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Filtered by: tcp Clear Filter

Universal Tool Calling Protocol (UTCP)

news.ycombinator.com Unknown 2025-10-30 14:56:03

Universal Tool Calling Protocol (UTCP) 1.0.1 Introduction The Universal Tool Calling Protocol (UTCP) is a modern, flexible, and scalable standard for defining and interacting with tools across a wide variety of communication protocols. UTCP 1.0.0 introduces a modular core with a plugin-based architecture, making it more extensible, testable, and easier to package. In contrast to other protocols, UTCP places a strong emphasis on: Scalability : UTCP is designed to handle a large number of tool

Topics: http optional required tool utcp
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Analysis of the GFW's Unconditional Port 443 Block on August 20, 2025

news.ycombinator.com Unknown 2025-11-05 03:27:29

1. Introduction Between approximately 00:34 and 01:48 (Beijing Time, UTC+8) on August 20, 2025, the Great Firewall of China (GFW) exhibited anomalous behavior by unconditionally injecting forged TCP RST+ACK packets to disrupt all connections on TCP port 443. This incident caused massive disruption of the Internet connections between China and the rest of the world (source1 and source2). This report documents our measurements and analysis of this temporary, widespread blocking event. Our primar

Topics: ack flags ip length tcp
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An Argument for Increasing TCP's Initial Congestion Window Again

news.ycombinator.com Unknown 2025-11-06 00:23:11

An Argument for Increasing TCP's Initial Congestion Window ... Again Published September 2, 2024 Introduction Google has a long history of performing networking research, making changes, and pushing those changes to the entire internet. In 2011, they published one of my favorite papers, which described their decision to increase the TCP initial congestion window from 1 to 10 on their entire infrastructure. This was soon followed by an RFC filed with the IETF, and eventually became an internet

Topics: congestion initial internet tcp window
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QUIC for the kernel

news.ycombinator.com Unknown 2025-12-11 04:57:32

QUIC for the kernel Ready to give LWN a try? With a subscription to LWN, you can stay current with what is happening in the Linux and free-software community and take advantage of subscriber-only site features. We are pleased to offer you a free trial subscription, no credit card required, so that you can see for yourself. Please, join us! The QUIC transport-layer network protocol is not exactly new; it was first covered here in 2013. Despite carrying a significant part of the traffic on the I

Topics: kernel protocol quic support tcp
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QUIC for the Kernel

news.ycombinator.com Unknown 2025-12-11 16:57:32

QUIC for the kernel The QUIC transport-layer network protocol is not exactly new; it was first covered here in 2013. Despite carrying a significant part of the traffic on the Internet, QUIC has been anything but quick when it comes to getting support into the Linux kernel. The pace might be picking up, though; Xin Long has posted the first set of patches intended to provide mainline support for this protocol. QUIC was created to address a number of problems that have been observed with TCP on

Topics: kernel protocol quic support tcp
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A 14kb page can load much faster than a 15kb page (2022)

news.ycombinator.com Unknown 2026-01-03 04:26:45

Why your website should be under 14kB in size Why your website should be under 14kB in size Having a smaller website makes it load faster — that's not surprising. What is surprising is that a 14kB page can load much faster than a 15kB page — maybe 612ms faster — while the difference between a 15kB and a 16kB page is trivial. This is because of the TCP slow start algorithm. This article will cover what that is, how it works, and why you should care. But first we'll quickly go over some of the

Topics: 14kb packets satellite server tcp
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Why your website should be under 14kB in size

news.ycombinator.com Unknown 2026-01-03 10:26:45

Why your website should be under 14kB in size Why your website should be under 14kB in size Having a smaller website makes it load faster — that's not surprising. What is surprising is that a 14kB page can load much faster than a 15kB page — maybe 612ms faster — while the difference between a 15kB and a 16kB page is trivial. This is because of the TCP slow start algorithm. This article will cover what that is, how it works, and why you should care. But first we'll quickly go over some of the

Topics: 14kb packets satellite server tcp
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TCP-in-UDP Solution (eBPF)

news.ycombinator.com Matthieu Baerts 2026-01-02 21:59:08

The MPTCP protocol is complex, mainly to be able to survive on the Internet where middleboxes such as NATs, firewalls, IDS or proxies can modify parts of the TCP packets. Worst case scenario, an MPTCP connection should fallback to “plain” TCP. Today, such fallbacks are rarer than before – probably because MPTCP has been used since 2013 on millions of Apple smartphones worldwide – but they can still exist, e.g. on some mobile networks using Performance Enhancing Proxies (PEPs) where MPTCP connect

Topics: checksum data packet tcp udp
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IEEE TCPP: 2025 Awards and Achievements in Parallel Processing

computer.org Enrique Quezada 2026-01-22 22:57:40

The Role of TCPP in Advancing Parallel Processing The Technical Community on Parallel Processing (TCPP) serves as a global platform dedicated to advancing research and education in parallel processing while also contributing to the development of technical standards in the field. It focuses on a range of topics related to the design, analysis, and implementation of parallel systems and solutions. This includes the design and analysis of parallel architectures, algorithms, and the development o

Topics: award computing contributions parallel tcpp
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Implementing fast TCP fingerprinting with eBPF

news.ycombinator.com Unknown 2026-02-13 06:59:26

In this article I want to document my journey implementing fast TCP fingerprinting in a golang webserver, using eBPF. Just to provide some background, TCP fingerprinting is one of the many techniques that can be used to detect unusual or identifying informations about a web request when implementing an anti-bot solution. This has been a hot topic lately, caused by the rising need to scrape the internet for human content to feeed to the LLMs. Implementing such a system offers interesting techn

Topics: client connection ebpf packet tcp
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