Service-Oriented Architecture

DZone

Service-Oriented Architecture Overview. A service-oriented architecture (SOA) is an architectural pattern in computer software design in which application components provide services to other components via a communications protocol, typically over a network. SOA offerings should provide a solid solution to the problem of complex architecture and code redundancies, enabling efficient interoperability between systems, applications, and services.

Ready for changes with Hexagonal Architecture

The Netflix TechBlog

We had an interesting challenge on our hands: we needed to build the core of our app from scratch, but we also needed data that existed in many different systems. Leveraging Hexagonal Architecture We needed to support the ability to swap data sources without impacting business logic , so we knew we needed to keep them decoupled. We decided to build our app based on principles behind Hexagonal Architecture and Uncle Bob’s Clean Architecture.

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Reactive Architecture Benefits and Use Cases

DZone

While the term reactive architecture has been around for a long time, only relatively recently has it been recognized by the industry and hit mainstream adoption. performance reactive reactive architecture reactive manifestoAnd the goal of this article is to analyze what reactive really is and why to adopt it.

It’s time to upgrade the PTC System Monitor (PSM)!

Dynatrace

As a PSM system administrator, you’ve relied on AppMon as a preconfigured APM tool for detecting, diagnosing, and repairing problems that impact the operational health of your Windchill application suite. The post It’s time to upgrade the PTC System Monitor (PSM)!

Reinventing virtualization with the AWS Nitro System

All Things Distributed

A great example of this approach to innovation and problem solving is the creation of the AWS Nitro System , the underlying platform for our EC2 instances. Running a business at the scale of Amazon, we often have to solve problems that no other company has faced before.

Enterprise Architecture in a Product-Oriented DevOps World

Strategic Tech

Enterprise Architecture (EA) is hugely important for medium and large organisations. It helps people to understand the complex systems they are working with. designing systems that document themselves. software-architecture domain-driven-design enterprise-architecture

Self-documenting Architecture

Strategic Tech

One of the biggest time costs in software development is understanding how a system works. Systems are getting more complex yet our ability to understand them doesn’t seem to be growing at the same rate. Complex systems are harder to learn and harder for newcomers to be productive in.

Reinventing Performance Testing: New Architectures

Alex Podelko

New Architectures (this post). Cloud seriously impacts system architectures that has a lot of performance-related consequences. First, we have a shift to centrally managed systems. Software as a Service’ (SaaS) basically are centrally managed systems with multiple tenants/instances. From one side, it makes it easier to monitor and update / rollback systems that lowers performance-related risks. Traditionally monitoring was on the system level.

Legacy Architecture Modernisation With Strategic Domain-Driven Design

Strategic Tech

Most organisations go through an architecture modernisation effort at some point as their systems drift into a state of intolerable maintenance costs and they diverge too far from modern technological advances. What architecture will be optimal for enabling that business vision?

How architecture evolves into strategy

O'Reilly Software

I should start by saying this section does not offer a treatise on how to do architecture. Technology systems are difficult to wrangle. Our systems grow in accidental complexity and complication over time. Vitruvius and the principles of architecture. Architecture begins when someone has a nontrivial problem to be solved. The product management team states what must be done to solve the problem, and the architect describes how to realize that vision in a system.

Orbital edge computing: nano satellite constellations as a new class of computer system

The Morning Paper

Orbital edge computing: nanosatellite constellations as a new class of computer system , Denby & Lucia, ASPLOS’20. Only space system architects don’t call it request-response, they call it a ‘ bent-pipe architecture.’. Nanosatellite systems have a GSD of around 3.0m/px.

What is Serverless Architecture?

cdemi

Serverless is currently a hot topic in many modern architectural patterns. Serverless systems are still in their infancy. There will be many advances in the field over the coming years and it will be fascinating to see how they fit into our architectural toolkit. This has a huge impact on application architecture, however having said that, it's not necessarily a bad idea. Serverless FaaS Software Architecture Cloud

The Relationship Between Software Architecture And Business Models (and more)

Strategic Tech

If every significant architecture decision has business consequences, then knowing the business model and which trade-offs to choose is maybe the most important skill of architects. But what is the actual relationship between a business model and a software architecture?

