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Displaying 1-11 out of 11 total
Improving Content Delivery with PaDIS
IEEE Internet Computing
By Ingmar Poese,Benjamin Frank,Bernhard Ager,Georgios Smaragdakis,Steve Uhlig,Anja Feldmann
Issue Date:May 2012
Content-delivery networks (CDNs) originate a large fraction of Internet traffic; yet, due to how CDNs often perform traffic optimization, users aren't always assigned to the best servers for end-user performance. To improve user assignment of CDNs, the aut...
LMD: A local minimum driven and self-organized method to obtain locators
2013 IEEE Symposium on Computers and Communications (ISCC)
By Yonggong Wang,Gaogang Xie,Mohamed-Ali Kaafar,Steve Uhlig
Issue Date:July 2013
The scalability of routing architectures for large networks is one of the biggest challenges that the Internet faces today. Greedy routing, in which each node is assigned a locator used as a distance metric, recently received increased attention from resea...
Towards TCAM-based scalable virtual routers
Found in: Proceedings of the 8th international conference on Emerging networking experiments and technologies (CoNEXT '12)
By Gaogang Xie, Kavé Salamatian, Laurent Mathy, Layong Luo, Steve Uhlig, Yingke Xie
Issue Date:December 2012
As the key building block for enabling network virtualization, virtual routers have attracted much attention recently. In a virtual router platform, multiple virtual router instances coexist, each with its own FIB (Forwarding Information Base). The small a...
Anatomy of a large european IXP
Found in: Proceedings of the ACM SIGCOMM 2012 conference on Applications, technologies, architectures, and protocols for computer communication (SIGCOMM '12)
By Anja Feldmann, Bernhard Ager, Nadi Sarrar, Nikolaos Chatzis, Steve Uhlig, Walter Willinger
Issue Date:August 2012
The largest IXPs carry on a daily basis traffic volumes in the petabyte range, similar to what some of the largest global ISPs reportedly handle. This little-known fact is due to a few hundreds of member ASes exchanging traffic with one another over the IX...
Towards hardware accelerated software routers
Found in: Proceedings of the ACM CoNEXT Student Workshop (CoNEXT '10 Student Workshop)
By Anja Feldmann, Nadi Sarrar, Rob Sherwood, Steve Uhlig, Xin Huang
Issue Date:November 2010
We propose an alternative router design to fill the gap between PC-based open source software routers and commercial high-end routers. Our hardware accelerated software router uses commodity PC hardware running an open source software router for the contro...
Comparing DNS resolvers in the wild
Found in: Proceedings of the 10th annual conference on Internet measurement (IMC '10)
By Bernhard Ager, Georgios Smaragdakis, Steve Uhlig, Wolfgang Muhlbauer
Issue Date:November 2010
The Domain Name System (DNS) is a fundamental building block of the Internet. Today, the performance of more and more applications depend not only on the responsiveness of DNS, but also the exact answer returned by the queried DNS resolver, e.g., for Conte...
Rethinking iBGP routing
Found in: Proceedings of the ACM SIGCOMM 2010 conference on SIGCOMM (SIGCOMM '10)
By Cristel Pelsser, Iuniana M. Oprescu, Mickael Meulle, Olaf Maennel, Philippe Owezarski, Steve Uhlig
Issue Date:August 2010
The Internet is organized as a collection of administrative domains, known as Autonomous Systems (ASes). These ASes interact through the Border Gateway Protocol (BGP) that allows them to share reachability information. Adjacent routers in distinct ASes use...
Improving internet-wide routing protocols convergence with MRPC timers
Found in: Proceedings of the 5th international conference on Emerging networking experiments and technologies (CoNEXT '09)
By Anthony Lambert, Marc-Olivier Buob, Steve Uhlig
Issue Date:December 2009
The behavior of routing protocols during convergence is critical as it impacts end-to-end performance. Network convergence is particularly important in BGP, the current interdomain routing protocol. In order to decrease the amount of exchanged routing mess...
Internet optometry: assessing the broken glasses in internet reachability
Found in: Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference (IMC '09)
By Matthew Roughan, Olaf Maennel, Randy Bush, Steve Uhlig
Issue Date:November 2009
Reachability is thought of as the most basic service provided by today's Internet. Unfortunately, this does not imply that the community has a deep understanding of it. Researchers and operators rely on two views of reachability: control/routing- and data-...
In search for an appropriate granularity to model routing policies
Found in: Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications (SIGCOMM '07)
By Bingjie Fu, Mickael Meulle, Olaf Maennel, Steve Uhlig, Wolfgang Muhlbauer
Issue Date:August 2007
Routing policies are typically partitioned into a few classes that capture the most common practices in use today. Unfortunately, it is known that the reality of routing policies and peering relationships is far more complex than those few classes[1,...
Building an AS-topology model that captures route diversity
Found in: Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications (SIGCOMM '06)
By Anja Feldmann, Matthew Roughan, Olaf Maennel, Steve Uhlig, Wolfgang Muhlbauer
Issue Date:September 2006
An understanding of the topological structure of the Internet is needed for quite a number of networking tasks, e. g., making decisions about peering relationships, choice of upstream providers, inter-domain traffic engineering. One essential component of ...
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