搞儲存技術的，在做 BC/DR 的規劃時一定會需要的就是這些數據了，在不同的網路連接速率下，算出可支援的最大資料傳輸量；每次需用到這些數據老是要東找西找的，這次乾脆就把它整理出來，有需要的讀者請自行服用！
TECHNOLOGY
| DATA REATES | Max. DATA THROUGHPUT
/per MINUTE | PHYSICAL MEDIUM |
Regular Telephone Service
| Up to 56Kbps | 0.4005MB | Copper wire |
Dedicated 56kbps on Frame Relay
| 56Kbps | 0.4005MB | Various |
DS0
| 64Kbps | 0.4578MB | All
|
Integrated Service Digital Network (ISDN)
| BRI: 64Kbps to 128Kbps
PRT: 23(T-1) or 30(E1) assignable
64Kbps channels plus control channel
Up to 1.544Mbps (T-1) or 2.048Mbps (E1) | 1.544Mbps:11.04MB
2.048Mbps:14.65MB | BIR: Twisted-pair
PRI: T-1 or E-1 line |
Integrated Digital Subscriber Line (ISDL)
| 128Kbps | 0.9155MB | Twisted-pair |
Frame Relay
| 56Kbps to 1.544Mbps | 1.544Mbps:11.04MB | Twisted-pair or coaxial cable |
DS1/T-1
(Digital Signal)
(T-carrier System)
| 3.152Mbps | 25.12MB | Twisted-pair, coaxial cable, or optical fiber |
DS2/T-2
| 6.312Mbps | 45.15MB | Twisted-pair, coaxial cable, or optical fiber |
Digital Subscriber Line (DSL)
| 512Kbps to 8Mbps | 8Mbps:57.22MB | Twisted-pair (used as a digital, broadband medium) |
Cable Modem
| 512Kbps to 52Mbps | 512Kbps:3.662MB
52Mbps:371.9MB | Coaxial cable (usually uses Ethernet); in some systems, telephone used for upstream requests |
Ethernet
| 10Mbps | 71.53MB | 10Base-T (twisted-pair)
10Base-2 or -5 (coaxial cable)
10Base-F (optical fiber) |
DS3/T-3
| 44.736Mbps | 320MB | Coaxial cable |
OC-1 (Optical Carrier)
| 51.84Mbps | 370.8MB | Optical cable |
High-speed Serial Interface (HSSI)
| Up to 53Mbps | 379.1MB | HSSI cable |
Fiber Distributed-Data Interface (FDDI)
| 100Mbps | 715.3MB | Optical cable |
T-3D (DS3D)
| 135Mbps | 965.6MB | Optical cable |
OC-3/SDH
| 155.52Mbps | 1.086GB | Optical cable |
OC-12/STM-4 (Synchronous Transport Modules)
| 622.08Mbps | 4.345GB | Optical cable |
OC-24
| 1.244Gbps | 8.689GB | Optical cable |
OC-48/STM-16
| 2.488Gbps | 17.38GB | Optical cable |
OC-192/STM-64
| 10Gbps | 69.85GB | Optical cable |
OC-256
| 13.271Gbps | 92.69GB | Optical cable |
註一：以上數據為「理論上」的最大值，實際的資料傳輸量建議以 70% 為安全估算值。
註二：以目前的儲存技術而言，只要有足夠的頻寬，要達到極高要求的 RTO/RPO 並非不可能，但重點還是在資料異動量/傳輸線路頻寬兩者的關係。
