Inside mbga Open Platform API architecture
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The document describes a load balancer distributing requests across multiple lighttpd web servers running fastcgi applications. It also shows databases for user profiles and messages with memcached caching. Messages are enqueued into a message queue processed by worker processes and inserted into a replicated message database with a slave for high availability. Cached messages from previous lookups are stored in memcached for improved performance.
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Today, every enterprise agrees that there is a pressing need for business APIs. However, it’s the right API strategy that will make business APIs a winning one.
This session will explain how you could formulate a winning API strategy, and will particularly focus on the following areas:
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How should the strategy be converted into a set of action items that will create a winning combination?
How can WSO2’s API Management capabilities help?
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Discuss the challenges associated with a dynamic API.
When the REST API was designed, it was important to ensure it contained the same flexibility and richness available with the Java APIs. Be sure to join us to see exactly what we did to make this happen.
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[This is the slide for my speech at the AADI conference]
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In this webinar, WSO2’s guest speaker Randy Heffner, analyst at Forrester Research, will set the record straight by providing a clear definition for API management - and the broader API platform - that enterprises need to create and implement a successful API strategy. Using WSO2 customer user stories, Isabelle Mauny, the vice president of product management at WSO2, will then explain how choosing the proper API management platform can set yourself on the road to success for API-led business transformation.
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Because all devices use this API, and because Netflix runs on devices of widely varying sizes and interaction models, it has served us well to enable a platform against which device teams write server-side scripts. Using Netflix as an example, the goal of this talk is to explore situations in which server-side scripting is a good solution for applications. I will describe our first approach, which uses Groovy scripts. I will detail how the scripts are uploaded and can make use of shared modules. This approach allows for high flexibility and performance as well as high developer velocity, at the expense of added risk of injecting scripts into running servers. I will then dive into a new approach that will isolate the scripts into their own containers without compromising the original goals and will allow teams to write scripts in node.js, a language that is more natural for them.
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To view recording of this webinar please use the below URL:
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The document discusses trends in APIs including the growth of REST and JSON APIs, the rise of API billionaires and trillionaires processing over a billion API calls per day, APIs as products and brands, monetizing APIs through various business models like advertising and premium services, and the role of invisible mashups using multiple APIs together without the end user's knowledge.
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The Architecture of an API Platform
My presentation from Nordic APIs 2014 in Stockholm, Sweden.
How can the architecture of one API platform look like? How can you break down things to make this challenge easier?
Building a fully API-based platform on top of cPanel
My presentation at the cPanel Conference 2011
http://bootcamp.cpanel.net/
Design inspired by http://www.slideshare.net/timanglade/a-nosql-overview (thx to @timanglade)
Intel And Big Data: An Open Platform for Next-Gen Analytics
The document announces Intel's Open Platform for Next-Gen Analytics, including the Intel Distribution for Apache Hadoop software. The software delivers hardware-enhanced performance and security for Apache Hadoop and enables partners to innovate analytics solutions. Intel aims to democratize data analysis from edge to cloud with open platforms and software value.
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This session will explain how you could formulate a winning API strategy, and will particularly focus on the following areas:
What are the key ingredients in defining a winning API strategy?
How should the strategy be converted into a set of action items that will create a winning combination?
How can WSO2’s API Management capabilities help?
It will also touch on some real customer scenarios where WSO2′s platform has been a key part in implementing a winning API strategy for these enterprises.
Presenter:
Sumedha Rubasinghe
Director – API Architecture,
WSO2
[Webinar] An Hour with the CTO: All About APIs and the Nuxeo Platform
The Nuxeo Platform is based on a component architecture and extension points that allow you to extend and customize exposed services. The latest version of the platform (5.8) offers a set of resource-oriented REST APIs to support the development of content-centric applications. Learn what we did to create these new REST APIs and how you can use them in your own applications.
Spend an hour with Nuxeo CTO, Thierry Delprat as he talks specifics of the Nuxeo REST APIs. During this live webinar Thierry will:
Review the solutions used to make the REST APIs extensible and composable,
Discuss the challenges associated with a dynamic API.
