The Netflix TechBlog

APRIL 8, 2025

By Cheng Xie , Bryan Shultz , and Christine Xu In a previous blog post , we described how Netflix uses eBPF to capture TCP flow logs at scale for enhanced network insights. To minimize cross-region traffic, the broadcasting mechanism is limited to FlowCollector nodes within the same region.

AWS 168

AWS Traffic Network Programming 168

Dynatrace

JANUARY 21, 2025

For example, if you’re monitoring network traffic and the average over the past 7 days is 500 Mbps, the threshold will adapt to this baseline. An anomaly will be identified if traffic suddenly drops below 200 Mbps or above 800 Mbps, helping you identify unusual spikes or drops.

Traffic 262

Traffic Metrics Analytics Monitoring 262

DZone

FEBRUARY 6, 2025

We have developed a microservices architecture platform that encounters sporadic system failures when faced with heavy traffic events.

Engineering 173

Engineering Traffic Architecture Network 173

DZone

SEPTEMBER 30, 2024

What Is Network Sniffing? Sniffing includes the passive interception of data packets crossing a network with further analysis. Initially, sniffing was developed to help network administrators troubleshoot connectivity problems, and since then, it has evolved into an important technique of network management and security testing.

Network 173

Network Traffic Software Software 173

Dynatrace

NOVEMBER 24, 2021

Quick and easy network infrastructure monitoring. Begin network monitoring by simply deploying an extension with just a few clicks. The topology model for network devices covers simple to complex use cases from visualizing the interfaces of a router to mapping an F5 Big-IP LTM load balancer. Start monitoring in minutes.

Network 246

Network Infrastructure Virtualization Metrics 246

DZone

APRIL 7, 2021

When 54 percent of the internet traffic share is accounted for by Mobile , it's certainly nontrivial to acknowledge how your app can make a difference to that of the competitor! Introduction.

Network 200

Network Performance Cache Internet 200

The Netflix TechBlog

APRIL 20, 2020

How Netflix brings safer and faster streaming experience to the living room on crowded networks using TLS 1.3 We want playback to start instantly and to never stop unexpectedly in any network environment. for streaming traffic. Therefore, it requires more messages to perform a handshake and two network round trips.

Network 245

Network Media Transportation Traffic 245

Dynatrace

DECEMBER 2, 2024

This enables proactive changes such as resource autoscaling, traffic shifting, or preventative rollbacks of bad code deployment ahead of time. Get to the root cause of issues Most AI today uses machine learning models like neural networks that find correlations and make predictions based on them.

Artificial Intelligence 258

Artificial Intelligence DevOps Architecture Cloud 258

Scalegrid

FEBRUARY 24, 2025

Scaling RabbitMQ ensures your system can handle growing traffic and maintain high performance. Optimizing RabbitMQ performance through strategies such as keeping queues short, enabling lazy queues, and monitoring health checks is essential for maintaining system efficiency and effectively managing high traffic loads.

Best Practices 147

Best Practices Traffic Strategy Scalability 147

DZone

SEPTEMBER 14, 2023

With the advent of cloud computing, managing network traffic and ensuring optimal performance have become critical aspects of system architecture. Amazon Web Services (AWS), a leading cloud service provider, offers a suite of load balancers to manage network traffic effectively for applications running on its platform.

AWS 264

AWS Traffic Network Architecture 264

DZone

APRIL 4, 2023

Service meshes are becoming increasingly popular in cloud-native applications as they provide a way to manage network traffic between microservices. It offers several features, including: Prioritized load shedding: Drops traffic that is deemed less important to ensure that the most critical traffic is served.

Traffic 274

Traffic Network Architecture Monitoring 274

The Netflix TechBlog

MAY 26, 2020

Without having network visibility, it’s not possible to improve our reliability, security and capacity posture. Network Availability: The expected continued growth of our ecosystem makes it difficult to understand our network bottlenecks and potential limits we may be reaching. 43416 5001 52.213.180.42 43416 5001 52.213.180.42

Network 154

Network Tuning AWS Traffic 154

DZone

MARCH 2, 2023

In the past 15+ years, online video traffic has experienced a dramatic boom utterly unmatched by any other form of content. It must be said that this video traffic phenomenon primarily owes itself to modernizations in the scalability of streaming infrastructure, which simply weren’t present fifteen years ago.

