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Ask HN: Outstanding packets calculation in Go-Back-N ARQ when ACK lost?

1•shivajikobardan•8h ago
https://imgur.com/a/ENjOgBG

Assume window size=3.

Assume ACK#3(i.e. for the packet#2) is lost.

Now how many outstanding packets can transmitter send?

I mean, can it send pkt#3,pkt#4,pkt#5? What determines it?

Show HN: BJH OS – A Free Open-Source Operating System That Runs in Browser

https://github.com/Haris16-code/BJH-OS
1•Haris18•37s ago•0 comments

Aegra - Open Source LangGraph Platform Alternative

https://github.com/ibbybuilds/aegra
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Sexual Intercourse-Related Injuries

https://reference.medscape.com/viewarticle/fast-five-quiz-can-you-answer-these-user-requested-que...
1•wjb3•2m ago•0 comments

Garlic Is as Good as Ten Mothers

https://en.wikipedia.org/wiki/Garlic_Is_as_Good_as_Ten_Mothers
1•leoh•5m ago•1 comments

Copilot Usage Report 2025

https://microsoft.ai/news/its-about-time-the-copilot-usage-report-2025/
2•samspenc•7m ago•0 comments

Human brains light up unexpectedly for chimp voices

https://elifesciences.org/reviewed-preprints/108795v1
1•stevenjgarner•7m ago•1 comments

Most of What You Read on the Internet Is Written by Insane People (2018)

https://old.reddit.com/r/slatestarcodex/comments/9rvroo/most_of_what_you_read_on_the_internet_is_...
2•sph•11m ago•0 comments

Cable channel subscribers grew in 8 years last quarter

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1•Bender•12m ago•1 comments

A new open AI coding model is closing in on proprietary options

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1•Bender•12m ago•0 comments

After NPR and PBS defunding, FCC receives call to take away station licenses

https://arstechnica.com/tech-policy/2025/12/conservative-attacks-on-npr-and-pbs-continue-with-cal...
3•Bender•13m ago•0 comments

Towards an Implementation-Independent Interface for Semantic Web in Prolog [pdf]

https://github.com/Kiyoshi364/static-memory/blob/main/talks/Towards_an_Implementation-Independent...
1•triska•14m ago•0 comments

Songs of Syx is a fantasy city-builder with battles simulating

https://store.steampowered.com/app/1162750/Songs_of_Syx/
1•doener•14m ago•0 comments

How to Read a Book

https://en.wikipedia.org/wiki/How_to_Read_a_Book
1•tosh•14m ago•0 comments

Electron-phonon crystal interactions found quantized by a fundamental constant

https://phys.org/news/2025-12-electron-phonon-interactions-crystals-quantized.html
1•stevenjgarner•15m ago•1 comments

USA seizes oil tanker off Venezuelan coast

https://www.cnn.com/2025/12/10/politics/oil-tanker-seized-venezuela
1•1970-01-01•15m ago•1 comments

Show HN: CoverSEO – AI-powered keyword discovery using real SEO data

https://coverseo.com
1•drdruide•16m ago•0 comments

New Brain Maps Show How Chemical Tags Change and Link to Disease

https://www.nature.com/articles/s41593-025-02112-z
1•stevenjgarner•18m ago•1 comments

The future for women investors is in danger

https://www.fastcompany.com/91443693/women-investors-venture-capital-founders-fund-tech
1•simonebrunozzi•19m ago•1 comments

Rubio bans Calibri font at State Department for being too DEI

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3•andrewstetsenko•19m ago•1 comments

Vibe Coding Is Good Enough

https://www.theregister.com/2025/12/10/vibe_coding_is_good_enough/
1•mpesce•24m ago•1 comments

Show HN: Real-time app-specific metrics via simple HTTP POST

1•nishimoo•27m ago•0 comments

Lessons learned from studying Fizzy test suite

https://testdrivingrails.com/blog/fizzy-test-suite
1•strzibny•28m ago•0 comments

U.S. may require Dutch travelers to share 5 yrs of social media to enter country

https://nltimes.nl/2025/12/10/us-may-require-dutch-travelers-share-5-years-social-media-enter-cou...
1•TechTechTech•29m ago•1 comments

Useful patterns for building HTML tools

https://simonwillison.net/2025/Dec/10/html-tools/
1•simonw•30m ago•0 comments

Google rolling out Android Emergency Live Video sharing

https://9to5google.com/2025/12/10/android-emergency-live-video/
1•methuselah_in•30m ago•0 comments

Why America Is Winning the Carbon Capture Race

https://oilprice.com/Energy/Energy-General/Why-America-Is-Winning-the-Carbon-Capture-Race.html
1•PaulHoule•31m ago•0 comments

DHH and Open Source

https://ma.tt/2025/12/dhh-open-source/
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AI Turns the Firehose into a Funnel

https://www.niemanlab.org/2025/12/ai-turns-the-firehose-into-a-funnel/
2•speckx•32m ago•0 comments

I miss the old Qasar, not the new Qasar

https://qy.co/writings/newqasar/
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Streaming Comes into the Fold – IBM Confluent Acquisition Analysis

https://tomtunguz.com/ibm-confluent-acquisition-analysis/
1•nowflux•34m ago•1 comments