#http3

[daha-net]

İnternetin hızlı ve güvenli yüzü: HTTP/3! HTTP/3'ün ne olduğunu, nasıl çalıştığını ve neden önemli olduğunu öğrenin.

#dahanet #http #http3

[seanmonstar]

This Month in hyper: March 2023

The days are growing longer up here, and work to make hyper better and better continues onwards!

There was some particularly exciting releases, and a bunch of conversations had in March 2023.

hyper 1.0

Preparing users for upgrading to 1.0

One of the important parts of the hyper 1.0 polish period is making sure upgrading from 0.14 to 1.0 is as smooth as we can make it. hyper v0.14.25 is here to help. @kxt and @oddgrd backported the client and server APIs from 1.0, and added opt-in deprecation messages to help you be ready to upgrade. The deprecation warnings are meant to help you, not to annoy you.

You can enable them to see where you can start preparing your code now:

[dependencies] # besides whatever other features you've enabled... hyper = { verion = "0.14.25", features = ["backports", "deprecated"] }

RC4 discussions

We've been discussing how to wrap up the last couple of changes for 1.0, to put out an RC4 to bake some. We have some decent answers, and can get to work.

hyper's own Service trait will change from &mut self to &self. This better aligns with reality, as most services already need to share state behind some synchronization mechanism, and needing to &mut self in the method call doesn't help.

hyper will use its own IO traits with forwards-compatibility in mind. We want to be able to support both poll-based and completion-based (think epoll vs io-uring) IO models.

HTTP/3

We're working on HTTP/3 in a separate crate, h3, with the goal of fitting it into hyper.

reqwest includes experimental HTTP/3 support

With reqwest v0.11.15, you can try out HTTP/3, on the client side, in reqwest right now! It's currently experimental, which means a couple things: it might not work perfectly. Let us know! It also might be disabled in new patches, as we fiddle with it. Lastly, you need to more explicitly opt-in to the instability.

That means that besides enabling the http3 feature from your Cargo.toml, you also need to pass RUSTFLAGS="--cfg reqwest_unstable" to the compilation job.

Huge thanks to @kckeiks for integrating h3 into reqwest!

h3-quinn upgraded to Quinn 0.9

We found a way to upgrade h3-quinn, using stream::unfold and BoxStream.

The h3 crate tries to be generic over any QUIC implementation. The h3-quinn crate implements the h3::quic traits for the Quinn crate. The traits currently use poll-based methods (async function in traits isn't stable yet, and they also wouldn't allow polling multiple things at the same time). Newer Quinn embraced using async fn on its types, instead of returning named futures, which is very fair thing to do. But it did make it hard to figure out how to implement poll-based methods over async fns.

I realized we could do a async-move-dance to solve this. We make an async move block, moving in the type and awaiting the future, which then returns a tuple of the original type and the return value. @Ralith made the suggestion to use stream::unfold, which streamlines that pattern. Then @inflation quickly wrote it up, and we were able to upgrade to Quinn v0.9.

Contribute

Want to help us out? Even trying the new releases out and give us feedback is extremely useful. Of course, contributing reviews is a great help too. Come by and say hi!

#monthly #http3 #hyper #rust #rust-lang

[devsnews]

It is an interesting video to compare HTTP2 and HTTP3 performance. This video can give you a lot of good information.

#http #http2 #http3 #nginx #performance #benchmark

[macfeeling]

flano-yuki/http3-note: My HTTP/3 Note

#http3-note #http/3 #インターネット #ネットワーク #その他

[agapi-kalyptei]

Tuesday 192/2023

assorted thoughts:

(1) npmjs could revolutionize all the garbage bloatware cult of minimized websites redownloading 3MB of compressed garbage javascript every time a single byte changes - if we reverted to exposing open source packages as individual files. SPDY, QUIC, http2 and http3 have long solved the inefficiency of individual connections for fetching individual files; now if only npmjs would structure files as /node_modules/vendor/version/dist/ then with near-zero effort you could host these files with tremendous cache time, having petabytes of internet traffic over just a year.

(2) having, strangely, ran out of queue on my amazing sideblog (which used to post 3x/day and had 100+ posts), and having accrued 18+ days of queue on my main blog at the stable pace of 1 per day, I had to consider my words a lot more carefully. Tumblr is still my go-to brain fart platform, but I've been thinking about the old adage of "don't write in an email what you don't want to be printed on the front page of a newspaper". I'm hardly incognito here, and taking things out of context is the easiest thing.

