Mobilink NOC Dept.Mobilink NOC Dept.

By Faras Rafiq By Faras Rafiq Ex- NOC (NSS) EngineerEx- NOC (NSS) Engineer

Mobilink NOCMobilink NOC

Telecom Companies in PakistanTelecom Companies in Pakistan Telecommunication is one largest revenue Telecommunication is one largest revenue

generating industry in Pakistan.generating industry in Pakistan. Currently the following companies are Currently the following companies are

operating in Pakistanoperating in Pakistan

Mobilink WorldCallMobilink WorldCall Ufone WateenUfone Wateen Warid PTCLWarid PTCL Telenor China-Tel (Paktel)Telenor China-Tel (Paktel)

Cost ComparisonCost ComparisonServicesServices Cost in Australia Cost in Australia

(AUS$)(AUS$)Cost in PakistanCost in Pakistan(AUS$)(AUS$)

Mobile SimMobile Sim $2-4$2-4 $0.77 $0.77 Local Call RatesLocal Call Rates $0.8/Min$0.8/Min $0.027/Min peak time, $0.027/Min peak time,

$ 0.077/ HOUR at night$ 0.077/ HOUR at night

Local SMSLocal SMS $0.25/SMS$0.25/SMS For $1.15 you can get For $1.15 you can get 1000 SMS1000 SMS

MMSMMS $0.5/MMS$0.5/MMS $0.04/MMS$0.04/MMS

Mobilink earns AUS $15 Million/day by only voucher Mobilink earns AUS $15 Million/day by only voucher recharge, where as Mobilink biggest customer is Post paidrecharge, where as Mobilink biggest customer is Post paid

History of MobilinkHistory of Mobilink Mobilink is owned by Orascom Telecom (OT) Mobilink is owned by Orascom Telecom (OT)

which is an Egyptian based company,it also owns which is an Egyptian based company,it also owns MobiNil and BanglaLink.MobiNil and BanglaLink.

Mobilink was established in 1999 and it is the Mobilink was established in 1999 and it is the largest Telecom Company in Pakistan.largest Telecom Company in Pakistan.

35 Million+ subscribers by March 2008. 35 Million+ subscribers by March 2008. (compared to 21.4 Million population of Australia-(compared to 21.4 Million population of Australia-on 9 Sep 2008 14:35).on 9 Sep 2008 14:35).

60 MSC’s,650+ BSC’s and 7000+ Cell sites across 60 MSC’s,650+ BSC’s and 7000+ Cell sites across Pakistan.Pakistan.

How to Manage such a large network !!!!How to Manage such a large network !!!!

History of Mobilink NOCHistory of Mobilink NOC A centralized OMCR (Radio Network) was A centralized OMCR (Radio Network) was

established in 2000 in Lahore.established in 2000 in Lahore.

Performed Fault and Configuration management Performed Fault and Configuration management for BSC’s and BTS only.for BSC’s and BTS only.

During 2006-2007 Mobilink faced a loss of US$ 60 During 2006-2007 Mobilink faced a loss of US$ 60 Million due to Network Down time.Million due to Network Down time.

In 2007, Mobilink decided to establish a complete In 2007, Mobilink decided to establish a complete NOC for end to end visibility which included NOC for end to end visibility which included Access, Core, TXN, IN and VAS. Access, Core, TXN, IN and VAS.

Departmental Organization of Departmental Organization of MobilinkMobilink

TMN ModelTMN Model

Network Element Network Element The following Network Elements are monitored in Mobilink.The following Network Elements are monitored in Mobilink.Access side:-Access side:- BSC’s (Alcatel,Motorola, Huawei)BSC’s (Alcatel,Motorola, Huawei) BTSBTS Individual Cell Sites.Individual Cell Sites.Core Side:-Core Side:- MSC’s (Siemens,Alcatel,Huawei,Nokia)MSC’s (Siemens,Alcatel,Huawei,Nokia) HLS (Motrolla).HLS (Motrolla). STP ( Tekelec)STP ( Tekelec)IN & Vas side:-IN & Vas side:- IN Platforms (Siemens)IN Platforms (Siemens) SGSN (Alcatel)SGSN (Alcatel) GGSN (Alcatel)GGSN (Alcatel) SMSC (Logica)SMSC (Logica) IVR’sIVR’s PRBT’sPRBT’s USSDUSSDTXN side:-TXN side:- Optical Fiber and ATM nodes (Huawei) Optical Fiber and ATM nodes (Huawei)

Element ManagementElement Management Following EMS’s are deployed in MobilinkFollowing EMS’s are deployed in MobilinkAccess Side:-Access Side:- Motorola OMCMotorola OMC Alcatel OMCAlcatel OMC Huawei OMCHuawei OMCCore side:-Core side:- Siemens SCRSiemens SCR Alcatel NMCAlcatel NMC Huawei iManagerHuawei iManager NetBossNetBossIN & Vas sideIN & Vas side @comms@comms OMC-PSOMC-PSTXN sideTXN side Huawei iManagerHuawei iManager

Network ManagementNetwork Management EMS provide Fault and Configuration capabilities for their EMS provide Fault and Configuration capabilities for their

respective NE’s.respective NE’s.

