NANOG 90 Agenda

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The NANOG 90 Hackathon will focus on Problem Solving/Troubleshooting competitions.
During this Hackathon, teams will collaborate to solve the posed problems.
Scoring will be based on network reachability and how fast you solve the problems. Prizes will be provided to the top finishers.

Utilizing collaboration services from Zoom and Slack and lab infrastructure consisting of virtualized devices from several vendors, Hackathon participants can work individually or self-organize into teams to work on the problems provided or software passion projects.

To learn more or register visit https://nanog.org/events/nanog-90-hackathon/

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The Women in Tech Mixer welcomes all attendees that identify as female and/or with she/her pronouns for an afternoon of networking with other fellow community members with light fare and drinks.

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Sunday, 11 February 2024

Event: Self-Hosted Social
Sponsor: London Internet Exchange (LINX)
Co-sponsors: Nokia, Epsilon

Time: 6:00pm - 11:00pm (Showing Superbowl at 6:30pm)
Location: CJ’s Bar at Le Méridien Hotel 555 South McDowell Street
Charlotte, North Carolina 28204

RSVP Required: https://linx.swoogo.com/NANOGSundaySocial

*NANOG Badge required for entry

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Location: Le Méridien lobby to meet, then Pearl Street Park
Come learn to play pickleball! All levels are welcome.

Coach Walt, Coach Louie, and Louie’s Hat will teach beginner pickleball. We will cover the rules and basic mechanics of serving, returning, and volleying as needed. There will be additional advice on strategy, and offensive and defensive shots: both execution and defense. Then we will have time for some fun matches!

We will be playing at nearby Pearl Street Park at 6:45-9:15 AM on Monday, Tuesday, and Wednesday mornings, weather permitting. We will meet at the hotel lobby at 6:15-6:30 AM to get to the courts by 6:45 AM.

Paddles & balls will be provided. Dress in comfortable clothes and shoes for sports. It will be chilly in the morning. Bring a water bottle and your paddle if you have one. Sunglasses, a cap or visor would also be advised.

Fill out the sign up sheet at https://forms.gle/qqcWWQ2KPvFFd6XM7 to help us gauge interest, but feel free to come drop in either way!

Keep up with the latest information via email at [email protected] (subscribe here: https://mailman.nanog.org/mailman/listinfo/pickleball) and the Unofficial NANOG Pickleball group on Facebook.

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The Members Meeting agenda and link to the webinar details are available for Members only. You MUST be signed in with your NANOG Profile account to view the Members Meeting Agenda page. Please bring (or share via email) any questions you would like to discuss at the meeting.

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North Carolina boasts a rich legacy in computer science and communications, contributing to the evolution of the Internet. This progress was bolstered by the presence of three major research universities in close proximity, fostering an environment ripe for innovation and early developments in Internet technology. While the trajectory of Internet service and adoption shares similarities with other regions, North Carolina's unique story encompasses both shared experiences and distinctive firsthand narratives detailing the uneven progress of the Internet's early days. This presentation will delve into these facets, exploring key developments and personal anecdotes that shaped the state's Internet landscape.

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The modern AI data center workloads bring new requirements and design best practices for the network infrastructure. This session will present the new GPU to GPU connect training cluster and inference fabric design options. The session will cover fabric-level load balancing aspects, ROCEv2/DCQCN, and DC fabric traffic engineering.

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Neurodiversity refers to the natural variations in human brain function and behavior within the population. In recent years, there has been a growing recognition of the value of neurodiversity in the workplace. This talk will explore the benefits of embracing neurodiversity in the workplace and provide practical strategies for promoting inclusivity and supporting the needs of neurodivergent employees. Topics will include accommodation and accessibility, communication, and leadership. The talk will draw on real-world examples and personal experience to provide an overview of the subject to help create a more inclusive and diverse workplace.

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Is spoofed traffic coming through your network? Are you absolutely sure? Service providers have an obligation to identify and remediate spoofed traffic coming through their networks. This lightning talk discusses how a NetFlow analysis platform and be used to identify and remediate the spoofed traffic that drives DDoS attacks.

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Continue the conversation! Join us in the Diversity, Equity, + Inclusion Lunch to extend the discussion about how to help create a more inclusive and diverse workplace.

