July 2010
Intermediate to advanced
350 pages
14h 19m
English
Content preview from Smart Phone and Next Generation Mobile Computing
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Mobile Application Challenges 449
Table 7.3 SIP/SIMPLE Versus XMPP.
Category SIP/SIMPLE XMPP
Data communication
method
Peer-to-peer and proxy assisted Client–server based
Presence service Presence agent XMPP server
Message queuing Proxy server Not available
Protocol Repurposed SIP signaling
protocol
XML-based data
communication protocol
Message overhead Large because of SIP header Small
Implementations Implemented in several
commercial systems, which
are not fully compatible
Jabber and a range of open
source clients
Mobile communication
support
SIP/SIMPLE has been adopted
by 3GPP
XMPP can operate on top of
underlying wireless
technologies
achieve interoperability