New tools for production safety — Gradual deployments, Source maps, Rate Limiting, and new SDKs

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2024’s Developer Week is all about production readiness. On Monday. April 1, we announced that D1, Queues, Hyperdrive, and Workers Analytics Engine are ready for production scale and generally available. On Tuesday, April 2, we announced the same about our inference platform, Workers AI. And we’re not nearly done yet.

However, production readiness isn’t just about the scale and reliability of the services you build with. You also need tools to make changes safely and reliably. You depend not just on what Cloudflare provides, but on being able to precisely control and tailor how Cloudflare behaves to the needs of your application.

Today we are announcing five updates that put more power in your hands – Gradual Deployments, source mapped stack traces in Tail Workers, a new Rate Limiting API, brand-new API SDKs, and updates to Durable Objects – each built with mission-critical production services in mind. We build our own products using Workers, including Access, R2, KV, Waiting Room, Vectorize, Queues, Stream, and more. We rely on each of these Continue reading

What’s new with Cloudflare Media: updates for Calls, Stream, and Images

Our customers use Cloudflare Calls, Stream, and Images to build live, interactive, and real-time experiences for their users. We want to reduce friction by making it easier to get data into our products. This also means providing transparent pricing, so customers can be confident that costs make economic sense for their business, especially as they scale.

Today, we’re introducing four new improvements to help you build media applications with Cloudflare:

  • Cloudflare Calls is in open beta with transparent pricing
  • Cloudflare Stream has a Live Clipping API to let your viewers instantly clip from ongoing streams
  • Cloudflare Images has a pre-built upload widget that you can embed in your application to accept uploads from your users
  • Cloudflare Images lets you crop and resize images of people at scale with automatic face cropping

Build real-time video and audio applications with Cloudflare Calls

Cloudflare Calls is now in open beta, and you can activate it from your dashboard. Your usage will be free until May 15, 2024. Starting May 15, 2024, customers with a Calls subscription will receive the first terabyte each month for free, with any usage beyond that charged at $0.05 per real-time gigabyte. Additionally, there are no charges for Continue reading

Announcing Pages support for monorepos, wrangler.toml, database integrations and more!

Pages launched in 2021 with the goal of empowering developers to go seamlessly from idea to production. With built-in CI/CD, Preview Deployments, integration with GitHub and GitLab, and support for all the most popular JavaScript frameworks, Pages lets you build and deploy both static and full-stack apps globally to our network in seconds.

Pages has superpowers like these that Workers does not have, and vice versa. Today you have to choose upfront whether to build a Worker or a Pages project, even though the two products largely overlap. That’s why during 2023’s Developer Week, we started bringing both products together to give developers the benefit of the best of both worlds. And it’s why we announced that like Workers, Pages projects can now directly access bindings to Cloudflare services — using workerd under-the-hood — even when using the local development server provided by a full-stack framework like Astro, Next.js, Nuxt, Qwik, Remix, SolidStart, or SvelteKit. Today, we’re thrilled to be launching some new improvements to Pages that bring functionality previously restricted to Workers. Welcome to the stage: monorepos, wrangler.toml, new additions to Next.js support, and database integrations!

Pages now supports monorepos

Many Continue reading

Cloudflare Calls: millions of cascading trees all the way down

Following its initial announcement in September 2022, Cloudflare Calls is now in open beta and available in your Cloudflare Dashboard. Cloudflare Calls lets developers build real-time audio/video apps using WebRTC, and it abstracts away the complexity by turning the Cloudflare network into a singular SFU. In this post, we dig into how we make this possible.

WebRTC growing pains

WebRTC is the only way to send UDP traffic out of a web browser – everything else uses TCP.

As a developer, you need a UDP-based transport layer for applications demanding low latency and real-time feedback, such as audio/video conferencing and interactive gaming. This is because unlike WebSocket and other TCP-based solutions, UDP is not subject to head-of-line blocking, a frequent topic on the Cloudflare Blog.

