Page 1Heanet, November 2005 P.Kaufmann/DFN Vertically Integrated Optical Testbed for Large Applications in DFN Implementation of a testbed for optical networking as a cooperation of industrial and research partners Peter Kaufmann (DFN-Verein) Ferdinand Hommes (FhG/IMK) November VIOLA

Page 2Heanet, November 2005 P.Kaufmann/DFN Project and Partners Organized as consortium, Leader: DFN-Verein Members of consortium: –Alcatel SEL AG, T-Systems International GmbH, –Siemens AG, FhG (IMK, SCAI), –FZ Jülich, Stiftung caesar, –Univ. Bonn, FH Bonn-Rhein-Sieg (U Appl. Sc.) –RWTH Aachen Associated partner: GasLINE, Navtel, Univ. Erlangen Term of Project: 3 Years –Start of VIOLA: June 2004 –Funding: ca. 11 M€ from BMBF (Ministry of Research) –Total costs: ca. 20 M€

Page 3Heanet, November 2005 P.Kaufmann/DFN General Goals (1) Test & evaluation of current developments of netwoking technology including signalling & management –State-of-the-art (pre-)products of industrial partners –Signalling mechanisms and interfaces –Wide area field tests, laboratory environment for specific tests Preparation for X-WIN of DFN (successor of G-WIN) –Call for tender for fiber+WDM late 2004; implementation since Summer 2005; –Implementation of (new) routing/switching equipment in 2006/07; –Implementation as a stepwise process with increasing service complexity; Implementation of a vertical testbed –Applications –Middleware tools –Optical transport technology for IP, SDH and GE

Page 4Heanet, November 2005 P.Kaufmann/DFN Testbed Topology

Page 5Heanet, November 2005 P.Kaufmann/DFN Components & Connections

Page 6Heanet, November 2005 P.Kaufmann/DFN Equipment (1) Equipment and Connectivity offers: –Different SDH-domains –In triangel in parallel with up to 10 Gbps: SDH-connectivity and L2-Ethernet-connectivity –User access with n * GE –e2e-connectivity via L2-service or via L2/SDH-service

Page 7Heanet, November 2005 P.Kaufmann/DFN Equipment (2) Alcatel 1678 (SDH-Cross-Connect) –Interfaces: up to 10 Gbps-SDH (STM-64) and GE, with GFP –Signalling: OIF/UNI-N 1.0 R2 and E-NNI Alcatel 7750 SR (Router) –Interfaces: up to 10 Gbps-SDH, GE and 10GE, L2-Service: VPLS (H-VPLS) Riverstone (GE-Switch) –Interfaces: GE and 10GE, L2-Service: VPLS (H-VPLS) Siemens SURPASS hiT 7070 (SDH Cross-Connect) –Interfaces: up to 10 Gbps SDH (STM-64) and GE, with GFP –Signalling: I-NNI, Cross-connect capacity: 160 Gbit/s Siemens/Sycamore Networks SN16000 (SDH Cross-Connect) –Interfaces: up to 10 Gbps SDH (STM-64), –Signaling: E-NNI, I-NNI, OIF/UNI 1.0 R2, Cross-connect capacity: 2.5 Tbit/s

Page 8Heanet, November 2005 P.Kaufmann/DFN Network Signalling (1) Applications Layer 2 ServicesLayer 3 Services DWDMCWDMFiber SDH Cross Connects GFP/LCAS VPLS/HVPLS GRID Virtual Reality Layer 3 VPNs MPLS GMPLS / UNI / I-NNI / E-NNI (GMPLS, all optical Switch) Layer 2/3 Switch/Router

Page 9Heanet, November 2005 P.Kaufmann/DFN Network Signalling (2) Interworking in optical transport networks Signalling concepts: analysis and test them, contribution to specification –GMPLS for IP-based control plane (IETF) –ASON / ASTN (Automatic Switched Optical/Transport Network, ITU) –UNI for user controlled signaling and E-NNI (Optical Internetworking Forum, OIF) –Interoperability at UNI/NNI (OIF) –I-NNI-GMPLS-Interface

Page 10Heanet, November 2005 P.Kaufmann/DFN Network Signalling (3) First Signalling-Results –GMPLS with Soft-Perm-Conn at Alcatel-CC1678 in operation –OIF-E-NNI at Alcatel-CC1678 and Sycamore-CC SN16000 available –OIF-UNI 1.0,R2, network side at Alcatel-CC1678 available –OIF-UNI 1.0,R2, network side at Sycamore-CC-SN16000 available –OIF-UNI 1.0,R2, client side: Late 2005 –OIF-UNI 2.0, planned for 1Q 2006 at Alcatel and Siemens CC –Interworking tests of OIF-E-NNI between Alcatel-CC1678 and Sycamore-CC-SN16000: some problems (interpretation of Unicast/Multicast OSPF-Packets when using IP-tunnels)

