Traffic analysis and optimization of a mangement network

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Presentation transcript:

Traffic analysis and optimization of a mangement network Author: Mikko Koivisto Supervisor: Raimo Kantola 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Agenda Introduction and background Used methods Results and considerations Conclutions Future analysis 26.12.2018 Seminar of Master's Thesis

Introduction and background The idea of the thesis was adopted from Network Planning, Nokia Networks Interconnections of a management network->optimization Planning challenge: traffic should not cause any bottle necks Traffic analysis->traffic behavior 26.12.2018 Seminar of Master's Thesis

The management network 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Routing areas 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Methods Traffic traces captured from the management network Data analyzed: Ratios of different packet types compared Inter-arrival times calculated Traffic loads calculated 26.12.2018 Seminar of Master's Thesis

Measurement scenarios 26.12.2018 Seminar of Master's Thesis

Measurement scenarios 2 26.12.2018 Seminar of Master's Thesis

Results and considerations The ratio of the routing traffic and the management action traffic Size of the routing area Few retransmissions -> buffer status Use of the parallel 64 kbit/s DCC channel -> avoid packet losses Inter-arrival times -> traffic intensity DCC = Data Communication Channel 26.12.2018 Seminar of Master's Thesis

Routing data vs management data 26.12.2018 Seminar of Master's Thesis

Different routing traffic types, distributions 26.12.2018 Seminar of Master's Thesis

Message types and their frame sizes 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Some figures Traffic load rates Measurement period 1: 37,6 kbit/s Measurement period 3: 40,4 kbit/s Peak value in traffic utilization: 88 kbit/s IAT values Phase 1 (period 1): mean value converge to 0,208, standand deviation to 0,224 Phase 3 (period 2): mean value converge to 0,101, standand deviation to 0,136 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Network utilization 26.12.2018 Seminar of Master's Thesis

IAT (inter-arrival time) measurement 1, phase 1 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis IAT measurement 2, phase 3 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis DCC channels 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Conclusions Planning of the routing area sizes: IS-IS level 1 routing traffic the most represented Location of the IS-IS level 2 routers Use of multiple DCC channels in SDH nodes Inter-arrival time output, changes in the traffic intensity 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Future analysis Use of tools to simulate a management network (Opnet, NS) Required models: transport model, OSI procols supported, IS-IS level 1 and 2 routing supported -> More comprehensive study and deeper analysis 26.12.2018 Seminar of Master's Thesis

Seminar of Master's Thesis Thank You! 26.12.2018 Seminar of Master's Thesis