When the REST API was designed, it was important to ensure it contained the same flexibility and richness available with the Java APIs. Be sure to join us to see exactly what we did to make this happen.
If you want to get a head-start, download the REST API package from the Nuxeo Marketplace, or read through the Nuxeo REST API documentation.
SOA Strategy for Connected Business
Executive briefing on rationale and considerations for launching a digital business strategy based on a cloud-based, on-demand API platform foundation.
Thoughts on a research platform architecture: Simplify your application portf...
The lessons of SAP are relevant to research, where operational systems supporting business processes likely consume more than two thirds of an informatics portfolio. This poster from the Pistoia Alliance Conference in April 2011 postulates that open source solutions can provide SAP-like agility and cost effectiveness to life science organizations seeking to simplify their research informatics architecture.
Using containerization to enable your microservice architecture
Presentation from the technology track at I Love APIs London 2016 featuring Greg Brail, Apigee and Jonathan Bennett, Zooz
With the meteoric rise of microservices and many organisations such as Amazon, Netflix and others praising them for their driving parts of their success, delivering microservices in a stable, consistent and managable way in the enterprise ways customers have come to expect is becoming more important than ever.
This session discusses the perceived benefits and efficiency gains from delivering a microservice achitecture, lessons learned from migrating and running a microservice architecture within application containers along with practical examples of how to enable fast application deployment using containers.
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The WSO2 platform consists of an orthogonal toolset that can be used build connected solutions in various verticals. This presentation looks at how the WSO2 platform is used to build a connected telco solution which addresses federated Identity and API management for the future telco
Comcast Codebig: An API Platform & Program [my speech at the AADI conference]
[This is the slide for my speech at the AADI conference]
Driving innovation throughout a large technology-driven veteran company in a competitive industry is no easy task. Comcast has many engineering groups with a lot of APIs, providers and developers – more than 1500, in fact. This creates a bit of a scattering effect with regard to our technology. Despite this, we’ve been focused on enhancing and/or replacing legacy systems and designs (SOAP, one-off Web interfaces/systems) and shifting our services model to one that is more mobile/device centric. Major hurdles have included slow integration/syndication across consumer and service provider services, and the lack of a consistent security model allowing controlled data sharing and system integration.
Comcast’s effort to overcome these challenges and build a developer & provider community and network from its current infrastructure state – replete with duplicate APIs and effort in some cases – is called CodeBig. Through this unified combination of best-in-class technology and best practices, CodeBig aims to overcome our challenges of API scattering/duplication, integration/security models and legacy Web interfaces, and ultimately foster innovations and growth/deployment quickly and efficiently.
WSO2 - Forrester Guest Webinar: API Management is not Enough: You Need an API...
To view recording of this webinar please use the below URL:
http://wso2.com/library/webinars/2016/05/api-management-is-not-enough-you-need-an-api-platform/
APIs are critical for any modern application, whether it be for mobile apps, B2B integration, digital disruption or agile integration strategies. With this greater focus on APIs comes the increased need for API management. When adopting API management many make the mistake of giving it less significance and setting themselves up for big problems.
In this webinar, WSO2’s guest speaker Randy Heffner, analyst at Forrester Research, will set the record straight by providing a clear definition for API management - and the broader API platform - that enterprises need to create and implement a successful API strategy. Using WSO2 customer user stories, Isabelle Mauny, the vice president of product management at WSO2, will then explain how choosing the proper API management platform can set yourself on the road to success for API-led business transformation.
LeaseWeb API Architecture @ APINL Meetup
The document discusses LeaseWeb's API architecture redesign to improve communication and reduce complexity. It overviews the new layered architecture with client, gateway, process, and service layers. It also introduces the new Developer Platform team responsible for API standards, documentation, and monitoring through a centralized gateway, logging, and developer portal.
Zetta: An API First Platform
The document discusses an IoT workshop presentation about Zetta, an open source API-first platform for building IoT applications. Zetta addresses common issues with IoT like different protocols, security, and managing large numbers of devices. It uses HTTP to communicate between devices and generates APIs from Node.js code. Zetta also makes it easy to coordinate devices globally, broadcast data via websockets, and develop tools for IoT applications. The architecture involves lightweight Zetta processes running on edge network devices and servers that communicate securely to manage devices and proxy HTTP requests.
