NIMH Bulgaria RTH SOFIA STATUS OF RTH Sofia

NIMH, Bulgaria RTH SOFIA STATUS OF RTH Sofia Submitted by Mariana Grueva, Head of Telecommunication Division, NIMH Sofia, Bulgaria ISS/ICM-MTN & ET-OI 2008/Doc. 2. 15 Geneva, 23 -26 September 2008

NIMH, Bulgaria RTH SOFIA • RTH - Sofia’s zone of responsibility as appointed to the regional meteorological telecommunication plan are: Albania, Bulgaria, Cyprus, The Former Yugoslav Republic of Macedonia, Romania, Serbia and Syrian Arab Republic. • RTH - Sofia successfully migrated to the RMDCN IP/VPN MPLS (OBS) on 18. 06. 2007 • RTH – Sofia use TCP/IP as the data transport protocol, with FTP, to all connections.

NIMH, Bulgaria RTH SOFIA In the latter years RTH Sofia work successfully on the connection of the NMCs of its zone of responsibility and some NMCs of Balkan states into the GTS through RTH Sofia. NMCs in Tirana (Albania), Podgorica (Montenegro) and Sarajevo (Bosnia and Herzegovina) were connected into the GTS. The connections were accomplished by WMO VCP Coordinated Projects implemented in the relevant country to solve the significant problems of some NMCs to fulfill their requirements for international exchange of data and products keeping balance of costs, availability and functionality. The connections provide exchange of data/products on the GTS through RTH Sofia based on public Internet and VPN IPSec technology. However the realized Projects provide an effectiveness exchange on the GTS.

NIMH, Bulgaria RTH SOFIA RMDCN IP/VPN MPLS NMC BELGRADE Interne t RTH PRAGUE RTH SOFIA NMC TIRANA RTH TOULOUSE MTN NMC SARAJEVO NMC SKOPJE WMC MOSCOW NMC PODGORICA NMC BUCHAREST AFTN NMC ATHENS NMC LARNACA NMC DAMASCUS

NIMH, Bulgaria RTH SOFIA • RTH – Sofia/NMCs of the zone of responsibility implementation status on GTS circuits: № 1. 2. 3. 4. Circuit Sofia - Prague Sofia - Toulouse Sofia - Bucharest Sofia – Skopje Status Technical info: LS - Link. Speed BW – Band. Width Co. S – Class of Service MCS – Mission Critical Site Protocol Data type MTN IP/VPN MPLS (OBS): Sofia: LS/BW=512 K/512 K Co. S: Gold Enchanced, NAS=128 K Prague: LS/BW=2 M/2 M Co. S: Gold Enchanced, NAS=1 M FTP WMO A/N, BIN FAX RMTN IP/VPN MPLS (OBS): Sofia: LS/BW=512 K/512 K Co. S: Gold Enchanced, NAS=128 K Touluse: LS/BW=4 M/3 M Co. S: Gold MCS, Dual access FTP WMO A/N, BIN FAX RMTN IP/VPN MPLS (OBS): Sofia: LS/BW=512 K/512 K Co. S: Gold Enchanced, NAS=128 K Bucharesti: LS/BW=2 M/256 K Co. S: Gold Enchanced, NAS=128 K FTP WMO A/N, BIN FAX RMTN IP/VPN MPLS (OBS): Sofia: LS/BW=512 K/512 K Co. S: Gold Enchanced, NAS=128 K Skopje: LS/BW=128 K/128 K Co. S: Gold Enchanced, NAS=128 K FTP WMO A/N. BIN FAX Future (2009 -20010) IP/VPN MPLS (OBS) Sofia: LS/BW = 1 M/1 M 5

NIMH, Bulgaria RTH SOFIA № Circuit Status Technical info: LS - Link. Speed BW – Band. Width Co. S – Class of Service MCS – Mission Critical Site 5. Sofia – Belgrade (NO) RMTN 6. Sofia - Tirana RMTN IPSec VPN on Internet 7. Sofia - Podgorica RMTN IPSec VPN on Internet 8. Sofia – Sarajevo RMTN IPSec VPN on Internet 9. Sofia – Larnaca (NO) RMTN 10. Sofia – Damascus (NO) RMTN AFTN 11. Bucharest – Kishinev RMTN Telephone leased line Async, PPP, 19, 2 kbps 12. Larnaca – Athens bilateral 13. Belgrade – Vienna bilateral Protocol Data type Future (2009 -20010) on RMDCN FTP WMO A/N, BIN FAX Should be a Project for a connection of NMC Larnaca to RTH Sofia by VPN/Internet. Digital line IP/VPN MPLS (OBS): Belgrade: LS/BW=512 K/512 K Co. S: Gold Enchanced, NAS=256 K Vienna: LS/BW=2 M/1 M Co. S: Gold Enchanced, NAS=512 K ASCII FTP Should be a Project for a connection of NMC Damascus to RTH Sofia by VPN/Internet. ASCII, Binary FTP WMO A/N, BIN FAX 6

