Transcript RTH SOFIA STATUS OF IMPLEMENTATION OF RTH Sofia Submitted by Mariana Grueva, Head of Telecommunication Division, NIMH Sofia, Bulgaria ISS/ICM-MTN & ET-OI 2006 Geneva, 16-19 May 2006

RTH SOFIA
STATUS OF IMPLEMENTATION OF
RTH Sofia
Submitted by Mariana Grueva,
Head of Telecommunication Division,
NIMH Sofia, Bulgaria
ISS/ICM-MTN & ET-OI 2006
Geneva, 16-19 May 2006
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 Montenegro and Syrian Arab Republic.
• RTH - Sofia successfully migrated to the Regional Meteorological Data
Communication Network (RMDCN) in Region VI (in March
2000).
• RTH – Sofia use TCP/IP as the data transport protocol, with FTP, to all
connections.
RTH SOFIA
Types of data received in RTH Sofia
ASCII - 13%
GRIB - 9%
T4 - 39%
ALADIN - 39%
RTH SOFIA
Number of bulletins received in RTH Sofia
ASCII - 95%
GRIB - 4%
T4 - 1%
ALADIN - < 1%
Circuits
RTH
SOFIA
RMDCN;
RTH PRAGUE
RTH TOULOUSE
WMC MOSCOW
IN
OUT (Kbps)
RTH Vienna
8
8
RTH Offenbach: 32
16
IPSec
VPN
over
Internet
NMC Budapest
16
8
ECMWF:
64
16
The VCP Coordinated
TheProject:
Project of RTH Sofia was implemented in NMCInternet
RA
VI
RMDCN
VPN
Implementation of Message
the
GTSSwitching
over the Internet
Tirana
oncircuit
March Tirana/Sofia
2006
System
NMC BELGRADE
Message Switching System
Facilities:
MSS TRANSMET (Meteo France) running on OS Linux (Slackware) and
The presented project cover the necessity for operative international
Communications
Intel
based PCs
(Pentium
IV - 2 MHz).
MESSIR
– Comm
(COROBOR)
telecommunication link
of
NMC-Tirana
into
the
GTS under the recommendationsNMC
of TIRANA
Installed
in 2002
byprofessional
RTH Sofia.
Windows
server
2003
- LAN access
to POP
WMO.
Data base system
- developed
by RTH
Length
of bulletins
thatSofia.
can be handled
•VPN server
Circuits
RTH
SOFIA
300K
The Project propose:
Maximum
length
of bulletins
: upgrade the system
- software
on
PC/Free
BSD
AFD emulation based
of 2006
the target
date
to
■ PC -based file distributionEnd
system
at isNMC-Tirana;
alphanumeric
–
15KB
√ RMDCN
Installed
RTH Sofia. and to reach the 500K.
■ IPSec VPN
over by
Internet.
IN
OUT binary
(Kbps) – no limit
Goal
WMC Moscow
16
8 distribution systems:
Satellite
The point of the Project
is the
establishment of “Virtual Private Network” (VPN)
Other
systems:
ECMWF
64
8
over
the public Internet.
Corporative Intranet
environment
– VPN technologies
NMC SKOPJE
DWDSAT
RETIM2000
√ NMC Chisinau - a PTT analogue
link (19.2 - 33 Kbps)RTH-Sofia ↔ NMC-Tirana
NTSADIS
METEOSAT
MSG SPACETC’S MSG Ground receiving station
How
KONGSBERG
RTH-Sofia implements all of Internet services and Internet technologies
Message Switching System
as VPN, over
securityglobal
methods
and technologies, etc.
NMC BUCHAREST
Data exchange
Internet
RTH-Sofia
implements
WWW-server
and Web technologies.
MESSIR-COMM (Corobor)
 IPsec technology
Length of bulletins
that
can be handled
AFTN
- V.35
AFTN
500K

RETIM2000 - receiver,MESSIR VISION application.
Other systems:
NMC ATHENS
MSG system by COROBOR
- 2006
NMC LARNACA
RETIM2000
NMC DAMASCUS
RTH-Sofia
n
e
t
w
o
r
k
VPN+IPSec+ Firewall
PC
DMZ
Free
(4)
BSD
leased
line
POP
Internet
POP
c
o
n
f
i
g
u
r
a
t
i
o
n
leased line
NMC-Tirana
VPN+IPSec+ Firewal +
NAT
DMZ
PC
Free
(1)
BSD
Internet Access Device
PC
(2)
LAN
Linux
FTP server
+
AFD
Intranet
PC
(3)
Windows
operator work place
IPSec Tunnel +
IKE
RTH SOFIA
Back-up systems
•
Transfer of bulletins to RTH-Sofia by using of HTTPS
protocol
•
Exchange of data by using of e-mail
RTH SOFIA
Advantages:
√ By connecting NMC Tirana to GTS is decreased the number of NMCs in the RTH
Sofia’s zone of responsibility not included to the GTS;
√ RTH Sofia and all associated NMCs in the zone of responsibility use Internet;
√ Using of e-mail for the administrative exchange of message;
√ Promptly and in time change of the set of data exchanged in the zone of
responsibility by a NMC request and between MTN RTHs, as well.
RTH SOFIA
Problems
About connection to the GTS
√ There is a NMC not connected to GTS yet:
NMC Damascus
VPN/IPSec over Internet connection between RTH Sofia and NMC Damascus –
recommendation of RAVI WG PIW, fifth session;
√ 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
between RTH Sofia and NMC Larnaca by the implementation of a relevant project;
About equipments
RTH Sofia needs of the hardware upgrade.
ABOUT ADMINISTRATIVE COMMUNICATIONS
The exchange of administrative messages to/from NMC Skopje is very difficult to its focal point.
OTHERS
A need of training – new telecommunication/IT technologies.
RTH SOFIA
END
RTH SOFIA
RA VI RMDCN
Internet
NMC BELGRADE
NMC TIRANA
RTH PRAGUE
RTH SOFIA
RTH TOULOUSE
NMC SKOPJE
WMC MOSCOW
NMC BUCHAREST
AFTN
NMC ATHENS
NMC LARNACA
NMC DAMASCUS
RTH SOFIA