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EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
OVERVIEW
 EUMETSAT
 Background
 WAN links
 Multicast accross GÉANT infrastructure
 Summary of Experience
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
EUMETSAT mission statement represents a
commitment to actively deliver data to users,
24/7, 365 days a year.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
BACKGROUND
EUMETSAT requires terrestrial WAN links for:
 Data acquisition from EUMETSAT Ground stations
 Exchange of data with worldwide distributed bi-lateral
partners
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
EUMETSAT PERSPECTIVES ON THE USE OF GÉANT
 Using existing European Infrastructure in a cost efficient
way.
 Build up of a strong relationship with a European
Infrastructure provider.
 Enhance existing connectivity by the addtion of GÉANT
based links.
 Exploring and enhancing knowledge in the area of
multicast across terrestrial links.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
DATA ACQUISITION FROM GROUND STATIONS
Operational implementation of redundant links between:
 Svalbard and EUMETSAT HQ (2011)
 Fucino and EUMETSAT HQ (2011)
Meteosat antenna
Usingen, Germany
Meteosat antenna
Fucino, Italy
Metop antenna
Spitzbergen, Norway
Jason antenna
Usingen, Germany
Operational usage of GÉANT based network links as backup to the prime connections
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
DATA EXCHANGE WITH BI-LATERAL PARTNERS
 Data exchange in the context of bi-lateral agreements.
 In support to WMO and CGMS activities.
 Partners are located worldwide:
 Europe
 Asia Pacific
 United States
 South America
 Typically the same set of initial data is required by each,
therefore, there was the need to explore terrestrial multicast.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
MULTICAST AS THE SOLUTION TO SCALABLE
DISSEMINATION
 Same data to many users.
 Highly scalabe solution for data providers as well as data
recipients.
 All users receive the same service.
 Avoids unnecessary data duplication or replication.
 Terrestrial multicast is based on a client-initiated subscription.
 EUMETSAT has many years of experience in multicast.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
MULTICAST ACCROSS GÉANT and NREN
INFRASTRUCTURE
Exploring the multicast usage on GÉANT infrastructure in
Europe and their connectivity worldwide:
 2011: Proof of concept on terrestrial multicast on GÉANT
testbed.
 2012: Three month feasability study on terrestrial multicast
via GÉANT.
 2013: Multicast test to Korea via GÉANT.
 2014: Two year prototype emulating operational scenarios
of multicast across GÉANT and NREN infrastructure
(contract set up in final steps).
 2014: Multicast test to US via GÉANT.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
TWO YEAR PROTOTYPE
 It is important to gather the relevant expertise of multicast via
terrestrial networks in order to make qualified recommendations
for the future.
 The use of multicast is considered beneficial for a harmonisation
of existing data delivery mechanisms.
 Based on the positive experiences gathered during the 2012
feasibility study an extended prototype of a terrestrial multicast
component based on GÉANT was initiated.
 Datasets that need to reach many (more than 10) users but do
not require a full broadcast.
 Users in this context are organisations or institutes that would
otherwise obtain the data via Internet-kind services.
 Datasets that are to be transported outside Europe for the
purpose of data provision to EUMETSAT partners.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
TWO YEAR PROTOTYPE II
 Re-cap: What is terrestrial multicast via GÉANT intended
for?
 Typically large volume datasets that do not require a
stringent SLA.
 The prototype operation over a time frame of two years will
allow an in depth analysis of terrestrial multicast and the
related user needs.
 It is planned to connect app. 5-7 European sites to the
prototype including a multicast connection to Asia (Korea)
and the US.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
Concept I
 Usage of GÉANT
infrastructure in Europe and
their connectivity worldwide.
 To setup a network
infrastructure that enables test
sites to connect to the
terrestrial multicast
dissemination.
 The terrestrial multicast is still
considered a prototype.
 The central multicast platform
will multicast via the
connected NRENs and the
GÉANT infrastructure to
standard EUMETCast
reception stations.
GEANT/
NRENs
EUMETCast
Platform
(MMDS)
EUMETCast
User Stations
Reference
Stations
Multicast
...
Multicast
Multicast
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
Concept II
 The key element of the concept is to enable access to terrestrial prototype
dissemination using a Service Contract with DANTE.
 DANTE will perform the necessary managment tasks in the cooperation
between NRENs and DANTE covering:
A) Technical aspects
- Enabling of multicast in the NRENs
- Network level monitoring
- Support during acceptance testing
B) Service interactions between EUMETSAT, DANTE and NREN Network
Operations Centres.
C) Anomalies and Enhancements coordination.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
Concept III
Characteristics
 European wide multicast dissemination of
data volumes of up to 100 Mbit/s per
logical service. Multiple services are
possible.
 SSM Multicast Mode with IGMP V3.
 Usage of standard EUMETCast reception
station.
 Monitoring of the multicast capability of
each NREN using dbeacons.
 Monitoring of the availability of the
EUMETCast announcement channel up to
each Site access point.
