Network & Telecomms - IT Services
Network & Telecomms - IT Services
Network & Telecomms - IT Services
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<strong>IT</strong>SS Induction 2013<br />
<strong>Network</strong>s & Telecoms in<br />
the University<br />
A very, very brief guide<br />
Henryk Glogowski<br />
Head of <strong>Network</strong>s & Data Centres<br />
<strong>IT</strong> <strong>Services</strong><br />
September 2013
Outline<br />
University <strong>Network</strong><br />
Wireless in the University<br />
Who are we? For each team:<br />
Contact details<br />
What do we do? A few key services.<br />
2 key major projects: TONE & ICP<br />
For Reference<br />
Appendix 1: What is Janet?<br />
Appendix 2: What is<br />
Note: Slides & URLs on these slides are for your future<br />
ref - if you choose to download them!<br />
2
University <strong>Network</strong><br />
A few facts and figures<br />
‣ ~100,000 registered ‘devices’<br />
‣ 4,500+ VoIP phones<br />
‣ ~24,000 analogue phones<br />
‣ ~1,200 WAP’s (COWLS)<br />
‣ 241 FroDo’s & UPS’s (early Sep’13)<br />
‣ 300km external optical cable<br />
‣ 1,779,402 emails delivered/day (peak)<br />
‣ 14,042,928 emails rejected/day (peak) (02-15/09/13)<br />
Source<br />
3
University of Oxford’s<br />
Wide Area <strong>Network</strong><br />
From “OUCS in 2010“ (p8)
<strong>Network</strong>s’ Context Diagram<br />
Henryk<br />
Unit’s <strong>Network</strong><br />
FroDo<br />
University<br />
Backbone<br />
<strong>Network</strong><br />
Internet<br />
University<br />
Gateways<br />
Janet<br />
interconnects<br />
Janet<br />
https :// www .schneier ..com/<br />
5<br />
Hg , Jan’ 2013
University Backbone <strong>Network</strong>
Wireless <strong>Network</strong>ing for <strong>IT</strong>SS<br />
http://www.oucs.ox.ac.uk/network/wireless/itss/<br />
http://www.oucs.ox.ac.uk/network/wireless/services/eduroam/<br />
Appendix 2 of this presentation<br />
OWL<br />
Centrally-managed OWL service (COWLS)<br />
• aka OUCS-managed or OWL Phase 2<br />
• Max of FOUR SSIDs: OWL, eduroam & two local SSIDs<br />
Self-managed<br />
OWL Visitor
<strong>Network</strong>s & Data Centres Group<br />
<strong>Network</strong> Operations (NetOps)<br />
Alistair James<br />
<strong>Network</strong> Support &<br />
Development (NSD)<br />
Andy Saunders<br />
Head of <strong>Network</strong>s & Data<br />
Centres<br />
Me<br />
Data Centres Manager<br />
David Birds<br />
Telecoms<br />
Alan Hilyer<br />
OxCERT<br />
Robin Stevens<br />
8
<strong>Network</strong> Operations (NetOps) – 1<br />
Contact details<br />
First point of contact for ALL<br />
NETWORK queries/requests etc:<br />
networks@oucs.ox.ac.uk<br />
Emergencies (during office hours):<br />
x73268<br />
9
<strong>Network</strong> Operations (NetOps) - 2<br />
‘Tier 1’ network helpdesk for University <strong>IT</strong> Support Staff.<br />
Monitoring and first line response to alerts on network<br />
systems and services. Over 5,000 ‘elements’.<br />
First line maintenance for:<br />
University core network.<br />
FroDo’s + associated UPS’s.<br />
Oxford Wireless LAN (OWL) edge<br />
Building Management System (BMS) edge network<br />
(over 100 buildings being monitored)<br />
VoIP edge network<br />
<strong>Network</strong> Hardware Support scheme<br />
http://www.oucs.ox.ac.uk/network/lan/<br />
10
<strong>Network</strong> Support & Development (NSD)<br />
Tier 2 network support for NetOps and <strong>IT</strong>SS.<br />
University Backbone <strong>Network</strong><br />
Oxford Wireless LAN (OWL) and eduroam<br />
Data Centre networks<br />
Secure network–Building Management System and VoIP networks<br />
External links - mostlyJanet.<br />
NTP<br />
DNS<br />
DHCP<br />
Remote Access/VPN<br />
FroDo (design & management)<br />
Mail Relay & Message Submission services<br />
Useful URLs:<br />
https://comms.oucs.ox.ac.uk/index<br />
http://www.oucs.ox.ac.uk/network/<br />
11
Data Centres<br />
One element of “Shared Infrastructure <strong>Services</strong>”<br />
University Shared Data Centre<br />
USDC <strong>Network</strong>ing<br />
12
OxCERT - 1<br />
Contact details<br />
Email:<br />
• oxcert@it.ox.ac.uk - communications with OxCERT, including<br />
incident notifications and response, and general security queries<br />
• phishing@it.ox.ac.uk - reports of phishing scams targetting<br />
University credentials (please be sure to include full email<br />
headers)<br />
• help@it.ox.ac.uk - other communication with the OUCS helpdesk<br />