NIMH, Bulgaria RTH SOFIA № 14. Circuit Belgrade Offenbach Status Technical info: LS - Link. Speed BW – Band. Width Co. S – Class of Service MCS – Mission Critical Site bilateral IP/VPN MPLS (OBS): Belgrade: LS/BW=512 K/512 K Co. S: Gold Enchanced, NAS=256 K Offenbach: LS/BW=2 M/2 M Co. S: Gold MCS, Dual access Through Internet – as back up 15. Belgrade Budapest bilateral IP/VPN MPLS (OBS): Belgrade: LS/BW=512 K/512 K Co. S: Gold Enchanced, NAS=256 K Budapest: LS/BW=1 M/1 M Co. S: Gold Enchanced, NAS=256 K 16. Belgrade. Podgorica bilateral Through Internet Protocol Data type FTP WMO A/N, BIN FAX Future (2009 -20010) FTP 7

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NIMH, Bulgaria RTH SOFIA Basic infrastructure of RTH Sofia Internet access and servers DMZ Web Mail DNS FTP anonymous VPN + Proxy IPSec Application level Real IP addresses Zone of responsibility Интерне DMZ т Extranet Web / FTP Rest network Intranet Gateway Firewall users Internet Gateway Firewall tunnels IP Sec Internet unnels IPSec Operative sub network Intranet NIMH RBSN/RBCN stations VPN+IPSec Transmet + DB Operative sub network Firewall VPN+ IPSec NIMH corporate network (branch offices) Intranet RMDCN

NIMH, Bulgaria RTH SOFIA Details RTH Sofia NMC Bucharest Message Switching System NMC Belgrade MSS TRANSMET (Meteo France) running on OS Linux (Slackware) and Circuits. Intel based PCs. To be assured stable operation the MSS consists of two sub -systems: operational and standby. RMDCN; √ RMDCN Installed in 2002 by RTH Sofia. WMC Moscow IPSec VPN over Internet Data base system - developed by RTH Sofia. RTH Vienna ECMWF The VCP Coordinated Projects RTH Offenbach NMC Skopje √ NMC Chisinau - a PTT analogue link (19. 2 - 33 Kbps) the connection of the NMCs Tirana/Podgorica/Sarajevo into the Other systems: NMC for Damascus NMC Budapest GTS through RTH Sofia on public Internet; AFD ECMWF Installed by RTH Sofia. RETIM 2000 The Projects propose: AFTN - V. 35 Message Switching System METEOSAT MSG Message Switching System ■ IPSec VPN over Internet ■ PC -based file distribution system at NMCs MESSIR-COMM (Corobor) Internet RETIM 2000 - receiver, MESSIR VISION application. MESSIR – Comm (COROBOR) AFD MSG system by COROBOR - 2006 Other systems: RTH-Sofia implements all of Internet services and Internet technologies as Satellite distribution systems: VPN, security methods and technologies, etc. The Projects were implemented in: RETIM 2000 RTH-Sofia implements WWW and Web technologies in operational mode DWDSAT NMC Tirana, Albania on March 2006 NTSADIS NMC Podgorica, Montenegro on April 2008 for data/products collection using authentication procedures. KONGSBERG SPACETC’S MSG Ground receiving station NMC Sarajevo, BIH on May 2008

Basic N e t w o r k C o n f i g u r a t i o n RTH-Sofia DMZ VPN+IPSec+ Firewall PC Free. BSD/ Linux opt i c POP Internet / ne li d e s te lea telli sa NMCs-Tirana/Podgorica/Sarajevo DMZ POP VPN+IPSec+ Firewal + NAT PC Free. BSD/ Linux Internet Access Device PC LAN Linux FTP server + AFD Intranet PC Windows operator work place IPSec Tunnel + IPSec

NIMH, Bulgaria RTH SOFIA Back-up systems • Transfer of bulletins to RTH-Sofia by using of HTTPS protocol • Exchange of data by using of e-mail

NIMH, Bulgaria D a t a C o l e c t i o n S y s t e m RTH SOFIA Internet RTH-Sofia x. txt Server WWWSSL DMZ HTTPS RBSN/RBCN/NMCs browser file x. txt DMZ PC Windows

RTH SOFIA Problems About connection to the GTS √ There is a NMC not connected to GTS yet: NMC Damascus has a problem in receiving data through AFTN. Due to high cost of the GTS connection’s offering they have not plan about. Proposal: Based on the recommendation of RAVI WG PIW, fifth session а VCP Project : VPN/IPSec over Internet connection between RTH Sofia and NMC Damascus to be announced. √ NMC Larnaca uses low speed connection to GTS via NMC Athens The attempt of RTH Sofia could be apply in NMC Larnaca for the VPN/IPSec over Internet connection The attempt of RTH Sofia could be apply in NMC Larnaca for the VPN/ between RTH Sofia and NMC Larnaca by the implementation of a relevant project;

NIMH, Bulgaria RTH SOFIA TRAINING During the Project implementations all NMCs expressed request for an additional training about the new installed systems and technologies, the current GTS and it in the near, data formats and so on. Their requests are reflected in the relevant final reports sent to WMO. In regard to this I suggest a workshop to be carried out in Sofia under assistance of WMO where the experts from RTH Sofia to lead the training course (in practice as well) by programme confirmed to WMO. OTHERS The relevant Vol. C 1 are not updated for some countries of the RTH Sofia’s zone of responsibility. In result the list of stations for monitoring is not correct and the results from the monitoring, too.

NIMH, Bulgaria RTH SOFIA Migration to WIS NIMH plans to become a DCPC in the WIS structure.

RTH SOFIA THANK YOU