TY  - GEN
AU  - Held,Gilbert
TI  - Virtual private networking: a construction, operation and utilization guide 
SN  - 0470854324
U1  - 650.028,HEL 
PY  - 2004///
CY  - Chichester, Hoboken, NJ
PB  - Wiley
KW  - Extranets (Computer networks)
N1  - Introduction to Virtual Private Networking (Page-1), Understanding Authentication and Encryption (Page-23), Understanding the TCP/IP Protocol Suite (Page-53), Layer 2 Operations (Page-79), Higher Layer VPNs (Page-133), VPN Hardware and Software (Page-203), Service Provider –Based VPNs (Page-261).
UR  - http://www.loc.gov/catdir/bios/wiley047/2004273037.html
UR  - http://www.loc.gov/catdir/description/wiley042/2004273037.html
UR  - http://www.loc.gov/catdir/toc/wiley041/2004273037.html
ER  -