Service Oriented Architecture Testing (SOA Test)

Testlodge

SOA or Service Oriented Architecture is a software development framework employed for building a business application by using a number of small independent services. Taking this route is not only cost effective, but also easier to manage and organize, and it is made possible through SOA architecture. Many companies around the world choose to adopt such architectures, instead of building their own complex legacy systems.

Choosing a cloud DBMS: architectures and tradeoffs

The Morning Paper

Choosing a cloud DBMS: architectures and tradeoffs Tan et al., We focused on OLAP-oriented parallel data warehouse products available for AWS and restricted our attention to commercially available systems. As it is infeasible to test every OLAP system runnable on AWS, we chose widely-used systems that represented a variety of architectures and cost models. Each systems begins from a cold start unless explicitly stated otherwise in the results.

Scalable MicroService Architecture

VoltDB

As the complexity of applications and systems increases, the size of the teams that work on these also increase. In these scenarios, having the system as a monolithic one inhibits the development team from being able to move forward at speed. This goal has been attempted to be addressed from the beginning of time: think of Object Oriented Programming, Service Oriented Architecture, Enterprise Service Bus and now Microservices.

Scalable MicroService Architecture

VoltDB

As the complexity of applications and systems increases, the size of the teams that work on these also increase. In these scenarios, having the system as a monolithic one inhibits the development team from being able to move forward at speed. This goal has been attempted to be addressed from the beginning of time: think of Object Oriented Programming, Service Oriented Architecture, Enterprise Service Bus and now Microservices.

Scaling Uber’s Apache Hadoop Distributed File System for Growth

Uber Engineering

This analysis powers our services and enables the delivery of more seamless and reliable user … The post Scaling Uber’s Apache Hadoop Distributed File System for Growth appeared first on Uber Engineering Blog. Three years ago, Uber Engineering adopted Hadoop as the storage ( HDFS ) and compute ( YARN ) infrastructure for our organization’s big data analysis.

Developing a chaos architecture mindset

O'Reilly Software

Adrian Cockcroft outlines the architectural principles of chaos engineering and shares methods engineers can use to exercise failure modes in safety and business-critical systems Continue reading Developing a chaos architecture mindset

Tackling the Pipeline Problem in the Architecture Research Community

ACM Sigarch

Computer architecture is an important and exciting field of computer science, which enables many other fields (eg. For those of us who pursued computer architecture as a career, this is well understood. However, we often hear anecdotes that the number of prospective graduate students applying to computer architecture/systems is small and shrinking. In most curriculums, undergrad students do not have much exposure to computer architecture.

Systems Performance: Enterprise and the Cloud, 2nd Edition

Brendan Gregg

Eight years ago I wrote _Systems Performance: Enterprise and the Cloud_ (aka the "sysperf" book) on the performance of computing systems, and this year I'm excited to be releasing the second edition. A year ago I announced [BPF Performance Tools: Linux System and Application Observability]. In a way, Systems Performance is volume 1 and BPF Performance Tools is volume 2.

PostgreSQL Connection Pooling: Part 1 – Pros & Cons

Scalegrid

On modern Linux systems, the difference in overhead between forking a process and creating a thread is much lesser than it used to be. Moving to a multithreaded architecture will require extensive rewrites. But that causes a problem with PostgreSQL’s architecture – forking a process becomes expensive when transactions are very short, as the common wisdom dictates they should be. The PostgreSQL Architecture | Source. The Connection Pool Architecture.

HammerDB Concepts and Architecture

HammerDB

This guide to HammerDB concepts and architectures is aimed at helping you understand how HammerDB is built and how it can be extended and modified. It is of note that we have not discussed the operating system yet, that is because the source code and the code included with the pre-packaged versions is identical whether it is running on Linux or Windows on x86-64 architecture (or any other platform). Virtual Users within HammerDB are operating system threads.

Automated Deployment and Architectural Validation with Pitometer and keptn!