Alarm Types, Commands syntax and terminologies for hardware Alarm Types, Commands syntax and terminologies for hardware are different for each vendor.are different for each vendor.

Separate Teams and trainings required for each domain of Separate Teams and trainings required for each domain of elements.elements.

Mobilink opted for a NMS solution called TeMIP Mobilink opted for a NMS solution called TeMIP (Telecommunication Management Information Platform) provided (Telecommunication Management Information Platform) provided by HP.by HP.

One platform for all entities, translate all alarm types to standard One platform for all entities, translate all alarm types to standard format, convert generalized commands to individual EMS’s syntax.format, convert generalized commands to individual EMS’s syntax.

A single Team required to handle problems from all types of A single Team required to handle problems from all types of Network Elements.Network Elements.

Service ManagementService Management NOC engineers use TeMIP (NMS) to perform Fault and NOC engineers use TeMIP (NMS) to perform Fault and

Configuration Management to provide services to the Configuration Management to provide services to the subscriber.subscriber.

Special software are used to analyze the performance of Special software are used to analyze the performance of individual NE’s and give their feed back to operations and individual NE’s and give their feed back to operations and planning departments.planning departments.

Create Weekly, Monthly downtime and response time Create Weekly, Monthly downtime and response time reports for higher management to analyze and devise reports for higher management to analyze and devise strategies for future expansions and improvements. strategies for future expansions and improvements.

That’s the reason NOC is given the nameThat’s the reason NOC is given the name

Eyes and Heart of a Network !!!Eyes and Heart of a Network !!!

Business ManagementBusiness Management Managers and Specialists are responsible for Managers and Specialists are responsible for

proper functionality of NOC department.proper functionality of NOC department.

Analyze reports and identify areas of Analyze reports and identify areas of improvement and devise strategies to reduce improvement and devise strategies to reduce network downtime.network downtime.

Take up issues with Operations and Planning Take up issues with Operations and Planning departmentdepartment

These are the people who decide investing on These are the people who decide investing on Capex (US$80 Million TeMIP project) to reduce Capex (US$80 Million TeMIP project) to reduce Opex .Opex .

TeMIP NMSTeMIP NMS In terms on FCAPS TeMIP provides F,C,P,S.In terms on FCAPS TeMIP provides F,C,P,S. TeMIP provides the following functionality to NOC TeMIP provides the following functionality to NOC

Engineer.Engineer.

Automatic Trouble Ticket creation.Automatic Trouble Ticket creation. Tap Filter (Block unwanted alarms).Tap Filter (Block unwanted alarms). Corrective Filter (User friendly format).Corrective Filter (User friendly format). Correlations (Handle complex scenarios).Correlations (Handle complex scenarios). Transient Filters (Avoid Fluctuations).Transient Filters (Avoid Fluctuations). Outage Management (Planned Activity).Outage Management (Planned Activity). Routine checks .Routine checks .

TeMIP NMSTeMIP NMS “ “ an engineer opined to the author that network an engineer opined to the author that network

management is best described as all aspects of devising management is best described as all aspects of devising and operating networks that no one knows how to and operating networks that no one knows how to automate” D. Comer.automate” D. Comer.

On average 280,000 alarms are received a day. These On average 280,000 alarms are received a day. These alarms are handled by 50 NOC engineersalarms are handled by 50 NOC engineers

Most of the alarms are fluctuations or straight forward and Most of the alarms are fluctuations or straight forward and can be easily automated.can be easily automated.

Automated systems cannot match human decision making. Automated systems cannot match human decision making. For example Fiber break, Outage due to Power issues.For example Fiber break, Outage due to Power issues.

A single 16 STM Fiber break will generate nearly 77,500 A single 16 STM Fiber break will generate nearly 77,500 alarms alone. The process can be automated but infeasible alarms alone. The process can be automated but infeasible in terms of time, computational and resource cost. in terms of time, computational and resource cost.

Network Management ProtocolsNetwork Management Protocols

SNMP SNMP (UDP Based)(UDP Based) Q3 Q3 (TCP Based)(TCP Based) CORBA CORBA (TCP Based)(TCP Based)

Architecture of TeMIPArchitecture of TeMIP

OVSD Trouble Ticketing SystemOVSD Trouble Ticketing System

OVSD Trouble Ticketing SystemOVSD Trouble Ticketing System All Trouble Tickets created are stored in an oracle All Trouble Tickets created are stored in an oracle

database.database. These trouble tickets are notified to the relevant These trouble tickets are notified to the relevant

persons by automatic E-mail or SMS.persons by automatic E-mail or SMS. The on-site engineer accepts the T.T via e-mail or The on-site engineer accepts the T.T via e-mail or

sms which indicates that the problem is under sms which indicates that the problem is under investigation.investigation.

