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Anycast Latency: How Many Sites Are Enough?
[chapter]
2017
Lecture Notes in Computer Science
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Although prior work has studied how users associate with anycast services informally, in this paper we examine the key question how many anycast sites are needed to provide good latency, and the worst ...
Key results of our study are to show that a few sites can provide performance nearly as good as many, and that geographic location and good connectivity have a far stronger effect on latency than having ...
Our central question is: How many anycast sites are "enough" to get "good" latency? ...
doi:10.1007/978-3-319-54328-4_14
fatcat:mabj3sxox5fmjmqmrttblqn6ya
Latency-Based Anycast Geolocation: Algorithms, Software, and Data Sets
2016
IEEE Journal on Selected Areas in Communications
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city population) of anycast replicas. ...
Use of IP-layer anycast has increased in the last few years beyond the DNS realm. ...
Similarly, researchers can develop other anycast identification algorithms, testing whether they are better than iGreedy at, with low overhead, determining whether an IP address is anycast, how many replicas ...
doi:10.1109/jsac.2016.2558898
fatcat:5yvgbwegord6daink7ev36bote
Anycast Agility: Network Playbooks to Fight DDoS
[article]
2022
arXiv
pre-print
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2022 pre-print arXiv:2006.14058v3 fatcat:i4qyfcse5zdfffhzjdaioecjbuOther Versions
We explore how specific anycast deployment can constrain options in this playbook, and are the first to measure how generally applicable they are across multiple anycast networks. ...
During a DDoS attack service operators redistribute traffic between anycast sites to take advantage of sites with unused or greater capacity. ...
BGP usually associates networks with nearby anycast sites, providing generally good latency [63] . ...
arXiv:2006.14058v5
fatcat:6gyxlbd32zbw3kxapttclungjm
Towards a global IP anycast service
2005
Computer communication review
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Finally, we describe how PIAS supports two important P2P and overlay applications. ...
We also present preliminary measurement results on anycasted DNS root servers that suggest that IP anycast provides good affinity. ...
Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the agencies above. ...
doi:10.1145/1090191.1080127
fatcat:2pktnzf5s5e2tmdqstp5w3wena
Towards a global IP anycast service
2005
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications - SIGCOMM '05
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Finally, we describe how PIAS supports two important P2P and overlay applications. ...
We also present preliminary measurement results on anycasted DNS root servers that suggest that IP anycast provides good affinity. ...
Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the agencies above. ...
doi:10.1145/1080091.1080127
dblp:conf/sigcomm/BallaniF05
fatcat:yafdhlekfvbzhd6w4tekwskjle
Global-Scale Anycast Network Management with Verfploeter
2020
NOMS 2020 - 2020 IEEE/IFIP Network Operations and Management Symposium
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We perform real-world case studies on network planning (what happens when PoPs are switched on or off), troubleshooting (reachability issues of an anycasted prefix) and security (detecting spoofed attack ...
Yet managing an anycast network is far from simple. Earlier work studying a DDoS attack on the DNS root system, for example, shows that even highly distributed anycast networks can be overwhelmed. ...
Service providers use IP anycast to provide increased resilience, lower latency, and increased throughput for their services. ...
doi:10.1109/noms47738.2020.9110449
dblp:conf/noms/VriesAR20
fatcat:zuhbc5yrbbayphcg5liyaqbv2a
A fistful of pings: Accurate and lightweight anycast enumeration and geolocation
2015
2015 IEEE Conference on Computer Communications (INFOCOM)
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This is precisely the aim of this paper, which proposes a new method for exhaustive and accurate enumeration and city-level geolocation of anycast instances, requiring only a handful of latency measurements ...
Use of IP-layer anycast has increased in the last few years: once relegated to DNS root and top-level domain servers, anycast is now commonly used to assist distribution of general purpose content by CDN ...
Further, it shows how to enumerate the replicas that are behind an anycast address and how to geolocate those replicas. ...
doi:10.1109/infocom.2015.7218670
dblp:conf/infocom/CicaleseJRBAF15
fatcat:cchzpirdvrhxrnu4s5f5o4gtvy
A framework for scalable global IP-anycast (GIA)
2000
Computer communication review
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The second component, controlled by the edge domains, generates enhanced anycast routes that are customized according to the beneficiary domain's interests. ...
Existing designs for providing IP-anycast must either globally distribute routes to individual anycast groups, or confine each anycast group to a pre-configured topological region. ...
