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  • Page History - Research Information Technology - Research Information Technology - UCB Confluence
    24 Aug 28 2014 14 54 Chris Hoffman v 23 Jul 03 2014 17 44 Steve Masover v 22 Jun 03 2014 16 42 Steve Masover v 21 Jun 03 2014 16 41 Steve Masover add RIT Communication Planning to RIT intra wiki panel v 20 Mar 05 2014 14 10 Steve Masover v 19 Mar 05 2014 14 08 Steve Masover v 18 Feb 10 2014 15 59 Steve Masover v 17 Feb 10 2014 15 58 Steve Masover v 16 Feb 10 2014 15 56 Steve Masover v 15 Feb 10 2014 15 56 Steve Masover v 14 Feb 10 2014 15 50 Steve Masover add DH news channel to Latest RIT News panel v 13 Jan 30 2014 11 50 Steve Masover v 12 Dec 18 2013 10 54 Steve Masover v 11 Dec 18 2013 10 05 Steve Masover v 10 Dec 18 2013 09 34 Steve Masover v 9 Dec 18 2013 09 33 Steve Masover v 8 Nov 15 2013 14 20 Steve Masover link to netvibes page http www netvibes com rit news wranglers v 7 Jun 24 2013 16 15 Steve Masover add RFP link to top page of wiki space v

    Original URL path: https://wikihub.berkeley.edu/pages/viewpreviousversions.action?pageId=75498569 (2014-09-01)
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  • Page Information - Research Information Technology - Research Information Technology - UCB Confluence
    Apr 12 2013 Last Changed by Chris Hoffman Aug 28 2014 Tiny Link useful for email https wikihub berkeley edu x SQSAB Export As Word PDF Hierarchy Children 7 Page Architecture and Development Group Page Informatics Services Page Research IT Futures Planning Page Research IT Management Page Research IT Reading Group Page Research IT Space Roster Page RIT wiki component pages Labels There are no labels assigned to this page Hot Referrers 25 https auth berkeley edu cas login service https 3A 2F 2Fw 22 https auth berkeley edu cas login service https 3A 2F 2Fw 7 wikihub berkeley edu display istrit 4 https confluence berkeley edu display istrit 2013 12 02 B 3 wikihub berkeley edu 2 https confluence berkeley edu dashboard action spacesSele 2 https www google com 2 https confluence berkeley edu display istrit 2 https confluence berkeley edu display 18223 2 https confluence berkeley edu Recent Changes Time Editor Aug 28 2014 14 54 Chris Hoffman View Changes Jul 03 2014 17 44 Steve Masover View Changes Jun 03 2014 16 42 Steve Masover View Changes Jun 03 2014 16 41 Steve Masover View Changes add RIT Communication Planning to RIT intra wiki panel Mar 05

    Original URL path: https://wikihub.berkeley.edu/pages/viewinfo.action?pageId=75498569 (2014-09-01)
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  • View Source
    Chris Hoffman heads the Informatics Services group Our public site is http research it berkeley edu Research IT Reading Group Research Futures Planning Project Working Spaces for Research IT groups Architecture and Development Group Informatics Services These links are restricted

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  • Page Comparison - Research Information Technology (v.23 vs v.24) - Research Information Technology - UCB Confluence
    Version Current changes mady by user Chris Hoffman Saved on Aug 28 2014 Previous Change Difference between versions 22 and 23 View Page History Key This line was added This line was removed Formatting was changed Info The Research Information Technology Research IT unit is directed by David Greenbaum Associate Director Patrick Schmitz heads the Architecture and Development group Chris Hoffman heads the Informatics Services group Our public site is

