenges will be navigating the maze of suppliers and service partners that support edge computing and edge datacentre operations, as well as understanding ownership responsibilities in service delivery engagement and management.
Many organisations are unlikely to manage their own edge datacentres and will look to tap into a network of providers. Their choice of services will range from failover support to performance SLAs with various dashboards providing management, deployment and visibility. Industry regulators will need to consider multiple paradigms of operations and communications, along with ownership responsibilities.
The edge datacentre market is fizzing with potential, as the number of edge computing solutions grows, offering a range of capabilities and delivery services. But it remains early days, and the market will continue to be shaped by topics such as the sustainability of power consumption and distribution as this becomes increasingly important.
Bola Rotibi is a research director at CCS Insight. She has over 25 years’ expertise spanning engineering, software development and IT analysis. She is the founder of Creative Intellect Consulting, and has worked at MWD Advisors and Ovum.
Source is MK Digital
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