We are also grateful to David Clark, Tim Shepard, and Steve Deering, who provided valuable insights. ...
doi:10.1145/347057.347388
fatcat:bm66sq43jfe7hno23qmyg2iog4
A framework for scalable global IP-anycast (GIA)
2000
Proceedings of the conference on Applications, Technologies, Architectures, and Protocols for Computer Communication - SIGCOMM '00
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The second component, controlled by the edge domains, generates enhanced anycast routes that are customized according to the beneficiary domain's interests. ...
Existing designs for providing IP-anycast must either globally distribute routes to individual anycast groups, or confine each anycast group to a pre-configured topological region. ...
We are also grateful to David Clark, Tim Shepard, and Steve Deering, who provided valuable insights. ...
doi:10.1145/347059.347388
dblp:conf/sigcomm/KatabiW00
fatcat:fjjzn6jscjc2lc4nznu2stzg6q
A framework for scalable global IP-anycast (GIA)
2001
Workshop on Data communication in Latin America and the Caribbean - SIGCOMM LA '01
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The second component, controlled by the edge domains, generates enhanced anycast routes that are customized according to the beneficiary domain's interests. ...
Existing designs for providing IP-anycast must either globally distribute routes to individual anycast groups, or confine each anycast group to a pre-configured topological region. ...
We are also grateful to David Clark, Tim Shepard, and Steve Deering, who provided valuable insights. ...
doi:10.1145/371626.371795
fatcat:6teoldbhkzghzlvnlb33rah5ti
A framework for scalable global IP-anycast (GIA)
2001
Computer communication review
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The second component, controlled by the edge domains, generates enhanced anycast routes that are customized according to the beneficiary domain's interests. ...
Existing designs for providing IP-anycast must either globally distribute routes to individual anycast groups, or confine each anycast group to a pre-configured topological region. ...
We are also grateful to David Clark, Tim Shepard, and Steve Deering, who provided valuable insights. ...
doi:10.1145/844193.844206
fatcat:jsmp6fdjsbcnpf2y6mu2mzs67u
FastRoute: A Scalable Load-Aware Anycast Routing Architecture for Modern CDNs
2015
Symposium on Networked Systems Design and Implementation
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Content Delivery Networks (CDNs) are typically used to improve user-perceived application performance through a combination of caching and intelligent routing via proxies. ...
While anycast is a common technique in modern CDNs for providing high-performance proximity routing, it sacrifices control over the load arriving at any individual proxy. ...
Acknowledgments Many people were involved in the design of FastRoute. ...
dblp:conf/nsdi/FlavelMMHLCS15
fatcat:eicsj6v4zna7thjdhxkd33ajpa
Performance Analysis of Root Anycast Nodes Based on Active Measurement
2022
Electronics
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Finally, we find that 67 top-level domain names are hijacked on the resolution path based on the measured data. ...
nodes and provide a basis for deploying new root anycast nodes in the next step. ...
Schmidt analyzed the factors affecting the latency of root anycast instances by comparing the optimal performance and resolving latency in the wild, and they concluded that having "a few sites" is enough ...
doi:10.3390/electronics11081194
fatcat:xro3lsa2t5ddzccyjykn2dfooe
Anycast Routing for Survivable Optical Grids: Scalable Solution Methods and the Impact of Relocation
2011
Journal of Optical Communications and Networking
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In this paper, we address the issue of resiliency against single link network failures in optical grids and show how the anycast routing principle, which is typical of grids, can be exploited in providing ...
Numerical results are presented for three mesh networks with varying node degrees. They allow an illustration of the scalability of the newly proposed approaches. ...
Thus, we decide how many wavelengths that need to be activated on each link, as well as paths to set-up from traffic sources to server sites (i.e. data centers). ...
doi:10.1364/jocn.3.000767
fatcat:7xvdhht4vrbrhibyrepzrubryq
Application-layer anycasting: a server selection architecture and use in a replicated Web service
2000
IEEE/ACM Transactions on Networking
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This paper examines the definition and support of the anycasting paradigm at the application layer, providing a service that uses an anycast resolver to map an anycast domain name and a selection criteria ...
In the anycasting communication paradigm, a sender communicates with a receiver chosen from an anycast group of equivalent receivers. ...
Many of the metrics are locally significant, thus they are maintained independently at each anycast resolver that has the ADN group membership information cached. ...
doi:10.1109/90.865074
fatcat:ytdjuc5rijbetfxhf4ms73l36q
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