Ad-Hoc and SIP

(我承認我看不太懂這篇，就連什麼是Ad-Hoc都搞不清楚
)
ubiquitous communication
decentralized
Mobile Ad-Hoc Networks(MANET)

SIP location service
SIP Cache
/a framework:doesn't support centralized servers;dSIP(decentralized SIP)
\a algorithm:PCache

• embed a subset of SIP server proxy and registar server function in each end node.

SIP PCache
Message Type REGISTER Dissemination
MESSAGE Query
200OK Query reply

Header name Max-Forwards TTL
Form Source
Call-ID Serial Number
CSeq Time from Storage
Via Route Stack
Content-Length #items
Body Items