ESnet On-demand Secure Circuits and Advance Reservation System (OSCARS)
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1 ESnet On-demand Secure Circuits and Advance Reservation System (OSCARS) Chin Guok Presented by Joe Metzger Energy Sciences Network Lawrence Berkeley National Laboratory Internet2 Spring Member Meeting Dynamic Circuits Around the World April Networking for the Future of Science
2 OSCARS Overview Path Computation Topology Reachability Constraints OSCARS Guaranteed Bandwidth Virtual Circuit Services Provisioning Signaling Security Resiliency/Redundancy Scheduling AAA Availability
3 Using OSCARS Web-Based User Interface (WBUI) SSL connection to server Username and password login SOAP Messages SSL connection to server WSDL service description Signed SOAP messages <?xml version="1.0" encoding="utf-8"?> <wsdl:definitions name="oscars" targetnamespace=" xmlns:xsd=" xmlns:wsdl=" xmlns:soap=" xmlns:tns=" <wsdl:documentation> This is WSDL for the OSCARS public reservation interface. These messages must be signed using the following WS-secuirty standards. The message is time stamped and includes the X.509 certificate of the signing entity. The timestamp, certificate and message body are all signed. DRAFT V1.0 Nov 2006 </wsdl:documentation> <!-- Element definitons --> <wsdl:types> <xsd:schema targetnamespace=" elementformdefault="qualified" xmlns:xsd=" xmlns:tns=" <xsd:include schemalocation="oscars.xsd" /> </xsd:schema> </wsdl:types>
4 The Mechanisms Underlying OSCARS Layer 3 VC Service: Packets matching reservation profile IP flow-spec are filtered out (i.e. policy based routing), policed to reserved bandwidth, and injected into an LSP. Layer 2 VC Service: Packets matching reservation profile VLAN ID are filtered out (i.e. L2VPN), policed to reserved bandwidth, and injected into an LSP. SDN SDN SDN Label Switched Path LSP between ESnet border routers is determined using topology information from OSPF-TE. Path of LSP is explicitly directed to take SDN network where possible. On the SDN Ethernet switches all traffic is MPLS switched (layer 2.5). RSVP, MPLS enabled on internal interfaces Sink Source IP Link IP IP IP high-priority queue standard, best-effort queue MPLS labels are attached onto packets from Source and placed in separate queue to ensure guaranteed bandwidth. Interface queues Regular production traffic queue.
5 ESnet4 IP + SDN, 2011 Configuration (Est.) Seattle Portland (>1 λ) Sunnyvale LA UCSD San Diego Boise Salt Lake City Denver Albuq. Tulsa KC Nashville (24) 2λ (3) 3λ 3λ Atlanta Clev. OC48 Boston NYC Philadelphia (26) Wash. DC Raleigh ESnet IP router hubs El Paso ESnet IP internal switch hubs ESnet SDN OSCARS/MPLS switch hubs ESnet SDN internal switch hubs Houston Layer 1 optical nodes at eventual ESnet Points of Presence Layer 1 optical nodes not currently in ESnet plans Lab site Baton Rouge (20) Jacksonville ESnet IP network (Internet2 circuits) ESnet Science Data Network (Internet2) ESnet SDN (NLR circuits) Lab supplied link LHC related link MAN link International IP Connections Status indefinite / not installed Internet2 circuit number
6 OSCARS Status Update ESnet Centric Deployment Prototype layer 3 (IP) guaranteed bandwidth virtual circuit service deployed in ESnet (1Q05) Prototype layer 2 (Ethernet VLAN) virtual circuit service deployed in ESnet (3Q07) Inter-Domain Collaborative Efforts Terapaths Inter-domain interoperability for layer 3 virtual circuits demonstrated (3Q06) Inter-domain interoperability for layer 2 virtual circuits demonstrated at SC07 (4Q07) LambdaStation Inter-domain interoperability for layer 2 virtual circuits demonstrated at SC07 (4Q07) I2 DCN/DRAGON Inter-domain exchange of control messages demonstrated (1Q07) Integration of OSCARS and DRAGON has been successful (1Q07) GEANT2 AutoBAHN Inter-domain reservation demonstrated at SC07 (4Q07) DICE First draft of topology exchange schema has been formalized (in collaboration with NMWG) (2Q07), interoperability test demonstrated 3Q07 Initial implementation of reservation and signaling messages demonstrated at SC07 (4Q07) Nortel Topology exchange demonstrated successfully 3Q07 Inter-domain interoperability for layer 2 virtual circuits demonstrated at SC07 (4Q07) UVA Demonstrated token based authorization concept with OSCARS at SC07 (4Q07) OGF NML-WG Actively working to develop draft schema to combine work from NMWG and NDL GLIF Technology and Control WG In process of developing dynamic services framework
7 OSCARS Production Circuits (as of )
8 OSCARS: Guaranteed Bandwidth Service Funded by the DOE Office of Science Info URL: Services URL: OSCARS/ Contact: Chin Guok David Robertson Evangelios Chaniotakis
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