Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Overload Control in SIP Networks: A Heuristic Approach Based on
  Mathematical Optimization   The Session Initiation Protocol (SIP) is an application-layer control
protocol for creating, modifying and terminating multimedia sessions. An open
issue is the control of overload that occurs when a SIP server lacks sufficient
CPU and memory resources to process all messages. We prove that the problem of
overload control in SIP network with a set of n servers and limited resources
is in the form of NP-hard. This paper proposes a Load-Balanced Call Admission
Controller (LB-CAC), based on a heuristic mathematical model to determine an
optimal resource allocation in such a way that maximizes call admission rates
regarding the limited resources of the SIP servers. LB-CAC determines the
optimal "call admission rates" and "signaling paths" for admitted calls along
optimal allocation of CPU and memory resources of the SIP servers through a new
linear programming model. This happens by acquiring some critical information
of SIP servers. An assessment of the numerical and experimental results
demonstrates the efficiency of the proposed method.

31
The categories of this paper are: ao-sci
0
The categories of this paper are: hep-ph
24
The categories of this paper are: dg-ga
26
The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph
36
The categories of this paper are: cmp-lg
32
The categories of this paper are: atom-ph
29
The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
22
The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
37
The categories of this paper are: supr-con
9
The categories of this paper are: nlin
20
The categories of this paper are: acc-phys