CERN IT Department CH-1211 Genève 23 Switzerland t Communication Services Projects & Services During YETS 20015/16 F. Chapron IT/CS

CERN IT Department CH-1211 Genève 23 Switzerland t Agenda Projects Network and Telecom projects IT services during YETS Networking VDSL Wi-Fi network TETRA services Mobile services

CERN IT Department CH-1211 Genève 23 Switzerland t IT CS Projects during YETS

CERN IT Department CH-1211 Genève 23 Switzerland t Lead-time for delivery can be long! Please make your requests for new network sockets as soon as possible! UTP cabling requests Objective:  Deploy new UTP cables and connections for your IP equipment Type of intervention:  New installation Received requests:  Access Control / GS/ASE:  UTP cabling from IT star-points to:  Surface: SX2-R, SZ6-R, SZ33- R, SD3-R, SD5-R, SD8-R, SD7- R, SD1-R  Underground: USA15-U0, US54-W2, US56-U0, UX25- W2, PX24-U7, US32-U0  RP/ Dosimeter reader:  UTP cabling from IT star-points to:  Surface: SZ33-R & SD7-R To submit a request:  To request network sockets please use the new Snow form  portal/report-ticket.do?name=new- network-sockets&se=Campus-Network Work responsible:  IT-CS-CD section (John Shade)

CERN IT Department CH-1211 Genève 23 Switzerland t Update of network socket labels for GIS Objective:  In order to align floor plans (GIS Portal) and network socket labels, we need to update labels of some network outlets in the LHC underground areas: US, UJ, UA, UL, UW, RE, TZ etc.… Type of intervention:  Update Impact for users:  We will need access to the outlets if the racks are locked  We will contact the device users during YETS in order to organise the opening of the racks Work responsible:  IT-CS-CD section (John Shade)

CERN IT Department CH-1211 Genève 23 Switzerland t Objective:  Deploy 4G (LTE) services between LHC Alcoves  This will required to install new repeaters in IT racks in LHC alcoves Type of intervention:  New installation Impacted locations:  All LHC alcoves (REs), 1 day of work per alcove Impact on users:  Short mobile service cut when connecting the new repeater Status:  Equipment being ordered  No ECR yet Proposed period for implementation:  During YETS, we are flexible for the installation dates Work responsible:  Stefano Agosta 4G (LTE) services in LHC alcoves Missing LTE coverage

CERN IT Department CH-1211 Genève 23 Switzerland t Indoor Localisation Services in LHC Experiments Objective:  Deploy new beacons in experimental caverns (CMS, ATLAS, ALICE) to locate people with TETRA terminals in case of emergency  This will required to affix beacons at strategic locations in caverns (entrance/exit locations of an area)  This service is already available in other locations (see last slide) Type of intervention:  Modification of existing infrastructure Impacted locations:  CMS, ATLAS, ALICE Impact on users:  None Status:  ECR:  To be discussed with experiments GLIMOS Proposed period for implementation:  During YETS, to be discussed with EN-MEF  At least 2 weeks of work per experiment Work responsible:  CMS: Stefano Agosta  ATLAS: Frédéric Chapron  ALICE: Frédéric Chapron

CERN IT Department CH-1211 Genève 23 Switzerland t Objective:  Deploy TETRA radio services in TZ81/82  This will required to replace a combiner Type of intervention:  Modification of existing infrastructure Impacted locations:  TZ81 and TZ82 Impact on users:  Mobile services disruption when replacing the combiners Status:  ½ day of work to schedule Proposed period for implementation:  During YETS, we are flexible on the date Work responsible:  Aurelie Pascal Radio services in TZ81 and TZ82 Combiner to replace

