FEC & File Multicast

ECC Applications and Simulation Multicast Methods Using ECC Yossi Cohen & Yitzhak Aviv

Motivation ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is multicast ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Taxonomy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Multicast FEC SomeCast SRM RMTP Digital Fountain Cyclic UDP Feedback Hybrid MFTP/EC

File Multicast Solution Requirements ,[object Object],[object Object],[object Object],[object Object]

Quality of the solution ,[object Object],[object Object]

Why use FEC in multicast? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Erasure advantage over error ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reed-Solomon Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance Computation: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Model Conversion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Performance Computation p= ε (1- δ ) λ = εδ +(1- ε ) Φ

Burst and Random errors situation ,[object Object],[object Object],[object Object]

Burst and Random errors situation –cont’ ,[object Object],[object Object],[object Object],[object Object],[object Object],Probability of not correct decoding for error only (blue) and erasure (red) decoding.

Digital Fountain approach ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bipartite graph Bipartite graph Standard loss-resilient code = message = redundancy K + K(1+eps) - Length (k/n) Relatively slow - Very fast + Decoding time High - Very low + Complexity Field - XOR + Operation RS LDPC Tornado

ECC methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Wasted packets Epsilon packets

Simulation and results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Article analysis ,[object Object]

Future trends ,[object Object],[object Object],[object Object],[object Object]

MFTP - Description ,[object Object],[object Object],[object Object],[object Object],[object Object]

Simulation and results ,[object Object],[object Object],[object Object],C++ otcl

Simulation and results ,[object Object],[object Object],[object Object],[object Object],tcl8.0 otcl tclcl ns-2 Event Scheduler Network Component

Criticism ,[object Object],[object Object],[object Object]

References ,[object Object],[object Object],[object Object],[object Object],[object Object]

FEC & File Multicast

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