Christian Vogt

Bremen Institute for Applied Beam Technology

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Co-Authors

Eiji Oki

Kyoto University

Mallikarjun Tatipamula

F5 Networks (United States)

Roberto Rojas‐Cessa

New Jersey Institute of Technology

Sven Herrmann

University of Bremen

Ernst M. Rasel

Leibniz University Hannover

Cláus Lämmerzahl

Carl von Ossietzky Universität Oldenburg

Dennis Schlippert

Leibniz University Hannover

Marian Woltmann

University of Bremen

Jari Arkko

Ericsson (Finland)

J. Heise

Sanford Research

Cooperative Institutions

University of Alaska Anchorage

278

Providence College

274

Clark Atlanta University

199

Southern University and Agricultural and Mechanical College

154

University of Wisconsin–Madison

151

Lawrence Berkeley National Laboratory

149

The University of Texas at Arlington

143

Humboldt-Universität zu Berlin

University of Alabama

Centre National de la Recherche Scientifique

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Security Threats to Network-Based Localized Mobility Management (NETLMM)

Christian Vogt James Kempf

This document discusses security threats to network-based localized mobility management. Threats may occur on two interfaces: the interface between a localized mobility anchor and a mobile access gateway, as well as the interface between a mobile access gateway and a mobile node. Threats to the former interface impact the localized mobility management protocol itself. This memo provides information for the Internet community.

Mobility management

Gateway (web page)

Interface (matter)

10.17487/rfc4832

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Citations (42)

First-Principles Plane-Wave-Based Exploration of Cathode and Anode Materials for Li and Na-ion Batteries

Christina Ertural Ralf P. Stoffel Peter C. Müller Christian Vogt Richard Dronskowski

We present a first-principles study based on plane-wave derived Löwdin population analysis and other local bonding descriptors to investigate cathode and anode materials for lithium and sodium ion batteries. By comparing the Löwdin charges of common graphite-based anode materials such as LiC6 and LiC12 to other phases such as salts of dicyanamide and nanoporous carbon-based compounds, new conclusions of an improved intercalation behavior of the latter are derived. In addition, we explore the stability of the dicyanamide salts concerning the removal of Li and Na atoms from the compounds with some of them resulting in dimerized structures. In particular, having a look at the different kinds of bonds and the corresponding covalency indicators reveals new insights into the change of the bonds during dimerization. Considering the generally high thermal stability of metal dicyanamide salts, which are solid at room temperature, their electrochemical activity as well as non-toxicity of alkali metal-based compounds, these materials are potential alternatives to commercially available electrodes, particularly for sodium ion batteries, to pristine graphite-based anode materials.

Dicyanamide

Nanoporous

10.26434/chemrxiv-2021-cj17s

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Citations (0)

Terrestrial very-long-baseline atom interferometry: Workshop summary

AVS Quantum Science (2024)

Sven Abend Baptiste Allard Iván Alonso John Antoniadis H. M. Araújo

This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world to discuss the exciting developments in large-scale atom interferometer (AI) prototypes and their potential for detecting ultralight dark matter and gravitational waves. The primary objective of the workshop was to lay the groundwork for an international TVLBAI proto-collaboration. This collaboration aims to unite researchers from different institutions to strategize and secure funding for terrestrial large-scale AI projects. The ultimate goal is to create a roadmap detailing the design and technology choices for one or more kilometer--scale detectors, which will be operational in the mid-2030s. The key sections of this report present the physics case and technical challenges, together with a comprehensive overview of the discussions at the workshop together with the main conclusions.

Atom interferometer

Baseline (sea)

10.1116/5.0185291

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Citations (13)

Terrestrial Very-Long-Baseline Atom Interferometry: Workshop Summary

arXiv (Cornell University) (2023)

Sven Abend Baptiste Allard Iván Alonso John Antoniadis H. M. Araújo

This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world to discuss the exciting developments in large-scale atom interferometer (AI) prototypes and their potential for detecting ultralight dark matter and gravitational waves. The primary objective of the workshop was to lay the groundwork for an international TVLBAI proto-collaboration. This collaboration aims to unite researchers from different institutions to strategize and secure funding for terrestrial large-scale AI projects. The ultimate goal is to create a roadmap detailing the design and technology choices for one or more km-scale detectors, which will be operational in the mid-2030s. The key sections of this report present the physics case and technical challenges, together with a comprehensive overview of the discussions at the workshop together with the main conclusions.