Social Media 281

Social Media Java Traffic Internet 281

Dynatrace

AUGUST 8, 2024

They may stem from software bugs, cyberattacks, surges in demand, issues with backup processes, network problems, or human errors. Possible scenarios A Distributed Denial of Service (DDoS) attack overwhelms servers with traffic, making a website or service unavailable.

Software 290

Software Software Infrastructure Network 290

DZone

SEPTEMBER 29, 2021

For example, you can monitor the behavior of your applications, the hardware usage of your server nodes, or even the network traffic between servers. And there are a lot of monitoring tools available providing all kinds of features and concepts.

Monitoring 312

Monitoring Servers Hardware Open Source 312

Dynatrace

MAY 21, 2021

This becomes even more challenging when the application receives heavy traffic, because a single microservice might become overwhelmed if it receives too many requests too quickly. A service mesh enables DevOps teams to manage their networking and security policies through code. Why do you need a service mesh?

Traffic 279

Traffic DevOps Infrastructure Network 279

DZone

DECEMBER 11, 2023

This open-source software, lauded for its reliability and high performance, is a vital tool in the arsenal of network administrators, adept at managing web traffic across diverse server environments. When traffic to a website or application increases, HAProxy can seamlessly bring more servers online to handle the load.

Servers 263

Servers Traffic Open Source Games 263

The Netflix TechBlog

JUNE 14, 2023

The control group’s traffic utilized the legacy Falcor stack, while the experiment population leveraged the new GraphQL client and was directed to the GraphQL Shim. This helped us successfully migrate 100% of the traffic on the mobile homepage canvas to GraphQL in 6 months. After validating performance, we slowly built up scope.

Traffic 357

Traffic Latency Cache Metrics 357

DZone

JULY 8, 2023

Envoy proxy, the data plane of Istio service mesh, is used for handling east-west traffic ( service-to-service communication within a data center). However, to make Istio manage a network of multicloud applications, Envoy was configured as a sidecar proxy for handling north-south traffic (traffic in and out of data centers).

Traffic 257

Traffic Network Development 257

DZone

JANUARY 14, 2023

Improving 4G Networks Traffic Distribution With Anomaly Detection Previous generations of cellular networks were not very efficient with the distribution of network resources, providing coverage evenly for all territories all the time.

Network 130

Network Artificial Intelligence Transportation Retail 130

Dynatrace

JUNE 25, 2020

The network latency between cluster nodes should be around 10 ms or less. Minimized cross-data center network traffic. For Premium HA, this has been extended from 10 ms latency (in the same network region) to around 100 ms network latency due to asynchronous data replication between regions.

Availability 264

Availability Hardware Latency Traffic 264

Dynatrace

JUNE 5, 2023

The F5 BIG-IP Local Traffic Manager (LTM) is an application delivery controller (ADC) that ensures the availability, security, and optimal performance of network traffic flows. Detect and respond to security threats like DDoS attacks or web application attacks by monitoring application traffic and logs.

Traffic 246

Traffic Virtualization Metrics Monitoring 246

Dynatrace

SEPTEMBER 29, 2021

This opens the door to auto-scalable applications, which effortlessly matches the demands of rapidly growing and varying user traffic. Containers can be replicated or deleted on the fly to meet varying end-user traffic. Networking. In production, containers are easy to replicate. What is Docker?

Open Source 334

Open Source DevOps Traffic Cloud 334

Dynatrace

APRIL 16, 2020

To accomplish this, Davis continuously analyzed over 28 billion dependencies, identifying a slowdown on the Citrix StoreFront service as the root-cause of the degradation and highlighted the network and threading issues down to the method-level (figure 4). Dynatrace’s ease of use has also been a major factor in the successes so far.

Traffic 280

Traffic Government Database Network 280

DZone

SEPTEMBER 13, 2021

If you sniff the traffic, you don't get any network data. Data is ubiquitous. Shiny from R Studio helps to build interactive web applications from R. But, performance testing is a little tricky. If you are working on Shiny apps performance testing, then this blog article is for you.

