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Was MPLS Necessary?
One of the objectives of the original “Computer Networks: A Systems Approach” book was to treat networking not as a series of artifacts that are handed…
Bruce Davie
Feb 14
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Was MPLS Necessary?
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Why APIs Matter
APIs (application programming interfaces) are no longer just a technical detail of interest to computer scientists. Banks, for example, are launching…
Bruce Davie
May 9
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Why APIs Matter
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What's next for P4?
Looking back on the 2022 P4 Workshop I had two big takeaways: the first narrowly focuses on the proposed roadmap for P4, while the second looks at the…
Larry Peterson
Jun 20
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What's next for P4?
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TCP x 5G: Mind the Gap
The mobile cellular network and the Internet evolved in parallel, with each treating the other as an opaque box. Each generation of the cellular network…
Larry Peterson
Dec 20, 2021
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TCP x 5G: Mind the Gap
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Decentralizing Cellular Networks
This week we’re turning our attention to the possible decentralization of the “mobile packet core”, which promises a significant departure from how…
Bruce Davie
Apr 11
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Decentralizing Cellular Networks
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Overtaken By Events
Whatever Came of the NFV Initiative? Since our recent posts have been retracing the history (and recounting the lessons) of SDN, it seems like a good…
Larry Peterson
Mar 28
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Overtaken By Events
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Performance Matters for Service Mesh
We believe that service meshes will be absolutely central to the future of networking. When networks only connected physical machines, we needed…
Bruce Davie
Aug 1
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Performance Matters for Service Mesh
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Quantum Reality
How The “Conservation of Weirdness” Will Impact Cryptography. Cryptography depends on the supposed difficulty of finding the prime factors of a large…
Bruce Davie
Jul 4
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Quantum Reality
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Narrow Waists and Big Ideas
One of the things we try to do in all of our books is highlight the system design principles illustrated by specific technologies. In our main book…
Larry Peterson
Apr 25
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Narrow Waists and Big Ideas
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What OpenFlow Teaches Us About Innovation
This week marks the 13th anniversary of Nick McKeown’s influential paper proposing OpenFlow as an interface to open the network to more innovation. The…
Larry Peterson
Mar 29, 2021
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What OpenFlow Teaches Us About Innovation
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Is Zero Trust Living Up to Expectations?
It was a milestone week at Systems Approach as we published TCP Congestion Control: A Systems Approach in both print and ebook formats. You should be…
Bruce Davie
Jun 6
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Is Zero Trust Living Up to Expectations?
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Always in the Kitchen at Parties
Late last year I was invited to present a keynote at the Euro P4 Workshop, and I took the opportunity to revisit a topic that has held my attention for…
Bruce Davie
Jan 17
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Always in the Kitchen at Parties
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