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  • Page Comparison - CENIC and Research Opportunities (v.6 vs v.7) - Research Information Technology - UCB Confluence
    Software Defined Networking SDN in general and OpenFlow in particular aiming at knowledgeable IT professionals who are not network geeks although network geeks are more than welcome There is an awful lot of hype and confusion about SDN and I hope to leave people with a reasonable framework for thinking about it Attending Cliff Frost Aaron Culich Chris Hoffman David Fulmer David Greenbaum Erik McCroskey James McCarthy John Lowe Patrick Schmitz Quinn Dombrowski Rick Jaffe Steve Masover Warning Quinn s notes through 1 05 pm here Steve s notes below Software defined exchanges to provide infrastructure for defining and requesting network resources that cross resources owned by multiple parties The baked use cases are networking within a set of resources owned by the entity controlling and orchestrating it Less baked crossing through resources owned by multiple parties domains Aaron how does OpenFlow SDN intersect with cloud vendor space Cliff don t know of cloud vendors using openflow Cliff CENIC has 40GB connectivity into Google And similar across other popular vendors 20 of campus traffic is to Netflix think dorms John OpenFlow and NetNeutrality Cliff Not baked enough to be on policymakers radar Erik Different layer Political issue as opposed to OpenFlow at a technology level Patrick But political level is predicated on capability Cliff Economics lifts the question into the realm of political debate consideration Patrick Impact of VMs in data center associated challenges Does growth of Docker and containers and how they map as a problem Erik Docker s implementation of networking is a disaster If Docker uses IP address of host network doesn t see anything extra If Docker gets an IP address it becomes more complicated Docker doesn t keep an IP address container can use whatever IP address is available If application in Docker wants the

    Original URL path: https://wikihub.berkeley.edu/pages/diffpagesbyversion.action?pageId=100598846&selectedPageVersions=7&selectedPageVersions=6 (2014-09-01)
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  • Attachments - CENIC and Research Opportunities - Research Information Technology - UCB Confluence
    IT Reading Group CENIC and Research Opportunities Attachments Name Size Creator Creation Date Labels Comment PDF File CENIC CliffFrost SDNinContextv2 pdf 87 kB Steve Masover Aug 28 2014 15 30 No labels Cliff s slide deck for 28 Aug discussion View Version 1 current 87 kB Steve Masover Aug 28 2014 15 30 Cliff s slide deck for 28 Aug discussion PDF File Public Library Broadband Assessment 2014 pdf 6

    Original URL path: https://wikihub.berkeley.edu/pages/viewpageattachments.action?pageId=100598846&highlight=CENIC_CliffFrost_SDNinContextv2.pdf (2014-09-01)
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  • Page Comparison - Science DMZ (v.2 vs v.3) - Research Information Technology - UCB Confluence
    1 and 2 View Page History Key This line was added This line was removed Formatting was changed Comment add slide images Installing UCB s Science DMZ now funded by CCNIE grant Slide showing UCB implementation slides to be added to these notes Image Added DTN who ought to run this Higher on the stack than network engineers generally work To be discovered who needs this how do we provide it what else do they need DMZ extend into data center e g to connect to HPC cluster s hosted there 40GB connection to servers is about max at present 10GB more common no option now for 100GB network cards for servers Also 100GB links are expensive e g 75K for a transponder at the border router friction free dedicated network path not every researcher will use 100GB but to have a pipe that multiple researchers could utilize at a lower rate e g 10GB OpenFlow defines how traffic is forwarded on a network Normal routing is based on destination or on reading labels from a table OpenFlow gives programmatic ability to manipulate the forwarding table Segregation of DMZ isolates research experimentation that might cause network problems from the institutions regular network business DTN Keeps TCP block in memory which somehow sidesteps the steep cliff of network throttling that occurs when even a small amount of packet loss occurs on a TCP network Tune TCP to have larger windows and buffering multiple TCP flows at once Multiple flows allows one to drop a packet in one flow w o dropping transfer rate in another Want to find researchers who are now using FedEx and hard drives to pass data around Recognize that this is a practical solution for folks who are not network engineers Our challenge is to provide an

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  • Attachments - Science DMZ - Research Information Technology - UCB Confluence
    History Restrictions Page Information Link to this Page View in Hierarchy View Source Export to PDF Export to Word Research Information Technology Research Information Technology Research IT Reading Group Science DMZ Attachments Name Size Creator Creation Date Labels Comment JPEG File ScienceDMZDiagram jpg 44 kB Steve Masover Aug 19 2014 16 03 No labels Version 1 current 44 kB Steve Masover Aug 19 2014 16 03 JPEG File ScienceDMZCharacteristics jpg

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