OpenContrail Experience tcp cloud OpenStack Summit Tokyo

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1) The document summarizes tcp cloud's work with OpenContrail since the last meetup, including releasing version Mk.20 of their enterprise IT solution based on OpenContrail 2.21 and OpenStack Kilo. 2) It describes tcp cloud's reference architecture and automated deployment of dev clusters using SaltStack formulas and Heat templates. 3) The document discusses tcp cloud's experience upgrading AVG Technologies' OpenContrail deployment from version 2.1 to 2.21 and issues encountered upgrading OpenStack releases from Juno to Kilo and Kilo to Liberty.

Technology

OpenContrail Experience
@tcpcloud
OpenContrail Meetup 2015 Tokyo

Agenda
• About tcp cloud
• What we have done since last meetup?
• tcp cloud release Mk.20
• Reference Architecture
• Dev Cluster Deployment
• AVG Technologies
• From Juno to Kilo…
• From Kilo to Liberty…

About tcp cloud
• Private Cloud Builders
• Contrail Evangelizations

What we have done on OpenContrail since
last meetup
• Couple of blogs about LbaaS F5 integration, ToR
integration, etc.
• Package building CI/CD for contrail (not only)
• Kilo Release
• Open sourced whole solution tcp cloud Mk.20
• Liberty Release testing

tcp cloud release Mk.20
• Not only OpenStack and OpenContrail, but whole Enterprise IT
solution (monitoring, billing, life cycle management)
• Develop and tested only in High Availability
• Based on OpenContrail 2.21 and OpenStack Kilo
• Open source (github.com/tcpcloud)
• http://opentcpcloud.org

Dev Cluster Automated Deployment
• 50+ open sourced SaltStack Formulas – more comming
• Predefined Heat Stack templates (github/tcpcloud)
• 3x OpenStack & OpenContrail controllers
• 1x Dashboard & API proxy
• 1x Monitoring node, 1x Billing node

Dev Cluster Automated Deployment
• Software and Release Cycle managed by Debian packages
• Aptly and custom workflows together with CI tools
• Available on apt.tcpcloud.eu and launchpad
• Release Cycle based on 3 branches
• Nightly – always up to date
• Testing – tested well enough „should not break
anything“
• Stable – production ready
• Each branch consists optional components (juno x kilo x liberty or
oc21 x oc22)
• Jenkins deploy job (full HA deployment in 50 minutes)
• Job builder setup coming soon on github – watch twitter
@tcpcloud 

AVG Technologies (last 6 months of
OpenContrail)
• Upgrade from Contrail 2.1 (official build) to 2.21 (tcp cloud build)
• Change package names (e.g. contrail-novavif to contrail-
nova-driver)
• DNS external visibility True – change default to false without
possibility to change it via UI or
• DHCP – instances did not received IP. CentOS and Windows
machine only.
• LbaaS physical F5 integration (blog at tcpcloud.eu)

From Juno to Kilo…
Fix several python imports in neutron-contrail-plugin
• Contributed upstream.
• neutron-contrail-plugin.deb at tcpcloud apt repository is fixed for
2.X
Generic Nova driver
• Do not need to install contrail-novavif and contrai-novanetworkapi
• Neutron API class nova.network.neutronv2.api.API
Horizon Contrail plugin
• tcp cloud Horizon release Liberty can run on any previous
OpenStack release (Juno, Kilo)

From Kilo to Liberty…
Basic implementation testing done on 2.21
• Standard Neutron operation (network, ports, security groups, etc.)
Quota driver enhancement
• quota reservations in Neutron Liberty
• Added make_reservation, commit_reservation and
cancel_reservation as noop for backward compatibility
Only LbaaS v1 integration
• It has not been finished yet.
• LbaaS v1 is deprecated – working on LbaaS v2
OpenStack Neutron bug
• Neutron nova notification does not work for floating ip attaching
• Temporary workaround is disable
notify_nova_on_port_data_changes at neutron.conf
deb http://apt.tcpcloud.eu/nightly/ oc22

Conclusion
Jakub Pavlik
jakub.pavlik@tcpcloud.eu
@JakubPav
Filip Pytloun
filip.pytloun@tcpcloud.eu
@FilipPytloun
• Follow upstream release cycle
• Make Contrail packaging better
• Tell the rest of the world that Contrail is the best
SDN!

