Thank you for joining us for DENOG16, join us for a quick review and some announcements before heading home!Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/P8QBJW/Von Tim Kleefass, Moritz Frenzel, Patrick Bussmann

Thank you for joining us for DENOG16, join us for a quick review and some announcements before heading home!Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/P8QBJW/Von Tim Kleefass, Moritz Frenzel, Patrick Bussmann

This talk will give an overview of DTs DNS platform and the challenges arising from carrier scale DNS deployments. It will cover the architecture and new requirements as well as scalability and the implementation status and impact of encrypted DNS (e.g., DoH/DoT and DNS discovery). The presentation will also address shortcomings of the new discover…

This talk will give an overview of DTs DNS platform and the challenges arising from carrier scale DNS deployments. It will cover the architecture and new requirements as well as scalability and the implementation status and impact of encrypted DNS (e.g., DoH/DoT and DNS discovery). The presentation will also address shortcomings of the new discover…

News from IXPs in GermanyAs introduced 2021 we collect some parameters from all IXPs, which are active in Germany. This talk aggregates the Updates for all the IXPs in a common format and will be presented in a neutral way.Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/Y9RMD…

News from IXPs in GermanyAs introduced 2021 we collect some parameters from all IXPs, which are active in Germany. This talk aggregates the Updates for all the IXPs in a common format and will be presented in a neutral way.Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/Y9RMD…

In this talk, we explore the changes needed to convert a set of fully open source amd64 based VPP routers running in AS8298 to be able to use exactly one IPv4 and IPv6 address in an OSPFv3 and iBGP configuration. The use of /30 or /31 IPv4 transit networks between routers is a thing of the past, paving the way to conserve IPv4 addresses!The talk di…

In this talk, we explore the changes needed to convert a set of fully open source amd64 based VPP routers running in AS8298 to be able to use exactly one IPv4 and IPv6 address in an OSPFv3 and iBGP configuration. The use of /30 or /31 IPv4 transit networks between routers is a thing of the past, paving the way to conserve IPv4 addresses!The talk di…

Metro networks are arguably one of the more challenging areas in carrier network engineering: Feature creep, space constraints, harsh physical environments and the requirement to deliver all services everywhere, for cheap.At Wobcom AS9136 we _just_ wanted to modernize the transport network. Two years later we ended up redesigning just about everyth…

Metro networks are arguably one of the more challenging areas in carrier network engineering: Feature creep, space constraints, harsh physical environments and the requirement to deliver all services everywhere, for cheap.At Wobcom AS9136 we _just_ wanted to modernize the transport network. Two years later we ended up redesigning just about everyth…

We had to move a couple of hundred machines from a big Layer 2 broadcast domain into a fully routed network. We also increased the bandwidth available for each server by mounting a new NIC into each server, To avoid synchronisation with service owners, we did not renumber hosts. In addition, there is connectivity to the large Layer 2 domain that is…

We had to move a couple of hundred machines from a big Layer 2 broadcast domain into a fully routed network. We also increased the bandwidth available for each server by mounting a new NIC into each server, To avoid synchronisation with service owners, we did not renumber hosts. In addition, there is connectivity to the large Layer 2 domain that is…

The Domain Name System (DNS) is a critical component of the Internet infrastructure, responsible for translating human-readable domain names into machine-readable IP addresses. However, theincreasing centralization of DNS traffic through large content-delivery hyper-giants (such as Google), coupled with the fact that the majority of DNS communicati…

The Domain Name System (DNS) is a critical component of the Internet infrastructure, responsible for translating human-readable domain names into machine-readable IP addresses. However, theincreasing centralization of DNS traffic through large content-delivery hyper-giants (such as Google), coupled with the fact that the majority of DNS communicati…

DDoS attacks and attackers are out there today, and likely won't go away anymore. This talk will outline some current available technologies and developments in the area of DDoS countermeasures, which are designed to make DDoS detection faster, provide better information and decision criteria on what is currently going on in a network, and what is …