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Software upgrades have always been a critical component of Network Operations and there are many methods used in the industry for this purpose. With networks deploying routers from different vendors, the scale and complexity of these software upgrade methods are multiplied. Add to that, the recent trends towards a CI/CD model for networks, the software upgrade process becomes a routine task compared to a once in a year or couple of years exercise.

Saju Salahudeen, a Principal Consulting Engineer at Nokia, will talk about the current challenges for software upgrade and introduce gNOI which is a standards based gRPC service developed by Google for performing operations on a router. During this session, we will look at the different RPCs supported by gNOI with focus on the software upgrade use case. This will be followed by a demo of a software upgrade using gNOI.

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Most current network automation engineers use python, but there has been a subset who have started to make the shift to Go.
The title is meant to be a bit "click bait" and get people in the door. It won't be a war between programming languages, just an educational panel about the pros and cons of each and which is better for what kinds of jobs, why you might want to consider learning one vs the other vs both, etc.

Python has a richer ecosystem with libraries such as Netmiko, NAPALM, Batfish, Scrapli, Nornir and many vendor modules for network devices. Python is an interpreted language, dynamically typed and generally has a much quicker learning curve.

Go on the other hand is statically typed, it's compiled nature makes executing and deploying completed scripts easier, wins hands down for concurrency efficiency and speed for running higher numbers of jobs at the same time, and has a proactive approach to error handling.

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Following a large brainstorming session at the November 2023 IETF in Prague, a proposal emerged for creating extensible delegations that paves the way for leveraging existing standardized alternative DNS transport technology like DNS-over-HTTPS and DNS-over-QUIC, as well as for future DNS protocol evolution. This proposal has already received significant support from the technical community and is likely to be adopted as an IETF standard.

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MANRS (Mutually Agreed Norms for Routing Security) Update

Recently there have been additions to the MANRS initiative through enhancements in the MANRS Observatory, increasing the ability to evaluate compliance. Now in its 10th year, the MANRS community initiative has seen continued growth in the number and types of participants, and there has been increased interest from policy-making bodies in how this initiative may help in ongoing security and stability of the Internet.

There has been a change in organizational support for the MANRS initiative, with the Global Cyber Alliance taking over support for the community as of 2024. This lightning talk will provide a brief update on the status and accomplishments of the initiative, point out some recent highlights, and show how to provide feedback and get involved in the initiative. MANRS is a community of over 1000 organizations collaborating to improve the state of routing security in the Internet through mutually agreed norms of behavior.

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In 1984 a German man named Thomas Schewe coded his own BBS. It became one of the most popular privately operated BBS in Germany. He unexpectedly died in 2023 when the BBS was still running but of course only used by a few users. A long time user of the BBS myself, I had to do something to keep it running although the hardware was stuck in his house. I had to find his heir to access the house, rescue the systems before they would have been trashed and moved them to one of our datacenters. I was now responsible to keep Thomas' life achievment operating and to make decisions about its future.

A short journey into the past of computer communication before the internet became popular..

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Planning global networks is a mix of technology, geography, and arithmetic. This talk is a sample of the rules of thumb and approximations I use in order to make reasonable planning decisions quickly, and to help other people reason about the size and shape of global networks.

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This talk is a gateway for network engineers into the world of Go, demystifying its core concepts and illustrating its unparalleled potential for building efficient, concurrent, and performant network automation tasks. We'll explore the distinctive features of Go that make it an ideal choice for network engineers, from its simplicity and readability to its concurrency model and strong standard library. If you have ever considered learning go then this talk is for you.

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Over the past four decades, ML/AI has experienced a roller-coaster journey. While its broad adoption began around the early 2010s with CNN and Deep Neural Networks, the recent surge in GenAI and Large Language Models has catalyzed an unprecedented pace of innovation, impacting a vast array of use cases across various (all) industries. Concurrently, the realm of the Internet and Networking has witnessed rapid evolution, with hundreds of protocols and technologies now supporting a plethora of applications utilized by over 60% of the global population. This raises the question: Is there a genuine need for ML/AI in the Internet and Networking? Indeed, numerous AI applications have been developed and deployed at large scale, leveraging statistical models, ML, and AI, to address diverse use cases like anomaly detection and predictive Internet. The aim of this talk is to discuss such AI applications applied to Networking (Wifi, LAN, WAN, application QoE, Optical) with tangible examples and results.
Large Language Models, too, are no exception; they hold the potential to usher in a multitude of novel use cases for Networking, which will be touched upon in this presentation.