The Netflix API Platform for Server-Side Scripting
Presented at QCon NYC 2016.
The Netflix API is the front-door for almost all device/UI requests from 1000+ device types to the Netflix backends. It serves everything from movie and show recommendations, profile, sign-up, and A/B test related functionality, to bookmarks and licenses for playback.
Because all devices use this API, and because Netflix runs on devices of widely varying sizes and interaction models, it has served us well to enable a platform against which device teams write server-side scripts. Using Netflix as an example, the goal of this talk is to explore situations in which server-side scripting is a good solution for applications. I will describe our first approach, which uses Groovy scripts. I will detail how the scripts are uploaded and can make use of shared modules. This approach allows for high flexibility and performance as well as high developer velocity, at the expense of added risk of injecting scripts into running servers. I will then dive into a new approach that will isolate the scripts into their own containers without compromising the original goals and will allow teams to write scripts in node.js, a language that is more natural for them.
API Management Platform Technical Evaluation Framework
To view recording of this webinar please use the below URL:
http://wso2.com/library/webinars/2015/05/api-management-platform-technical-evaluation-framework/
Open Banking Platform - Intro
Introduction to the Open Banking Platform, its driving forces, relation to API Management and the innovators at this market
Apigee Edge Product Demo
Apigee Edge is an API management platform that helps businesses achieve digital acceleration at scale. It provides capabilities for API management, development services, analytics services, backend as a service (BaaS), and security. Apigee Edge has over 30 out-of-the-box policies that can be configured and attached at different points to manage API interactions, optimize performance, and secure APIs. It also allows for scripting and node.js extensions. The platform offers self-service developer onboarding tools, branded developer portals, and analytics for visibility into top APIs, developers, apps, and products.
ITANA 2016: API Architecture and Implementation
Presentation w/ Zachary Seguin, Kartik Talwar, and Nate Vexler for ITANA (https://spaces.internet2.edu/display/itana/Home) API Group. Covers the University of Waterloo's development of API capabilities starting with a student led Open Data initiative.
Open APIs: What's Hot, What's Not?
The document discusses trends in APIs including the growth of REST and JSON APIs, the rise of API billionaires and trillionaires processing over a billion API calls per day, APIs as products and brands, monetizing APIs through various business models like advertising and premium services, and the role of invisible mashups using multiple APIs together without the end user's knowledge.
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Building a fully API-based platform on top of cPanel
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Intel And Big Data: An Open Platform for Next-Gen Analytics
[Webinar] An Hour with the CTO: All About APIs and the Nuxeo Platform
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Using containerization to enable your microservice architecture
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Comcast Codebig: An API Platform & Program [my speech at the AADI conference]
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The Netflix API Platform for Server-Side Scripting
API Management Platform Technical Evaluation Framework
API Management Platform Technical Evaluation Framework
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3. The batch command pattern executes a script on the server, returning results in bulk to the client, separating local and remote code execution.
Hadoop Inside
Hadoop is an open-source framework for distributed processing of large datasets across clusters of computers. It allows for the parallel processing of large datasets stored across multiple servers. Hadoop uses HDFS for reliable storage and MapReduce as a programming model for distributed computing. HDFS stores data reliably in blocks across nodes, while MapReduce processes data in parallel using map and reduce functions.
Lev
- lev is a platform for building servers more easily than Node. It is based on Lua and libuv and is faster and uses less memory than Node.
- The founders of lev overhauled lua-event and reimplemented many parts like cBuffer and MessagePack for better performance.
- lev supports multicore processing out of the box and has a redesigned API compared to lua-event.
Stefano Giordano
The document discusses network intrusion detection and anomaly detection from a research perspective. It describes using network processors to develop a device that can perform high-speed packet capturing, timestamping, and processing. The device is used to build a traffic measurements system that can analyze traffic at wire speed and online to accurately characterize network traffic.
