Default RSVP Reservation Style

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The Junos OS uses the "fixed filter" RSVP reservation style by default.

RSVP (Resource Reservation Protocol) is a protocol used to reserve network resources for certain types of traffic, such as real-time voice and video traffic, to ensure that these types of traffic receive the necessary resources and are not impacted by other traffic on the network.

There are two main RSVP reservation styles: explicit and wildcard, each with their own variations.

• Explicit reservation style: This style specifies the exact path and amount of resources needed for a flow, and requires that all routers on the path support RSVP. There are two variations of this style:

  • Fixed explicit: This style reserves a fixed amount of resources along a specific path.
  • Shared explicit: This style allows multiple flows to share a single reservation.

• Wildcard reservation style: This style does not specify the exact path or amount of resources needed for a flow. Instead, it uses filters to match traffic to a set of reservations. There is one variation of this style:

  • Wildcard filter: This style uses filters to match traffic to a set of reservations.

The Junos OS uses the fixed filter RSVP reservation style by default. This means that a fixed amount of resources is reserved along a specific path for a flow. The fixed filter style is more deterministic and provides more granular control over resource allocation, but requires that all routers on the path support RSVP.

It's worth noting that the default RSVP reservation style can be changed using configuration commands in the Junos OS.