Testing 276

Testing Performance Testing Traffic Network 276

Dynatrace

MARCH 31, 2025

In our Dynatrace Dashboard tutorial, we want to add a chart that shows the bytes in and out per host over time to enhance visibility into network traffic. By tracking these metrics, we can identify any unusual spikes or drops in network activity, which might indicate performance issues or bottlenecks. Expand the Trend section.

Metrics 147

Metrics Infrastructure Network Best Practices 147

Dynatrace

JULY 2, 2024

Analyze network flow logs Last but not least, your network logs are the ultimate source of data. Using the VPC flow log default pattern available in DPL Architect, we can extract the meaningful fields to see only the network traffic targeting the SSH port.

AWS 276

AWS Network Traffic Servers 276

Dynatrace

JULY 15, 2024

These include traditional on-premises network devices and servers for infrastructure applications like databases, websites, or email. A local endpoint in a protected network or DMZ is required to capture these messages. The key to success is making data in this complex ecosystem actionable, as many types of syslog producers exist.

Infrastructure 278

Infrastructure Network Azure Monitoring 278

Dynatrace

APRIL 2, 2020

For two decades, Dynatrace NAM—Network Application Monitoring, formerly known as DC RUM—has been successfully monitoring the user experience of our customers’ enterprise applications. SNMP managed the costs of network links well, but not the sources of those costs (i.e., Dynatrace news. Performance has always mattered.

Network 221

Network Traffic Monitoring Java 221

DZone

AUGUST 10, 2022

It has been described as the protocol that “makes the Internet work” because it plays such an important role in allowing traffic to move quickly and efficiently. BGP provides network stability as it guarantees routers can rapidly adapt to send packets via a different connection if one Internet pathway goes down.

Network 130

Network Engineering Internet Internet 130

Dynatrace

SEPTEMBER 7, 2022

VPC Flow Logs is an Amazon service that enables IT pros to capture information about the IP traffic that traverses network interfaces in a virtual private cloud, or VPC. By default, each record captures a network internet protocol (IP), a destination, and the source of the traffic flow that occurs within your environment.

Traffic 246

Traffic AWS Network Cloud 246

Dynatrace

DECEMBER 9, 2020

With Dynatrace OneAgent you also benefit from support for traffic routing and traffic control. OneAgent implements network zones to create traffic routing rules and limit cross data-center traffic. Upgrade OpenTracing instrumentation with high-fidelity data provided by OneAgent.

Java 264

Java Traffic Architecture Strategy 264

DZone

OCTOBER 27, 2023

Understanding Service Mesh A service mesh is essentially the invisible backbone of a network, connecting and empowering the various components of a microservices ecosystem. It comprises a suite of capabilities, such as managing traffic, enabling service discovery, enhancing security, ensuring observability, and fortifying resilience.

Traffic 240

Traffic Best Practices Architecture Network 240

Dynatrace

MARCH 22, 2021

As a Network Engineer, you need to ensure the operational functionality, availability, efficiency, backup/recovery, and security of your company’s network. Exceeded throughput levels can be a sign that some changes to the network configuration might be required. Synthetic network monitoring. Events and alerts.

Metrics 246

Metrics Network Infrastructure Traffic 246

The Netflix TechBlog

FEBRUARY 18, 2022

We thus assigned a priority to each use case and sharded event traffic by routing to priority-specific queues and the corresponding event processing clusters. This separation allows us to tune system configuration and scaling policies independently for different event priorities and traffic patterns.

Systems 334

Systems Traffic Architecture Mobile 334

Dynatrace

JULY 25, 2022

This new service enhances the user visibility of network details with direct delivery of Flow Logs for Transit Gateway to your desired endpoint via Amazon Simple Storage Service (S3) bucket or Amazon CloudWatch Logs. AWS Transit Gateway is a service offering from Amazon Web Services that connects network resources via a centralized hub.

AWS 246

AWS Transportation Network Traffic 246

Dynatrace

MAY 6, 2020

Over the last two month s, w e’ve monito red key sites and applications across industries that have been receiving surges in traffic , including government, health insurance, retail, banking, and media. The following day, a normally mundane Wednesday , traffic soared to 128,000 sessions. Media p erformance .

Website 278

Website Monitoring Retail Media 278