From the Blogosphere
Architecture for Next Generation Digital Service Providers | @CloudExpo #NFV #Microservices #DigitalTransformation
Telcos embarking on a journey to adopt and exploit the NFV trend face a big challenge of existing legacy complexity
Mar. 6, 2017 12:00 PM
NFV Microservices - Architecture for Next Generation Digital Service Providers
Telcos embarking on a journey to adopt and exploit the NFV trend face a big challenge of existing legacy complexity, and a key message I have been marketing is that there already are best practices that can be reused from the Enterprise sector, especially from leading ‘digital natives' like Netflix and Linkedin.
NTT Communications is a great example of this, employing the same ‘toolchain' of DevOps apps like Github, Ansible, Docker and Jenkins to do exactly that, better automate their own operations practices such as distributing NMS updates across multiple global data centers.
The other key ingredient of the Cloud Native formula is ‘microservices', the approach to Cloud-centric software engineering pioneered by Netflix, that is the architecture equivalent of ‘eating an elephant in small bite size chunks'.
Trying to move the whole elephant around is one of the primary challenges enterprises face in the Cloud era and so this is a logical solution, one that would enable Telcos to enjoy the same business benefits: Faster digital service innovation.
Best Practices - From Monolith to Microservices
Writing new software as microservices is a relatively simple challenge, but if you're faced with an existing elephant it presents challenges as painful as if you're taking those bites size chunks while the poor thing is still alive.
Therefore case studies that offer this ‘recipe', how to modernize an existing, monolith application offer the most valuable insights.
For example in this presentation Linkedin describe their approach for exactly this scenario - From a Monolith to Microservices + REST:
This combination formed their particular ‘Microservices Recipe', and when you consider the role social graphs play across the Linkedin environment, how our business contacts are inter-connected and we dynamically explore our way through them, you can see how it would be an ideal design for this type of web site.
Others offer very practical permutations. For example in this article Flickr describe how you can utilize Github to operate a ‘Microservices Store'.
This is a great idea when you consider Github can provide the foundation for a complete DevOps toolchain, augmented in many ways such as adding apps to support Agile practices.
Industry expert Tom Nolle explores their application to the Telco world in this blog, highlighting that a simple recipe of a connection model + microservices set would offer a powerful framework for Network-as-a-Service components, like DNS, DHCP, firewalls or VPN client, and Lori McVittie of F5 shares a series of tremendous insights.
In their ECOMP white paper AT&T envisages how they anticipate their use:
They also highlight how they will interface with the DCAE, their analytics and cloud management platform:
The post NFV Microservices – Architecture for Next Generation Digital Service Providers appeared first on CBPN.
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