Dynamic Circuit Network (DCN) / perfsonar Shared Infrastructure
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1 Dynamic Circuit Network (DCN) / perfsonar Shared Infrastructure Tom Lehman USC/ISI
2 Network Cyberinfrastructure Application Classes: Bulk Transport 2-Way Interactive Video Real-Time Communications others. Phoebus Federated Trust Applications call on Network Middleware Lambda Station Performance Infrastructure / Tools Terapaths Control Plane Dynamic, Reactive, Visible, Service-rich Network. Information Services Network Cyberinfrastructure
3 DCN Control Plane Architecture and Protocol which Enables Dynamic Provisioning "heterogeneous" network environments. "Heterogeneous" implies environments which may include the following: Multi-domain Multi-layer Multi-control Multi-technology Multi-vendor Control plane protocol InterDomain Controller (IDC) Protocol (IDCP)
4 Dynamic Network Services IntraDomain Circuit Request Source Address Destination Address Bandwidth VLAN TAG (untagged any tagged tunnel) User Identification (certificate) Schedule Dynamically Provisioned Dedicated Resource Path ( Circuit ) Internet2 IDC DRAGON Enabled Control Plane USER API XML Client A Ethernet Mapped SONET or SONET Circuits Client B api can run on the client, or in a separate machine, or from a web browser Internet2 DCN Service Actual Network Path
5 Dynamic Network Services InterDomain No difference from a client (user) perspective for InterDomain vs IntraDomain USER API XML 1 2 A A 2 RON Dynamic Infrastructure Ethernet VLAN A. Abstracted topology exchange 1. Client Service Request 2. Resource Scheduling 5. Service Instantiation (as a result of Signaling) Internet2 DCN Ethernet Mapped SONET RON Dynamic Infrastructure Ethernet VLAN Multi-Domain Dynamically Provisioned Circuit
6 IDC Protocol - Web Service Based Definitions Four Primary Web Services Areas: Topology Exchange, Resource Scheduling, Signaling, User Request
7 I2 DCN Software Suite OSCARS OSCARS DOE Office of Science Web service layer, InterDomain messaging, AAA, Scheduling DRAGON DRAGON Control of domain network elements (Core Directors and/or Ethernet Switches) Intra and Inter Domain Path Computation RSVP based signaling Version of DCNSS released April
8 InterDomain Controller (IDC) Protocol (IDCP) Developed via collaboration with multiple organizations Internet2, ESnet, GEANT2 (DICE) Nortel, University of Amsterdam, others The following organizations have implemented/deployed systems which are compatible with this IDCP Internet2 Dynamic Circuit Network (DCN) ESNet Science Data Network (SDN) GÉANT2 AutoBahn System Nortel (via a wrapper on top of their commercial DRAC System) Surfnet (via use of above Nortel solution) LHCNet (use of I2 DCN Software Suite) Nysernet (use of I2 DCN Software Suite) University of Amsterdam (use of I2 DCN Software Suite) DRAGON Network The following "higher level service applications" have adapted their existing systems to communicate via the user request side of the IDCP: LambdaStation (FermiLab) TeraPaths (Brookhaven) Phoebus
9 InterDomain Controller Protocol Standardization Activities Standardization process and increasing community involvement continues Optical Grid Forum (OGF) Network Markup Language (NML) Working Group Standardizing topology schemas (perfsonar and control plane) Network Services Interface (NIS-WG) Grid High Performance Networking (GHPN) Research Group Network Measurement (NM-WG) Network Measurement Control (NMC-WG) Information Services (IS-WG) GLIF Control Plane Subgroup working on normalizing between various interdomain protocols (IDCP, G-Lambda GNS-WSI, Phosphorus API) Also other GLIF subgroups in this and related space (global id format, PerfSonar)
10 Internet2 DCN Working Group DCN WG has been formed under NTAC Chair: Linda Winkler (Argonne National Laboratory) DCN WG will drive directions and set agenda in this area Mailing list and Wiki available DCN WG Meeting on Monday, July 21, 12:30 PM 1:50 PM
11 perfsonar perfsonar allows autonomous measurement systems to be aggregated in analysis user performance GUI measurement archive measurement archive Analysis tool measurement archive m1 m3 m4 measurement archive m1 m3 m4 measurement archive m1 m3 m4 FNAL (AS3152) [US] m1 m4 GEANT (AS20965) [Europe] m1 m3 m4 DESY (AS1754) [Germany] m3 ESnet (AS293) [US] DFN (AS680) [Germany] 11