 Usage of several reference stations
(ideally one per country) for a closed-loop
monitoring of the overall service.
 Monitoring of data completeness.
 Escalation scheme in case of outages.
Management
 Standard user management.
 Data contents as currently typically requested
by the bi-lateral and cooperation partners.
Constraints
 Access for public-sector non-profit sites only.
 Not all NRENs might support multicast.
 No guaranteed service level.
 Timeliness cannot be guaranteed.
 It is a realistic goal to achieve data
completeness (via multicast configuration
parameters) but it cannot be formally
guaranteed.
 Volumes beyond 100Mbit/s have not been
tested yet.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
Slide: 14
OPPORTUNITY FOR HARMONISED DISSEMINATION
MEANS AND USER INTERFACE
 Harmonised subcription model
 Dissemination means are
transparent to the user:
 Same reception station
 Same transport software
 Same level of data security
 Same user management
 Same data management
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
Implementation plan and schedule
 Service contract was signed March 2014 with an initial
duration of 2 years, several options and extensions can be
exercised if required.
 The implementation will have 4 phases:
 Phase I: Ready all NRENs for multicast. Start: Q2 2014.
 Phase II: Set up an “initial core network” with the help of the
volunteering prototype sites. Start: Q3 2014.
 Phase III: Perform tuning activities on network and also on
application level until a satisfactory overall service has been
reached within the initial core network. Start: Q4 2014.
 Phase IV: Debrief on prototype dissemination to EUMETSAT
Member States. Spring 2015 delegate bodies.
 There is no commitment as yet whether to operate this
terrestrial multicast operationally.
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
TIMELINE SUMMARY
 2009: Analysis of GÉANT portfolio and high level meeting
with EC.
 2011: Prove of concept using GÉANT testbed.
 2011-2012: Operational implementation of GÉANT based
Ground Station links.
 2012: Feasability study of multicast accross GÉANT and
NREN infrastructure.
 2013: Multicast test via GÉANT to Korea.
 2014 (Q3): Multicast test via GÉANT to United States.
 2014 (Q4): Two year prototype emulating operational.
scenarios of multicast accross GÉANT and NREN.
infrastructure
EUM-WP-07.ppt, Draft v1, 10 March 2014
Coordination Group for Meteorological Satellites - CGMS
SUMMARY OF EXPERIENCE
 Highly positive overall experience.
 Scalable GÉANT infrastructure.
 Positive experience of multicast dissemination across WAN.
 Single point of contact for interaction.
 Strong partner and with strong expertise to support wider-
scale prototyping activities.
 Allows seamless integration of solutions in addition to
existing capabilities.

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Pilot of terrestrial data dissemination of high volume data - EUMETCast User Forum 2014

  • 1. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS OVERVIEW  EUMETSAT  Background  WAN links  Multicast accross GÉANT infrastructure  Summary of Experience
  • 2. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS EUMETSAT mission statement represents a commitment to actively deliver data to users, 24/7, 365 days a year.
  • 3. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS BACKGROUND EUMETSAT requires terrestrial WAN links for:  Data acquisition from EUMETSAT Ground stations  Exchange of data with worldwide distributed bi-lateral partners
  • 4. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS EUMETSAT PERSPECTIVES ON THE USE OF GÉANT  Using existing European Infrastructure in a cost efficient way.  Build up of a strong relationship with a European Infrastructure provider.  Enhance existing connectivity by the addtion of GÉANT based links.  Exploring and enhancing knowledge in the area of multicast across terrestrial links.
  • 5. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS DATA ACQUISITION FROM GROUND STATIONS Operational implementation of redundant links between:  Svalbard and EUMETSAT HQ (2011)  Fucino and EUMETSAT HQ (2011) Meteosat antenna Usingen, Germany Meteosat antenna Fucino, Italy Metop antenna Spitzbergen, Norway Jason antenna Usingen, Germany Operational usage of GÉANT based network links as backup to the prime connections
  • 6. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS DATA EXCHANGE WITH BI-LATERAL PARTNERS  Data exchange in the context of bi-lateral agreements.  In support to WMO and CGMS activities.  Partners are located worldwide:  Europe  Asia Pacific  United States  South America  Typically the same set of initial data is required by each, therefore, there was the need to explore terrestrial multicast.
  • 7. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS MULTICAST AS THE SOLUTION TO SCALABLE DISSEMINATION  Same data to many users.  Highly scalabe solution for data providers as well as data recipients.  All users receive the same service.  Avoids unnecessary data duplication or replication.  Terrestrial multicast is based on a client-initiated subscription.  EUMETSAT has many years of experience in multicast.
  • 8. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS MULTICAST ACCROSS GÉANT and NREN INFRASTRUCTURE Exploring the multicast usage on GÉANT infrastructure in Europe and their connectivity worldwide:  2011: Proof of concept on terrestrial multicast on GÉANT testbed.  2012: Three month feasability study on terrestrial multicast via GÉANT.  2013: Multicast test to Korea via GÉANT.  2014: Two year prototype emulating operational scenarios of multicast across GÉANT and NREN infrastructure (contract set up in final steps).  2014: Multicast test to US via GÉANT.
