There are several current research topics in computer networks that are suitable for Master's level students. Some of them are:

1. Internet of Things (IoT)

2. Software-Defined Networking (SDN)

3. Wireless Networking including 5G, Mobile ad hoc networks and Vehicular networks

4. Network Performance including congestion control, QoS (Quality of Service), network capacity planning, and traffic engineering.

Network security mainly network infrastructure security and deployment.

Information security

Cloud security

key distributed

key management

authentication

offloading

You can refer to the following article that presents some trending challenges and open issues in IoT (Drone) environment.

Link: Article Drone Routing for Drone-Based Delivery Systems: A Review of ...

Oh, diving into a Masters in Computer Networking? That's awesome! There are some really cool areas you could explore.

Here are a few hot topics:

5G and Beyond: It's all about super-fast internet speeds. Researching how 5G will change the way we connect and its future developments is pretty exciting.

Internet of Things (IoT): Imagine your fridge chatting with your phone! IoT is huge, and studying how to make these connections more secure and efficient is super relevant.

Network Security: With all the cyber threats out there, focusing on how to keep networks safe is like being a digital superhero.

Software-Defined Networking (SDN): This is like giving network administrators superpowers to manage networks with great flexibility and efficiency.

Quantum Networking: It's a bit like sci-fi, but it's real! Exploring how quantum principles can revolutionize data transfer is cutting-edge stuff.

Edge Computing: This is about processing data closer to where it's collected. It’s a big deal for things like self-driving cars.

Artificial Intelligence in Networking: AI can help networks self-repair and optimize. It's a bit like teaching the network to think for itself.

Cloud Networking: With everything moving to the cloud, figuring out how to make this more efficient and secure is a hot topic.

Blockchain in Networking: Beyond cryptocurrencies, blockchain can revolutionize how we secure and manage networks.

Wireless Sensor Networks: These networks are vital for collecting environmental data, and improving their efficiency and data processing can be a great research area.

Pick a topic that excites you the most. It's like choosing your own adventure in the tech world!

I recommend reading this article:

https://sanad.iau.ir/Journal/jcr/Article/945918