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title: Ten Years of ITNOG « ipSpace.net blog | daily.dev
description: A personal recap of ITNOG 10, the 10th edition of the Italian Network Operators Group conference held in Bologna. Highlights include a novel dual-track...
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# Ten Years of ITNOG « ipSpace.net blog

**[ipSpace.net Blog](https://daily.dev/sources/ipspace)** · 4 min read · 0 upvotes · 0 comments

## Summary

A personal recap of ITNOG 10, the 10th edition of the Italian Network Operators Group conference held in Bologna. Highlights include a novel dual-track presentation format with headphones, and notable talks covering VXLAN over 5G for layer-2 wholesale services, EVPN/VXLAN Group-Based Policy for microsegmentation using a little-known RFC, BGP AddPath and Optimal Route Reflection optimizations handling 26 million paths, Hollow Core Fibre technology offering 30% latency reduction, and ntopng traffic observability with BGP integration. Minor drawbacks noted: most presentations were in Italian, and vendor AI-washing was present but easy to avoid.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.ipspace.net/2026/04/itnog-10>

## Questions this post answers

### What is EVPN/VXLAN Group-Based Policy and how does it enable microsegmentation?

EVPN/VXLAN Group-Based Policy uses 16 bits in the VXLAN header as a security group identifier, combined with a BGP community added to EVPN routes to automatically map EVPN destinations to those security groups. This RFC-defined but barely-known mechanism enables microsegmentation and service insertion without requiring additional overlay infrastructure.

_Network engineers implementing EVPN microsegmentation track developments like this on daily.dev._

### What technologies can a BGP route reflector use to handle tens of millions of paths efficiently?

A BGP route reflector can scale to 26 million paths by combining BGP AddPath, BGP Optimal Route Reflection, RIB sharding, update threading, and prefix prioritization for faster dissemination. Running as VMs on commodity hardware rather than vendor-locked appliances also helps. Nokia SROS is noted as an alternative to Junos when RIB sharding with SRv6 is required, as Junos does not implement that combination.

_Engineers scaling BGP infrastructure find discussions on route reflector trade-offs on daily.dev._

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---

Tags: [#bgp](https://daily.dev/tags/bgp), [#evpn](https://daily.dev/tags/evpn), [#networking](https://daily.dev/tags/networking)

[View this post on daily.dev](https://daily.dev/posts/ten-years-of-itnog-ipspace-net-blog-ehwukq1qp)

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