Stefano Giordano
1) The document discusses network intrusion detection systems and anomaly detection from a research perspective. It focuses on developing a device that can perform high-speed packet capturing and timestamping for traffic analysis.
2) The proposed device uses a network processor based architecture with an Intel IXP network processor to perform wire-speed packet processing and classification. It timestamps packets and groups them into "batch frames" to send to a receiving PC for further analysis.
3) The system aims to provide accurate, high-speed traffic measurements and analysis for research into network security and anomaly detection. It seeks to classify network traffic in real-time and detect network intrusions and anomalies.
Introduction to Apache Accumulo
1. Introduction to Apache Accumulo provides an overview of the key-value store Accumulo.
2. Accumulo is a sorted, distributed key-value store that enables interactive access to trillions of records across hundreds to thousands of servers. It provides cell-based access control and customizable server-side processing.
3. The document discusses Accumulo's history and architecture, including how it uses Hadoop for storage and Zookeeper for coordination. It also covers Accumulo's features like iterators for server-side programming and cell-level access control labels.
SHOGUN使ってみました
SHOGUN is a machine learning tool that provides implementations of support vector machines, linear discriminant analysis, linear programming machines, perceptrons, hidden Markov models, and other algorithms. It has static and modular interfaces and is implemented in C++ as the libshogun library. It can be used from Python, Octave, and other languages and supports Linux, Windows, and Mac OS.
Acunu & OCaml: Experience Report, CUFP
This document summarizes Tom Wilkie's presentation on Acunu & OCaml. It discusses how Acunu has evolved from small databases in 1990 to distributed, shared-nothing databases today. It presents the architecture and components of Acunu's storage core, which is built using OCaml. Performance results are shown for Acunu's prototypes using different data structures like doubling arrays, demonstrating high insertion rates.
3.5 SDN CloudStack Developer Day
3.5 SDN CloudStack Developer Day
By Alex Huang
Architect, Cloud Platforms Group, Citrix Systems Inc.
Solving the C20K Problem: PHP Performance and Scalability
This document discusses solving the C20K problem of scaling PHP applications to handle 20,000 simultaneous users on a single database server. It describes several built-in database mechanisms in PHP that can help with scaling, including database resident connection pooling, query change notification, client-side query result caching, using stored procedures, database partitioning, and advanced data compression. It also discusses database failover using Oracle Real Application Clusters and fast application notification. Benchmark results are shown demonstrating a PHP application using database resident connection pooling can scale to over 20,000 simultaneous users on commodity hardware.
Solving the C20K Problem: PHP Performance and Scalability
This document discusses how to solve the C20K problem of handling 20,000 simultaneous PHP users on a single database server using built-in database mechanisms in PHP. It describes how database resident connection pooling, query change notification, client-side query result caching, scaling with stored procedures, database partitioning, and fast application notification can be used to improve performance and scalability. Configuring these features and case studies demonstrating their effectiveness in achieving the C20K goal are provided.
Genode Compositions
The lecture by Norman Feske for Summer Systems School'12.
Genode Compositions
SSS'12 - Education event, organized by ksys labs[1] in 2012, for students interested in system software development and information security.
Genode[2] - The Genode operating-system framework provides a uniform API for applications on top of 8 existing microkernels/hypervisors: Linux, L4ka::Pistachio, L4/Fiasco, OKL4, NOVA, Fiasco.OC, Codezero, and a custom kernel for the MicroBlaze architecture.
1. http://ksyslabs.org/
2. http://genode.org
Java concurrency introduction
The document discusses Java concurrency concepts including the Java memory model, thread synchronization, locks, and common utilities in the java.util.concurrent package. It covers thread coordination mechanisms like synchronized, volatile, locks, and wait/notify. It also summarizes data structures like ConcurrentHashMap and Executors like ThreadPoolExecutor. The document mentions parallel programming techniques including fork/join and coroutines.
4th European Lisp Symposium: Jobim: an Actors Library for the Clojure Program...
