Practical Byzantine fault tolerance
OSDI '99 Proceedings of the third symposium on Operating systems design and implementation
Heterogeneous networking: a new survivability paradigm
Proceedings of the 2001 workshop on New security paradigms
DNS performance and the effectiveness of caching
ACM SIGCOMM Computer Communication Review
King: estimating latency between arbitrary internet end hosts
Proceedings of the 2nd ACM SIGCOMM Workshop on Internet measurment
The design and implementation of a next generation name service for the internet
Proceedings of the 2004 conference on Applications, technologies, architectures, and protocols for computer communications
Distributed DNS troubleshooting
Proceedings of the ACM SIGCOMM workshop on Network troubleshooting: research, theory and operations practice meet malfunctioning reality
On achieving software diversity for improved network security using distributed coloring algorithms
Proceedings of the 11th ACM conference on Computer and communications security
DieHard: probabilistic memory safety for unsafe languages
Proceedings of the 2006 ACM SIGPLAN conference on Programming language design and implementation
Drafting behind Akamai (travelocity-based detouring)
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Surviving internet catastrophes
ATEC '05 Proceedings of the annual conference on USENIX Annual Technical Conference
Perils of transitive trust in the domain name system
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
CoDNS: improving DNS performance and reliability via cooperative lookups
OSDI'04 Proceedings of the 6th conference on Symposium on Opearting Systems Design & Implementation - Volume 6
Delta execution for software reliability
HotDep'07 Proceedings of the 3rd workshop on on Hot Topics in System Dependability
Diverse replication for single-machine Byzantine-fault tolerance
ATC'08 USENIX 2008 Annual Technical Conference on Annual Technical Conference
Virtually eliminating router bugs
Proceedings of the 5th international conference on Emerging networking experiments and technologies
Difference engine: harnessing memory redundancy in virtual machines
OSDI'08 Proceedings of the 8th USENIX conference on Operating systems design and implementation
A sense of self for Unix processes
SP'96 Proceedings of the 1996 IEEE conference on Security and privacy
Tightlip: keeping applications from spilling the beans
NSDI'07 Proceedings of the 4th USENIX conference on Networked systems design & implementation
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The ability to forward packets on the Internet is highly intertwined with the availability and robustness of the Domain Name System (DNS) infrastructure. Unfortunately, the DNS suffers from a wide variety of problems arising from implementation errors, including vulnerabilities, bogus queries, and proneness to attack. In this work, we present a preliminary design and early prototype implementation of a system that leverages diversified replication to increase tolerance of DNS to implementation errors. Our design leverages software diversity by running multiple redundant copies of software in parallel, and leverages data diversity by sending redundant requests to multiple servers. Using traces of DNS queries, we demonstrate our design can keep up with the loads of a large university's DNS traffic, while improving resilience of DNS.