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Nexus; The Graph Framework for Microservices

Nexus is a software stack and toolkit that accelerates cloud-native microservice development:

  • through a robust development, build and code generation toolkit, that simplifies the definition of "application state" (a.k.a data model)
  • by simplifying consumption and production of distributed application state through a plethora of widely used API formats and SDK
  • through a plug-and-play runtime for core platform functions

Applications built on Nexus are out-the-box ready to thrive in the ever challenging world of distributed systems and SaaS.

Nexus represents the application's datamodel/state as a Graph, with emphasis on the event-driven propagation of data.


Nexus TL;DR

Nexus.mp4


What problem does Nexus solve ?

A plethora of tools and utilities have cropped up to address the challenge of writing and operating applications in distributed, cloud-native, SaaS environments. This is particularly true in the realm of Kubernetes.

Cloud native applications of today, need contracts, not tools. Contracts that will implement and provide guarantees around distributed system functions, state management, replication etc. Instead, applications are forced to solve the complex problems around distributed systems and platform first, before they can actually get to implementing their very cool business use case and value add. This is simply put - just nuts !

Applications are desperate for a unified framework that provides:

  • API declaration, API endpoint management, versioning, packaging, rollout and more
  • a hierarchical datamodel that is declarative, consistent, custom built and configurable
  • API first design, with support for APIs beyond CRD: graphql, custom REST API/URL etc
  • an integrated RBAC that can be versioned, codified
  • a distributed runtime, with API Gateway, that will seamlessly stretch across product boundaries and cluster boundaries
  • toolchain to aid, fast-track application development
  • a programmatic library to provide a cloud native development paradigm
  • a single tool to hold all of the above together

In essence, taking K8s as a example, what applications want is not K8s, not be limited by K8s, but rather to build on top of K8s.

Graph Framework for Microservices addresses these challenges head-on through its integral software stack: Nexus

GraphFrameworkForMicroservices

Nexus

Nexus is the "core" software stack of the Graph Framework for Microservices.

Nexus provides:

Nexus

Given an application's intent as a declarative spec, Nexus provides the ability to consume the application's data / state through a plethora of commonly used interfaces and API.