What network does Zilliqa use?

Could you please elaborate on the network architecture employed by Zilliqa? As a leading cryptocurrency practitioner, I'm particularly interested in understanding the underlying technology that powers this platform. I've heard about its scalability claims, and I'm wondering if its network design is what truly enables it to achieve such high transaction throughput. Could you provide a concise yet comprehensive description of the network Zilliqa utilizes, highlighting its key features and how they contribute to its overall performance?