[AG-TECH] Network Flow diagrams
Jennifer Teig von Hoffman
jtvh at bu.edu
Thu Jan 30 08:08:34 CST 2003
Chris,
This is fabulous! When it matures a bit more, can I convince you to
submit it for publication on the AGDP?
- Jennifer
Osland, CD (Chris) wrote:
>Following on from what Phil and then Andrew put together,
>I've formatted a Word document which is perhaps easier to read
>and has added info about DPPT and RPPT - which hopefully I've
>understood enough to get in the right place.
>
>I offer it as something that can be corrected and added to by those
>with accurate knowledge. As anyone in our organization knows,
>I am a complete ignoramus with respect to networks, but seem to
>need to spend quite a bit of time speaking to network people,
>so would find an authoritative version of this information
>incredibly useful. I certainly don't lay claim to being the
>author but am happy to be the editor.
>
>I'll attach it as both Word and plain text - sorry I don't have
>easy access to put it up on the web for review just now. I haven't obeyed
>any sort of conventions in this - it just seems important for us
>to gather the information in as precise a form as possible first,
>and then get it into AGDP form when the information has been
>collected.
>
>I know nothing about bridges, so maybe someone can provide that
>information.
>
>I have separated DPPT client (adding that to the Display Machine's
>list), DPPT server and DPPT master - please correct or expand that
>if I've got it wrong.
>
>I think some of the entries under "All AG Nodes" should be split
>off into "Machines running a Beacon" but haven't done that in case
>I'm wrong.
>
>In the same section, I have marked some lines that should perhaps
>say 'server' instead of 'client' - just a cut and paste byproduct,
>I think.
>
>It may be useful to tie some of the ports to the way they are set;
>e.g. the port used by DPPT seems to be settable in DPPT Server Set,
>so perhaps this connection should be recorded, as I have done for
>the X-Windows form of VNC (hopefully using the correct terminology).
>
>Perhaps people would like to send any comments to the list, which
>I'll pick up and incorporate as long as no-one else disagrees.
>
>Anyone any thoughts on the most useful form? Web table?
>
>Cheers
>
>Chris
>
>____________________________________________________________________
>Chris Osland Office tel: +44 (0) 1235 446565
>Digital Media and Access Grid Medialab tel: +44 (0) 1235 446459
>BIT Department Access Grid room tel: +44 (0) 1235 445666
>e-mail: C.D.Osland at rl.ac.uk Fax: +44 (0) 1235 445597
>
>CLRC Rutherford Appleton Laboratory (Bldg. R18)
>Chilton, DIDCOT, Oxon OX11 0QX, UK
>
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>
>
>
>-----Original Message-----
>From: Andrew Shewmaker` [mailto:shewa at inel.gov]
>Sent: 20 January 2003 15:23
>To: ag-tech at mcs.anl.gov
>Cc: Philip J McCormick
>Subject: Re: [AG-TECH] Network Flow diagrams
>
>
>On Mon, 20 Jan 2003 12:30:47 +0000
>Philip J McCormick <mccormick at uk.ibm.com> wrote:
>
>
>
>>I've had a look in the AG docs for a diagram that shows the ports and
>>network protocols used by the applications running on the AG machines
>>(Display, Audio and Video), but I can't find one. Does anyone know the
>>location of such a diagram or have one they can send me?
>>
>>I've knocked up a quick example of the kind of thing I need. I'll use this
>>one if there aren't any others out there......does it look correct?
>>anything missing?
>>
>>(See attached file: net_flow.jpg)
>>
>>Thanks
>>
>>Phil McCormick
>>MCCORMIC at UK.IBM.COM
>>
>>
>
>You will probably want to add:
>
>Display: access grid beacon server (HTTP TCP 9999), NTP (TCP/UDP 123),
> VNC (TCP 5800,5900,others?)
>Video: NTP (TCP/UDP 123), SSH (TCP/UDP 22)
>Audio: NTP (TCP/UDP 123), SSH (TCP/UDP 22)
>
>But I'm just a beginner and there are probably others I've missed, or
>perhaps people are using different VNC ports.
