Performance management in SONET-based multi-service networks

Network Management in Wired and Wireless Networks

“…It has been studied under the context of dimensioning of circuit-switched networks [20,33]; configuration of logical channels in SONET-based networks [23]; VP distribution in ATM networks [3]; and capacity planning of wireless LANs [43]. The proposed approach is a simple alternative to the integer linear programming based techniques that are also used for similar tasks.…”

“…As mentioned in Chapter 1, network optimization has been the subject of numerous studies including [3], [20], [23], and [33], under a variety of contexts. Notable among these is the approach by Kheradpir et al [23] where routing and bandwidth allocation has been jointly addressed for a SONET network using an integer programming based technique.…”

“…Notable among these is the approach by Kheradpir et al [23] where routing and bandwidth allocation has been jointly addressed for a SONET network using an integer programming based technique. The heuristics based approach, proposed in this chapter, however, has at least two advantages over such integer programming based techniques.…”

Management of Reconfigurable Virtual Path Networks

“…We focus on the former, as this is the one most favoured by low transmission-to-processing costs 14,15 . Some of the motives behind VP networks and DCM 2, 12 15,17,22,33,34,41,42 are: Reduced network costs resulting from simpli ed transit exchanges, simpli ed multiplexing and grade of service control by service separation through VSNs, faster call handling by excluding intermediate node processing at set-up time, improved network management capabilities such as possibilities to redirect tra c in a congested or faulty network, and a means for providing new services by setting up customer-dedicated subnetworks as closed VPNs. 18,23,24,35,36 , but without going into any detail. Summing up on these, it is found that: Most algorithms handle bursty services by explicitly or implicitly presuming a linear relationship between the capacity of a VP and its call carrying capability linear equivalent bandwidth, most algorithms explicitly or implicitly presume the existence of prede ned paths for all VPs, and some algorithms produce real valued solutions which are not immediately useful in SDH SONET-networks.…”