4th European Lisp Symposium: Jobim: an Actors Library for the Clojure Program...Antonio Garrote Hernández
This document introduces Jobim, an actor library for Clojure that enables building distributed, concurrent applications. It describes actors as named channels that receive and send messages. Jobim provides protocols for messaging, coordination, and serialization that can be extended with plugins. It also includes behaviors like supervisor, server, and finite state machine patterns to help reuse distributed logic. The library aims to integrate well with Clojure while providing solutions for distribution challenges like coordination and serialization.Similar to Inside mbga Open Platform API architecture (20)
Making Big Data Analytics Interactive and Real-Time
Making Big Data Analytics Interactive and Real-Time
Solving the C20K Problem: PHP Performance and Scalability
Solving the C20K Problem: PHP Performance and Scalability
Solving the C20K Problem: PHP Performance and Scalability
Solving the C20K Problem: PHP Performance and Scalability
4th European Lisp Symposium: Jobim: an Actors Library for the Clojure Program...
4th European Lisp Symposium: Jobim: an Actors Library for the Clojure Program...
More from Toru Yamaguchi
これからの Microservices
DeNA TechCon 2016 の発表資料です。
REST と JSON の突っ込んだ話と、ちょっと Microservices の話。タイトルに偽りありです。
技術選択とアーキテクトの役割
特定のプロジェクトがあり、要件定義をし概要設計をする。 それがアーキテクトの仕事だと思われがちですが、大きな視点を持ち様々な課題を自らリードして解決していく立場としても絶好のポジションです。
このセッションでは、Mobage オープンプラットフォームの立ち上げから、 グローバルプラットフォーム展開、さらには mixi 社との共同プラットフォーム構築、 JavaScript SDK と認証技術の組み合わせによる新しい HTML5 プラットフォーム構築をアーキテクトという立場でリードし続けた立場から、技術選択のみならず実現したい事に対する俯瞰的な捉え方を、これまでの実例と共に紹介し、アーキテクトという役割について、お話します。
How to bake delicious cookie (RESTful Meetup #03)
Toru Yamaguchi gave a presentation on advanced cookie usage. He explained the differences between host cookies and domain cookies, and how the path attribute can be used to control where cookies are sent. He discussed how JSON web tokens (JWT) can be used for login sessions by embedding user agent information. Finally, he mentioned how transparent session state cookies allow for single logout between authorization servers and client applications.
Yapc asia 2011_zigorou
1. The document discusses various issues that can cause failures when building APIs to access database systems, such as deadlocks from concurrent updates and purging data inconsistencies between master and slave databases.
2. It proposes solutions to these issues like using queues to defer updates, disabling binary logging to bypass replication, and partitioning or sharding data.
3. When building a friend timeline API, challenges include efficiently querying the necessary data across multiple database tables to return a paginated result with the total count. Solutions presented include using temporary tables and iteration in batches to query the data.
Introduction OpenID Authentication 2.0 Revival
The document discusses OpenID authentication and describes the flow between an Identity Provider and OpenID Provider. It includes code snippets for retrieving an XRDS document from an OpenID and generating an HMAC signature. The overall document provides information about OpenID authentication standards and protocols.
OpenID Mobile Profile
El documento describe una reunión tecnológica sobre OpenID. La reunión incluirá presentaciones sobre temas relacionados con OpenID como autenticación y autorización. También habrá tiempo para preguntas y discusión.
More from Toru Yamaguchi (20)
OAuth 2.0 Web Messaging Response Mode - OpenID Summit Tokyo 2015
OAuth 2.0 Web Messaging Response Mode - OpenID Summit Tokyo 2015
Mobage Connect と Identity 関連技術への取り組み - OpenID Summit Tokyo 2015
Mobage Connect と Identity 関連技術への取り組み - OpenID Summit Tokyo 2015
Recently uploaded
Session 1 - Intro to Robotic Process Automation.pdf
👉 Check out our full 'Africa Series - Automation Student Developers (EN)' page to register for the full program:
https://bit.ly/Automation_Student_Kickstart
In this session, we shall introduce you to the world of automation, the UiPath Platform, and guide you on how to install and setup UiPath Studio on your Windows PC.
📕 Detailed agenda:
What is RPA? Benefits of RPA?
