Technology pits: noise reduction, audio decoder, Bluetooth adaptation, echo cancellation, signaling control, login, authentication, rights management, status management, app messaging, message push, gift system, live chat, payment system, statistics system, database, cache, distributed file storage, Message Queuing, operation and maintenance systems, etc. large I'll wait for you to fill in a small hole!!!
Capital Pit: Take the bandwidth as an example, 20,000 people at the same time online, mobile phone code rate at 600KB, the monthly bandwidth cost at least about 300,000. According to the time of Reunion (YY) 15 Four quarterly financial report, their bandwidth cost is 161.1 million yuan, equivalent to 50 million + per month. Labor costs + channel spending and other expenses are not discussed.
Social Pit: All the time to fight against all kinds of dark forces, including pornography, advertising, brush trumpet, brush recharge, tort, DDos ...