Cambridge (10 Questions)

Question 1

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

• My Departmental network support contact is: Ian Mackey (iwm21@cam.ac.uk)
• My Institutional network support contact is: network-support@ucs.cam.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:

Network within the department. Specifically down to the wall sockets for all the departments, and the systems themselves for many individual groups (excluding HEP!).

• The institutional contact is responsible for:

CUDN up to and including the campus routers.

Question 3

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

• An RNO is: EastNet
• I care because:

I suppose because it determines how good my connection to SuperJANET is.

Question 4

What is SuperJANET4? And more importantly what is SuperJANET5?

• SuperJANET4 is:

The current generation of the Joint Academic NETwork.

• SuperJANET5 is:

The next generation of SuperJANET....

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)

We'd have to ask Network Support for the router capabilities and something for the picture. For the Q9, we have to ask Network Support whether we or Network Support should divulge this information to outsiders!!??

Question 8

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

• Average traffic:
• Peak traffic:

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:

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

• Departmental plans:
• Institutional plans:
• RNO plans:

Question 9

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

• I'm a believer: YES/NO
• We're collective believers: YES/NO

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

• I'm a believer: YES/NO
• We're collective believers: YES/NO

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

• Firewall rules are changed by:

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

• The capacity is:
• 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:

For your end-system:

Do you understand the kernel, the bus structure; the NIC; and the disk system?

• I understand: YES/NO

Do you understand TCP tuning and what it can do for you?

• I understand: YES/NO

Do you understand your application and what it can do to your performance?

• I understand: YES/NO