DDoS attacks and attackers are out there today, and likely won't go away anymore. This talk will outline some current available technologies and developments in the area of DDoS countermeasures, which are designed to make DDoS detection faster, provide better information and decision criteria on what is currently going on in a network, and what is …

As communication speeds increase, a new problem of communication errors caused by "return loss" has become apparent in optical connector connections.Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/LYC7PW/Von Takaya Nakagawa

As communication speeds increase, a new problem of communication errors caused by "return loss" has become apparent in optical connector connections.Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/LYC7PW/Von Takaya Nakagawa

Everything uses IP nowadays but some stuff is special: Telephony. The connection between customers and their provider is well known but the interconnections of providers themselves are something different. This talk covers the German market, other countries work totally different (some examples might be given).Licensed to the public under http://cr…

Everything uses IP nowadays but some stuff is special: Telephony. The connection between customers and their provider is well known but the interconnections of providers themselves are something different. This talk covers the German market, other countries work totally different (some examples might be given).Licensed to the public under http://cr…

Following up on last year's introductory talk about NIS2 and the cybersecurity regulations, we'll look at the technical and methodological requirements specifically for digital service providers.Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/Y88EBE/…

Following up on last year's introductory talk about NIS2 and the cybersecurity regulations, we'll look at the technical and methodological requirements specifically for digital service providers.Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/Y88EBE/…

That's a wrap for day1, we'll share all details about the social and how to get there!Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/38JPGU/Von Tim Kleefass, Janina Faßbender

That's a wrap for day1, we'll share all details about the social and how to get there!Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/38JPGU/Von Tim Kleefass, Janina Faßbender

This presentation investigates the proximity to a low Signal-to-Noise Ratio (SNR) threshold that can still maintain a tolerable Bit Error Rate (BER) in 100G / 400G / 800G network links. Additionally, we account for factors such as temperature and cable length to predict the duration for which a reliable network connection can be sustained between t…

This presentation investigates the proximity to a low Signal-to-Noise Ratio (SNR) threshold that can still maintain a tolerable Bit Error Rate (BER) in 100G / 400G / 800G network links. Additionally, we account for factors such as temperature and cable length to predict the duration for which a reliable network connection can be sustained between t…

Starting with 1st of January, 2026, operators of public mobile networks in Germany are obliged toemploy certified network products within their networks. The obligation affects all network products,which are newly introduced into public mobile networks and provide functions, for which a securityassessment document has been approved by the BSI. This…

Starting with 1st of January, 2026, operators of public mobile networks in Germany are obliged toemploy certified network products within their networks. The obligation affects all network products,which are newly introduced into public mobile networks and provide functions, for which a securityassessment document has been approved by the BSI. This…

The so-called ‘Glasfaserstreit' (fibre optic dispute), an antitrust case, successfully prevented the intention of the incumbent to monopolise the Swiss fibre optic network. As a result, >2 million households can currently subscribe to a symmetrical 25 Gigabit FTTH connection for ~€70 per month.Licensed to the public under http://creativecommons.org…

The so-called ‘Glasfaserstreit' (fibre optic dispute), an antitrust case, successfully prevented the intention of the incumbent to monopolise the Swiss fibre optic network. As a result, >2 million households can currently subscribe to a symmetrical 25 Gigabit FTTH connection for ~€70 per month.Licensed to the public under http://creativecommons.org…

Single peering interfaces can get loaded during peak usage and/or failure scenarios while the network as a whole still has spare capacity. As remedy we can use upstream via our so-called overflow providers. In normal operation mode we will prefer direct peerings and only use overflow providers as fallback.For events like the European Football Champ…

Single peering interfaces can get loaded during peak usage and/or failure scenarios while the network as a whole still has spare capacity. As remedy we can use upstream via our so-called overflow providers. In normal operation mode we will prefer direct peerings and only use overflow providers as fallback.For events like the European Football Champ…

In this session we are going to cover usage of RFC8950 (IPv4 NLRIs with IPv6 Next Hop)Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/BWWEJ7/Von Michael Pergament

