Aggregate:
RFC2557: MIME Encapsulation of Aggregate Documents, such as HTML (MHTML).
RFC3175: Aggregation of RSVP for IPv4 and IPv6 Reservations.
RFC1482: Aggregation Support in the NSFNET Policy-Based Routing Database.
RFC4495: A Resource Reservation Protocol (RSVP) Extension for the Reduction of Bandwidth of a Reservation Flow.