Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Protection Approach for Video Information transmitted in TCP/IP based
  networks   In this paper an analysis of the existing video information protection
methods is made. Analysis of current H.323 protocol stack has been made. A new
encryption/decryption layer has been suggested. An approach for partial data
encryption in the H.323 protocol stack is proposed and sample architecture of a
Virtual Private Video Network is given.

7
The categories of this paper are: hep-th
3
The categories of this paper are: physics
16
The categories of this paper are: stat
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
37
The categories of this paper are: supr-con
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
17
The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
18
The categories of this paper are: econ
5
The categories of this paper are: gr-qc
24
The categories of this paper are: dg-ga
23
The categories of this paper are: solv-int
19
The categories of this paper are: eess
30
The categories of this paper are: q-alg