Atom interferometer

Baseline (sea)

10.48550/arxiv.2310.08183

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Citations (4)

PRIMUS - An optical dipole trap for cold atom experiments in microgravity

42nd COSPAR Scientific Assembly (2018)

Sven Herrmann Ernst M. Rasel Claus Läemmerzahl Marian Woltmann Christian Vogt

Trap (plumbing)

Ultracold atom

Source

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IP Multicast and Anycast

Eiji Oki Roberto Rojas‐Cessa Mallikarjun Tatipamula Christian Vogt

This chapter contains sections titled: Addressing Multicast Routing Routing Protocols Anycasting IPv6 Anycast Routing Protocol: Protocol-Independent Anycast—Sparse Mode References

Anycast

10.1002/9781118180822.ch7

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Multiple Interface Support with Proxy Mobile IPv6

Heeseon Lim V. Devarapalli Christian Vogt Nishi Kant

Proxy Mobile IPv6 enables network-based mobility for a regular IPv6 mobile node with no mobility management protocol. It makes it appear to the mobile node that its IP address does not change as the mobile node moves across the Proxy Mobile IPv6 domain. There have been some issues identified with supporting a host with multiple interfaces attaching to the Proxy Mobile IPv6 domain. This document describes and analyzes some of the scenarios associated with this.

Proxy Mobile IPv6

Proxy (statistics)

Mobility management

Mobile identification number

Mobility model

Source

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Citations (12)

IP Routing Protocols

Eiji Oki Roberto Rojas‐Cessa Mallikarjun Tatipamula Christian Vogt

This chapter contains sections titled: Overview of Routing Protocols Routing Information Protocol Open Shortest Path First Border Gateway Protocol References

Interior gateway protocol

Border Gateway Protocol

Routing Information Protocol

Zone Routing Protocol

Path vector protocol

10.1002/9781118180822.ch4

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Virtual IPv6 Connectivity for IPv4-Only Networks

Alain Durand Christian Vogt

Although the impetus to invest in interworking between IP versions 4 and 6 is initially on the side of early IPv6 adopters, more substantial IPv6 deployment in the future will shift this impetus towards the side of the legacy IPv4 Internet. However, interworking techniques for IPv4-only networks are as yet largely unexplored. This document proposes Virtual IPv6 Connectivity, a technique to enable IPv4-only networks to communicate with the IPv6 Internet.

IPv4

NAT traversal

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The internet diary

ACM SIGMOBILE Mobile Computing and Communications Review (2008)

Christian Vogt Charles E. Perkins

This is the first in a new series of reports on selected activities from the Internet Engineering and Research Task Forces, IETF and IRTF. This issue focuses on IP mobility, routing in mobile ad-hoc networks, routing scalability, and transition from IP version 4 to version 6. Principal in IP mobility is the impending publication of the NETLMM working group's Proxy Mobile IPv6 protocol, as well as the creation of the new MEXT working group for maintenance and extension of (non-proxy) Mobile-IPv6-based protocols. Two second-generation routing protocols for ad-hoc networks are being completed in the MANET working group. Engineering of IP auto-configuration mechanisms for ad-hoc networks has stalled in the Autoconf working group due to the inappropriateness of the subnet-oriented IP addressing model in less structured mobile ad-hoc networks. Routing scalability is the main focus of the Routing research group from IRTF. The group is set to develop a recommendation on how to mitigate the critical growth in routing table size and update frequency. The v6ops working group is redesigning its IPv4/IPv6 protocol translator to provide operators with an urgently needed tool for interworking between IP versions.

IPv4

10.1145/1394555.1394569

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Citations (2)