CERN IT Department CH-1211 Genève 23 Switzerland t Objective:  Deploy radio TETRA services (in particular for FB)  This will required to pull of new leaky feeder cable in the traversal galleries and add a new TETRA repeater in room 359-S-202 (in an IT rack) Type of intervention:  New installation Impacted locations:  PS transversal galleries (North, South, East, West) up to room 359-S-202  When pulling the cable, the path may be blocked  3 days of work for IT-CS Impact on users:  None Status:  DIC submitted to EN-EL  No ECR yet  No integration yet Proposed period for implementation:  During YETS, it is up to EN-EL and EN-MEF to find the best moment to intervene Work responsible:  Aurelie Pascal Radio and mobile services in PS traversal galleries Picture in SPS

CERN IT Department CH-1211 Genève 23 Switzerland t Objective:  Deploy radio TETRA and mobile services in ECN3  This will required to pull of new leaky feeder in TCC8  Interconnect the leaky feeder cable coming from TDC85 with the new one  Replace and move down the antenna located at ECN3 entrance Type of intervention:  New installation Impacted locations:  From TDC8 (end of TDC85) to ECN3  When pulling the cable, the path may be blocked  2 days of work for IT-CS Impact on users:  None Status:  DIC has been sent to EN-EL to pull a LF cable from TDC8 (end of TDC85) and ECN3 (up to the splitter)  No ECR yet  No integration yet Proposed period for implementation:  During YETS, it is up to EN-EL and EN-MEF to find the best moment to intervene Work responsible:  Aurelie Pascal Radio and mobile services in ECN3 Picture in SPS New LF cable Interconnection to be done Existing LF cable Antenna to replace And move down

CERN IT Department CH-1211 Genève 23 Switzerland t Objective:  Deploy TETRA radio and mobile services in TU84  This will required to pull a new leaky feeder cable and install an antenna Type of intervention:  Modification of existing infrastructure Impacted locations:  TU84 Impact on users:  Mobile services disruption when replacing the combiners Status:  DIC already submitted to EN-EL  Work already scheduled by EN-EL Proposed period for implementation:  During YETS, it is up to EN-EL and EN-MEF to find the best moment to intervene Work responsible:  Stefano Agosta Radio services TU84 New antenna New LF cable Existing LF cable

CERN IT Department CH-1211 Genève 23 Switzerland t IT CS Services during YETS

CERN IT Department CH-1211 Genève 23 Switzerland t The Technical Network (TN) Service definition:  High speed and reliable fixed network connectivity for accelerator control  Protected from external access  10Mbps / 100Mbps / 1Gbps connection  Available across almost all accelerator and experimental infrastructure provided there are UTP plugs (must be less than 90 meters from a starpoint)  Network plug locations & starpoints are located in the GIS portal  Wi-Fi not allowed on TN network Situation :  The service is globally maintained during LS2 (refer to previous slides)  Locations of outlets and starpoints in the GIS portal (IT_Outlets + IT_StarPoint) Constraints  Network extensions (e.g. new network plugs or new starpoints) take several weeks to be implemented Contact name in IT/CS: John Shade Advantages/Drawbacks: +Operated by CERN +Fully operational +High data transfer +Low latency + Permanent and reliable solution - Network plugs are 90 meters max from starpoints

CERN IT Department CH-1211 Genève 23 Switzerland t VDSL & Wi-Fi inside the LHC tunnel Service definition: –VDSL : Very high bit rate Digital Subscriber Line ( Similar to your ADSL line at Home) –Plugs available every 100m in LHC tunnel connected to GPN(*) –MAX ~20Mbps full-duplex (upload and download) –VDSL-Wi-Fi Access point: coverage <40 meters from the plug bg (2.4GHz) Max 22Mbps half-duplex shared Available from the Telecom Lab Installed by the users Must be removed during the run Situation : –Wi-Fi coverage of LHC during LS2 not planned. –Switches out of warranty in 2017 –Coverage information can be found in the GIS portal Constraints: –Need for power plug around the working location –Not convenient to install (on the cable tray over the LHC) Contact name in IT/CS: John Shade Advantages/Drawbacks: +Operated by CERN +Fully operational +Medium data transfer +Low latency - Only in LHC - Access point managed by the user - Difficult physical access to VDSL plugs - Subject to power cuts (maintenance) (*) GPN = General purpose network

