An integrated circuit arrangement comprising: a data communication network comprising a plurality of connections between at least one network interface and a further network interface, whereby the terminals of each connection are marked by buffers in the at least one network interface and in the further network interface, the integrated circuit arrangement further comprising said at least one network interface and said further network interface, the integrated circuit arrangement further comprising: a plurality of master modules coupled to the data communication network via the at least one network interface; at least one slave service module being coupled to the data communication network via the further network interface, the at least one network interface comprising a first plurality of buffers, the further network interface comprising a second plurality of buffers, wherein each of said plurality of master modules is arranged to provide said at least one network interface with a service request for the at least one slave service module, said network interface being arranged to extend said service request with the first identifier for establishing a connection between said at least one network interface and the further network interface coupled to the at least one slave service module, said first identifier being for selecting a buffer of the at least one network interface; and the integrated circuit arrangement being characterized in that the further network interface comprises a circuit portion comprising a third plurality of buffers, the circuit portion being arranged between the at least one network interface and the at least one slave service module the circuit portion being arranged for storing service requests from the plurality of master modules, said circuit portion comprising decoding logic for assigning a service request arriving from the data communication network to one of said third plurality of buffers by decoding a further identifier embedded in the service request as generated from one of the master modules. a data communication network comprising a plurality of connections between at least one network interface and a further network interface, whereby the terminals of each connection are marked by buffers in the at least one network interface and in the further network interface, the integrated circuit arrangement further comprising said at least one network interface and said further network interface, the integrated circuit arrangement further comprising: a plurality of master modules coupled to the data communication network via the at least one network interface; at least one slave service module being coupled to the data communication network via the further network interface, the at least one network interface comprising a first plurality of buffers, the further network interface comprising a second plurality of buffers, wherein each of said plurality of master modules is arranged to provide said at least one network interface with a service request for the at least one slave service module, said network interface being arranged to extend said service request with the first identifier for establishing a connection between said at least one network interface and the further network interface coupled to the at least one slave service module, said first identifier being for selecting a buffer of the at least one network interface; and the integrated circuit arrangement being characterized in that the further network interface comprises a circuit portion comprising a third plurality of buffers, the circuit portion being arranged between the at least one network interface and the at least one slave service module the circuit portion being arranged for storing service requests from the plurality of master modules, said circuit portion comprising decoding logic for assigning a service request arriving from the data communication network to one of said third plurality of buffers by decoding a further identifier embedded in the service request as generated from one of the master modules. a plurality of master modules coupled to the data communication network via the at least one network interface; at least one slave service module being coupled to the data communication network via the further network interface, the at least one network interface comprising a first plurality of buffers, the further network interface comprising a second plurality of buffers, wherein each of said plurality of master modules is arranged to provide said at least one network interface with a service request for the at least one slave service module, said network interface being arranged to extend said service request with the first identifier for establishing a connection between said at least one network interface and the further network interface coupled to the at least one slave service module, said first identifier being for selecting a buffer of the at least one network interface; and the integrated circuit arrangement being characterized in that the further network interface comprises a circuit portion comprising a third plurality of buffers, the circuit portion being arranged between the at least one network interface and the at least one slave service module the circuit portion being arranged for storing service requests from the plurality of master modules, said circuit portion comprising decoding logic for assigning a service request arriving from the data communication network to one of said third plurality of buffers by decoding a further identifier embedded in the service request as generated from one of the master modules.