Enterprise Ethernet: Low CoS vs High CoS
The Core Difference
Table (Header Row)
Feature | Low CoS (Best Effort) | High CoS (Dedicated) |
|---|---|---|
| Tech Name | 100% EIR (Excess Information Rate) | 100% CIR (Committed Information Rate) |
| Guarantee | None. Bandwidth is "up to" the speed. | Guaranteed 1:1. You get the full speed 24/7. |
| Priority | Low priority traffic. | High priority traffic. |
| Congestion | Slows down during peak network usage. | Does not slow down; unaffected by other users. |