Dynatrace

At Neotys PAC 2019 in Chamonix, France, I presented approaches on how to solve this problem by looking at examples from companies such as Intuit, Dynatrace, Google, Netflix, T-Systems and others. Neotys and T-Systems MMS are amongst the first companies to build extensions. Beyond basic metrics: Detecting Architectural Regressions. At the recent DevExperience conference in Iasi, Romania I presented on Top Performance Challenges in Distributed Architectures.

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems

The Morning Paper

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., Systems built with lots of microservices have different operational characteristics to those built from a small number of monoliths, we’d like to study and better understand those differences. In this paper we explore the implications microservices have across the cloud system stack. Operating system and network implications.

Three Other Models of Computer System Performance: Part 1

ACM Sigarch

Computer systems, from the Internet-of-Things devices to datacenters, are complex and optimizing them can enhance capability and save money. Existing systems can be studied with measurement, while prospective systems are most often studied by extrapolating from measurements of prior systems or via simulation software that mimics target system function and provides performance metrics. It provides a quick calculation for what a system may or can’t do.

Highlights from the O'Reilly Software Architecture Conference in New York 2019

O'Reilly Software

Watch highlights from expert talks covering cloud-native programming, software architecture career advice, and more. People from across the software architecture world are coming together in New York for the O'Reilly Software Architecture Conference. Gregor Hohpe explains how software architects can use what they know about technical systems to help refactor organizations. Design and architecture: Special Dumpster Fire Unit.

Approaches to System Security: Using Cryptographic Techniques to Minimize Trust

ACM Sigarch

This is the first post in a series of posts on different approaches to systems security especially as they apply to hardware and architectural security. In this post, we will consider the use of mathematics/cryptography as an approach to improving systems security. The class of techniques described in this blog post, which we broadly refer to as applied hardware and architecture cryptography, apply proven cryptographic techniques to strengthen systems.

Highlights from the O'Reilly Software Architecture Conference in San Jose 2019

O'Reilly Software

Experts explore software architecture security, design heuristics, Next Architecture, and more. Experts from across the software architecture world are coming together in San Jose for the O'Reilly Software Architecture Conference. Next Architecture. Chris Guzikowski discusses the convergence of microservices, cloud, containers, and orchestration that points toward the rise of a Next Architecture. Watch " Next Architecture ".

Three Other Models of Computer System Performance: Part 2

ACM Sigarch

The M/M/1 queue also assumes that the arrival rate is not affected by the unbounded number of tasks in the queue (called an “open system”). Disclaimer: These posts are written by individual contributors to share their thoughts on the Computer Architecture Today blog for the benefit of the community. ACM SIGARCH Architecture MethodologyWith two blog posts, we argue for more use of simple models beyond Amdahl’s Law.

Serverless Reference Architecture with AWS Lambda

All Things Distributed

If you are looking for more examples there are the Lambda Serverless Reference Architectures that can serve as the blueprint for building your own serverless applications. Mobile Backend Serverless Reference Architecture. The Mobile Backend reference architecture demonstrates how to use AWS Lambda along with other services to build a serverless backend for a mobile application. Real-time File Processing Serverless Reference Architecture.

Domain, Subdomain, Bounded Context, Problem/Solution Space in DDD: Clearly Defined

Strategic Tech

Domain-Driven Design is an approach to designing systems, usually software, that emphasises creating a common language between domain experts and system builders. When designing socio-technical systems, we often want to show domains at different levels.

Visualising Sociotechnical Architecture with DDD and Team Topologies

Strategic Tech

I remember as a young, naive software developer, I assumed there would be structured processes and patterns similar to those used for designing a software architecture. We can take inspiration from Spotify’s Model but there is a still a huge need for techniques which allow an organisation to strategically design the most effective sociotechnical architecture to achieve its unique goals. Unfortunately, co-change in systems is multi-dimensional.