While I don't qualify for any bi-polar diagnosis, I do have my hyperactive (or even hypomanic) periods, and making 10 dumb posts per day takes very little effort. Sure, some of them would be entertaining to one friend or another, most of them would be negligible amount of meh or cringe, and nobody (who knows me at all) would drastically change their opinion of me. Making most posts queued, and having to prioritize my brain farts and emotionally vulnerable posts and general thoughts about life, and wait a few weeks for them to be published is a... lesson in patience for sure. Maybe a lesson in moderation as well.

(3) The last batch of antidepressants was interesting. 500µg wasn't as shocking as most online guides would lead me to believe - I'm starting to think that Fi was right and I do have unusually high tolerance. The dose was enough for (dried) watercolor paintings to animate in front of my eyes, and some time later the distances between walls were pulsating a bit, but that's about it. A bit of blurry vision, a bit of startling realizations about just how poor and exploited we and our parents were in the 70s and 80s, in a communist country where opinions were not encouraged and police had a taste for power. But still good enough to make me love being alive, and push away the death wish for a while longer.

#caffeineposting #programming #personal #antidepressants #not queued ironically

[hackernewsrobot]

HTTP/2 and HTTP/3 explained

https://alexandrehtrb.github.io/posts/2024/03/http2-and-http3-explained/

[palefiregiantpersona]

HTTP/3 Is Now Enabled for All

https://wordpress.com/blog/2024/01/31/http3/?page_id=54454

View On WordPress

#HTTP 3 #WordPress

[onqueerstreet]

Bringing You a Faster, More Secure Web: HTTP/3 Is Now Enabled for All Automattic Services https://wordpress.com/blog/2024/01/31/http3/?utm_source=dlvr.it&utm_medium=tumblr

[kodecave]

A Guide to HTTP, HTTPS, and HTTP Status Codes

What is HTTP? The Evolution of HTTP: HTTP, HTTP2, and HTTP3 HTTP vs HTTP2 and HTTP2 vs HTTP3 The Importance of HTTPS HTTP status code List of HTTP status codes FAQ As a web user, you may have seen “HTTP” or “HTTPS” at the beginning of a URL, but do you know what these acronyms stand for and how they affect your browsing experience? Understanding these concepts and their corresponding…

View On WordPress

#HTTP #HTTPS

[writertrust]

Sequence diagram lucidchart

#Sequence diagram lucidchart install#

#Sequence diagram lucidchart drivers#

#Sequence diagram lucidchart update#

RAMEN sends messages via event stream, however, message acknowledgments are delivered by regular RPC requests every 30 seconds. The RAMEN protocol based on SSE that we built is unidirectional and the only streaming endpoint exposed to our clients.

Streamgate sends messages via the SSE endpoint and receives acknowledgement via the ack endpoint.

Whenever any Streamgate node starts or stops, it detects a change and re-allocates the sharding partitions.

Helix Controller, as the name suggests, is a five-node standalone service solely responsible for running Apache Helix Controller processes and is the brain of topology management.

StreamgateFE service acts as an Apache Helix ᵀᴹ Spectator and listens to topology changes from Apache ZooKeeper ᵀᴹ.

Redis®* and Apache Cassandra® are used for storing messages.

Streamgate service implements the RAMEN Protocol on Netty and has all the logic related to handling connections, messages, and storage.

Here is a quick overview of the client’s implementation:Īs a quick recap from part 1, here is how the server side has been implemented: This will help in understanding the changes that we made to enable gRPC at each layer.Įxisting SSE-based Architecture Client Side In this section we will talk about the reasons to move RAMEN ( Real-time Asynchronous MEssaging Network) from SSE (Server-Sent Events) to gRPC as the protocol for delivering messages.īefore jumping into that let’s have a quick look at how we built RAMEN using SSE as the underlying protocol. This blog post will cover how we changed our protocol from Server Sent Events (HTTP1.1) to gRPC-based bidirectional streaming (QUIC/HTTP3), the challenges we faced, the final results, and some key learnings. We use our push platform to deliver these messages that power the real-time user experiences as described in our previous post, which we strongly recommend that you review to learn about the details of the architecture before proceeding.

