Smart Grid Network QOS Requirements | Data Characteristic | Utility Application | Broadband Access | In-Home Content Exchange | | Competing Technologies | AMR, AMI, Powerline Carrier, Wireless, Radio, Zigbee (805.154) | DSL, FTTx, WiMax, Fixed Wireless, Cable | Ethernet, WiFi | | Correspondents exchanging data? | Machine to machine | Machine to Person | Machine to Person | | Correspondent Payload Exchange Need? | Symmetrical | Asymmetrical. Larger pipe delivering information | Symmetrical | | Does the application require dedicated bandwidth? | No | No | Yes | | How fast does the network need to be | <=1Mbps | >1Mbps | >100Mbps | | Importance of Network Redundancy? | Critical | Important | Not Important | | Importance of Network Security | Critical. Device Authentication and encrypted data between devices | Important. User authentication and selective data encryption | Not Important | | Jitter Tolerance? | High | Low | Low | | Latency Tolerance? | High | Low | Moderate | | Network Utilization | Sporadic. Idle upto 90% of the time. Can be turned off | Utilization continuous | Sporadic. Always on | | Open/Closed Network[1] | Closed | Open | Closed | | Packet Loss Tolerance? | Low | Moderate | Low | | Quantity of Data Exchanged | Small | Large | Largest | | Realtime Data Exchange Required? | No | Subject to the application – VoIP and Video on Demand very Sensitive, E-mail is insensitive | Yes | [1] An open network needs to exchange data with other networks to connect the client (user) to the server (content) |
Ċ ď Subodh Nayar, Jan 21, 2010 3:38 PM
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