Any change in the status of the T.T is notified and Any change in the status of the T.T is notified and once the issue is resolved the on-site engineer once the issue is resolved the on-site engineer inform the reason via e-mail or sms and the T.T is inform the reason via e-mail or sms and the T.T is closed.closed.

This T.T system is given the name OVSD. This T.T system is given the name OVSD.

Configuration ManagementConfiguration Management TeMIP has the functionality to provide TeMIP has the functionality to provide

Configuration Management without Configuration Management without worrying about the underlying Network worrying about the underlying Network Element.Element.

Provides a standard GUI form with Provides a standard GUI form with mandatory fields highlighted for particular mandatory fields highlighted for particular tasks.tasks.

Once a command is executed, it is Once a command is executed, it is converted into the syntax understood by converted into the syntax understood by the respective EMS.the respective EMS.

Performance ManagementPerformance Management

Performance ManagementPerformance Management TeMIP provides statistical displays of T.T created TeMIP provides statistical displays of T.T created

for each type of problems in a day.for each type of problems in a day.

It provides easy extractable Excel file for creating It provides easy extractable Excel file for creating reports.reports.

It provides MAP’s to readily identify problems in It provides MAP’s to readily identify problems in the networkthe network

All these features are used by Management All these features are used by Management (Managers, HOD’s, Directors, CTO) to determine (Managers, HOD’s, Directors, CTO) to determine in one look how a network is performing.in one look how a network is performing.

Alarm Text of SNMP AlarmAlarm Text of SNMP Alarm N1_L3MTP:Signalling link failed (stopped), LINK=STK1BL16,N1_L3MTP:Signalling link failed (stopped), LINK=STK1BL16,

A tiIncTrapCleared trap was received from A tiIncTrapCleared trap was received from 10.14.2.3010.14.2.30 at at 274693740274693740..DESCRIPTIONDESCRIPTION: Trap issued by the INC to an OS with a severity value of : Trap issued by the INC to an OS with a severity value of 'cleared'. The objects contained in the variable binding list are scalar 'cleared'. The objects contained in the variable binding list are scalar objects ( with index 0 ).objects ( with index 0 ).

VARIABLES:VARIABLES:tiAlarmDateTime=20080801182933+0600tiAlarmDateTime=20080801182933+0600,,tiAlarmReportingObject={ 1 3 6 1 4 1 231 7 99 4 1000 0 },tiAlarmReportingObject={ 1 3 6 1 4 1 231 7 99 4 1000 0 },tiAlarmFaultyObject={ 1 3 6 1 4 1 231 7 99 47 1000 99 9 1 1 8 78 49 95 tiAlarmFaultyObject={ 1 3 6 1 4 1 231 7 99 47 1000 99 9 1 1 8 78 49 95 76 51 77 84 80 },76 51 77 84 80 },tiAlarmEventTypeId=communicationsAlarm,tiAlarmEventTypeId=communicationsAlarm,tiAlarmSeverity=cleared,tiAlarmSeverity=cleared,tiAlarmErrorID=1179650,tiAlarmErrorID=1179650,tiAlarmEndKey=true,tiAlarmEndKey=true,

tiAlarmDescription=N1_L3MTP:Signalling link failed(stopped), tiAlarmDescription=N1_L3MTP:Signalling link failed(stopped), LINK=STK1BL16,LINK=STK1BL16,tiAlarmSequenceNumber=47066365, tiAlarmSourceName=in9ce1-core2,tiAlarmSequenceNumber=47066365, tiAlarmSourceName=in9ce1-core2,

1.3.6.1.4.1.231.7 iso.org.dod.internet.private.enterprises.sni.siemensUnits1.3.6.1.4.1.231.7 iso.org.dod.internet.private.enterprises.sni.siemensUnits

Countries where TeMIP is used for Countries where TeMIP is used for Network ManagementNetwork Management

FranceFrance SingaporeSingapore PeruPeru CanadaCanada TaiwanTaiwan ChinaChina UKUK

References References Mobilink NMS Ph2 Functional Mobilink NMS Ph2 Functional

Specifications v1.0-SSpecifications v1.0-S http://www.mobilinkgsm.comhttp://www.mobilinkgsm.com Price comparison figures taken from Price comparison figures taken from

optus brochureoptus brochure http://www.abs.gov.au/ausstats/http://www.abs.gov.au/ausstats/

abs@.nsf/abs@.nsf/94713ad445ff1425ca25682000192af2/94713ad445ff1425ca25682000192af2/1647509ef7e25faaca2568a900154b63?1647509ef7e25faaca2568a900154b63?opendocumentopendocument

THANK YOU for your time THANK YOU for your time ANY Questions !!!!!!!ANY Questions !!!!!!!