ACM SIGCOMM HotNets'21 registration is open now, featuring an exciting programme:
https://conferences.sigcomm.org/hotnets/2021/program.html   

Student registration is free, $5 for ACM members and $15 for non-members. Through the generosity of our sponsors we have scope to assist those who need financial aide to participate in HotNets'21. Please convey your case to the general chairs: hotnets21gcs@sigcomm.org  

Registration info:
https://conferences.sigcomm.org/hotnets/2021/register.html  

Aaron