Title	Fault Tolerance in SIP Push-To-Talk Service
Author	Manju Kaushik, Kavitha S N
Citation	Vol. 13  No. 12  pp. 87-91
Keywords	Push To Talk (PTT), PoC, SIP Clients, High Availability, Fault Tolerance in network, Redundancy

Title	Intrusion Detection System Based on Conditional Random Fields
Author	Deepa V. Guleria, Chavan M.K
Citation	Vol. 13  No. 12  pp. 80-86
Keywords	Intrusion Detection, Conditional Random Fields, Network Security, Decision tree

Title	A Co-Operative Cluster Based Data Replication Technique for Improving Data Accessibility and Reducing Query Delay in MANET’s
Author	Baskaran P, Parameswaran.T
Citation	Vol. 13  No. 12  pp. 76-79
Keywords	Mobile Ad-Hoc networks, data replication, cooperative, query delay, data availability, clusters

Title	Lightweight DNS for Multipurpose and Multifunctional Devices
Author	Yogesh A. Wagh, Prashant A. Dhangar, Trupti C. Powar, Amit Magar, P.B.Mali
Citation	Vol. 13  No. 12  pp. 71-75
Keywords	DHCP, DNS, IP, RR, TCP