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Author Topic: SDN: possible use case for greater security  (Read 237 times)
dragons_are_secure
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October 20, 2017, 02:55:08 AM
 #1

 We're examining alternative technologies for our software development, both to test security ideas, and to best define the market for items that we think could benefit the bitcoin community.

 In that regard, we're looking at software-defined networking (SDN) and the Linux Foundation Project OpenDaylight

https://www.opendaylight.org/use-cases-and-users/by-function/visibility-and-control

 In searching Bitcoin Forum, I've not found any discussions of SDN for bitcoin networks.  I'd be curious what others think about this.  The main idea would be to provide an extra level of security on the P2P network.
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pebwindkraft
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October 20, 2017, 09:03:22 AM
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SDN are service oriented networks, and if I get it correctly, are intended to make life easier for corporations. The overwhelming complexity of different network hardware and it's special config increases management costs. SDN can help to bring complexity and as such costs down (my understanding). And yes, it can increase security (down to the level of allowing only a single port or address).
Now our crypto ccy world, or bitcoin: we are talking P2P networks over the internet. No corporations defining it (hopefully, if not some NY hotel room  agreements want to take over bitcoin). What could a SDN do? Isn't P2P already a way of defining a type of network, that needs nearly "no management"? And the structure of the bitcoin network is designed in a similiar manner. It provides one specific use case, that can hardly be controlled by a single corporation/government/user...
It becomes different for crypto ccy exchanges though. You can imagine SDN for trading, backoffice and payment (channels). But that is again company specific... That is probably out of scope for our "public" environment.
By saying this, I'd be happy if a discussion can start with proposals or use cases in our crypto ccy world. SDN is a fairly new approach, and crypto ccy is a new model. Looking forward to see potential benefits of their marriage  Smiley
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October 20, 2017, 12:13:43 PM
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In terms of security, I'm thinking of things like are outlined in this article:
 
 https://timreview.ca/article/701

While I totally agree about the advantages of there NOT being large corporations involved, I am feeling that the future could well bring security issues to vanilla P2P networks that should be dynamically addressed by the community.  Perhaps I'm being overly alarmist, and this could be so far off as to be a non-issue.

So, mainly trying to get a discussion going on whether there are any ideas that could be borrowed/used-directly from the SDN frameworks.
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