![m3 m4 measurement archive m1 m3 m4 measurement archive m1 m3 m4 FNAL (AS3152) [US] m1 m4 GEANT](/docs-images/49/16996957/images/page_11.jpg "(AS20965) [Europe] m1 m3 m4 DESY (AS1754) [Germany] m3 ESnet (AS293) [US] DFN (AS680)")
12 Elements of PS and IDC Common Elements Topology Topology Exchange Domain Abstraction Lookup Services Different Elements, but with Strong Parallels Resource Scheduling and Path Computation Multi-Domain path computation techniques Resource identification, reservation, confirmation Signaling Path setup, service instantiation Ideally AAI models and infrastructure would be compatible and/or common
13 DCN/perfSonar Shared Infrastructure Lookup Service Topology Service Topology Exchange Domain Abstraction AAI Authentication Authorization Infrastructure
14 Information Services Topology Service and LookUp Service Control Plane uses Information Services Topology Service and LookUp Service LookUp Service Provides a mapping from circuit end points to user friendly names Topology Service Provides an infrastructure from which to retrieve topologies from other domains Will be utilized for global path computation
15 InterDomain Controller Web Service Based Utilizes OGF Network Measurement Working Group (NMWG) for Topology Definition Schemas (control plane namespace added) nmtopo-ctrlp.xsd Web Services definition also for the Resource Scheduling, Signaling, and User Request
16 DCN Control Plane uses NMWG OGF Topology Schema
17 DCN Control Plane uses NMWG OGF Topology Schema
18 DCN Information Service - Lookup Service
19 Lookup Service Also XML based configuration/protocol Native storage/query mechanisms [XPath/XQuery] Message format to exchange the data Targeted at single domain deployment Single instance to manage multiple services Client components and applications use the LS to find services perfsonar-ui perfadmin DCN Control Plane
20 Distributed Lookup Service Federation of individual IS instances into a global system Meta -lookup phase allows a query to find the specific IS that has relevant information Or perhaps the relevant ISes that have said info The specific query is sent directly to the IS in question Recent active design and development
21 Topology Service Provides a queryable repository for obtaining topology information about a domain Can obtain the entire network XQuery interface allows the construction of complex queries about the network Topology is specified according to the schema in development in the OGF Current work to merge this with NDL in the NML OGF WG
22 Information Services Topology Service
23 Topology Service and Path Computation Topology Distribution is a critical service for future advanced dynamic network operations Initially we want to be able to automate the determination of available paths based on basic network parameters such as technologies, bandwidth, vlans available, etc Eventually we would like to make path decisions based multiple constraints including administrative and policy criteria. Have an infrastructure which makes topology information available will be key to that capability
24 DCN Control Plane AAA and Security OSCARS AAA SSL Encryption Authentication X.509 Certificates User to Domain Domain to Domain Web Service Security by OASIS SAML assertions about end-user (future) Authorization OSCARS attribute based system
25 IDC Protocol - Web Service Based Definitions Four Primary Web Services Areas: Topology Exchange, Resource Scheduling, Signaling, User Request
26 DCN and perfsonar AAI This is an area where we hope to converge over time perfsonar currently SAML assertions for various attribute based user authentication and authorization use cases DCN use case is more of a network to network "service level agreement" type of model. authorization, authentication is based on trust relationships with directly connected users and peering networks. this is a very useful model which is anticipated to remain However it is desired to also be able to make use of the AAI infrastructure that perfsonar will put in place for AAA associated with DCN service provision There is also work to evolve the current perfsonar AAI to incorporate additional capabilities associated with Federated Models and Virtual Organizations
27 Thank You
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