1. INFN-GRID Work Package 5 - NETWORK
INFN GRID WP 5: NETWORK
Areas :
LAN Technologies
Data Transport Protocols for an efficient utilization of the network
resources
Quality of Service
Application characterization
QoS implementation
Dynamic network configuration
New communication technologies
WDM
DWDM
Multiprotocol lambda switching
INFN-GRID Work Package 5 - NETWORK

2. INFN-GRID Work Package 5 - NETWORK
Framework:
activities shared with DATAGRID WP Network
collaboration with INFN GRID Computing Fabric WP and
Testbed WP
dedicated experimental network set-up, in collaboration with
GARR-G
Goal:
definition of guidelines for the engineering of a network
architecture suitable for the GRID environment
topology (LAN and WAN)
transport protocols
transmission technology
INFN-GRID Work Package 5 - NETWORK

3. INFN-GRID Work Package 5 - NETWORK
1) LAN Technologies
CONTENT:
a) topology, transmission tehcnologies and connectivity to the WAN
for the implementation of the LAN and of the Computing Fabirc
SAN, NAS, ...
b) Transport protocols for conputing clusters:
GAMMA, ...
In collaboration with the computing fabric WP
INFN-GRID Work Package 5 - NETWORK

4. INFN-GRID Work Package 5 - NETWORK
2) Data Transport Protocols
CONTENT:
Evaluation/tuning of exisiting transport protocols
RTT-related issues, mechanisms for congestion control
Performance of existing data transfert protocols
Nexus (GLOBUS)
Group communication protocols (consistency of replicated databases)
Distributed Object protocols: CORBA/IIOP
Internet backplane protocol
Scalable reliable multicast
...
INFN-GRID Work Package 5 - NETWORK

5. INFN-GRID Work Package 5 - NETWORK
3) Quality of Service
CONTENT:
Application characterization
In collaboration with the WP HEP applications
QoS implementation
Intserv / diffserv
Service definition
Tuning (scheduling, policing, shaping)
Dynamic network configuration
INFN-GRID Work Package 5 - NETWORK

6. INFN-GRID Work Package 5 - NETWORK
4) New communiaction technologies
CONTENT:
Wavelength Division Multiplexing (WDM) baseline testing
Advance tesing
Dense WDM
Multiprotocol lambda switching (MPLS and DWDM)
Optical cross-connecting
Collaboration with
GARR-G (MURST project)
GEANT
INFN-GRID Work Package 5 - NETWORK

7. INFN-GRID Work Package 5 - NETWORK
DELIVERABLES
Deliverable Description Delivery Date
D QoS: Definition of QoS requirements, performance analysis on
a QoS-capable networked grid layout;
Months 0-12
D Protocols: identification of possible improvements of
the existing protocols and evaluation of new ones Months 0-18
D Evaluation of optical technologies and experiments on a
WDM layout
Months 0-24
INFN-GRID Work Package 5 - NETWORK

8. INFN-GRID Work Package 5 - NETWORK
MILESTONES
Milestone Description Date
M Identification of the network issues of the application and
grid middleware; definition of the network architecture
(production-based or VPN) Month 12
M Definition of the QoS architecture; Month 12
M5.3 Evaluation of the possibilities to access to optical
network services for the grid specific needs Month 24
INFN-GRID Work Package 5 - NETWORK

9. INFN-GRID Work Package 5 - NETWORK
Contribution
INFN-GRID Work Package 5 - NETWORK

10. INFN-GRID Work Package 5 - NETWORK
Materials (K€)
equipment
2001
2002
2003
Equipment for optical network
250
INFN-GRID Work Package 5 - NETWORK

11. INFN-GRID Work Package 5 - NETWORK
consumables (K€)
description
2001
2002
2003
network links 50
INFN-GRID Work Package 5 - NETWORK