"necessary communication" is a correct and usable phrase in written English.
You can use it when referring to communication that is essential for a particular task or to achieve a goal. For example, "Frequent and effective communication is necessary for successful teamwork."
They picked Paul after agreeing that he possessed the necessary communication and organizational skills.
The provision regarding interoperability was also limited: the requirement to provide the necessary "communication protocols" applied only to the version of Windows that runs on individual PCs, and not the one running on the servers that dish up data on corporate networks.The European Commission's initial ruling against Microsoft in 2004 can be seen as an attempt to address these shortcomings.
Necessary communication skills are also discussed.
The necessary communication overhead must not diminish the advantages of speed up due to parallelism.
WLAN with two or three consecutive repeaters and corresponding hops would provide the necessary communication range.
ORAM and PIR approaches each have their own trade-offs between transmission overhead, the necessary communication rounds and computational overhead.
The IEEE802.15.4 Extender reported in Fig. 6 leverages on AMBER modularity and flexibility by using an additional socket in which necessaries communication buses have been connected to support the selected transceiver.
A system may use both network types, especially when authentication is necessary for communication.
We again consider the case with no direct link between the users, so the relay node is necessary for communication.
With this information the engineering tools of the control system can generate the configuration necessary for communication with the device.
These are the characteristics of successful social interaction: the verbal and non-verbal cues necessary for communication and relationship.