THIS TALK WILL BE PRESENTED VIA REMOTE SPEAKER

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The IETF has standardized a new protocol for having two network queues at bottleneck links via L4S (Low Latency, Low Loss, Scalable Throughput) and NQB (Non-Queue-Building Per Hop Behavior). These new standards may be able to significantly lower "working" latency (latency under load) for better real-time traffic performance and to support new AR and VR applications.

This talk will explain how dual queue networking works and explains what network operators need to do to support this - including allowing end-to-end passing of ECN marks and the use of DSCP-45 across domain boundaries.

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With events like Thursday Night Football and the Cricket World Cup and IPL Finals, the past year has seen live streaming audiences routinely reach tens of millions of concurrent viewers. Combined with increasing bitrates for 4K/8K/AR, are we approaching an inflection point for network strain from live streaming? This talk will examine TreeDN, a tree-based CDN architecture designed to solve the scaling challenges of live streaming to mass audiences. TreeDN enables operators to offer Replication-as-a-Service (RaaS) at a fraction the cost of traditional, unicast CDNs - in some cases, at $0 additional cost to the infrastructure - and paves the way for newer, more immersive content that is not economically viable with content delivery approaches typically in use today.

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This presentation challenges conventional network automation by highlighting an innovative, 'out-of-the-box' approach to traffic engineering. Our tutorial introduces an inventive alternative that combines API calls with standard systems such as PCE controllers and SDNs. This is illustrated through a hands-on lab using Containerlab, YANG, and Python.

We’ll showcase an enhanced Label Switched Paths (LSP) management use case, demonstrating how it can solve the unpredictable patterns of today’s traffic demands in WAN environments, particularly under RSVP-TE protocols.

Participants will gain a thorough understanding of this fresh perspective on traffic engineering automation. We'll discuss how the selection of standard YANG models like IETF-TE versus vendor-specific models, can impact the required constraints or objectives for use in advanced PCE Policies. Additionally, we'll explore the range of network configuration options, from simple Python modules to more advanced Automation Frameworks and SDN solutions, preparing participants to navigate its evolving landscape.

Agenda:
Traffic-Engineering Automation Overview
- Advantages Over Non-IETF RSVP Extended Protocols
Telemetry in TE Automation
- Integrating PCE with Telemetry (gRPC) for a Closed Loop System
Hands-On Lab: Automation Driven Traffic Steering
- Core Lab Components
- Tool Comparisons (e.g., Nornir vs SDN)
- Building Python Application Components
- Utilizing IETF-TE YANG RESTCONF for Tunnel Management

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Different layered timing solutions in datacenters are presented. This will showcase different architectures which leverage multiple technologies including the OCP-TAP Timecard, COTS GNSS time servers, Pulse Per Second distribution units, NTP, PTP and PTP High Accuracy profile (White-Rabbit) in the core of the datacenter while discussing its advantages and disadvantages. Depending on the required end-to-end time error budget, synchronization accuracy of nodes can be less accurate using protocols intended to work with massive layers. Alternatively, the synchronization of key nodes with higher accuracy might be leveraged to trace timing performance and improve resiliency.

Higher level of accuracy can be used in specific segments of the datacenter hosting highly time sensitive applications such as financial services. Tight relative timing between monitoring units through an accurately synchronized visibility network facilitates detailed analysis of the timing across the whole datacenter.

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Tuesday, 13 February 2024

Event: Self-Hosted Social
Sponsor: Arelion
Co-sponsors: H5, Infinera + Segra
Time: 8:00pm - 11:00pm
Location:
Pins Mechanical Co. Charlotte
307 West Tremont Avenue
Charlotte, NC 28203

RSVP Required: https://pinsmechanicalincharlotte.splashthat.com/

*NANOG Badge required for entry

Full Abstract

Location: Le Méridien lobby to meet, then Pearl Street Park
Come learn to play pickleball! All levels are welcome.