RPA Applications
The UiPath End-to-End Automation Platform
UiPath Studio CE Installation and Setup
💻 Extra training through UiPath Academy:
Introduction to Automation
UiPath Business Automation Platform
Explore automation development with UiPath Studio
👉 Register here for our upcoming Session 2 on June 20: Introduction to UiPath Studio Fundamentals: https://community.uipath.com/events/details/uipath-lagos-presents-session-2-introduction-to-uipath-studio-fundamentals/
Mutation Testing for Task-Oriented Chatbots
Conversational agents, or chatbots, are increasingly used to access all sorts of services using natural language. While open-domain chatbots - like ChatGPT - can converse on any topic, task-oriented chatbots - the focus of this paper - are designed for specific tasks, like booking a flight, obtaining customer support, or setting an appointment. Like any other software, task-oriented chatbots need to be properly tested, usually by defining and executing test scenarios (i.e., sequences of user-chatbot interactions). However, there is currently a lack of methods to quantify the completeness and strength of such test scenarios, which can lead to low-quality tests, and hence to buggy chatbots.
To fill this gap, we propose adapting mutation testing (MuT) for task-oriented chatbots. To this end, we introduce a set of mutation operators that emulate faults in chatbot designs, an architecture that enables MuT on chatbots built using heterogeneous technologies, and a practical realisation as an Eclipse plugin. Moreover, we evaluate the applicability, effectiveness and efficiency of our approach on open-source chatbots, with promising results.
What is an RPA CoE? Session 1 – CoE Vision
In the first session, we will review the organization's vision and how this has an impact on the COE Structure.
Topics covered:
• The role of a steering committee
• How do the organization’s priorities determine CoE Structure?
Speaker:
Chris Bolin, Senior Intelligent Automation Architect Anika Systems
Fueling AI with Great Data with Airbyte Webinar
This talk will focus on how to collect data from a variety of sources, leveraging this data for RAG and other GenAI use cases, and finally charting your course to productionalization.
The Microsoft 365 Migration Tutorial For Beginner.pptx
This presentation will help you understand the power of Microsoft 365. However, we have mentioned every productivity app included in Office 365. Additionally, we have suggested the migration situation related to Office 365 and how we can help you.
You can also read: https://www.systoolsgroup.com/updates/office-365-tenant-to-tenant-migration-step-by-step-complete-guide/
LF Energy Webinar: Carbon Data Specifications: Mechanisms to Improve Data Acc...
This LF Energy webinar took place June 20, 2024. It featured:
-Alex Thornton, LF Energy
-Hallie Cramer, Google
-Daniel Roesler, UtilityAPI
-Henry Richardson, WattTime
In response to the urgency and scale required to effectively address climate change, open source solutions offer significant potential for driving innovation and progress. Currently, there is a growing demand for standardization and interoperability in energy data and modeling. Open source standards and specifications within the energy sector can also alleviate challenges associated with data fragmentation, transparency, and accessibility. At the same time, it is crucial to consider privacy and security concerns throughout the development of open source platforms.
This webinar will delve into the motivations behind establishing LF Energy’s Carbon Data Specification Consortium. It will provide an overview of the draft specifications and the ongoing progress made by the respective working groups.
Three primary specifications will be discussed:
-Discovery and client registration, emphasizing transparent processes and secure and private access
-Customer data, centering around customer tariffs, bills, energy usage, and full consumption disclosure
-Power systems data, focusing on grid data, inclusive of transmission and distribution networks, generation, intergrid power flows, and market settlement data
Essentials of Automations: Exploring Attributes & Automation Parameters
Building automations in FME Flow can save time, money, and help businesses scale by eliminating data silos and providing data to stakeholders in real-time. One essential component to orchestrating complex automations is the use of attributes & automation parameters (both formerly known as “keys”). In fact, it’s unlikely you’ll ever build an Automation without using these components, but what exactly are they?
Attributes & automation parameters enable the automation author to pass data values from one automation component to the next. During this webinar, our FME Flow Specialists will cover leveraging the three types of these output attributes & parameters in FME Flow: Event, Custom, and Automation. As a bonus, they’ll also be making use of the Split-Merge Block functionality.