In this session we are going to cover usage of RFC8950 (IPv4 NLRIs with IPv6 Next Hop)Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/BWWEJ7/Von Michael Pergament

SCION is a secure path-aware Internet architecture, designed to achieve high resilience to routing attacks and path selection for Internet users and operators with safety critical traffic such as in financial and healthcare sectors. RPKI/ROV is useful for origin validation but does not validate paths, ASPA is still an evolving technology, whilst BG…

In recent years, we’ve heard a bit more about submarine cables, mostly related to fiber cuts. Given that they’re lifelines of countries or even continents, they are important, yet we know little about them. So, what’s the rationale behind the large selection of submarine cables, often on the same route? Is it just about resiliency and shorter route…

In recent years, we’ve heard a bit more about submarine cables, mostly related to fiber cuts. Given that they’re lifelines of countries or even continents, they are important, yet we know little about them. So, what’s the rationale behind the large selection of submarine cables, often on the same route? Is it just about resiliency and shorter route…

This year we deployed a new data center fabric from scratch. A requirement was to use different vendors with different nos. In addition we use Ansible for the whole configuration.This talk is about:- how to efficiently use Netbox with Ansible- using Ansible with multi vendor equipment- challenges building a multi vendor EVPN fabric from scratchLice…

This year we deployed a new data center fabric from scratch. A requirement was to use different vendors with different nos. In addition we use Ansible for the whole configuration.This talk is about:- how to efficiently use Netbox with Ansible- using Ansible with multi vendor equipment- challenges building a multi vendor EVPN fabric from scratchLice…

In response to increasing regulatory pressures, major telecommunications providers have begun to measure and report their carbon footprints. However, this initial step is just the beginning of a complex journey toward achieving sustainability. One of the most significant challenges these companies face is addressing Scope 3 emissions, which are gen…

In response to increasing regulatory pressures, major telecommunications providers have begun to measure and report their carbon footprints. However, this initial step is just the beginning of a complex journey toward achieving sustainability. One of the most significant challenges these companies face is addressing Scope 3 emissions, which are gen…

Introduction of RPKI at the Deutsche Telekom global Network AS3320 was finalized in February 2024, since 22nd February 2024 AS 3320 rejects RPKI invalid Prefixes.This presentation talks about the Project phases, the implementation and experiences we made during the introduction of RPKI on a global Tier-1 ISP Network.This includes some technical det…

Introduction of RPKI at the Deutsche Telekom global Network AS3320 was finalized in February 2024, since 22nd February 2024 AS 3320 rejects RPKI invalid Prefixes.This presentation talks about the Project phases, the implementation and experiences we made during the introduction of RPKI on a global Tier-1 ISP Network.This includes some technical det…

We take you along on our adventurous journey through the design and implementation phases of a custom-built outdoor cabinet, from conception to completion, sharing what we’ve learned in the process.While building a new fiber network from scratch, Eurofiber faced a dilemma: We needed to install network devices in the great outdoors of Berlin’s heati…

We take you along on our adventurous journey through the design and implementation phases of a custom-built outdoor cabinet, from conception to completion, sharing what we’ve learned in the process.While building a new fiber network from scratch, Eurofiber faced a dilemma: We needed to install network devices in the great outdoors of Berlin’s heati…

Welcome to Berlin, welcome to DENOG16Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/AYJDAW/Von Tim Kleefass, Moritz Frenzel, Patrick Bussmann

Welcome to Berlin, welcome to DENOG16Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/AYJDAW/Von Tim Kleefass, Moritz Frenzel, Patrick Bussmann

Welcome to DENOG, if this is your first event, feel free to join us to learn everything about the event, the community and more!Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/VWX3FM/Von Patrick Bussmann

Welcome to DENOG, if this is your first event, feel free to join us to learn everything about the event, the community and more!Licensed to the public under http://creativecommons.org/licenses/by/4.0about this event: https://pretalx.com/denog16/talk/VWX3FM/Von Patrick Bussmann

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/about this event: https://c3voc.deVon OWASP German Chapter