Page 11Heanet, November 2005 P.Kaufmann/DFN Network Signalling (4) Provision of Ethernet-Service over SDH with bandwidth adjustment (New SDH: GFP, LCAS, VC). –GFP: Generic Framing Procedure (ITU-T G.7042), method to transport data packets (e.g. Ethernet) over SDH –LCAS: Link Capacity Adjustment Scheme (ITU-T G.7041), dynamical bandwidth adjustment for SDH-links (variable VC4-container) –Virtual Concatenation (VC) instead of Continuous Concatenation (CC): VC4-Container may use different ways in the transport network First New-SDH-Results –Basic tests/interworking between Alcatel-CC-1678, Siemens-CC- hiT7070 and ADVA-GE-MUX-1500 successful –LCAS tests in 4Q 2005

Page 12Heanet, November 2005 P.Kaufmann/DFN Network Signalling (5) Operation of L2-Subnetworks –VPLS, H-VPLS (Hierarchical Virtual Private LAN Service) –Based on Riverstone15008 and Alcatel-7750, connected via SDH- Equipment (Alcatel-CC 1678) or directly with 10GE-LAN-Phy –Test: Performance, Functionality First L2-Results –VLL and VPLS: OK –H-VPLS: Problems, Alcatel/Riverstone not fully compatible –Interworking Ether Flow Control between L2/SDH-Switches: OK –QoS-Fkt. for b/w limitations (Shaping,Policing;Ingress,Egress): OK

Page 13Heanet, November 2005 P.Kaufmann/DFN Network Signalling (6)

Page 14Heanet, November 2005 P.Kaufmann/DFN Network Signalling (7) Development of interfaces for user controlled signalling

Page 15Heanet, November 2005 P.Kaufmann/DFN Project Goal Middleware Implementation of an operational environment for PC- cluster based on UNICORE –UNICORE supports the operation of a Compute-Grid –Interoperability with Globus-toolkit and compatibility with OGSA (Open Grid Services Architecture) is planned Development / Portation of missing components –Development of a Meta-Scheduler based on Global Grid Forum Standards (Grid Resource Allocation Agreement Protocol) –Portation of MetaMPI and integration in UNICORE –Adaptation/upgrading of local tools to connect and analyse distributed applications –Development of high-performance parallel-I/O-interfaces (main memory, file server)

Page 16Heanet, November 2005 P.Kaufmann/DFN Project Goal Applications (1) Usage/upgrading of (existing) applications with high and dynamical transfer requirements (e.g. e-science / Grid) –Several GE-tunnels per application –Dynamical requirement of bandwidth with guaranteed QoS –User controlled networks (E2E) Integration of real users –Variable requir. (time,size,quality) for „stress-test“ of network equipment Based on experiences with new networks –Creation of new ideas for applications –Motivation of user groups for GRID-technology

Page 17Heanet, November 2005 P.Kaufmann/DFN Access of Applications to the Transport Network

Page 18Heanet, November 2005 P.Kaufmann/DFN Distribution of Costs/Funding

Page 19Heanet, November 2005 P.Kaufmann/DFN International Aspects DFN participates in EGEE (Enabling Grids for e-science in Europe) –international Grid-Infrastructure based on existing networks „VIOLA-Participation“ (DFN, TSI, Uni Erlangen) in FP6- projects: –GN2 - Geant2 –MUPBED - Multi-Partner European Testbeds for Research Networking The testbed VIOLA forms the national base to contribute successfully to international projects Interested for cooperation with similar projects/activities in Europe and elsewhere

Page 20Heanet, November 2005 P.Kaufmann/DFN Status (1) Testbed implementation was finished early 2005: –circuits are connected (including connection to G-WIN/GEANT) –equipment is installed; –network management is operational Work items of „Transport & Signalling“ have been started: –I-NNI: Available for Siemens-CC-hiT7070 –E-NNI: Available for Alcatel-CC-1678 and Sycamore-CC-SN16000 –E-NNI interoperability tests between Alcatel & Sycamore –UNI-N 1.0 R2: Available for Alcatel-CC-1678 –GFP/LCAS-Tests between Alcatel-1678 & Siemens-hiT7070 –E2E: Specification of user interface & design of reservation system

Page 21Heanet, November 2005 P.Kaufmann/DFN Status (2) L2-Test/Operation: –VLL/VPLS interoperability tests with Alcatel & Riverstone: OK –H-VPLS interoperability tests with Alcatel & Riverstone: Some problems Initial version of middleware is deployed, Integration of new middleware components in progress Application projects have finished preparatory work First “runs” over the network have been made Applications are beginning to stress network & middleware.