Coach Walt, Coach Louie, and Louie’s Hat will teach beginner pickleball. We will cover the rules and basic mechanics of serving, returning, and volleying as needed. There will be additional advice on strategy, and offensive and defensive shots: both execution and defense. Then we will have time for some fun matches!

We will be playing at nearby Pearl Street Park at 6:45-9:15 AM on Monday, Tuesday, and Wednesday mornings, weather permitting. We will meet at the hotel lobby at 6:15-6:30 AM to get to the courts by 6:45 AM.

Paddles & balls will be provided. Dress in comfortable clothes and shoes for sports. It will be chilly in the morning. Bring a water bottle and your paddle if you have one. Sunglasses, a cap or visor would also be advised.

Fill out the sign up sheet at https://forms.gle/qqcWWQ2KPvFFd6XM7 to help us gauge interest, but feel free to come drop in either way!

Keep up with the latest information via email at [email protected] (subscribe here: https://mailman.nanog.org/mailman/listinfo/pickleball) and the Unofficial NANOG Pickleball group on Facebook.

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Automation is being rapidly adopted by network operators and Cisco Network Services Orchestrator is one of the leading solutions for automating and orchestrating network configuration and services. You will learn about Internet2's automation journey and how we went from zero to one hundred percent configuration automation in eighteen months. You will also hear about how automation enables us to deliver new services rapidly and provide self-service provisioning to our members.

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In high-performance computing, the SC23 conference brings together experts, researchers, IT specialists and enthusiasts to explore the latest advancements and challenges in the field. At the heart of this annual gathering lies SCinet, the cutting-edge network infrastructure that powers the event, ensuring connectivity and enabling groundbreaking demonstrations on the show floor.This presentation is an overview of SC23 and SCinet. From the ground up deployment of state-of-the-art networking technologies, to addressing the demands of high-performance applications, we explore how SCinet engineers create the “Fastest Temporary Network in the World”, measuring 6.71 Tb/s at SC23. The presentation will also provide an overview of the Women in IT Networking at SC (WINS) program, a program created to address the prevalent gender gap in SCinet and Information Technology as a whole. The program funds 3-7 early to mid career women to work on the SCinet network offering a hands -on experience and the opportunity to network with 100s of engineers in both R&E and industry.

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Python and Go are the most popular languages when we dealing with applications for network, but Rust is becoming a good candidate.
Examining Go, Python, and Rust for network automation is essential in today's networking domain. Python's versatility and extensive libraries, excel in simplifying tasks and device integration. Go's exceptional concurrency and performance are beneficial for managing large-scale automation operations efficiently. Rust, known for its safety features and high performance, offers a promising alternative for network automation, particularly in scenarios demanding robustness and security. Understanding the strengths of Python, Go, and Rust enables engineers to leverage the unique capabilities of each language, optimizing network operations, scalability, and security measures for contemporary network infrastructures.

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We will be talking about one of the biggest publicly shared deployment of Precision Time Protocol (PTP) in the World used for Time Synchronization down to nanoseconds.
What is PTP, why it's important for Meta, what are the use cases.
We will also talk about it's disadvantages current implementation has and why we had to introduce SPTP (Simple PTP).
In our talk we will cover a lot of network dependency. Transparent clocks, hardware timestamping and even fiber optics asymmetry.

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Nobody "likes" getting alerts. In the best-case scenario, an alert is received because something went (or is about to go) wrong. In those cases, recipients can at least be grateful they found out before things became worse. Far more often, however, people hate getting alerts for the exact opposite reason: They alerts are meaningless, trivial, or just plain wrong - a source of constant interruptions, false alarms, unplanned work, and "noise."

While many are convinced that this is the inherent nature of alerts (and monitoring in general) the truth is that it can be so much better. Well-crafted alerts based on insightful monitoring are a benefit to the business and a downright gift to the recipient, saving hours of investigation and thousands of dollars.

The reality is that whether your organization views alerts (and the monitoring behind them) as a curse or a blessing depends largely on the design and implementation of those alerts, more so than any specific monitoring tool or technique. The good news is that, like most things in technology, good design can be taught and learned.