Come see us for live env and life cycle tools
@tcpcloud
OpenContrail Meetup 2015 Tokyo

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Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack. While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack. I, a former op, would like to extend an invitation to all application developers to join the observability party will share these foundational concepts to build on:

GraphRAG is All You need? LLM & Knowledge Graph

Guy Korland

Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs. 1. Unifying Large Language Models and Knowledge Graphs: A Roadmap. https://arxiv.org/abs/2306.08302 2. Microsoft Research's GraphRAG paper and a review paper on various uses of knowledge graphs: https://www.microsoft.com/en-us/research/blog/graphrag-unlocking-llm-discovery-on-narrative-private-data/

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Rohit Gautam

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Goodbye Windows 11: Make Way for Nitrux Linux 3.5.0!

SOFTTECHHUB

As the digital landscape continually evolves, operating systems play a critical role in shaping user experiences and productivity. The launch of Nitrux Linux 3.5.0 marks a significant milestone, offering a robust alternative to traditional systems such as Windows 11. This article delves into the essence of Nitrux Linux 3.5.0, exploring its unique features, advantages, and how it stands as a compelling choice for both casual users and tech enthusiasts.

Alt. GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using ...

James Anderson

Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management. The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM). Speakers: Bob Boule Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle. Gopinath Rebala Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.

Uni Systems Copilot event_05062024_C.Vlachos.pdf

Uni Systems S.M.S.A.

GridMate - End to end testing is a critical piece to ensure quality and avoid...

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Essentials of Automations: The Art of Triggers and Actions in FME

Safe Software

In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation. We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios. Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!

By Design, not by Accident - Agile Venture Bolzano 2024

Pierluigi Pugliese

Epistemic Interaction - tuning interfaces to provide information for AI support

Alan Dix

Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024 https://alandix.com/academic/papers/synergy2024-epistemic/ As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.

Removing Uninteresting Bytes in Software Fuzzing

Aftab Hussain

Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process. In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds. - These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.

The Art of the Pitch: WordPress Relationships and Sales

Laura Byrne

Clients don’t know what they don’t know. What web solutions are right for them? How does WordPress come into the picture? How do you make sure you understand scope and timeline? What do you do if sometime changes? All these questions and more will be explored as we talk about matching clients’ needs with what your agency offers without pulling teeth or pulling your hair out. Practical tips, and strategies for successful relationship building that leads to closing the deal.

LF Energy Webinar: Electrical Grid Modelling and Simulation Through PowSyBl -...

DanBrown980551

Do you want to learn how to model and simulate an electrical network from scratch in under an hour? Then welcome to this PowSyBl workshop, hosted by Rte, the French Transmission System Operator (TSO)! During the webinar, you will discover the PowSyBl ecosystem as well as handle and study an electrical network through an interactive Python notebook. PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides: - A fully editable and extendable library for grid component modelling; - Visualization tools to display your network; - Grid simulation tools, such as power flows, security analyses (with or without remedial actions) and sensitivity analyses; The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well. What you will learn during the webinar: - For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills; - For advanced developers: master the skills to efficiently apply PowSyBl functionalities to your real-world scenarios.

20240609 QFM020 Irresponsible AI Reading List May 2024

Matthew Sinclair

Video Streaming: Then, Now, and in the Future

Alpen-Adria-Universität

In his public lecture, Christian Timmerer provides insights into the fascinating history of video streaming, starting from its humble beginnings before YouTube to the groundbreaking technologies that now dominate platforms like Netflix and ORF ON. Timmerer also presents provocative contributions of his own that have significantly influenced the industry. He concludes by looking at future challenges and invites the audience to join in a discussion.