When building a new video conferencing app, you typically start with a peer-to-peer web application using WebRTC, where clients exchange data directly. This approach is efficient for small-scale demos, but scalability issues arise as the number of participants increases. This is because the amount of data each client must transmit grows substantially, following an almost exponential increase relative to the number of participants, as each client needs to send data to n-1 other clients.

Continue reading

R2 adds event notifications, support for migrations from Google Cloud Storage, and an infrequent access storage tier

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We’re excited to announce three new features for Cloudflare R2, our zero egress fee object storage platform:

Event Notifications Open Beta

The lifecycle of data often doesn’t stop immediately after upload to an R2 bucket – event data may need to be transformed and loaded into a data warehouse, media files may need to go through a post-processing step, etc. We’re releasing event notifications for R2 in open beta to enable building applications and workflows driven by your changing data.

Event notifications work by sending messages to your queue each time there is a change to your data. These messages are then received by a consumer Worker where you can then define any subsequent action that needs to be taken.

To get started enabling event Continue reading

Improving Cloudflare Workers and D1 developer experience with Prisma ORM

Working with databases can be difficult. Developers face increasing data complexity and needs beyond simple create, read, update, and delete (CRUD) operations. Unfortunately, these issues also compound on themselves: developers have a harder time iterating in an increasingly complex environment. Cloudflare Workers and D1 help by reducing time spent managing infrastructure and deploying applications, and Prisma provides a great experience for your team to work and interact with data.  

Together, Cloudflare and Prisma make it easier than ever to deploy globally available apps with a focus on developer experience. To further that goal, Prisma Object Relational Mapper (ORM) now natively supports Cloudflare Workers and D1 in Preview. With version 5.12.0 of Prisma ORM you can now interact with your data stored in D1 from your Cloudflare Workers with the convenience of the Prisma Client API. Learn more and try it out now.

What is Prisma?

From writing to debugging, SQL queries take a long time and slow developer productivity. Even before writing queries, modeling tables can quickly become unwieldy, and migrating data is a nerve-wracking process. Prisma ORM looks to resolve all of these issues by providing an intuitive data modeling language, an automated migration workflow, and Continue reading

Data Anywhere with Pipelines, Event Notifications, and Workflows

Data is fundamental to any real-world application: the database storing your user data and inventory, the analytics tracking sales events and/or error rates, the object storage with your web assets and/or the Parquet files driving your data science team, and the vector database enabling semantic search or AI-powered recommendations for your users.

When we first announced Workers back in 2017, and then Workers KV, Cloudflare R2, and D1, it was obvious that the next big challenge to solve for developers would be in making it easier to ingest, store, and query the data needed to build scalable, full-stack applications.

To that end, as part of our quest to make building stateful, distributed-by-default applications even easier, we’re launching our new Event Notifications service; a preview of our upcoming streaming ingestion product, Pipelines; and a sneak peek into our take on durable execution, Workflows.

Event-based architectures

When you’re writing data — whether that’s new data, changing existing data, or deleting old data — you often want to trigger other, asynchronous work to run in response. That could be processing user-driven uploads, updating search indexes as the underlying data changes, or removing associated rows in your SQL database when Continue reading

How Picsart leverages Cloudflare’s Developer Platform to build globally performant services

Delivering great user experiences with a global user base can be challenging. While serving requests quickly when you start out in a local market is straightforward, doing so for a global audience is much more difficult. Why? Even under optimal conditions, you cannot be faster than the speed of light, which brings single data center solutions to their performance limits.

In this post, we will cover how Picsart improved the performance of one of its most critical services by moving from a centralized architecture to a globally distributed service built on Cloudflare. Our serverless compute platform, Workers, distributed throughout 310+ cities around the world, and our globally distributed Workers KV storage allowed them to improve their performance significantly and drive real business impact.

