Unifying Carrier and Cloud Networks: Problem Statement and Challenges draft-unify-nfvrg-challenges-02
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1 Unifying Carrier and Cloud Networks: Problem Statement and Challenges draft-unify-nfvrg-challenges-02 Diego Daino (Telecom Italia) A. Csaszar (Ericsson) K. Pentikousis (EICT) M. Kind (Deutsche Telekom AG) R. Szabo (Ericsson) Z. Qiang (Ericsson) H. Woesner (BISDN) UNIFY is co-funded by the European Commission DG CONNECT in FP7
2 Reference Scenario and Motivation Reference Scenario Integration between Network Infrastructure and DC Infrastructure Implementation of NFV (for Compute, Storage and Network resources) Implementation of SDN Implementation of Flexible Service Chaining solutions (supported by SDN and NFV technologies) Multi-vendor, multi-technology and multi-provider environments Motivation Compute and storage virtualization and network virtualization are tightly connected at multiple levels: in a DC there are not only compute resources but also network resources, supposed to be virtualized to be shared virtualized network resources in a SDN domain, if offered to clients, imply virtualization of compute resources if supposed to be shared Argument for: joint software and network recursive programmatic interface 22/07/2015 draft-unify-nfvrg-challenges-02 2
3 New in -02 Introduction of concept of Universal Node (UN) Introduction of Unified Interface (U) and Unified Recurrent Control (URC): RO Control Plane with U and URC zoom into PoP DC Network with U and URC New text for Problem Statement section 22/07/2015 draft-unify-nfvrg-challenges-02 3
4 Universal Node An innovative element that integrates and manages in a unified platform both compute and networking components and can present also an inner local layer of orchestration, capable to interact with an external one UN CN o o SW Legend: Switch (SW) Compute Node (CN) Universal Node (UN) 22/07/2015 draft-unify-nfvrg-challenges-02 4
5 Unified Interface and Unified Recurrent Control Unified Interface (U): a joint recursive programmatic interface to use for both compute and network resources Unified Recurrent Control (URC): an element that performs both compute and network control and that can be used in a hierarchy structure 22/07/2015 draft-unify-nfvrg-challenges-02 5
6 RO Control Plane with U and URC Orchestr. SP0 / \ / V Ic2 \ Ic1 V SDN Ctrl V Ic3 SP2 Comp Ctrl Comp Ctrl SP1 / \ SP V SW3 V V V / \ V PoP PoP 8 o-- DC SW SW DC2 --o Existing separated compute and network programming interfaces cannot easily provide recursions and cannot always satisfy key requirements for multi-vendor, multi-technology and multi-provider interoperability Service Orchestr. V U Unified Recurrent Control (URC) / \ / V U \ U V URC V U URC URC / \ +--- V SW3 V V V / \ V PoP PoP 8 o-- DC SW SW DC2 --o /07/2015 draft-unify-nfvrg-challenges-02 6
7 PoP DC Network with U and URC NBI Comp Ctrl IcA V IcB:to CNs V SDN Ctrl ext port to SW SW SW +->, V,-" _,,`.""-..+ _,,,--"" `. ""-.._ `+-+-+ ""+---+ SW SW SW SW +---+,'+---+,'+---+,'+---+,-",-",-" CN CN CN CN CN CN CN CN Joint compute, storage and network programmatic U Interface and URC allow multi-level recursion and facilitate orchestration of resources NBI URC U V U:to CNs V URC ext port to SW SW SW +->, V,-" _,,`.""-..+ _,,,--"" `. ""-.._ `+-+-+ ""+---+ SW SW SW SW +---+,'+---+,'+---+,'+---+,-",-",-" CN CN CN CN CN CN CN CN /07/2015 draft-unify-nfvrg-challenges-02 7
8 Problem Statement This section has been revisited for better and clearer understanding with reference to the idea of tight connection between compute virtualization and network virtualization 22/07/2015 draft-unify-nfvrg-challenges-02 8
9 Summary Introduction of new concepts like Universal Node (UN), Unified Interface (U) and Unified Recurrent Control (URC) New figures added for: RO Control Plane with U and URC zoom into PoP DC Network with U and URC Editorial changes and improvements made with reference to Problem Statement section References draft-unify-nfvrg-challenges-02 This work is supported by FP7 UNIFY, a research project partially funded by the European Community under the Seventh Framework Program (grant agreement no ). The views expressed here are those of the authors only. The European Commission is not liable for any use that may be made of the information in this document. 22/07/2015 draft-unify-nfvrg-challenges-02 9
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