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OpenContrail Experience tcp cloud OpenStack Summit Tokyo

1. OpenContrail Experience @tcpcloud OpenContrail Meetup 2015 Tokyo

2. Agenda • About tcp cloud • What we have done since last meetup? • tcp cloud release Mk.20 • Reference Architecture • Dev Cluster Deployment • AVG Technologies • From Juno to Kilo… • From Kilo to Liberty…

3. About tcp cloud • Private Cloud Builders • Contrail Evangelizations

4. What we have done on OpenContrail since last meetup • Couple of blogs about LbaaS F5 integration, ToR integration, etc. • Package building CI/CD for contrail (not only) • Kilo Release • Open sourced whole solution tcp cloud Mk.20 • Liberty Release testing

5. tcp cloud release Mk.20 • Not only OpenStack and OpenContrail, but whole Enterprise IT solution (monitoring, billing, life cycle management) • Develop and tested only in High Availability • Based on OpenContrail 2.21 and OpenStack Kilo • Open source (github.com/tcpcloud) • http://opentcpcloud.org

6. tcp cloud release Mk.20

7. Reference Architecture

8. Dev Cluster Automated Deployment • 50+ open sourced SaltStack Formulas – more comming • Predefined Heat Stack templates (github/tcpcloud) • 3x OpenStack & OpenContrail controllers • 1x Dashboard & API proxy • 1x Monitoring node, 1x Billing node

9. Dev Cluster Automated Deployment • Software and Release Cycle managed by Debian packages • Aptly and custom workflows together with CI tools • Available on apt.tcpcloud.eu and launchpad • Release Cycle based on 3 branches • Nightly – always up to date • Testing – tested well enough „should not break anything“ • Stable – production ready • Each branch consists optional components (juno x kilo x liberty or oc21 x oc22) • Jenkins deploy job (full HA deployment in 50 minutes) • Job builder setup coming soon on github – watch twitter @tcpcloud 

10. AVG Technologies (last 6 months of OpenContrail) • Upgrade from Contrail 2.1 (official build) to 2.21 (tcp cloud build) • Change package names (e.g. contrail-novavif to contrail- nova-driver) • DNS external visibility True – change default to false without possibility to change it via UI or • DHCP – instances did not received IP. CentOS and Windows machine only. • LbaaS physical F5 integration (blog at tcpcloud.eu)

11. From Juno to Kilo… Fix several python imports in neutron-contrail-plugin • Contributed upstream. • neutron-contrail-plugin.deb at tcpcloud apt repository is fixed for 2.X Generic Nova driver • Do not need to install contrail-novavif and contrai-novanetworkapi • Neutron API class nova.network.neutronv2.api.API Horizon Contrail plugin • tcp cloud Horizon release Liberty can run on any previous OpenStack release (Juno, Kilo)

12. From Kilo to Liberty… Basic implementation testing done on 2.21 • Standard Neutron operation (network, ports, security groups, etc.) Quota driver enhancement • quota reservations in Neutron Liberty • Added make_reservation, commit_reservation and cancel_reservation as noop for backward compatibility Only LbaaS v1 integration • It has not been finished yet. • LbaaS v1 is deprecated – working on LbaaS v2 OpenStack Neutron bug • Neutron nova notification does not work for floating ip attaching • Temporary workaround is disable notify_nova_on_port_data_changes at neutron.conf deb http://apt.tcpcloud.eu/nightly/ oc22

13. From Kilo to Liberty…

14. Conclusion Jakub Pavlik jakub.pavlik@tcpcloud.eu @JakubPav Filip Pytloun filip.pytloun@tcpcloud.eu @FilipPytloun • Follow upstream release cycle • Make Contrail packaging better • Tell the rest of the world that Contrail is the best SDN!

15. Come see us for live env and life cycle tools @tcpcloud OpenContrail Meetup 2015 Tokyo

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