>
>Andrew
>
>
>
>------------------------------------------------------------------------
>
>PORT USAGE IN THE AG ENVIRONMENT
>
>All AG node hosts
>
>Receive:
>
> SSH (TCP/UDP 22)
> from each other and internal network
> AG Beacon server (HTTP TCP 9999) ***
> from beaconserver.accessgrid.org 140.221.9.160
> ESnet Beacon server (HTTP TCP 9999) ***
> from thorn.es.net 198.128.1.27
> AG Beacon client (Multicast UDP 56464) ***
> from any to 233.2.171.1
> ESnet Beacon client (Multicast UDP 47777) ***
> from any to 233.4.171.1
> NTP (TCP/UDP 123)
> from time server
>
>Send:
>
> SSH (TCP/UDP 22)
> to each other
> AG Beacon client (Multicast UDP/IGMP 56464) *** !!!!
> to 233.2.171.1
> ESnet Beacon client (Multicast UDP/IGMP 47777) *** !!!!
> to 233.4.171.1
> AG Beacon client (UDP 9997) *** !!!!
> to beaconserver.accessgrid.org 140.221.9.160
> ESnet Beacon client (UDP 9997) *** !!!!
> to thorn.es.net 198.128.1.27
> NTP (TCP/UDP 123)
> to time server
>
>Display Machine, aka DPPT|RPPT|VNC Client
>
>Receive:
> Video Conference (VIC) (Multicast UDP >= 50000)
> [see attached list for addresses of each virtual venue]
> from any to any multicast group
> Web browser (HTTP TCP 80)
> from anywhere
> MUD (TCP 7777)
> from venues.accessgrid.org 140.221.10.85
> VNC (TCP 5800-5805,5900-5905)
> [5800|5900 + X-windows screen number]
> from server machine
> Distributed PowerPoint (DPPT) (TCP 80, 5001)
> from DPPT server machine
> Remote PowerPoint (RPPT) (TCP ?? > 15000 recommended)
> from RPPT server machine
>
>Send:
>
> MUD (TCP 7777)
> to venues.accessgrid.org 140.221.10.85
>
>
>Video Machine
>
>Receive:
>
> Video Conference (VIC) (Multicast UDP >= 50000)
> [see attached list for addresses of each virtual venue]
> from any multicast group
>
>Send:
>
> Video Conference (VIC) (Multicast UDP >= 50000)
> [see attached list for addresses of each virtual venue]
> to any multicast group
>
>
>Audio Machine
>
>Receive:
>
> Robust Audio Tool (RAT) (Multicast UDP >= 50000)
> [see attached list for addresses of each virtual venue]
> from any multicast group
>
>Send:
>
> Robust Audio Tool (RAT) (Multicast UDP >= 50000)
> [see attached list for addresses of each virtual venue]
> to any multicast group
>
>
>DPPT Server Machine
>
>Receive:
>
> DPPT control input (Multicast ???)
> from DPPT Master(s)
>
>Send:
>
> DPPT control output (Multicast ???)
> to DPPT Client(s)
>
>
>
>DPPT Master Machine
>
>Send:
>
> DPPT control output (Multicast ???)
> to DPPT Server
>
>
>RPPT Server Machine
>
>Receive:
>
> RPPT control input (Multicast ???)
> from RPPT Master(s)
>
>Send:
>
> RPPT control output (Multicast ???)
> to RPPT Client(s)
>
>
>RPPT Master Machine
>
>Send:
>
> RPPT control output (Multicast ???)
> to RPPT Server
>
>
>Bridges and Reflectors
>
> Anyone know ??
>
>
>Virtual Venue Information
>
> see: http://agschedule.ncsa.uiuc.edu/venues.asp
>
>Key to editors:
>
> ?? Anyone care to fill in this section?
>
> *** Doesn't this actually apply to machines on which a beacon is started up,
> not all AG node machines?
>
> !!!! I suspect some of these 'clients' should be servers.
>
>
>data from Andrew Shewmaker
>formatting and bits on RPPT by Chris Osland
>
>Port Usage in AG Environment - Page 3
>
>
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