4. 什麼是雲端運算?
“Cloud computing is a style of computing
where massively scalable IT-related
capabilities are provided as a service
across the Internet to multiple external
customers”
5. 什麼是雲端運算?
“Cloud computing is Web-based processing,
whereby shared resources, software, and
information are provided to computers and
other devices (such as smart phones) on
demand over the Internet.”
18. VXLAN
• 企業網路實行虛擬化後會有根據上述需求
會有很多overlay的網路
• 因此需要封裝VM的封包,以tunnel的方式
解決面對的問題
• Virtual eXtensible Local Area Network
19. VXLAN header
• With VXLAN, when a virtual machine sends a frame, it is
encapsulated in a User Datagram Protocol (UDP) packet along
with a 24-bit segment identifier that uniquely identifies the
bridge domain and provides a dedicated logical network (Figure
10). VXLAN enables an architectural maximum of over 16 M
logical networks, supporting large cloud deployments.