Glasgow (10 Questions)
Contents
Question 1
Provide the name and contact details of your local (Departmental) and Institutional network support staff.
- My Departmental network support contact is: Shane Kelly (s.kelly at physics.gla.ac.uk)
- My Institutional network support contact is: Colin Cooper (colin at compserv.gla.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: Building hardware, faults, wiring, internal routing
- The institutional contact is responsible for: DNS, JANET connectivity, border routers
Question 3
What is a Regional Network Operator (RNO), and why does this matter to you?
- An RNO is: Us. Glasgow University is an Operating Agent for the Clydenet RNO.
- I care because: It's our connectivity.
Question 4
What is SuperJANET4? And more importantly what is SuperJANET5?
- SuperJANET4 is: The current production network.
- SuperJANET5 is: The next-generation production network.
Questions 5, 6, 7 and 9 (part)
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: 100-150 Mbit/sec
- Peak traffic: Have seen 500Mbit under tests.
What is the total capacity of your Institutional connection to the RNO?
- Our total capacity is: 1Gbit
What are the upgrade plans for your local (Departmental) network; your Institutional network and the network run by the RNO?
- Departmental plans: Potential for light path into building.
- Institutional plans: Campus backbone to 10Gbit over time
- RNO plans: Enmeshed with SuperJANET 5 deployment
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, although we're more interested in DMZ'ing the whole grid operation.
Provide information of how changes are made to the rule set of the firewall.
- Firewall rules are changed by: Computing Service
Provide a note of the capacity of this device and what happens when that capacity is exceeded.
- The capacity is: That of the router.
- When it goes over-capacity, the following happens: No new connections can be established, but established connections appear to continue to function.
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: This requires real-world testing.
For your end-system:
- Do you understand the kernel, the bus structure; the NIC; and the disk system?
- I understand: NO
- Do you understand TCP tuning and what it can do for you?
- I understand: NO
- Do you understand your application and what it can do to your performance?
- I understand: NO