---
title: et cetera... a blog of bright ideas from ETC | Net3 Gateways
description: Net3 Gateways | Home to ideas, tips, interviews, news, views and all kinds of other stuff related to ETC, its products, customers, and the industry in general.
image: https://blog.etcconnect.com/hubfs/Logos%20-%20Icons%20-%20Design%20Elements/ETC_4c-1.png
---

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# Net3 Gateways

[![](https://blog.etcconnect.com/hubfs/Imported_Blog_Media/Sammy-explorer-2-700x500-3.png)](https://blog.etcconnect.com/2018/01/exploring-the-network-the-postman)

[Network](https://blog.etcconnect.com/tag/network)

### [Exploring the Network: The Postman](https://blog.etcconnect.com/2018/01/exploring-the-network-the-postman)

 By [Sam Smallman](https://blog.etcconnect.com/author/sam-smallman) 24-Jan-2018

To TCP, or not TCP, that is the question. Whether ‘tis nobler in the mind to suffer, suffer you shall not. In this recurring series, Sam Smallman will attempt to explain the transport layer and join the dots from forming an [OSC packe](https://blog.etcconnect.com/2017/08/exploring-the-network-osc-part-i)t, to understanding [addresses and subnets](https://blog.etcconnect.com/2017/11/exploring-the-network-the-address), to finally sending a...

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