Telephone:<br />
• +44 1865 2 82222. Direct line during office hours with voicemail<br />
at all times.<br />
Useful URLs:<br />
• http://www.oucs.ox.ac.uk/network/security/<br />
• http://www.oucs.ox.ac.uk/network/security/itss/<br />
13
OxCERT – 2<br />
Respond to incidents detected by internal and<br />
external systems and users.<br />
Work with <strong>IT</strong> support staff to ensure that threats<br />
are adequately contained pending satisfactory<br />
resolution.<br />
Tier 2 security helpdesk support to <strong>IT</strong>SS and other<br />
University staff<br />
Liaison with external bodies eg law enforcement, Janet’s CSIRT, other<br />
CSIRTs/CERTs<br />
Inform the University and its members of current threats and<br />
developments.<br />
Providing security information, advice and recommendations at all levels<br />
of the University.<br />
Assist with University disciplinary investigations; providing and presenting<br />
reports and evidence as required.<br />
14
Telecoms – 1<br />
Contact details<br />
University Operator <strong>Services</strong><br />
Telecommunications Helpdesk<br />
Accounts/Call Logger Queries<br />
Advice on Telephone Facilities<br />
Advice on Cabling & Major Installations<br />
Advice on Installations/Policy Issues<br />
70000 Operators<br />
88888 Telecommunications Helpdesk<br />
88666 Accounts Clerk<br />
88663 Operations Supervisor<br />
88664 Installations Supervisor<br />
88661 Manager<br />
Main URL:<br />
• http://www.oucs.ox.ac.uk/telecom/<br />
15
Telecoms - 2<br />
University main switchboard<br />
“ … a public ‘front door’ to the University …”<br />
WebEx<br />
VoIP<br />
Directory services<br />
Voicemail<br />
Call centre operations<br />
SMS Service<br />
Advice on phones & mobiles<br />
Cabling & Ducts<br />
16
Major Projects (1 of 2):<br />
The Oxford <strong>Network</strong> Evolution (TONE)<br />
Existing backbone network design (not<br />
equipment!) >14 years old<br />
Assumed new requirements:<br />
Resilience<br />
More Bandwidth!<br />
ICP<br />
IPv6<br />
Other?<br />
• Talk to your TONE User Group rep<br />
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Major Projects (2 of 2):<br />
Integrated Communications Project (ICP)<br />
Office telephony application<br />
Device agnostic: desktop/laptop/mobile/tablet<br />
Geographical independence<br />
Video<br />
Conferencing: voice & video<br />
IM<br />
Email/telephony integration eg click-to-dial<br />
Presence<br />
18
Thank you for your attention<br />
Any questions?<br />
19
Appendix 1: What is ‘Janet’?<br />
“Janet is a high-speed network for the UK research and education community. A<br />
connection to Janet gives you an extremely reliable and high bandwidth network<br />
that will support innovation, research and learning at your institution.”<br />
Key Facts<br />
• Janet serves over 18 million end users<br />
• The Janet network covers the UK from Lands End to John O'Groats and everywhere in<br />
between.<br />
• We have over 5,000 km of optical fibre<br />
• The backbone runs at 100Gbit/s (with an interconnect capacity of around 40Gbit/s)<br />
Key services<br />
• High-bandwidth access to other HEI’s & the Internet<br />
• eduroam<br />
• Janet Certificate Service<br />
• Computer Security and Incident Response Team (CSIRT)<br />
• <strong>Network</strong> Time Service (NTP)<br />
See: www.ja.net
Janet6 Backbone and Regional <strong>Network</strong>s<br />
TVN<br />
https://www.ja.net/products-services/janet-futures/janet6
Appendix 2: What is<br />
eduroam (education roaming)<br />
users<br />
researchers, teachers, students & staff<br />
secure access to the Internet<br />
in any eduroam-enabled institution.<br />
“… eduroam … is based on the fact that the user's authentication<br />
is done by the user's home institution ...”<br />
http://www.eduroam.org/<br />
22
Where?<br />
Locally:<br />
University<br />
Hospitals<br />
Nationally:<br />
~183 UK sites<br />
Internationally:<br />
over 54 countries<br />
eduroam Companion app for Android<br />
& iOS: “… helps users to locate their nearest eduroam<br />
point…”<br />
https://www.ja.net/products-services/janet-connect/eduroam/eduroamcompanion<br />
23
What’s in it for you?<br />
You only support your own users!<br />
‘Guests’ are supported by their home<br />
institution<br />
“One stop shop”: configure a laptop or<br />
mobile with only one SSID for any Institution<br />
that has eduroam<br />
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