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RIPE 46 Meeting

European Operators Forum

The EOF during RIPE 46 will feature a full-day tutorial on VoIP and ENUM on Monday September 1st as well as a small number of presentations on Tuesday morning September 2nd. The presentations will focus on IPv6 deployment experiences.

Preliminary Programme:

About the EOF

Abstracts of Presentations and Tutorials

Monday:

Title: Tutorial on VoIP and ENUM

The tutorial is aimed at net-heads (*1) interested in an overview of how telephony and related services can be provided on the Internet; it may also interesting for bell-heads (*2). We have assembled a great team of practitioners in the field who know what they are talking about and can also make it work. The morning will focus on an overview of the state of the art:

• Why? Not for Cheap and Bad Telephony! - Clemens Schrimpe
• Interesting and Relevant Details about the POTS (*3) - Richard Stastny
• Overview of SIP and Related Standards - Jiri Kuthan
• Overview of H.323 and Related Standards - Martin Streller
• Overview of ENUM and State of the Art - Richard Stastny

In the afternoon the team of presenters will focus on practical deployment aspects such as gateways, security, provisioning and use of the new ENUM standards. Michael Haberler will introduce the software used in the nic.at ENUM portal which is available for those interested.

There will be practical demonstrations of working systems during the tutorial.

Title: MPLS-Based Traffic Shunt
Speaker: Nicolas Fischbach (nico@colt.net)
Abstract: MPLS-based traffic shunt is a diversion method that enables a service provider to re-route and forward traffic of specific destinations to a centralized scrubbing and inspection facility. The traffic may be diverted from several locations, such as peering points and transit routers for example. This technique differs from the sinkhole approach, in which the traffic does not come out of the sink and thus does not reach the intended destination.

In our example, after being processed, the traffic can be sent back to the network on its way to the original destination. This facilitates scalable, targeted filtering and processing of different customer traffic for on demand tasks such as, reverse proxying, traffic examination, or DDoS attack filtering. A follow-up talk is scheduled at the nsp-sec BoF: "Fighting DDoS at the infrastructure level" that will enable us to look more closer at infrastructure security.

See http://www.nanog.org/mtg-0306/afek.html.

Tuesday:

Note: All title are working titles, and are subject to change.

Title: A case study of IPv6 deployment - tcd.ie
Speaker: David Malone
Abstract: After experimenting with IPv6 for some time, Trinity College Dublin has put IPv6 into service on campus, as have a number of other institutions in Ireland. We will discuss the network setup at some of these institutions, how they have evolved, and the problems encountered in deploying IPv6 on campus.

Title: Experiences in dual-stacking a network operations centre
(Dave Wilson and HEAnet NOC)
Speaker: Dave Wilson
Abstract: This presentation describes the experience gained from deploying IPv6 on a national network. Having started with an IPv4 backbone and a staff with varying levels of experience of networking, we describe not just the technical problems encountered in the rollout and their solutions, but more importantly the work we needed to do to get our operations staff and procedures up to speed on IPv6 and able to support it in a production environment.

Title: Fighting layer-2 instabilities
Speaker: Steven Bakker, AMS-IX
Abstract: Connecting extended layer-2 infrastructures to a layer-2 Internet exchange has important consequences for network stability. The lack of features to effectively demarcate administrative responsibilities more often than not allows minor instabilities at the edge to destabilise the whole infrastructure.

This presentation discusses the steps that AMS-IX has taken to protect the infrastructure against layer-2 instabilities caused by equipment and networks behind AMS-IX switch ports (and hence beyond our administrative control). It will also go into the tests that where performed to get an understanding of the limitations of the protective features deployed on the Foundry switches.

Title: How Security Advisories were made
Speaker: Damir Rajnovic
Abstract: This presentation describes internal processes during the evaluating and making of Security Advisories. While the presentation is based on author's experience in Cisco Systems PSIRT it is completely vendor neutral. It also reflect the current practice in several other big software vendors. Participants will have chance to see the whole picture from reporting the vulnerability up to Advisory maintenance.

The presentation's purpose is to show what actions, and their approximate duration, must be taken in order to fix a vulnerability and publish an Advisory. The presentation will include some details on the recent " IOS Interface Blocked" Advisory".