Difference between revisions of "IC-HEP (10 Questions)"

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Latest revision as of 13:37, 2 December 2005

'Status: DRAFT'

Question 1

Provide the name and contact details of your local (Departmental) and Institutional network support staff.

  • IC Departmental network support contact is: Kostas Georgiou, Systems Manager, Department of High Energy Physics, email: k.georgious@imperial.ac.uk
  • IC Institutional network support contact is: Phil Mayers et al, Information and Communication Technologies (ICT), email: servicedesk@imperial.ac.uk

Question 2

Provide details of the responsibilities, together with the demarcation of those responsibilities, of your local and Institutional network support staff.

  • The departmental contact is responsible for:
  • The institutional contact is responsible for:

Services include; a high quality physical infrastructure (networks, servers, computer clusters, etc.); support of individual desktops, teaching and research clusters; College wide services such as e-mail and central file storage and key College management information systems.

Question 3

What is a Regional Network Operator (RNO), and why does this matter to you?

  • An RNO is: London MAN (LMN)
  • I care because: they provide our connection to the rest of the internet.

Question 4

What is SuperJANET4? And more importantly what is SuperJANET5?

  • SuperJANET4 is: UK academic network backbone
  • SuperJANET5 is: proposed upgrade

Questions 5, 6, 7 and 9 (part)

5: Draw a simple diagram showing your local (Departmental) network and sufficient of your Institutional network such that you can trace a line from your end-system to the connection from your Institutes network into the RNO infrastructure.

6: On the diagram produced in answer to Question 5, show the capacity of each link in the network and provide a note against each link of its contention ratio.

7: On the diagram produced in answer to Question 5, colour and distinguish the switches and routers and for each device provide a note of its backplane capability.

9.x: On the diagram produced in answer to Question 5 colour in the firewall(s) (or other security devices).

(upload an image via http://wiki.gridpp.ac.uk/wiki/Special:Upload)


Question 8

What is the average and peak traffic flow between your local (Departmental) network and the Institutional network?

  • Average traffic: measured over a last few days was < 1 Mbit/s
  • Peak traffic: monitoring last few days shows ~ 10 Mbits/s

What is the average and peak traffic flow between your Institutional network and the RNO?

  • Average traffic:
  • Peak traffic:

What is the total capacity of your Institutional connection to the RNO?

  • Our total capacity is: 2 Gbit/s

What are the upgrade plans for your local (Departmental) network; your Institutional network and the network run by the RNO?

  • Departmental plans: None
  • Institutional plans: plans to upgrade to a 10 Gbit connection within Imperial
  • RNO plans: Not known

Question 9

Do you believe in IS Security? Does your Institute believe in IS Security?

  • I'm a believer: YES
  • We're collective believers: YES

Do you believe in firewalls? Does your Institute believe in firewalls?

  • I'm a believer: YES
  • We're collective believers: YES

Provide information of how changes are made to the rule set of the firewall.

  • Firewall rules are changed by: ICT

Provide a note of the capacity of this device and what happens when that capacity is exceeded.

  • The capacity is: 500 Mbits/s
  • When it goes over-capacity, the following happens:

Question 10

What is the best performance you can achieve from your end-system to an equivalent system located in some geographically remote (and friendly!) Institute?

  • Best performance is: ~500 Mbits/s

For your end-system:

Do you understand the kernel, the bus structure; the NIC; and the disk system?
  • I understand: YES
Do you understand TCP tuning and what it can do for you?
  • I understand: YES need to know more about it)
Do you understand your application and what it can do to your performance?
  • I understand: YES (need to know more about it)