The QPSX MAN

The authors discuss QPSX (queued packet and synchronous switch), a distributed switch/network that will fulfil the requirements of a public metropolitan area network (MAN) and has wide telephone industry support. The dual-bus architecture of QPSX and its extension, the looped-bus architecture, are d...

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Bibliographic Details
Published in:IEEE communications magazine 1988-04, Vol.26 (4), p.20-28
Main Authors: Newman, R.M., Budrikis, Z.L., Hulett, J.L.
Format: Magazinearticle
Language:English
Subjects:
Metropolitan area networks
Packet switching
Proposals
Protocols
Standardization
Switches
Telephony
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Summary:The authors discuss QPSX (queued packet and synchronous switch), a distributed switch/network that will fulfil the requirements of a public metropolitan area network (MAN) and has wide telephone industry support. The dual-bus architecture of QPSX and its extension, the looped-bus architecture, are described. The architecture of the public MAN is examined, particularly with respect to QPSX as a proposal for IEE P802.6 standardization. The distributed queueing protocol, segmentation and reassembly scheme, and reliability features of the QPSX network are discussed.< >
ISSN:0163-6804
1558-1896
DOI:10.1109/35.443