In this talk, we'll give a brief tour of the alerting hall of horrors, and then provide real-world, vendor-agnostic techniques to make alerts meaningful, effective, valuable, and actionable (and, as a bonus, we'll show how to make them manageable, too!). By breaking a few bad habits; understanding how and why vendors put their tools together in particular ways; and learning a few new concepts, you'll have people emailing you to say "thank goodness I got that alert!".

Now there's something you probably don't hear every day.

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RPKI has become a crucial tool in enhancing routing security for the Internet community. It serves as a vital defense against route leaks, mitigating the risks associated with misconfigurations or malicious activities that disrupt network traffic. These disruptions can lead to severe consequences, including revenue loss, data breaches, or widespread network service disruptions.

At ARIN, we recently conducted a simulation involving the total loss of access to our RPKI repository. Our goal was to assess the impact of such a catastrophic event on the various components of the RPKI ecosystem. The results were enlightening. The majority of RPKI users, both within and outside the ARIN service region, continued to operate without noticeable impact. However, we also observed a minority of participants in the RPKI community who are not adhering to best practices, potentially posing risks to Internet traffic and highlighting areas for improvement.

Join us to explore our findings, both the positive aspects and areas for improvement. Let's collectively determine how we can harness RPKI's potential to its fullest today and foster its broader adoption as an evolving tool for enhancing routing security.

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The “whiteboard talk” represents one of the key ways that engineers can communicate ideas in a concise and educational way to colleagues. More than a classroom lecture or a slide presentation, a whiteboard talk is a combination of several disciplines including teaching, storytelling, the visual display of information, and improvisational acting.

In this tutorial, the attendees will learn how to organize a whiteboard discussion, how to avoid popular pitfalls, and how to make sure that their audience walks away with the knowledge that the attendee wants them to have. These topics include how to narrow down the scope of a topic (both in terms of the topic itself and the level of abstraction), how to build the knowledge model for the talk, how to define terms for different audiences, and how to handle difficult audience members. In addition, since "presenting while remote" is now a fact of life for many professionals, the tutorial will cover how to use the tools discussed to make presenting during video conference meetings more productive.

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The Resource Public Key Infrastructure (RPKI) is a system to add security to the Internet routing. In recent years, the publication of Route Origin Authorization (ROA) objects, which bind IP prefixes to their legitimate origin ASN, has been rapidly increasing. However, ROAs are effective only if the routers use them to verify and filter invalid BGP announcements, a process called Route Origin Validation (ROV).

There are many proposed approaches to measure the status of ROV in the wild, but they are limited in scalability or accuracy. In this talk, we present RoVista, an ROV measurement framework that leverages IP-ID side channel and in-the-wild RPKI-invalid prefix. With over 20 months of longitudinal measurement, RoVista successfully covers more than 28K ASes where 63.8% of ASes have derived benefits from ROV, although the percentage of fully protected ASes remains relatively low at 12.3%. In order to validate our findings, we have also sought input from network operators.

We then evaluate the security impact of current ROV deployment and reveal misconfigurations that will weaken the protection of ROV. Lastly, we compare RoVista with other approaches and conclude with a discussion of our findings and limitations.

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With the speed of 400G coherent technology was introduced to pluggable optical transceivers (OIF 400ZR and OpenZR+). This technology is complex and powerful for your network, it even has influence on your network device operating system.

This talk will provide first insight in Nokia's implementation as well as known or potential interoperability issues addressed by the OIForum. If your transport system, router or even switch already provides coherent pluggable transceivers check the available interface parameters.

You can send me these CLI outputs / management software screenshots to thomas.weible at flexoptix dot net. I will try to include it into the presentation.

And finally new formfactors for 800G and 1,6T will be part of the game as well. Stay tuned....

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ARIN CEO John Curran will present a brief update of global developments in the RIR system.

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While looking into some forwarding table dumps, I found bunches of very similar routes with the same next hop. I always wondered how much bigger is the forwarding table than actually needed, and how much it can be reduced without losing any information. Now I got to measure it and here are the results.

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ARIN CEO John Curran will provide a brief summary of ARIN fee and membership changes, including the opening of voting privileges to all number resource holders.