You’ll leave this webinar with a better understanding of how to maximize the potential of automations by making use of attributes & automation parameters, with the ultimate goal of setting your enterprise integration workflows up on autopilot.
Dandelion Hashtable: beyond billion requests per second on a commodity server
This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).
A Deep Dive into ScyllaDB's Architecture
This talk will cover ScyllaDB Architecture from the cluster-level view and zoom in on data distribution and internal node architecture. In the process, we will learn the secret sauce used to get ScyllaDB's high availability and superior performance. We will also touch on the upcoming changes to ScyllaDB architecture, moving to strongly consistent metadata and tablets.
5th LF Energy Power Grid Model Meet-up Slides
5th Power Grid Model Meet-up
It is with great pleasure that we extend to you an invitation to the 5th Power Grid Model Meet-up, scheduled for 6th June 2024. This event will adopt a hybrid format, allowing participants to join us either through an online Mircosoft Teams session or in person at TU/e located at Den Dolech 2, Eindhoven, Netherlands. The meet-up will be hosted by Eindhoven University of Technology (TU/e), a research university specializing in engineering science & technology.
Power Grid Model
The global energy transition is placing new and unprecedented demands on Distribution System Operators (DSOs). Alongside upgrades to grid capacity, processes such as digitization, capacity optimization, and congestion management are becoming vital for delivering reliable services.
Power Grid Model is an open source project from Linux Foundation Energy and provides a calculation engine that is increasingly essential for DSOs. It offers a standards-based foundation enabling real-time power systems analysis, simulations of electrical power grids, and sophisticated what-if analysis. In addition, it enables in-depth studies and analysis of the electrical power grid’s behavior and performance. This comprehensive model incorporates essential factors such as power generation capacity, electrical losses, voltage levels, power flows, and system stability.
Power Grid Model is currently being applied in a wide variety of use cases, including grid planning, expansion, reliability, and congestion studies. It can also help in analyzing the impact of renewable energy integration, assessing the effects of disturbances or faults, and developing strategies for grid control and optimization.
What to expect
For the upcoming meetup we are organizing, we have an exciting lineup of activities planned:
-Insightful presentations covering two practical applications of the Power Grid Model.
-An update on the latest advancements in Power Grid -Model technology during the first and second quarters of 2024.
-An interactive brainstorming session to discuss and propose new feature requests.
-An opportunity to connect with fellow Power Grid Model enthusiasts and users.
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
Folding is a recent technique for building efficient recursive SNARKs. Several elegant folding protocols have been proposed, such as Nova, Supernova, Hypernova, Protostar, and others. However, all of them rely on an additively homomorphic commitment scheme based on discrete log, and are therefore not post-quantum secure. In this work we present LatticeFold, the first lattice-based folding protocol based on the Module SIS problem. This folding protocol naturally leads to an efficient recursive lattice-based SNARK and an efficient PCD scheme. LatticeFold supports folding low-degree relations, such as R1CS, as well as high-degree relations, such as CCS. The key challenge is to construct a secure folding protocol that works with the Ajtai commitment scheme. The difficulty, is ensuring that extracted witnesses are low norm through many rounds of folding. We present a novel technique using the sumcheck protocol to ensure that extracted witnesses are always low norm no matter how many rounds of folding are used. Our evaluation of the final proof system suggests that it is as performant as Hypernova, while providing post-quantum security.
Paper Link: https://eprint.iacr.org/2024/257
Astute Business Solutions | Oracle Cloud Partner |
Your goto partner for Oracle Cloud, PeopleSoft, E-Business Suite, and Ellucian Banner. We are a firm specialized in managed services and consulting.
Apps Break Data
How information systems are built or acquired puts information, which is what they should be about, in a secondary place. Our language adapted accordingly, and we no longer talk about information systems but applications. Applications evolved in a way to break data into diverse fragments, tightly coupled with applications and expensive to integrate. The result is technical debt, which is re-paid by taking even bigger "loans", resulting in an ever-increasing technical debt. Software engineering and procurement practices work in sync with market forces to maintain this trend. This talk demonstrates how natural this situation is. The question is: can something be done to reverse the trend?
