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Use Cases for I2RS I2RS Interim Meeting Nicolai Leymann, Deutsche Telekom AG 19.04.2013.

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Presentation on theme: "Use Cases for I2RS I2RS Interim Meeting Nicolai Leymann, Deutsche Telekom AG 19.04.2013."— Presentation transcript:

1 Use Cases for I2RS I2RS Interim Meeting Nicolai Leymann, Deutsche Telekom AG

2 2 Content 1.SDN Concepts and Architecture 2.Use Cases

3 I2RS Use Cases. Vision for I2RS as one Building Block in the E2E picture. Access Core Network BNG Data Center End-2-End Orchestration Services Access I2RS Transit Trigger Probes e) Customer profile is configured/provisioned End-2-End orchestration provides network connectivity, allocates ressources (e.g. data center) and establishes services based on end user requirements.

4 I2RS Use Cases. Warding against DDoS Attacks (1 of 2).  DDoS protection architecture ensures:  Identify DDoS attacks from the Internet (traffic, attack pattern, …)  Warding of attacks against infrastructure or business services  The architecture should be  selective  independent of DDoS source  Mechanisms activated  „on Demand“ (e.g. customers requests) or  based on results from network probes DDoS Protection for Business Customers DC Transit BBRAR Peering LER IP Backbone BNG Business Customer DDoS Business Customer

5 I2RS Use Cases. Warding against DDoS Attacks (2 of 2).  If malicious traffic is detected, traffic is redirected towards a data center.  Data Center cleans up traffic before sending it towards end customers.  Simple interaction with existing routing (might also be applied to specific traffic) Threat Management System TMS /32 most specific route Target address of attack contains malicious traffic Redirection of traffic into filter (DC based)

6 I2RS Use Cases. Generalization: Flow Aware Traffic Steering.  Several problems are solved with different approaches. Goal is to use one common approach (and API) to solve those problems in a similar manner.  Previously shown use case basically boils down to injecting/removing routes in near real time  Same mechanisms can be easily applied to other higher layer use cases  Firewalling in DC, parental control for residential customers, ….  Benefit of using a common Interface:  Reduces complexity (not different solutions for different problems).  Higher flexibility (easy to add additional functionality without updating network node).  Decoupling of life cycles (network / data center / service implementation)


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