Success driven by data-driven insights

Picsart is one of the world’s largest digital creation platforms and a long-standing Cloudflare partner. At its core, an advanced tech stack powers its comprehensive features, including AI-driven photo and video editing tools and community-driven content sharing. With its infrastructure spanning across multiple cloud environments and on-prem deployments, Picsart is engineered to handle billions of daily requests from its huge mobile and web user base and API integrations. For over a Continue reading

EVPN Designs: VXLAN Leaf-and-Spine Fabric

In this series of blog posts, we’ll explore numerous routing protocol designs that can be used to implement EVPN-with-VXLAN L2VPNs in a leaf-and-spine data center fabric. Every design will come with a companion netlab topology you can use to create a lab and explore the behavior of leaf- and spine switches.

Our leaf-and-spine fabric will have four leaves and two spines (but feel free to adjust the lab topology fabric parameters to build larger fabrics). The fabric will provide layer-2 connectivity to orange and blue VLANs. Two hosts will be connected to each VLAN to check end-to-end connectivity.

Read more …

EVPN Designs: VXLAN Leaf-and-Spine Fabric

In this series of blog posts, we’ll explore numerous routing protocol designs that can be used to implement EVPN-with-VXLAN L2VPNs in a leaf-and-spine data center fabric. Every design will come with a companion netlab topology you can use to create a lab and explore the behavior of leaf- and spine switches.

Our leaf-and-spine fabric will have four leaves and two spines (but feel free to adjust the lab topology fabric parameters to build larger fabrics). The fabric will provide layer-2 connectivity to orange and blue VLANs. Two hosts will be connected to each VLAN to check end-to-end connectivity.

Read more …

1000BASE-T Part 3 – Autonegotiation

In this post, we’ll take a closer look at auto negotiation. Auto negotiation has the following characteristics:

  • It is required to be supported.
  • Transmits capabilities for speed/duplex.
  • Negotiates Energy Efficient Ethernet (EEE) capabilities.
  • Determines the leader/follower relationship on the link.
  • Needed for PHY Control, a PMA subfunction.
  • Performed when initializing the link.
  • Auto-MDIX.

The Auto Negotiation transmitter and receiver is actually a separate system in its own right.  In multi-speed PHY devices, auto negotiation is used to select the highest speed that both sides of the link are capable of, before the link is trained.  However, it is important to understand that auto negotiation is not optional to be supported, but the standard does not require it to be implemented (thanks to Eric Peterson for clarifying this). A leader and follower must be decided so that clock synchronization can take place. Without auto negotiation, this would have to be manually configured. On some devices it is possible to configure speed on 1000BASE-T interface. However, this does normally not disable auto negotation, but rather limit what capabilities get advertised.

Auto negotiation is performed using Fast Link Pulses (FLP). Historically, 10BASE-T used Link Test Pulse (LTP) to verify the integrity Continue reading

Continuing our work with CISA and the Joint Cyber Defense Collaborative to keep vulnerable communities secure online

Internet security and reliability has become deeply personal. This holds true for many of us, but especially those who work with vulnerable communities, political dissidents, journalists in authoritarian nations, or human rights advocates. The threats they face, both in the physical world and online, are steadily increasing.

At Cloudflare, our mission is to help build a better Internet. With many of our Impact projects, which protect a range of vulnerable voices from civil society, journalists, state and local governments that run elections, political campaigns, political parties, community networks, and more, we’ve learned how to keep these important groups secure online. But, we can’t do it alone. Collaboration and sharing of best practices with multiple stakeholders to get the right tools into the groups that need them is essential in democratizing access to powerful security tools.

Civil society has historically been the voice for sharing information about attacks that target vulnerable communities, both online and offline. In the last few years, we see governments increasingly appreciating how cyberattacks affect vulnerable voices and make an effort to identify the risks to these communities, and the resources available to protect them.

In March 2023, the US government launched the Summit for Democracy Continue reading

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