Page 228 - Cloud computing: From paradigm to operation

1 Framework and requirements for cloud computing

Table II.7 – Physical machine for network edge – use case
Title Physical machine for network edge

Description This use case covers the situation where physical machines will be in network edge locations
such as at 5G cell towers, telephone exchanges and cable TV head-end multiplexers. This is
one use of the term "micro data centre". The primary reason for this is to minimise network
latency between end users and the cloud services running at the network edge, or to
concentrate network traffic at the edge to manage load on core network servers (e.g., for
massive IoT telemetry applications).
Roles/sub-roles CSP: cloud service operations manager.

Figure In this type of deployment, physical machines are
constructed for deployment at the edge of the
network, usually co-located with access network
transmission and/or multiplexing equipment.
Examples of such locations include:
• Local telephone exchanges
• Street multiplexers (e.g., FTTC)
• Cellular towers
• Cable TV head-ends
• Airliner WiFi/Cellular network equipment.

Pre-conditions CSP: The CSP wishes to deploy physical machines to support cloud services running at the
(optional) edge of their (or a partner's) physical network.
Post-conditions The physical machine(s) run co-located with other network equipment at the edge of the
(optional) network. The CSP can deploy cloud services or service components to these network edge
micro data centres.
CSUs can access the cloud service within minimal network latency.
The CSP can process large amounts of data from CSUs, without imposing heavy loads on the
backhaul network or the core network cloud services.
Derived – Supporting power redundancy (see clause 7.1.2)
requirements – Adding power supply (see clause 7.4)
– Adding cooling component (see clause 7.4)
– Authorized access (see clause 7.5)
– Hot-plug support (see clause 7.6)
– Visual indications (see clause 7.1.4)
– Monitoring environment condition (see clause 7.1.6)

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