Content-Based                                                          MIDDLEWARE SYSTEMS
                                                                                RESEARCH GROUP
                                                                                    MSRG.ORG
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       name = `IBM’                                                  name = `IBM’ 
       name = ‘IBM’
       price = $40                                                   (topic-based)
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    Advertisement path                                               name = `IBM’    
    Subscription path                                                price > $30
    Publication path                                                 (content-based)
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                                                                             MIDDLEWARE SYSTEMS
      Software-Defined                                                          RESEARCH GROUP
                                                                                    MSRG.ORG
      Networking
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                                                                             MIDDLEWARE SYSTEMS
      Overview                                                                  RESEARCH GROUP
                                                                                    MSRG.ORG
                            Virtualized Publish/Subscribe
                                Network-as-a-Service
                            SDN-Like Publish/Subscribe
                      Content-based                      SDN
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               Cross-layer                            Data/Control Decoupling
             Content-based                               in Publish/Subscribe
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                                                                             MIDDLEWARE SYSTEMS
      Publish/Subscribe-as-a- RESEARCH GROUP
                                                                                    MSRG.ORG
      Service
                    Customer base                    Elastisticity, QoS, Migration...
      Customer 1  Customer 2  Customer 3 
                                      B1       S3
                 Virtual P/S network
                    B0
                                  S        P
       P     P                                                    Telecommunication
                      S2                                               Companies
                   S           S
                                                                                       5
                                                                             MIDDLEWARE SYSTEMS
      SDN-Driven                                                                RESEARCH GROUP
                                                                                    MSRG.ORG
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                        APdveublrtisih:se:                      Subscribe:
                      nanammee = = ‘ ‘IBIBMM’’               name = ‘IBM’              6