End to End Streaming Platform

Looking for the below service. Only bid if you have done anything similar to this and can deliver in 3 to 4 months for a fix cost. My budget is $50K USD. Give me a detailed proposal and approach. NO PLACEHOLDER BIDS PLEASE.

1. Tiered Cloud storage for Audio/Video Digital Content
a. High-Tier for live streaming
b. Low-Tier for archiving
c. Backups
2. Cloud Computing Network and Defence Services
a. Cloud Firewall
b. DDos Protection and Mitigation
c. DNS management
3. General Cloud Computing services
a. High-Availability cloud hosting
b. Cloud Engineering and Management Services
4. Streaming Services
a. Live Streaming
b. Full 1080p HD Broadcasting (Adaptive)
c. Unlimited Concurrent Viewers (TBD)
d. Live transcoding channels
e. Browser based / mobile streaming
f. Simulcast
g. Video Hosting (VOD)
h. Bulk upload from other Cloud services (eg. Google Drive, Mega, Azure, etc.)
i. Domain/Country Restriction
j. Advanced Analytics
k. 24/7 Support
l. Live stream monitoring
m. Multi-CDN
n. Video Availability Scheduling
o. Live Countdown
p. Paywall
q. Pre, Mid & Post Roll Advertising
r. Support for Large Scale Events
s. Ad Free Streaming (optional)
t. Custom Branding
5. Application Development Services
a. Software supporting the Streaming Platform
b. Web Application customization
c. Mobile Application development and customization
6. Advertising and Sales Portal
a. Provide a complete portal where sponsors can purchase advertising