Migrating a privacy-safe information extraction system to a Software 2.0 design

The Morning Paper

Migrating a privacy-safe information extraction system to a software 2.0 This is a comparatively short (7 pages) but very interesting paper detailing the migration of a software system to a ‘Software 2.0’ Replacing these rules with a machine learned component dramatically simplified the code base (45 Kloc deleted) and set the system back onto a growth and improvement trajectory. system. design , Sheng, CIDR’20.

Serverless Reference Architectures with AWS Lambda

All Things Distributed

If you are looking for more examples there are the Lambda Serverless Reference Architectures that can serve as the blueprint for building your own serverless applications. Mobile Backend Serverless Reference Architecture. The Mobile Backend reference architecture demonstrates how to use AWS Lambda along with other services to build a serverless backend for a mobile application. Real-time File Processing Serverless Reference Architecture.

Migrating Functionality Between Large-scale Production Systems Seamlessly

Uber Engineering

As we scaled up to our present level of support for 14 million trips per day, the car in that … The post Migrating Functionality Between Large-scale Production Systems Seamlessly appeared first on Uber Engineering Blog. Architecture Feature Engineering Microservices Payments Platform Uber Engineering Uber Money Upfront PricingA common axiom among Uber engineers states that building new features is like fixing a car’s engine while driving it.

The Benefits of Software Architecture: Hierarchical Digital Twins

ScaleOut Software

Having just concluded participation in another In-Memory Computing Summit , it has become even more clear to me that the key to mainstream adoption of in-memory computing software platforms is architecture — the root of a platform’s value to applications. This notion has been reinforced through four decades of work in computer architecture and software after it was first driven home to me by a luminary in computer architecture at Intel Corporation, the late George Cox.

The Benefits of Software Architecture: Hierarchical Digital Twins

ScaleOut Software

Having just concluded participation in another In-Memory Computing Summit , it has become even more clear to me that the key to mainstream adoption of in-memory computing software platforms is architecture — the root of a platform’s value to applications. This notion has been reinforced through four decades of work in computer architecture and software after it was first driven home to me by a luminary in computer architecture at Intel Corporation, the late George Cox.

Some new Serverless Architecture videos from John and Mike

The Symphonia

link] Next up is John, who took his talk “Building Resilient Serverless Systems” to QCon London. In this talk you’ll learn how to use serverless technologies and an infrastructure-as-code approach to architect, build, and operate large-scale systems that are resilient to vendor failures, even while taking advantage of fully managed vendor services and platforms. Building Resilient Serverless Systems And from me again : “Serverless Architecture Patterns: The Awkward Early Years”.

PyTorch-BigGraph: a large-scale graph embedding system

The Morning Paper

PyTorch-BigGraph: a large-scale graph embedding system Lerer et al., For distributed execution PBG uses a locking scheme over partitions combined with an asynchronous parameter server architecture for shared parameters (relation parameters and entity types using featurized embeddings, but overall a small number compared to the total). SysML’19. We looked at graph neural networks earlier this year, which operate directly over a graph structure.

How Netflix Scales its API with GraphQL Federation (Part 1)

The Netflix TechBlog

Netflix is known for its loosely coupled and highly scalable microservice architecture. The product teams solved for this with two architectural patterns. some teams used a pattern of building a materialized view of another service’s data for their specific system needs.

How to design a RESTful API architecture from a human-language spec

O'Reilly Software

In this article, we'll assume you already have a human-readable specification of a system, and we'll teach you a process for designing a RESTful HTTP API architecture from it. By RESTful API we mean an API that follows Representational State Transfer (REST) architectural style. Continue reading How to design a RESTful API architecture from a human-language spec A process to build RESTful APIs that solve users’ needs with simplicity, reliability, and performance.

10 talks to look for at the 2018 O'Reilly Software Architecture Conference in London

O'Reilly Software

From chaos architecture to event streaming to leading teams, the O'Reilly Software Architecture Conference offers a unique depth and breadth of content. We received more than 200 abstracts for talks for the 2018 O'Reilly Software Architecture Conference in London—on both expected and surprising topics. Two of the outstanding features of the O'Reilly Software Architecture Conference are the depth and breadth of our content.