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| Algoritmo Token Bucket per il Rate Limiting× | Servizi Differenziati (DiffServ)× | |
|---|---|---|
| Campo | Telecomunicazioni | Telecomunicazioni |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1986 | 1998 |
| Ideatore≠ | Jon Turner | IETF DiffServ Working Group |
| Tipo≠ | rate limiting algorithm | QoS architecture |
| Fonte seminale≠ | Turner, J. S. (1986). New directions in communications (or which way to the information age?). IEEE Communications Magazine, 24(10), 8-15. link ↗ | Blake, S., Black, D., Carlson, M., et al. (1998). An Architecture for Differentiated Services. RFC 2475. link ↗ |
| Alias | traffic shaping, rate limiting | quality of service, QoS architecture |
| Correlati≠ | 2 | 3 |
| Sintesi≠ | Token bucket is a simple and elegant algorithm for traffic shaping and rate limiting. A virtual bucket accumulates tokens at a fixed rate (the committed information rate). Incoming packets consume tokens (one token per byte); packets are transmitted only if sufficient tokens are available. If the bucket is full, excess tokens are discarded (no carry-over). Token bucket bounds peak rate and allows controlled bursts, making it ideal for traffic management in networks. | DiffServ is a QoS architecture providing scalable, class-based service differentiation in networks. Introduced by IETF (1998), DiffServ marks packets with a Differentiated Services Code Point (DSCP) in the IP header, enabling routers to apply per-hop-behaviors (PHBs) based on markings. Unlike IntServ (which reserves resources per-flow), DiffServ is stateless and scalable to Internet scale. DiffServ remains the primary QoS mechanism in ISP and enterprise networks. |
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