#Sequence diagram lucidchart drivers#

(See the below screenshot).Īfter generating the Class Diagram, you can export the same in various formats like png,gif,jpeg etc.In our last blog post we talked about how we went from polling for refreshing the app to a push-based flow to build our app experience.Īll our apps need to be synced with real-time information, whether it’s through pickup time, arrival time, and route lines on the screen, or nearby drivers when you open the app. After opening test.ucls file, you can drag and drop the java classes and plugin will automatically generate Class Diagram for you. Now you can see test.ucls file inside project src folder. Select the project source folder and provide file name for the UML Class DIagram (See the below screenshot). To create a new Class diagram select File > New > Other and select ObjectAid UML Diagram wizard (See the below screenshot). Generate Class Diagram Using Eclipse Plugin

#Sequence diagram lucidchart install#

Then select the ObjectAid class diagram plugin it is a free tool, Sequence diagram plugin requires a valid licence, click next and accept the license details, it will install the ObjectAid plugin for generating class diagramĪfter install, you can configure ObjectAid from eclipse, Window->Preferences->Java->ObjectAid->Class Diagram

#Sequence diagram lucidchart update#

You can install the ObjectAid UML Explorer Eclipse plugin using Eclipse update manager from the following linksįor Installing ObjectAid Plugin from eclipse, select Help-> Install New Software Then click add, then provide Name and Location according to the following screenshot

#Sequence diagram lucidchart

[seanmonstar]

This Month in hyper: February 2023

After recapping the 2022 year, here's what the amazing contributors have been doing to make hyper ever better during January and February of 2023.

Releases

hyper v0.14.24: fixes some expect-continue behavior, and reduces the internal max allocation in to_bytes.

h2 v0.3.16: adds a missing piece for Extended CONNECT, and several bug fixes (memory reduction, panics)

reqwest v0.11.14: adds Proxy::no_proxy(url) that works like the NO_PROXY environment variable, and several internal optimizations reducing copies and memory allocations.

tower-http v0.4.0: a new decompression layer for Requests, ServeDir and ServeFile now translates IO errors into Responses, and adds a more flexible ValidateRequest layer.

hyper 1.0

We released RC3, which fixed up some missing pieces in the API. Places needing an Executor now ask for one, and we added hyper::rt::bounds to publicly expose nameable but future-proof Executor trait "aliases", so libraries building on top of hyper can use them as bounds. We also added a few state getters for SendRequest which were needed for the next exciting part.

The higher-level pooling Client from 0.14.x has been ported to hyper-util. This was the most common blocker preventing people from trying out the release candidates. You can now use the legacy::Client with hyper 1.0.0-rc.3, and have the normal connecting/pooling client experience you're used to (see the example).

We're still in the hyper polish period 💅. There's still a little bit of time left to get us your feedback! It's the most important part of this period. Or join us in one of the four polish areas (or help lead one)! You can also come chat with us about anything.

We took some extra time to focus on RC4, which has the last few breaking changes to go. Likely, hyper will vendor it's own IO traits, and change Service::call to be &self instead of &mut self. See the related issues if you have feedback.

The extra time will also allow us to investigate having a security review done for 1.0, to prevent any gotchas.

HTTP/3

We're working on HTTP/3 in a separate crate, h3, with the goal of fitting it into hyper.

Within the next couple days, we'd like to publish a v0.0.1 to crates.io. The API likely will change in the very near future, but knowing exactly how requires allowing experimenters like reqwest to try it out.

#hyper #rust #rust-lang #monthly #http3

[hackgit]

[Media] ​​HTTP3-attacks (CVE-2022-30592)

​​HTTP3-attacks (CVE-2022-30592) The current repository serves the purpose of sharing the scripts we used for educational usage. These attacks were a part of our study, and were tested against 6 different QUIC-enabled servers (IIS, NGINX, LiteSpeed, Cloudflare, H2O, and Caddy) that were configured to communicate with HTTP/3. The http-stream script is the exploit of the CVE-2022-30592 issue that affected lsquic library. This script can also be exploited against Litespeed server. https://github.com/efchatz/HTTP3-attacks #cve

#cybersecurity #infosec #infosecurity #pentesting #bugbounty #hacking #hackers

[mi6-rogue]

Google Adds Support for DNS-over-HTTP/3 in Android to Keep DNS Queries Private

Google on Tuesday officially announced support for DNS-over-HTTP/3 (DoH3) for Android devices as part of a Google Play system update designed to keep DNS queries private. To that end, Android smartphones running Android 11 and higher are expected to use DoH3 instead of DNS-over-TLS (DoT), which was incorporated into the mobile operating system with Android 9.0. DoH3 is also an alternative to https://thehackernews.com/2022/07/google-adds-support-for-dns-over-http3.html?utm_source=dlvr.it&utm_medium=tumblr

[scsa]

http3-note @flano_yukiがHTTP/3について書きました。 2020/06/01 時点です。今後加筆されます。

GitHub - flano-yuki/http3-note: My HTTP/3 Note

[hackernewsrobot]

Investigating the impact of HTTP3 on network latency for search

https://dropbox.tech/frontend/investigating-the-impact-of-http3-on-network-latency-for-search Comments