CERN IT Department CH-1211 Genève 23 Switzerland t Radio services :TETRA A. PascalMarch 2011 Slide 15 Service definition  TETRA (Terrestrial Trunked Radio) is a secured radio network  In parallel, allow French and Swiss fire brigades to intervene in CERN accelerator complex with their own radio device Key features:  Almost full outdoor/indoor coverage  High level of reliability and availability (all active equipment are on UPS)  SDS messages (like SMS) 140 characters maximum/message  Outdoor and Indoor geo-localization  Indoor localization is not 100% guaranteed (beacons are damaged in “high” radiation areas)  Indoor localization is not available in surface buildings  Lone worker protection  Can be used as a safety device provided that your safety manager (DSO, GLIMOS, GL, etc.) authorized its use for the planned work Situation :  Fully operational  ILS yet to be deployed in CMS/ATLAS/ALICE  Coverage will be put in the GIS portal ( IT_beacons + Mobile_coverage ) Contact name in IT/CS: Aurélie Pascal Advantages/Drawbacks: +Fully operated by CERN +Designed for safety +Infrastructure costs covered by CERN +Group communications +Outdoor & indoor geo-localization - Very Poor performances for data transfers - Specific and expensive terminals - Available only on CERN “region”

CERN IT Department CH-1211 Genève 23 Switzerland t Service definition:  Access to CERN General purpose network only!  n from 120Mbps to 260Mbps Half-duplex Shared  Recommended max 25 stations per cell  Difficulty to deal with multi-path environment such as underground, Antennas with spatial diversity, leaky feeder or MIMO system are required Situation  ~ 40 Access Points in the UA/UJ/UL  Extensions are limited: network outlets not available everywhere Contact name in IT/CS: John Shade Wi-Fi in technical areas Advantages/Drawbacks: +Operated by CERN +Fully operational (where available) +No need for special terminals +High data transfer +Low latency - Expensive installation - Limited coverage

CERN IT Department CH-1211 Genève 23 Switzerland t Mobile Services: 2G/3G/4G technologies A. PascalMarch 2011 Slide 17 Service definition:  Available almost everywhere at CERN, both indoors and outdoors  Voice traffic: Huge capacity...  Messaging: SMS/MMS  Data transfer allows access to Internet OR CERN GPN through a mobile device (phone or USB dongle):  No extra cost when on the Swisscom network  Maximum theoretical data transfer rate :  150 Mbits/s in LHC pits  40 Mbit/s elsewhere (tunnels, injectors, experiments,...)  Latency : ~10ms  More than adequate for real time Video calls  Smartphones (Samsung) are available at CERN stores  We strongly encourage the use of mobile data services rather than Wi-Fi in the accelerators and in experimental areas  Special tests can be done on-demand if needed Situation:  Fully operational  Use this service in priority for data exchange from underground  If subcontractors => promote CERN subscriptions to avoid paying when calling them! Contact name in IT/CS: Rodrigo Sierra - Operated by Swisscom Advantages/Drawbacks: +Infrastructure costs covered by CERN +No extra costs when used in Switzerland +Fully operational +No need for special terminals

CERN IT Department CH-1211 Genève 23 Switzerland t TNTETRAWi-Fi(*)Wi-Fi + VDSL(**) 2G/3G/4G Safety NoYes (with DSO approval) No Reliability Excellent good Data rate ExcellentVery limitedExcellentGoodExcellent Latency (is real time ok?) ExcellentN.A.Excellent (3G/4G) Costs (from user point of view) ExpensiveTerminalsExpensiveAccess Point Low What is most appropriated for your communications? (*)There is no Wi-Fi on the TN network (**) Available only in LHC, and again no Wi-Fi on TN network

CERN IT Department CH-1211 Genève 23 Switzerland t Summary of network services in CERN accelerator and experimental areas

CERN IT Department CH-1211 Genève 23 Switzerland t THANKS Questions ?