
Server Cache Synchronization Protocol (SCSP)

RFC 2334 describes the Server Cache Synchronization Protocol (SCSP)
and is written in terms of SCSP's use within Non Broadcast Multiple
Access (NBMA) networks; although, a somewhat straight forward usage is
applicable to BMA networks.  SCSP attempts to solve the generalized
cache synchronization/cache-replication problem for distributed
protocol entities.  However, in this document, SCSP is couched in
terms of the client/server paradigm in which distributed server
entities, which are bound to a Server Group (SG) through some means,
wish to synchronize the contents (or a portion thereof) of their
caches which contain information about the state of clients being
served.

Protocol ID

This field contains an identifier which identifies the client/server
protocol which is making use of SCSP for the given message.  The
assignment of Protocol IDs for this field is given over to IANA as
described in Section C of RFC 2334.  Protocols with current documents
have the following defined values:

       1 - ATMARP
       2 - NHRP
       3 - MARS
       4 - DHCP
       5 - LNNI


References
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(last updated May 10 2001)

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