  • 9. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS TWO YEAR PROTOTYPE  It is important to gather the relevant expertise of multicast via terrestrial networks in order to make qualified recommendations for the future.  The use of multicast is considered beneficial for a harmonisation of existing data delivery mechanisms.  Based on the positive experiences gathered during the 2012 feasibility study an extended prototype of a terrestrial multicast component based on GÉANT was initiated.  Datasets that need to reach many (more than 10) users but do not require a full broadcast.  Users in this context are organisations or institutes that would otherwise obtain the data via Internet-kind services.  Datasets that are to be transported outside Europe for the purpose of data provision to EUMETSAT partners.
  • 10. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS TWO YEAR PROTOTYPE II  Re-cap: What is terrestrial multicast via GÉANT intended for?  Typically large volume datasets that do not require a stringent SLA.  The prototype operation over a time frame of two years will allow an in depth analysis of terrestrial multicast and the related user needs.  It is planned to connect app. 5-7 European sites to the prototype including a multicast connection to Asia (Korea) and the US.
  • 11. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS Concept I  Usage of GÉANT infrastructure in Europe and their connectivity worldwide.  To setup a network infrastructure that enables test sites to connect to the terrestrial multicast dissemination.  The terrestrial multicast is still considered a prototype.  The central multicast platform will multicast via the connected NRENs and the GÉANT infrastructure to standard EUMETCast reception stations. GEANT/ NRENs EUMETCast Platform (MMDS) EUMETCast User Stations Reference Stations Multicast ... Multicast Multicast
  • 12. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS Concept II  The key element of the concept is to enable access to terrestrial prototype dissemination using a Service Contract with DANTE.  DANTE will perform the necessary managment tasks in the cooperation between NRENs and DANTE covering: A) Technical aspects - Enabling of multicast in the NRENs - Network level monitoring - Support during acceptance testing B) Service interactions between EUMETSAT, DANTE and NREN Network Operations Centres. C) Anomalies and Enhancements coordination.
  • 13. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS Concept III Characteristics  European wide multicast dissemination of data volumes of up to 100 Mbit/s per logical service. Multiple services are possible.  SSM Multicast Mode with IGMP V3.  Usage of standard EUMETCast reception station.  Monitoring of the multicast capability of each NREN using dbeacons.  Monitoring of the availability of the EUMETCast announcement channel up to each Site access point.  Usage of several reference stations (ideally one per country) for a closed-loop monitoring of the overall service.  Monitoring of data completeness.  Escalation scheme in case of outages. Management  Standard user management.  Data contents as currently typically requested by the bi-lateral and cooperation partners. Constraints  Access for public-sector non-profit sites only.  Not all NRENs might support multicast.  No guaranteed service level.  Timeliness cannot be guaranteed.  It is a realistic goal to achieve data completeness (via multicast configuration parameters) but it cannot be formally guaranteed.  Volumes beyond 100Mbit/s have not been tested yet.
  • 14. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS Slide: 14 OPPORTUNITY FOR HARMONISED DISSEMINATION MEANS AND USER INTERFACE  Harmonised subcription model  Dissemination means are transparent to the user:  Same reception station  Same transport software  Same level of data security  Same user management  Same data management
  • 15. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS Implementation plan and schedule  Service contract was signed March 2014 with an initial duration of 2 years, several options and extensions can be exercised if required.  The implementation will have 4 phases:  Phase I: Ready all NRENs for multicast. Start: Q2 2014.  Phase II: Set up an “initial core network” with the help of the volunteering prototype sites. Start: Q3 2014.  Phase III: Perform tuning activities on network and also on application level until a satisfactory overall service has been reached within the initial core network. Start: Q4 2014.  Phase IV: Debrief on prototype dissemination to EUMETSAT Member States. Spring 2015 delegate bodies.  There is no commitment as yet whether to operate this terrestrial multicast operationally.
  • 16. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS TIMELINE SUMMARY  2009: Analysis of GÉANT portfolio and high level meeting with EC.  2011: Prove of concept using GÉANT testbed.  2011-2012: Operational implementation of GÉANT based Ground Station links.  2012: Feasability study of multicast accross GÉANT and NREN infrastructure.  2013: Multicast test via GÉANT to Korea.  2014 (Q3): Multicast test via GÉANT to United States.  2014 (Q4): Two year prototype emulating operational. scenarios of multicast accross GÉANT and NREN. infrastructure
  • 17. EUM-WP-07.ppt, Draft v1, 10 March 2014 Coordination Group for Meteorological Satellites - CGMS SUMMARY OF EXPERIENCE  Highly positive overall experience.  Scalable GÉANT infrastructure.  Positive experience of multicast dissemination across WAN.  Single point of contact for interaction.  Strong partner and with strong expertise to support wider- scale prototyping activities.  Allows seamless integration of solutions in addition to existing capabilities.