[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
>
>[The contents of this email are confidential and 
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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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