The Netflix TechBlog

FEBRUARY 9, 2021

enum Source { NONE = 0 ; COOKIE = 1 ; COOKIE_INSECURE = 2; MSL = 3 ; PARTNER_TOKEN = 4 ; … } enum PassportAuthenticationLevel { LOW = 1 ; // untrusted transport HIGH = 2 ; // secure tokens over TLS HIGHEST = 3 ; // MSL or user credentials } Downstream applications can use these values to make Authorization and/or user experience decisions.

Architecture 221

Architecture Latency Servers Website 221

All Things Distributed

APRIL 4, 2017

This enables customers to serve content to their end users with low latency, giving them the best application experience. In 2011, AWS opened a Point of Presence (PoP) in Stockholm to enable customers to serve content to their end users with low latency. As well as AWS Regions, we also have 24 AWS Edge Network Locations in Europe.

AWS 117

AWS Airlines Latency Games 117

The Morning Paper

MAY 19, 2019

Last week we learned about the [increased tail-latency sensitivity of microservices based applications with high RPC fan-outs. Seer uses estimates of queue depths to mitigate latency spikes on the order of 10-100ms, in conjunction with a cluster manager. So what we have here is a glimpse of the limits for low-latency RPCs under load.

Latency 80

Latency Hardware Network Architecture 80

John McCalpin

AUGUST 1, 2018

This will typically include environment variables that can influence the behavior of the MPI runtime, and might include environment variables that can influence the behavior of the lower-level shared-memory transport and/or network hardware interfaces. The processor hardware available to support shared-memory transport.

Hardware 40

Hardware Transportation Performance Latency 40

O'Reilly Software

MARCH 7, 2018

Software today is not typically a single program—something that is executed by an operator or user, producing a result to that person—but rather a service : something that runs for the benefit of its consumers, a provider of value. enum Transport {. Let’s dive into this concept for a bit. The most common programming task in the world.

Transportation 72

Transportation Java Programming Architecture 72

Smashing Magazine

AUGUST 22, 2021

Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Latency can be roughly defined as the time it takes to send a packet from point A (say, the client) to point B (the server). Two-way latency is often called round-trip time (RTT).

Performance 105

Performance Network Latency Servers 105

Sutter's Mill

JUNE 21, 2012

One of the slides I omitted to shorten this version of the talk highlighted that there are actually two issues when you go from “Disjoint (tightly coupled)” to “Disjoint (loosely coupled)”: reliability and latency , and both are important. (I I also mentioned this in the original WttJ article this is based on; just search for “reliability.”).

Latency 40

Latency Transportation Hardware Education 40

Smashing Magazine

SEPTEMBER 6, 2021

Finally, not inlining resources has an added latency cost because the file needs to be requested. As such, many firewall vendors currently recommend blocking QUIC until they can update their software. First, in part 1 , we discussed that HTTP/3 was needed mainly because of the new underlying QUIC transport protocol.

Network 104

Network Servers Cache Traffic 104

Testsigma

FEBRUARY 12, 2021

The implementation of emerging technologies has helped improve the process of software development, testing, design and deployment. Any organization recruits experienced testing agencies to comply with their specifications for software testing. Here is the list of software testing trends you need to look out for in 2021.

Artificial Intelligence 92

Artificial Intelligence Software Software IoT 92

Smashing Magazine

JANUARY 11, 2021

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Designed for the modern web, it responds to actual congestion, rather than packet loss like TCP does, it is significantly faster , with higher throughput and lower latency — and the algorithm works differently.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Designed for the modern web, it responds to actual congestion, rather than packet loss like TCP does, it is significantly faster , with higher throughput and lower latency — and the algorithm works differently.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. Ah, and don’t use JPEG-XR on the web — "the processing of decoding JPEG-XRs software-side on the CPU nullifies and even outweighs the potentially positive impact of byte size savings, especially in the context of SPAs".

Performance 103

Performance Cache Metrics Network 103