[OReilly Superstream] Occupy the Space: A grassroots guide to engineering (an...
The typical problem in product engineering is not bad strategy, so much as “no strategy”. This leads to confusion, lack of motivation, and incoherent action. The next time you look for a strategy and find an empty space, instead of waiting for it to be filled, I will show you how to fill it in yourself. If you’re wrong, it forces a correction. If you’re right, it helps create focus. I’ll share how I’ve approached this in the past, both what works and lessons for what didn’t work so well.
Choosing The Best AWS Service For Your Website + API.pptx
Have you ever been confused by the myriad of choices offered by AWS for hosting a website or an API?
Lambda, Elastic Beanstalk, Lightsail, Amplify, S3 (and more!) can each host websites + APIs. But which one should we choose?
Which one is cheapest? Which one is fastest? Which one will scale to meet our needs?
Join me in this session as we dive into each AWS hosting service to determine which one is best for your scenario and explain why!
GNSS spoofing via SDR (Criptored Talks 2024)
In the realm of cybersecurity, offensive security practices act as a critical shield. By simulating real-world attacks in a controlled environment, these techniques expose vulnerabilities before malicious actors can exploit them. This proactive approach allows manufacturers to identify and fix weaknesses, significantly enhancing system security.
This presentation delves into the development of a system designed to mimic Galileo's Open Service signal using software-defined radio (SDR) technology. We'll begin with a foundational overview of both Global Navigation Satellite Systems (GNSS) and the intricacies of digital signal processing.
The presentation culminates in a live demonstration. We'll showcase the manipulation of Galileo's Open Service pilot signal, simulating an attack on various software and hardware systems. This practical demonstration serves to highlight the potential consequences of unaddressed vulnerabilities, emphasizing the importance of offensive security practices in safeguarding critical infrastructure.
Recently uploaded (20)
Session 1 - Intro to Robotic Process Automation.pdf
Session 1 - Intro to Robotic Process Automation.pdf
9 CEO's who hit $100m ARR Share Their Top Growth Tactics Nathan Latka, Founde...
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Overcoming the PLG Trap: Lessons from Canva's Head of Sales & Head of EMEA Da...
Overcoming the PLG Trap: Lessons from Canva's Head of Sales & Head of EMEA Da...
Nordic Marketo Engage User Group_June 13_ 2024.pptx
Nordic Marketo Engage User Group_June 13_ 2024.pptx
The Microsoft 365 Migration Tutorial For Beginner.pptx
The Microsoft 365 Migration Tutorial For Beginner.pptx
LF Energy Webinar: Carbon Data Specifications: Mechanisms to Improve Data Acc...
LF Energy Webinar: Carbon Data Specifications: Mechanisms to Improve Data Acc...
Essentials of Automations: Exploring Attributes & Automation Parameters
Essentials of Automations: Exploring Attributes & Automation Parameters
Dandelion Hashtable: beyond billion requests per second on a commodity server
Dandelion Hashtable: beyond billion requests per second on a commodity server
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
Astute Business Solutions | Oracle Cloud Partner |
Astute Business Solutions | Oracle Cloud Partner |
[OReilly Superstream] Occupy the Space: A grassroots guide to engineering (an...
[OReilly Superstream] Occupy the Space: A grassroots guide to engineering (an...
Choosing The Best AWS Service For Your Website + API.pptx
Choosing The Best AWS Service For Your Website + API.pptx
Inside mbga Open Platform API architecture
- 12. Load Balancer Round Robin lighttpd lighttpd lighttpd web server web server web server fastcgi fastcgi fastcgi
- 26. app_install friend db people db db 1. viewer friend 2. friend memcached 3. 2. LIMIT, OFFSET ( )
- 31. Message feed Activity feed DeNA ( )
- 34. replication message db message db (master) (slave) 1. enqueue 3. insert message 6. select (Q4M) message cache memcached 2. queue_wait() (Q4M) 4. enqueue 5. queue_wait() 7. set cache message cache message worker worker