Software Engineering Daily

Serverless has grown in popularity over the last five years, and the space of applications that can be built entirely with serverless has increased dramatically. This is due to two factors: the growing array of serverless tools (such as edge-located key value stores) and the rising number of companies with serverless offerings. One of those companies is Fastly, which originally gained adoption for its CDN solution. Tyler McMullen is the CTO of Fastly and he joins the show to talk through how Fastly looks at edge computing today. This is Tyler’s third appearance on the show.

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Originally published September 13, 2019

Amazon Web Services first came out in 2006.

It took several years before the software industry realized that cloud computing was a transformative piece of technology. Initially, the common perspective around cloud computing was that it was a useful tool for startups, but would not be a smart option for large, established businesses. Cloud computing was not considered economical nor secure.

Today, that has changed. Every company that writes software is figuring out how to utilize the cloud. Software companies with on-prem servers are migrating old applications to the cloud, and most companies that have started in the last decade do not even have physical servers. 

Applications that are started on the cloud are referred to as “cloud-native.” The architecture of cloud-native applications is a newer topic of discussion, and some software patterns that became established in the pre-cloud era make less sense today.

Cornelia Davis is VP of technology at Pivotal and the author of Cloud Native Patterns, a book about developing applications in the distributed, virtual world of the cloud. Cornelia was previously on the show to discuss Cloud Foundry. In today’s episode, our conversation centers on her book, and her perspective on the emerging patterns of cloud native software.

Sponsorship inquiries: [email protected]

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Originally published May 29, 2020

Kubernetes has become a highly usable platform for deploying and managing distributed systems. 

The user experience for Kubernetes is great, but is still not as simple as a full-on serverless implementation–at least, that has been a long-held assumption. Why would you manage your own infrastructure, even if it is Kubernetes? Why not use autoscaling Lambda functions and other infrastructure-as-a-service products?

Matt Ward is a listener of the show and an engineer at Mux, a company that makes video streaming APIs. He sent me an email that said Mux has been having success with self-managed Kubernetes infrastructure, which they deliberately opted for over a serverless deployment. I wanted to know more about what shaped this decision to opt for self-managed infrastructure, and the costs and benefits that Mux has accrued as a result.

Matt joins the show to talk through his work at Mux, and the architectural impact of opting for Kubernetes instead of fully managed serverless infrastructure.

Sponsorship inquiries: [email protected]

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Microservices route requests between each other. As the underlying infrastructure changes, this routing becomes more complex and dynamic. The interaction patterns across this infrastructure requires operators to create rules around traffic management. Tobias Kunze Briseno is the founder of Glasnostic, a system for ensuring resilience of microservice applications. Tobias joins the show to talk about microservice routing and traffic management, and what he has built with Glasnostic.

Sponsorship inquiries: [email protected]

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Netlify is a cloud provider for JAMStack applications. To make those applications more performant, Netlify has built out capacity for edge computing–specifically “edge handlers”. Edge handlers can be used for a variety of use cases that need lower latency or other edge computing functionality. Matt Biilmann Christensen is the CEO of Netlify and joins the show to talk through the engineering behind edge handlers.

Sponsorship inquiries: [email protected]

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Cloud resources can get out of control if proper management constraints are not put in place. Cloud Custodian enables users to be well managed in the cloud. It is a YAML DSL that allows you to easily define rules to enable a well-managed cloud infrastructure giving security and cost optimization. Kapil Thangavelu works on Cloud Custodian and he joins the show to talk about modern cloud management and what he is building with Cloud Custodian.

Sponsorship inquiries: [email protected]

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Containers and virtual machines are two ways of running virtualized infrastructure. Containers use less resources than VMs, and typically use the runc open source container runtime. Sysbox is a containerization runtime that offers an alternative to runc, and allows for the deployment of Docker or Kubernetes within a container. Cesar Talledo is the founder of Nestybox, a company built around the Sysbox runtime. He joins the show to talk about container runtimes and his new company.

Sponsorship inquiries: [email protected]

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Development environments are brittle and hard to manage. They lack the kind of fungibility afforded by infrastructure-as-code. Gitpod is a company that allows developers to describe development environments as code to make them easier to work with, and enabling a more streamlined GitOps workflow. Johannes Landgraf and Sven Efftinge are creators of Gitpod and they join the show to discuss the product and the motivation for building it.

Sponsorship inquiries: [email protected]

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Ray is a general purpose distributed computing framework. Ray is used for reinforcement learning and other compute intensive tasks. It was developed at the Berkeley RISELab, a research and development lab with an emphasis on practical applications. Ion Stoica is a professor at Berkeley, and he joins the show to talk about the present and future of the Ray framework.

Sponsorship inquiries: [email protected]

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A private network connects servers, computers, and cloud instances. These networked objects are often separated by firewalls and subnets that create latency and complication. David Crawshaw is the CTO of Tailscale, a company that works to make private networks easier to build and simpler to configure and maintain. David joins the show to talk about private networks and the implementation of Tailscale.

Sponsorship inquiries: [email protected]

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